CN100515312C - Capsule type medical device - Google Patents
Capsule type medical device Download PDFInfo
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- CN100515312C CN100515312C CNB2004800317618A CN200480031761A CN100515312C CN 100515312 C CN100515312 C CN 100515312C CN B2004800317618 A CNB2004800317618 A CN B2004800317618A CN 200480031761 A CN200480031761 A CN 200480031761A CN 100515312 C CN100515312 C CN 100515312C
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Abstract
A capsule casing is inserted into the living body, a thin-film substrate is cylindrically-shaped with approximately the same size of the inner surface of the casing and a coil for receiving an AC magnetic field is formed, and thus AC power is generated by the AC magnetic field from the outside of the living body with a small mounting space.
Description
Technical field
The present invention relates to a kind of capsule medical apparatus, it inserts and obtains Biont information in the organism, and the Biont information that obtains is sent to the organism outside, handles.
Background technology
The various capsule medical apparatus of capsule shape have been proposed to form in recent years.And,, also have from external structure to the capsule medical apparatus supply of electrical energy in order to make the capsule medical apparatus miniaturization.
For example, as the 1st in advance the Japan Patent spy of example opening in the 2001-224551 communique, disclose and taken in the technology that is subjected to electric antenna (electric power reception antenna) that is formed on the flexible substrate face in capsule medical apparatus inside.And, utilize this to be subjected to the electric power of electric antenna reception, as the internal electric source of capsule medical apparatus from external transmission.
In addition, as the 2nd in advance in the TOHKEMY 2003-210395 communique of example, the record that circuit block is installed is arranged on the thin film curved substrate.
In addition, in the example of going ahead of the rest for No. 2002/165592 as the 3rd routine in advance open communique of the U.S., a kind of organism imaging device is disclosed, it constitutes in the inside of capsule-type device coil is set, the electromagnetic wave energy of supplying with from the outside is converted to electric power, supplies with the imageing sensor of being located at capsule-type device inside.
The above-mentioned the 1st routine in advance electricity that is subjected to is to be used for the high-frequency electromagnetic wave structure with the structure of antenna.Because the high electromagnetic wave of frequency is big in the intravital decay of people, so in this situation, the decay during bio-tissue by human body is big.Therefore, can not supply with competent electric energy to intravital capsule medical apparatus.
Like this, in order in bio-tissue, to reduce decay, to carry out the energy supply, must have great expectations of the electromagnetic frequency that reduction will send or utilize AC magnetic field to supply with, but the above-mentioned the 1st in advance in the example, be not suitable for efficiently accepting such low-frequency electromagnetic wave or supplying with based on the energy of AC magnetic field.
And, the 2nd in advance in the example, do not consider to be subjected to the effective configuration of electricity with antenna (or coil), can not be subjected to cut down installing space under the situation of electricity with the receiving efficiency of coil not reducing.
And the 3rd in advance under the situation of the capsule-type device of example, the sectional area of coil that is located at device inside is less than the sectional area of device, so it is low to produce the efficient of electric power.
Therefore, the objective of the invention is to, a kind of capsule medical apparatus be provided, can not reduce utilize be subjected to electricity with coil being the transmission efficiency of electric power from the outside power conversion of supplying with of organism, and can cut down the installing space of internal part, the realization miniaturization.
And, the objective of the invention is to, a kind of capsule medical apparatus that has electric power reception antenna and transmitting antenna, can realize miniaturization is provided.
Summary of the invention
The present invention is a kind of capsule medical apparatus, utilizes the wireless generating of AC magnetic field, and this capsule medical apparatus has: the capsule shape housing; And film substrate, it is arranged in the described capsule shape housing, and in film substrate, be formed with a plurality of spiral coil distributions, by described film substrate is formed tubular, make that described a plurality of spiral coil is interconnection with the two ends separately of distribution, be configured for receiving the spiral coil of AC magnetic field, make the interior distribution of described film substrate be formed for receiving the spiral coil of AC magnetic field.So constitute film substrate, utilization forms the spiral coil of tubular, can be converted to alternating current to AC magnetic field efficiently from the organism outside, and by forming spiral coil by the distribution of being located in the film substrate, can cut down installing space, be installed on inner parts and also can be installed compactly, can realize miniaturization.
And the present invention is a kind of capsule medical apparatus, utilizes the wireless generating of AC magnetic field, by constituting electric power reception antenna and transmitting antenna by same coil component, can realize miniaturization.
Description of drawings
Figure 1A～Fig. 8 B relates to embodiments of the invention 1, and Figure 1A is the figure of structure that expression has the capsule medical apparatus system of embodiments of the invention 1.
Figure 1B is the figure of expression device outside and PC.
Fig. 2 A is the profilograph of the internal structure of expression capsule medical apparatus.
Fig. 2 B is with the unfolded outside of flexible substrate expanded view.
Fig. 2 C is with the unfolded inboard expanded view of flexible substrate.
Fig. 2 D is A-B-B '-A ' profile of Fig. 2 A.
Fig. 3 is the block diagram of the external unitary internal structure of expression.
Fig. 4 is the profile of structure of the capsule medical apparatus of expression the 1st variation.
Fig. 5 A is the profile of structure of the capsule medical apparatus of expression the 2nd variation.
Fig. 5 B is the C-C profile of Fig. 5 A.
Fig. 6 is the figure of structure of the flexible substrate of expression the 3rd variation.
Fig. 7 is the profile of structure of the capsule medical apparatus of expression the 4th variation.
Fig. 8 A is the figure of the flexible substrate of expression the 5th variation.
Fig. 8 B is the figure of the flexible substrate of expression the 6th variation.
Fig. 9 A～Figure 13 relates to embodiments of the invention 2, and Fig. 9 A is the profilograph of structure of the capsule medical apparatus of expression embodiments of the invention 2.
Fig. 9 B is that expression is with the unfolded lateral surface figure of the flexible substrate among Fig. 9 A.
Fig. 9 C is the figure of expression with the unfolded medial surface of the flexible substrate among Fig. 9 A.
Fig. 9 D is the shape figure that expression connects to the flexible substrate of Fig. 9 B drum.
Figure 10 A is the figure of the flexible substrate among the presentation graphs 9B more specifically.
Figure 10 B is D-E-E '-D ' profile of Figure 10 A.
Figure 11 A is the profilograph of structure of the capsule medical apparatus of expression the 1st variation.
Figure 11 B is the drawing in side sectional elevation of Figure 11 A.
Figure 11 C is the figure that represents the state after the parts installed surface expansion in the outside among Figure 11 A.
Figure 11 D is the figure that represents the state after the parts installed surface expansion of the inboard among Figure 11 A.
Figure 12 A is the flexible substrate of expression the 2nd variation and near the side view the capacitor.
Figure 12 B is the back view of seeing from the right side of Figure 12 A.
Figure 13 is the figure of the flexible substrate of expression the 3rd variation.
Figure 14 A～Figure 15 relates to embodiments of the invention 3, and Figure 14 A is the profilograph of structure of the capsule medical apparatus of expression embodiments of the invention 3.
Figure 14 B is the axonometric chart of the structure before using exterior member integrally formed among the presentation graphs 14A.
Figure 15 is the figure that is formed at the structure that is subjected to electric coil on the flexible substrate in the expression variation.
Figure 16 A～Figure 20 relates to embodiments of the invention 4, and Figure 16 A is the figure of structure that expression has the capsule type medical system of embodiments of the invention 4.
Figure 16 B is the figure of external unit of expression and PC.
Figure 17 is the block diagram of the external unitary internal structure of expression.
Figure 18 A is the profilograph of structure of the capsule medical apparatus of expression embodiments of the invention 4.
Figure 18 B is the F-F ' profile of Figure 18 A.
Figure 18 C is the figure of the electrical system architecture of expression capsule medical apparatus.
Figure 19 is the block diagram of electrical system architecture of the capsule medical apparatus of expression variation.
Figure 20 is the action specification figure of variation.
Figure 21 A～Figure 27 B relates to embodiments of the invention 5, and Figure 21 A is the profilograph of structure of the capsule medical apparatus of expression embodiments of the invention 5.
Figure 21 B is the figure of the electrical system architecture of expression capsule medical apparatus.
Figure 22 A is the figure of the structure of expression flexible substrate.
Figure 22 B is the figure that expression connects to the flexible substrate of Figure 22 A the state of drum.
Figure 23 is the block diagram of electrical system architecture of the capsule medical apparatus of expression the 1st variation.
Figure 24 A is the figure of the state after the flexible substrate expansion of the expression coil component that will constitute Figure 23.
Figure 24 B is the figure that expression connects to the flexible substrate of Figure 24 A the state of drum.
Figure 25 A is the figure of structure of the flexible substrate of the expression coil component that constitutes the 2nd variation.
Figure 25 B is the profile of structure of thickness direction of the flexible substrate of presentation graphs 25A.
Figure 25 C is the figure that expression connects to the flexible substrate of Figure 25 A the state of drum.
Figure 26 is the profile of structure of the coil component of expression the 3rd variation.
Figure 27 A is the figure of structure of the flexible substrate of the expression coil component that constitutes the 4th variation.
Figure 27 B is the figure that expression connects to the flexible substrate of Figure 27 A the state of drum.
Figure 28 and Figure 29 relate to embodiments of the invention 6, and Figure 28 is the block diagram of electrical system architecture of the capsule medical apparatus of expression embodiments of the invention 6.
Figure 29 is the action specification figure of embodiment 6.
The specific embodiment
Below, with reference to the description of drawings various embodiments of the present invention.
With reference to Figure 1A～Fig. 8 B embodiments of the invention 1 are described.
Shown in Figure 1A, capsule medical apparatus system 1 with embodiments of the invention 1 comprises: capsule medical apparatus 3, it has the function of capsule type endoscope, thereby this capsule medical apparatus 3 utilizes wireless mode to send the picture signal of taking the endoscopic images that light path inside obtains in the body cavity optically being swallowed from patient 2 oral area by in the body cavity during pipeline; (being configured in the external of patient 2) external unit 5, its external antenna element 4 that has by being located at patient 2 receives signal that is sent by this capsule medical apparatus 3 and the function of preserving image.
In this external unit 5, be built-in with hard disk 18 (with reference to Fig. 3), be used to preserve view data.This hard disk 18 also can be that for example capacity is pocket flash memory (compact flash) (registered trade mark) of 1GB etc.
And, can be connected to display system 6 among Figure 1B, display image being stored in view data in the external unit 5 in checking process or after check finishing.
That is, shown in Figure 1B, the communication cable that this external unit 5 communicates by USB cable 8 grades connects into freely with the PC (the following computer that slightly is called) 7 that constitutes display system 6 and loads and unloads.
And, utilizing computer 7 to be taken into to be kept at the image in the external unit 5, and be kept in the inner hard disk, the processing that is used to show etc. can show the image of being preserved by display part 9.On this computer 7, connecting for example keyboard 10, as the operation board that carries out data input operation etc.
Shown in Figure 1A, when swallowing capsule medical apparatus 3 and carry out splanchnoscopy, patient 2 dresses the screening clothing 11 with function of shielding and carries out.
And external unit 5 receives the signal that is sent by capsule medical apparatus 3 shootings and the transmission coil from be built in this capsule medical apparatus 3 by this antenna element 4, in the external unit 5 that captured image is kept at this antenna element 4 is connected.This external unit 5 for example utilize can disassembled and assembled freely hook be installed on patient 2 the belt.
And, in the present embodiment, on screening clothing 11, be formed with aerial coil (sending electric coil) 13a, 13b that (with respect to patient 2 height direction) from the shoulder to the side tilts, be used for inboard generation AC magnetic field at the masked segment of outer surface, and carry out wireless power or the wireless electricity that send, and central part be formed with opposed with face side and rear side, for example be wound into OBL electricity or the power supply aerial coil 13c of sending.
These antenna coil 13a, 13b, 13c also are connected with external unit 5.
And this external unit 5 for example is a box shape, be provided with in front carry out pictorial display as for example LCD monitor 14 of display device and the operating portion 15 that carries out control operation.
As shown in Figure 3, the inside in external unit 5 except that LCD monitor 14 and operating portion 15, also has: telecommunication circuit (radio communication circuit) 16, and it is connected with antenna 12; Signal processing circuit 17, it carries out signal processing; Hard disk 18, its storage is through the view data behind the signal processing; (being made of oscillating circuit and power amplification circuit) exchanges output circuit 19, and the alternating electromotive force of aerial coil 13a, 13b, 13c is exported in its generation; Control circuit 20, its control telecommunication circuit 16 etc.; Battery 21 as power supply.
And aerial coil 13a, 13b, 13c produce AC magnetic field by the alternating electromotive force that provides from interchange output circuit 19.As hereinafter described, this AC magnetic field is the few AC magnetic field smaller or equal to 150kHz of decay in human body, can apply AC magnetic field to intravital capsule medical apparatus 3.
And user can be supplied with the alternating electromotive force of aerial coil 13a～13c from exchanging output circuit 19 by control circuit 20 controls by operating operation portion 15.For example, can select to set the antenna 13a～13c that will supply with alternating electromotive force, or switching periodically provides electric power successively, or also can select to set the cycle that to supply with successively with switching.
And user is by the operating portion 15 of the outer unit 5 of operating body, and control circuit 20 sends to capsule medical apparatus 3 sides to this operation signal by telecommunication circuit 16 and antenna 12, becomes the state of the control of the shooting action that can carry out capsule medical apparatus 3.During this situation, capsule medical apparatus 3 receives from the electric wave of antenna 12 emissions by dual-mode antenna 26 described later.
Below, with reference to the structure of the capsule medical apparatus 3 of Fig. 2 A～Fig. 2 D explanation present embodiment.Fig. 2 A utilizes profilograph to represent the internal structure of capsule medical apparatus 3, and Fig. 2 B and Fig. 2 C represent the outside after the flexible substrate expansion and inboard expanded view, A-B-B '-A ' profile of Fig. 2 D presentation graphs 2A.In addition, in Fig. 2 A, the coil connecting portion 28 on two the relative limits when this section there is shown the flexible substrate 24 that makes film like and forms tubular, but this coil connecting portion 28 becomes the side that electric component etc. is not installed shown in Fig. 2 D.
Shown in Fig. 2 A etc., the capsule medical apparatus 3 of present embodiment utilizes integrally formed exterior members 23 such as resin such as using polysulfones, forms the airtight housing of capsule shape.Taking in the inboard of this exterior member 23 form be roughly tetragonal cylindrical shell shape, as the flexible substrate 24 of film substrate.
The expanded view of this flexible substrate 24 such as Fig. 2 B and Fig. 2 C are depicted as square, more particularly are rectangle or square shape.(forming under the cylinder-shaped situation) at this flexible substrate 24 becomes on the face in the outside, by printed pattern be formed with a plurality of constitute be subjected to electric coil 25 be subjected to electric coil distribution 25a, these distributions 25a form from the parallel wire of the vertical direction slight inclination of axle of cylindrical shell.
And, near an end of this flexible substrate 24, be formed with arachnoid (carrying out the transmitting-receiving of signal) dual-mode antenna 26.
Be provided with the flexible substrate 24 that is subjected to electric coil distribution 25a like this along broken line 27 warpages that utilize dotted line to represent, shown in Fig. 2 D, become cross sectional shape for being roughly foursquare barrel shape.
During this situation, each the end 25b that is subjected to electric coil distribution 25a that faces two relative limits of flexible substrate 24 coincided shown in Fig. 2 D in time behind the warpage, become by scolding tin the coil connecting portion 28 that connects is installed, formed by electric coil distribution 25a and be wound into the spiral helicine electric coil 25 that is subjected to.And flexible substrate 24 also is fixed to and is roughly foursquare barrel shape.The part near broken line 27 of this flexible substrate 24 is formed with the thinner wall section 24a of thin-walled shown in Fig. 2 D, thus warpage processing easily.
Be near the end of foursquare barrel shape roughly, the for example CCD 33 as solid-state imager on the objective system 31 of the endoceliac optical image of imaging, the illuminating LED 32 that throws light on and the image space that is configured in objective system 31 is installed on the common LED substrate 34, lighting unit and image unit are integrally formed, are covered by transparent exterior member 23 around it.
And, near this is the other end of foursquare barrel shape roughly, dispose the large value capacitor that is called as ultracapacitor 35 that can charge as electricity accumulating unit, covered by transparent exterior member 23 around it.
And,, shown in Fig. 2 A or Fig. 2 C, electronic unit is installed at the medial surface of flexible substrate 24.
Specifically be equipped with lower member: integrated circuit (IC), it is installed by bare chip, is connected, constitutes transmission circuit (radio-circuit) 36 with dual-mode antenna 26; Constitute the IC that is installed by bare chip of (shooting and) control circuit 37, described control circuit 37 carries out the signal processing at the shooting signal of being taken by CCD 33, and blanket control is the function of giving transmission circuit 36 through the image data transmission after A/D conversion and the compression and each circuit etc.; Electronic units 38 such as the chip-resistance of formation transmission circuit 36 and control circuit 37 or chip capacitor.
In addition, driving is installed on the LED substrate 34 as the lighting circuit of the illuminating LED 32 of lighting unit, but also can be installed on this flexible substrate 24.
And, at the medial surface of this flexible substrate 24, specifically be on the face relative with electronic units such as described transmission circuits 36, be equipped with: constitute the IC that is installed by bare chip of rectification circuit 39, wherein 39 pairs of this rectification circuits are subjected to the alternating electromotive force of generation in the electric coil 25 to carry out rectification and supply with capacitor 35; With electronic units 40 such as chip-resistance that constitutes this rectification circuit 39 or chip capacitors.
And, for example with the adjacent end of the IC that is installed by bare chip that constitutes rectification circuit 39, be provided with and be used for the electrode pad 41 that is connected with CCD 33 grades, and be adjacent to be provided with electronic unit 40 and be used for the electrode pad 42a that is connected with capacitor 35.
In the present embodiment, make to be subjected to electric coil 25 to form the cylindrical shell shape, and be formed with a plurality of with the coiling that the size near the roughly length overall of its length direction forms the spiral coil (or solenoid shape coil) that is subjected to electric coil 25 with size near the external diameter of capsule medical apparatus 3.
Promptly, the actual effect external diameter that forms the coil that is subjected to electric coil 25 is big and size its length direction is also roughly the same with the axial length of exterior member 23, also be formed with a plurality of coil-winding numbers, and its space forms the cylindrical shell shape of thin-walled, can be accommodated in the little space.Therefore, can make the compact in size of this capsule medical apparatus 3.
And, carrying out electric energy based on AC magnetic field from external aerial coil 13a～13c when sending electricity (power supply), do not use the big high frequency band (for example more than or equal to 10MHz) of attenuation of Electromagnetic influence in tissue, can apply with the AC magnetic field of the frequency of counting 10Hz～150kHz, and be subjected to electric coil 25 also at this AC magnetic field, as described above, increase its sectional area and coil-winding number, increase can efficient produce alternating electromotive force well by being subjected to the magnetic flux bar number of electric coil 25.
Owing to be this structure, so by applying AC magnetic field from external external unit 5, utilization is located at and is subjected to electric coil 25 in the intravital capsule medical apparatus 3 that inserts patient 2, and the AC magnetic field by being subjected at this to intersect in electric coil 25 can produce AC electromotive force efficiently.
During this situation because the sectional area that is subjected to electric coil 25 forms by the size near the external diameter of exterior member 23, so can produce AC electromotive force efficiently, and since its coiling number form become a plurality of, so can produce big AC electromotive force.
Passing through rectification circuit 39 by rectification in this AC electromotive force that is subjected to produce in the electric coil 25, be converted to direct current, be stored in then in the capacitor 35, is power supply with stored direct current electric charge, each electrical system work of capsule medical apparatus 3.
That is, utilize the direct current power that provides from capacitor 35, make as the illuminating LED 32 of lighting unit for example luminously off and on, throw light on.Under this illumination, utilize the CCD 33 that constitutes image unit to make a video recording, utilize 37 pairs of signals of taking by this CCD 33 of control circuit to carry out signal processing, send to transmission circuit 36 after process A/D changes compressing image data again.This transmission circuit 36 is modulated with high frequency, through dual-mode antenna 26 emission electric waves.
This electric wave is received by external antenna 12, by demodulation, is sent to signal processing circuit 17 by telecommunication circuit 16 then.In addition, compressed view data is stored in the hard disk 18.And, carry out decompression by the view data of 17 pairs of compressions of signal processing circuit, be converted to video signal then and send to LCD monitor 14, can confirm the endoscopic images that (supervision) taken by CCD 33 by this LCD monitor 14.
According to present embodiment, form at supplying with based on the electric power that comes exogenic AC magnetic field, utilization is subjected to electric coil 25 can produce alternating electromotive force efficiently, is installed in lighting unit and the image unit that being used in the capsule medical apparatus 3 obtain endoscopic images and works reliably so can make.
And, in the present embodiment, on flexible substrate 24, be formed with and be subjected to electric coil 25 as film substrate, so its accommodation space is diminished, the installing space of other build-in components can be fully guaranteed, (as capsule medical apparatus) capsule medical apparatus 3 of small-sized and light weight can be realized.
Fig. 4 represents the structure of the capsule medical apparatus 3B of the 1st variation.
The 1st variation utilization shown in Figure 4 is represented along the cross-section structure on for example A-B-B ' among Fig. 2 A-A ' line.In this variation, by being formed, LED substrate 34 and capacitor 35 be roughly foursquare shape, flexible substrate 24 warpages being made around it becomes near foursquare (tetragonal) barrel shape roughly, integrally formed with exterior member 23 and its outer circumferential side.
And Fig. 5 A and Fig. 5 B represent the structure of the capsule medical apparatus 3C of the 2nd variation.And Fig. 5 A represents the vertical section, and Fig. 5 B represents the C-C section.
The capsule medical apparatus 3C of the 2nd variation adopts system (high density multicore sheet SOF (system on film)) technology on the high density multicore sheet thin film, above-mentioned control circuit 37 etc. has been installed being roughly the inner face of the flexible substrate 24C of barrel surface shape.This is documented in non-patent literature 1 (4 in Da Shi department etc., " high density マ Le チ チ Star プ シ ス テ system オ Application Off イ Le system (SOF) skill Intraoperative ", No. the 83rd, " シ ヤ one プ skill Intraoperative ", in August, 2002).
In this high density multicore sheet SOF technology, adopt and forming the flexible substrate 24C that is provided with Copper Foil on the Kapton that is as thin as near limit state, can carry out warpage etc. more easily.And, control circuit 37 electric components such as grade are installed at this flexible substrate 24C top-surface camber.
And, make IC chip behind the further miniaturization such as control circuit 37 grades by employing, also install forming on the inner face of drum easily.
If this structure, then can make the sectional area that is subjected to electric coil 25 form more shape near the external diameter of exterior member 23, can improve generating efficiency.
In this variation, though illustrate the columnar situation that forms, not only can be cubic barrel shape and drum, can also be polygon tubulars such as octagon tubular.The limit number is many more, is subjected to the area of electric coil big more also just favourable more.
Fig. 6 represents the flexible substrate 24D of the 3rd variation.What this flexible substrate 24D for example formed the flexible substrate 24 shown in Figure 1B is subjected to electric coil 25.
The shape on two limits that the end 25b of coil distribution exposes is formed for example become the wavy square wave portion 51 of rectangle (also can replace the square wave shape) for wavy or sine wave shape.
If the such rectilinear form of Figure 1B, for example when utilizing scolding tin etc. to be electrically connected, the area that is used to place scolding tin is inadequate, be difficult to dwindle at interval so that adjacent not short circuit of connecting portion, but according to this variation, the zone of electrical connection alternately is shifted, can carries out easily that scolding tin is installed and not short circuit, and can reduce at interval, increase the coil-winding number, increasing can induced electric power.
Fig. 7 represents the structure of the capsule medical apparatus 3D of the 4th variation.
In this variation, be provided with extension 52, the place ahead up to objective system 31 is extended in its end that is formed with a side of objective system 31 from for example make the flexible substrate 24C shown in Fig. 5 A.The front end of setting this extension 52 for is roughly consistent with the border of the field of view of objective system 31.
According to this structure, become the substitute of the shade of objective system 31 as the extension 52 of the flexible substrate 24C of film substrate, can avoid unwanted light to enter optical system.Therefore, this variation has the effect that can improve the observation performance.
Fig. 8 A and Fig. 8 B represent the flexible substrate 24E and the 24F of the 5th and the 6th variation respectively.
The film substrate that uses above-mentioned flexible substrate 24 grades is a rectangle roughly, but film substrate is not limited to rectangle, also can be the rhombus flexible substrate 24E shown in Fig. 8 A, can also be the wave mode flexible substrate 24F shown in Fig. 8 B.That is, so long as can form the shape of tubular and get final product.That is, as long as can improve generating efficiency.
And, as electricity accumulating unit the situation of using capacitor 35 has been described, but so long as have the device of storage function and get final product, has been not limited to capacitor, also can be the secondary cell that can charge etc.For example, can use NiMH (ni-mh) battery, lithium battery etc.
And,, can use ultracapacitor, double charge layer capacitor, ceramic capacitor etc. as capacitor 35.During this situation, if use ceramic capacitor, owing to do not use liquid, so needn't worry in capsule medical apparatus leak of liquid etc.When adopting double charge layer capacitor, because shape is small-sized and its static capacity can be very big, so stable electric power can be provided.
Embodiment 2
Below, with reference to Fig. 9 A～Figure 10 B embodiments of the invention 2 are described.Fig. 9 A represents the capsule medical apparatus 3E of embodiments of the invention 2.
The capsule medical apparatus 3E of present embodiment adopts flexible substrate 64 as film substrate, and this flexible substrate 64 is provided with multilamellar, specifically is two-layer, promptly the 1st layer of coil portion 61 and the 2nd layer of coil portion 62, also be provided with magnetic layer 63.Structure shown in Fig. 9 A changes to flexible substrate 64 with the flexible substrate 24 of Fig. 2 A, and structure in addition is roughly the same.
Shown in Fig. 9 B, when (be assembled into barrel shape before the) flexible substrate 64 with present embodiment launches, become on the face in the outside and be formed with the 1st layer of coil portion 61, on the face of its downside (inboard), be formed with the 2nd layer of coil portion 62 that utilizes dotted line to represent.
And, shown in Fig. 9 C, the IC that is installed by bare chip of formation control circuit 37 etc. is installed on the most inboard face of this flexible substrate 64.In addition, the IC that is installed by bare chip that constitutes rectification circuit 39 and the electrode pad 42a that is connected capacitor 35 be connected (forming) and be connected by the electrode pad 42b of electric coil by coil portion 61,62.
And, the outward appearance when Fig. 9 D represents to make the flexible substrate 64 shown in Fig. 9 A to form drum.Shown in this Fig. 9 D, between two limits that when making flexible substrate 64 form drum, overlap, be inserted with anisotropic conducting film (Anisotropic Conductive Film is called for short ACF) 65, utilize this ACF 65 that end turn is electrically connected, formed and be subjected to electric coil 25 '.Be subjected to electric coil 25 ' by being subjected to electric coil and constituting herein, based on the 1st layer of coil portion 61 based on the electric coil that is subjected to of the 2nd layer of coil portion 62.
Figure 10 A is the flexible substrate 64 of presentation graphs 9A more specifically, D-E-E '-D ' section of Figure 10 B presentation graphs 10A.
Shown in Figure 10 A and Figure 10 B, these flexible substrate 64 stacked the 1st layer of coil portions 61 and the 2nd layer of coil portion 62 and magnetic layer 63 are formed with two-layer parts at its downside graph layer 66 are installed.In addition, be provided with the ferromagnetism body film 63a of film like at magnetic layer 63.
At the 1st layer of coil portion 61 and the 2nd layer of coil portion 62, a plurality of coil distributions of parallel wire be formed at and the direction of the axle approximate vertical when being cylinder on.During this situation, in the 1st layer of coil portion 61, the coil distribution form from the vertical direction of described axle to a side slight inclination, in the opposing party's the 2nd layer of coil portion 62, the coil distribution form from the vertical direction of described axle to the opposition side slight inclination.
Shown in Fig. 9 D, this flexible substrate 64 forms drum, inserts ACF 65 in two limit parts that overlap, and end turn is electrically connected.
In Figure 10 A, utilize symbol a1～a8 and b1～b8 to represent the connection status of the end turn of this moment.
That is, the end turn ai of the upside among Figure 10 A (i=1～8) connects the end turn ai of downside, and the end turn bi of upside connects the end turn bi of downside.In order to carry out this connection, to position inserting ACF 65 so that end turn ai, the bi of end turn ai, the bi of upside and downside are respectively relative.
Like this, by using a zonal ACF 65, can easily carry out the connection of end turn ai, bi.
And the terminal of the 1st layer of coil portion 61 among Figure 10 A is by through hole 67, is connected with the top of the 2nd layer of coil portion 62 of the lower floor that becomes the 1st layer of coil portion 61.
And the terminal of the top of the 1st layer of coil portion 61 and the 2nd layer of coil portion 62 is installed graph layer 66 sides by through hole 68 and parts respectively and is communicated with.In addition, this through hole 68 becomes and is subjected to the electric coil outfan, and connects rectification circuit 39.
In the present embodiment, identical with embodiment 1, utilize flexible substrate 64 formation to be subjected to electric coil 25 ', and electric component is installed, so can realize small-sized capsule medical apparatus as film substrate.
And in the present embodiment, utilization is set as two-layer coil distribution formation and is subjected to electric coil 25 ', so its coiling number is multiplied, can make for the induced AC electromotive force of AC magnetic field to be multiplied.That is, electricity generate function is multiplied with respect to AC magnetic field.
And, shown in the profile shown in Figure 10 B, on film substrate, be provided with the magnetic layer 63 that constitutes by resist permalloy film etc., make the accumulative efficient of magnetic flux so improved, can improve generating efficiency.In addition, magnetic layer 63 is not limited to resist permalloy, can be the high materials of relative permeability such as pure iron, malloy, nickel, silicon steel.
And, can magnetic be located in the thin film yet, and the bar that is made of above-mentioned magnetic (bar-shaped, cylinder or polygon post) or pipe (with reference to Figure 14 A described later) is set in the empty space of cylindrical thin-film coil inboard.
Figure 11 A represents the capsule medical apparatus 3F of the 1st variation.In this capsule medical apparatus 3F, electric component 71 not only is installed in the tube inboard of flexible substrate 64B, also is installed in the outside.For example, when the tubular that makes flexible substrate 64B becomes the square tubular, owing to also have living space in the outside, so electric component 71 is installed herein.
The structure of this variation is configured in the outside layer of the 1st layer of coil portion 61 for one (representing with 66a) in the two-layer parts installation graph layer 66 shown in Figure 10 B etc. in Figure 11 A and Figure 11 C.
During this situation, if transmission circuit 39 and dual-mode antenna 26 outside particularly configuration preferably reaches, then the transmitting-receiving efficient of signal also improves.
And, shown in Figure 11 D, in becoming the most inboard another parts installation graph layer 66b, electric component 72 is installed also.This variation has the roughly the same effect of embodiment with Fig. 9 A～Fig. 9 D.
Figure 12 A and Figure 12 B represent the capacitor 35 of the 2nd variation and the connecting portion of flexible substrate 64.Figure 12 A represents side view, and Figure 12 B represents the back view seen from the right side.
The structure of the flexible substrate 64C of this variation is, in the flexible substrate 64 that Fig. 9 A etc. illustrates, forms the extension 64d that the end side that connects capacitor 35 is extended, and this extension 64d is connected along the profile warpage of capacitor 35.
By forming this structure, area is set increases, more current stabilization ground is flow through.That is,, can realize the further stabilisation that the electric power of capsule medical apparatus inside is supplied with as the effect of this variation.
Figure 13 represents the flexible substrate 64E of the 3rd variation.Shown in Figure 10 A etc., in flexible substrate 64, connect the end of carrying out the 1st layer of coil portion 61 and the 2nd layer of coil portion 62 by through hole and be connected, but in this variation, form the structure that in the end on both sides b1, b1, connects.
And, in this flexible substrate 64E, become the top part of the 1st layer of coil portion 61 of the outfan that is subjected to electric coil and the terminal part of the 2nd layer of coil portion 62, be connected with the figure 75,76 of wider width respectively, parts after these figures 75,76 are exposed to for example relative with these figures 75,76 part cut are installed graph layer 66, can easily carry out and being connected of rectification circuit.
Can simplify the distribution of film substrate according to this variation.
Below, with reference to Figure 14 A～Figure 14 B embodiments of the invention 3 are described.Figure 14 A represents the capsule medical apparatus 3G of embodiments of the invention 3.
The capsule medical apparatus 3G of the present embodiment shown in Figure 14 A adopts flexible substrate 81, this flexible substrate 81 form be with the vertical direction of length direction of this capsule medical apparatus 3G (being made as the top herein always describes) on have the cylindrical shell of axle, for example be roughly square cylindrical shell.
And, along the outer peripheral face of this cylindrical shell coil distribution 82a is set, form and be subjected to electric coil 82.
That is, the structure before utilizing exterior member 23 integrally formed is the state shown in Figure 14 B, is formed with along the outer peripheral face of cylindrical shell to be subjected to electric coil 82.
And, shown in Figure 14 A, antenna 26 and transmission circuit 36, control circuit 37 etc., and dispose shaft-like magnetics 83 such as iron core in the free space of side within it in the installed inside of this flexible substrate 81.But in order to prevent to produce vortex flow, adopting becomes shaft-like structure with stacked the making of thin plate, or adopts powder exerted pressure to make and become shaft-like structure.
And, as shown in Figure 14B, on this flexible substrate 81, being provided with extension 84, the end of this extension 84 is electrically connected with LED substrate 34.
According to present embodiment, film substrate form with the vertical direction of length axle of capsule medical apparatus 3G on have the tubular of axle, form by this film substrate and to be subjected to electric coil 82, be subjected to electric coil 82 owing under the state that makes the approaching maximum of this sectional area that is subjected to electric coil 82, form this, so generating efficiency is good.
And, identical in the inside that is subjected to electric coil 82 that forms tubular with the situation of embodiment 1 and embodiment 2, circuit block is installed, so can constitute capsule medical apparatus 3G compactly on film substrate.In addition, in free space, disposed the iron core that constitutes by pure iron etc., so generating efficiency further improves.
In addition, as the 1st variation, as shown in figure 15, also can form: flexible substrate 81B has two barrel 85,86 that form the cylindrical shell shape, these two barrel 85,86 with the vertical and orthogonal both direction of length direction of (shown in Figure 14 A) capsule medical apparatus 3G on have axle, in each barrel 85,86, be formed for forming and be subjected to the 1st of electric coil 87,88 to be subjected to electric coil distribution 87a, the 2nd to be subjected to electric coil distribution 88a.
According to this variation, on the film substrate that forms two cylindrical shell shapes that have axle on the orthogonal both direction, be respectively arranged with and be subjected to electric coil 87,88, even so capsule medical apparatus towards variation, also can utilize these generated electricity efficiently at mutually different both direction by electric coil 87,88.In other words, can reduce the uneven of transmitting efficiency that the direction because of magnetic field causes.
In addition, as the 2nd variation, for example in Figure 15, also can replace barrel 86 at the flexible substrate 24 shown in the inboard of the barrel 85 configuration embodiment 1.During this situation, also can obtain the effect roughly the same with the 1st variation.
And,, utilize same coil component to constitute electric power reception antenna and transmitting antenna, so can make the capsule medical apparatus miniaturization according to these embodiment.
Below, with reference to Figure 16 A～Figure 20 embodiments of the invention 4 are described.
The purpose of present embodiment be to provide can miniaturization capsule medical apparatus (more specifically saying it is capsule type endoscope), this capsule medical apparatus has the transmitting antenna that the data that are suitable for the big data quantity of Biont information image pattern as data transmit and is suitable for the electric power reception antenna that electric power receives.
Shown in Figure 16 A, capsule type medical system 101 with embodiments of the invention 4 comprises: capsule medical apparatus 103, it has the function of capsule type endoscope, thereby this capsule medical apparatus 103 is being swallowed from patient 102 oral area by in the body cavity during pipeline, utilizes wireless mode to send the image information of pipeline inside in the body cavity being carried out the endoscopic images that optical pickup obtains; (being configured in the external of patient 2) external unit 105, its external antenna element 104 that has by being located at patient 102 receives signal that is sent by this capsule medical apparatus 103 and the function of preserving image.
In this external unit 105, be built-in with hard disk 118 (with reference to Figure 17), be used to preserve view data.This hard disk 118 can be that for example capacity is pocket flash memory (registered trade mark) of 1GB etc.
And, in checking process or check to finish the back and be connected to display system 106 among Figure 16 B being stored in view data in the external unit 105, can display image.
That is, shown in Figure 16 B, the communication cable that this external unit 105 communicates by USB cable 108 grades can connect and compose the PC (the following computer that slightly is called) 107 of display system 106 with freely loading and unloading.
And, can utilize computer 107 to be taken into to be kept at the image in the external unit 105, and be kept in the inner hard disk, or the processing that is used to show etc., the image of being preserved shown by display part 109.On this computer 107, connecting for example keyboard 110, as the operation board that carries out data input operation etc.
Shown in Figure 16 A, when swallowing capsule medical apparatus 103 and carry out splanchnoscopy, patient 102 dresses the screening clothing 111 with function of shielding and checks.
In the installed inside of this screening clothing 111 antenna element 104 is installed, this antenna element 104 is equipped with a plurality of antennas 112, this antenna element 104 connectors outer unit 105.
And, external unit 105 receives the signal of being taken and being sent from its built-in transmission coil 125 (with reference to Figure 18 A, 18C) by capsule medical apparatus 103 by this antenna element 104, in the external unit 105 that captured image is kept at this antenna element 104 is connected.This external unit 105 for example utilizes the hook that can freely load and unload to be installed on patient 102 the belt.
And, in the present embodiment, on screening clothing 111, be formed with (with respect to patient 2 height direction) tilts from the shoulder to the side aerial coil (sending electric coil) 113a, 113b, it is used for producing AC magnetic field in the inboard of the masked segment of outer surface, carry out wireless power or wireless sending, and central part be formed with opposed with face side and rear side, for example be wound into OBL aerial coil 113c, it carries out wireless electricity or the wireless power of sending.
These antenna coil 113a, 113b, 113c be the outer unit 105 of connector also.
And this external unit 105 for example is a box shape, be provided with in front carry out pictorial display as for example LCD monitor 114 of display device and the operating portion 115 that carries out control operation.As shown in figure 17,, except that LCD monitor 114 and operating portion 115, also have in the inside of external unit 105: the telecommunication circuit (radio communication circuit) 116 that connects antenna 112; Carry out the signal processing circuit 117 of signal processing; Storage is through the hard disk 118 of the view data behind the signal processing; (being made of oscillating circuit and power amplification circuit) that the alternating electromotive force of aerial coil 113a, 113b, 113c is exported in generation exchanges output circuit 119; The control circuit 120 of control telecommunication circuit 116 grades; Battery 121 as power supply.
And aerial coil 113a, 113b, 113c produce AC magnetic field by the alternating electromotive force of supplying with from interchange output circuit 119.As hereinafter described, this AC magnetic field is the little AC magnetic field smaller or equal to 150kHz of decay in human body, can apply AC magnetic field to patient's 102 intravital capsule medical apparatus 103 damply hardly.
In addition, in Figure 17, antenna 112 only is used for receiving in the present embodiment, but in embodiment 6, also is used for sending.Therefore, in embodiment 6, telecommunication circuit 116 not only is used for receiving, and also is used for sending.
Below, with reference to the structure of the capsule medical apparatus 103 of Figure 18 A, Figure 18 B and Figure 18 C explanation present embodiment.Figure 18 A utilizes profilograph to represent the internal structure of capsule medical apparatus 103, the F-F section of Figure 18 B presentation graphs 18A, and Figure 18 C represents the electrical system architecture of capsule medical apparatus 103.
Shown in Figure 18 A, the capsule medical apparatus 103 of present embodiment utilizes integrally formed resin 123 to form capsule shape, and portion is to be provided with in the mode of imbedding within it: send coil 125, it sends image information to described antenna 112 with wireless mode; Be subjected to electric coil 126 etc., its accept described aerial coil 113a～113c AC magnetic field, produce alternating electromotive force.
Promptly, inboard at this integrally formed resin 123, dispose coil component 127 on the cylinder outer peripheral face of the coil core 124 of drum, what be used to form the transmission coil 125 that the coiling lead is used to send and receive exogenic alternating electromotive force is subjected to electric coil 126 as the electric power reception antenna.
And, disposing magnetic cylindrical shell 128 at the cylinder inner peripheral surface of this coil core 124, it is made of ferromagnetism body materials such as resist permalloies, and having the accumulative function in magnetic field is the permeability height.
And the substrate 129 along the rectangular plate shape of axle configuration of this coil core 124 cylindraceous is installed with electronic unit 130 on this substrate 129, form the circuit of the function with regulation shown in Figure 18 C.
And, the configuration of end of this substrate 129 be circular plate shape roughly, the LED substrate 131a that carries out illuminating LED 131 (with reference to Figure 18 C) has been installed, hole portion in the perforation of the centre that is arranged at this LED 131, be mounted to the objective lens optical system 132 of optical image, and configuration imaging apparatus 133 becomes one lighting unit and image unit on the image space of this objective lens optical system 132.
At the back side of this LED substrate 131a, the front surface of imaging apparatus 133 is installed by flip-chip.And the electrode pad of being located at its back side of this imaging apparatus 133 is installed by scolding tin and is electrically connected with substrate 129.
And at another end of this substrate 129 configuration large value capacitor 134, it is circular plate shape roughly, has the function as electricity accumulating unit, and is electrically connected with substrate 129.
Like this, coil component 127, installed inside have parts such as the substrate 129 of electronic unit 130, the LED substrate 131a that is configured in the two ends of this substrate 129, capacitor 134 to form capsule medical apparatus 103, this capsule medical apparatus 103 is by using the mould with hollow bulb of not shown capsule shape, inject integrally formed resin 123, thus the exterior body with capsule shape profile.
In the present embodiment, above-mentioned coil component 127 is on the cylinder outer peripheral face of common coil core 124, make lead cross its central authorities and be wound up into to form and be subjected to electric coil 126, separate less interval again and make same wire form and send coil 125 by the same mode less number of times of reeling near the position of another end from an end side.And, be subjected to an end of electric coil 126 and an end of transmission coil 125 to become common terminal 135 or target (Figure 18 C).
Like this, in the present embodiment, feature is: send coil 125 and be subjected to electric coil 126 by forming at the few coiled wire-wound coil of the coiling number of reeling on the outer peripheral face of coil core 124 and the abundant coiled wire-wound coil of coiling number of reeling on the outer peripheral face of coil core 124 respectively, during this situation, the high frequency band that the transmission coil 125 that is become by less coiling number form transmits corresponding to suitable data (more than or equal to number 10MHz), and the coiling number that is subjected to electric coil 126 is big (and its sectional area is also big) also, so that can produce alternating electromotive force efficiently for the low AC magnetic field of frequency.
And, in the present embodiment, form both sides' function by utilizing single coil component 127, realized the miniaturization of capsule medical apparatus 103.
In addition, 128 of magnetic cylindrical shells that are configured in coil core 124 inboards are configured in the inside part that is subjected to electric coil 126, and the transmission coil 125 that is subjected to electric coil 126 and forms is left in influence a little hardly.
Figure 18 C represents the electrical system architecture of this capsule medical apparatus 103.
And, be subjected to the two ends of electric coil 126 to connect and compose the diode bridge 142 of power supply circuits (charging circuit) 141, be transfused to adjustment circuit 143 by the output of the rectification after these diode bridge 142 rectifications, by adjusting the DC voltage that circuit 143 carries out smoothing and boosts, converts to regulation, offer capacitor 134 then.
And, be stored in this capacitor 134 after the alternating electromotive force that produces in being subjected to electric coil 126 is converted to direct current by power supply circuits 141.
In addition, sending coil 125 and being subjected to electric coil 126 is common at terminal 135 places, so transmission signal after amplifying by amplifier 139 from transtation mission circuit 138, when sending to transmission coil 125 through terminal 135, by be subjected to by electric coil 126, for the signal of the frequency of the AC magnetic field that prevents to offer power supply circuits 141 becomes noise, brings harmful effect for transtation mission circuit 139 sides, be inserted with the high pass filter 140 of the intrusion of the signal that stops this frequency.And, transtation mission circuit 138 sides got rid of offer power supply circuits 141 (well below send signal, specifically smaller or equal to 1/100 about) input of low frequency signal.
Be stored in the direct current power in the above-mentioned capacitor 134, offer the signal processing and the control circuit 137 that form by the electronic unit 130 that is installed on the substrate 129 as work with electric power and wait each circuit.
The action of the present embodiment of this structure is described.
Shown in Figure 16 A, patient 102 wears screening clothing 111 and has on external unit 105, swallows capsule medical apparatus 103 from oral area.During this situation, apply AC magnetic field to aerial coil 113a～113c in advance, the electric coil 126 that is subjected to by capsule medical apparatus 103 is subjected to electricity, is converted to direct current power by power supply circuits 141, to capacitor 134 chargings.And, utilize the direct current power that is stored in this capacitor 134, make each circuit working of capsule medical apparatus 103, after having confirmed each circuit operate as normal, patient 102 swallows capsule medical apparatus 103.
The signal processing of capsule medical apparatus 103 and control circuit 137 drive the LED 131 that controls as lighting unit makes it intermittently luminous, and applies the driving signal to imaging apparatus 133.Imaging apparatus 133 is taken the endoceliac position of being thrown light on by LED 131, exporting as image pickup signal by applying the signal charge that the driving signal carries out after the opto-electronic conversion.
And, be converted to view data by signal processing and control circuit 137, send to transtation mission circuit 138 after forming compressed view data again, by this transtation mission circuit 138 for example with more than or equal to the number 10MHz frequency modulate, and after utilizing amplifier 139 to amplify, through making the high pass filter 140 that passes through more than or equal to the frequency of this frequency band, offer and send coil 125, be transmitted into the outside from this transmission coil 125 as electric wave.
This electric wave is received by antenna 112, by sending to signal processing circuit 117 after telecommunication circuit 116 demodulation, the compression image data storage in hard disk 118, and carry out decompression processing, conversion process is that video signal is exported to LCD monitor 114 again, shows the image of being taken by imaging apparatus 133 on the display surface of LCD monitor 114.
For example, from external unit 105 sides by aerial coil 113a～113c by some cycles etc. periodically (circularly) apply the AC magnetic field of frequency smaller or equal to 150kHz, thereby make be located at capsule medical apparatus 103 inside be subjected to respond to AC electromotive force in the electric coil 126, this AC electromotive force is converted to direct current by diode bridge 142 by rectification, boosted etc. by adjusting circuit 143 again, be stored in then in the capacitor 134.
In the present embodiment,, can apply this AC magnetic field to intravital capsule medical apparatus 103 damply hardly, can produce alternating electromotive force efficiently by being subjected to electric coil 126 by applying AC magnetic field with low frequency from the outside.Like this, can provide alternating electromotive force efficiently, so can make capsule medical apparatus 103 send the action of Biont information in vivo for a long time from the outside.
That is, be built under the situation of the battery in the capsule medical apparatus 103, when working long hours only utilizing, the electric energy of this battery is consumed, and might can not send Biont information halfway, but in the present embodiment, can power efficiently from the outside, so can work long hours.
As described above, according to present embodiment, in single coil component 127, form and send coil 125 and be subjected to electric coil 126, and be subjected to electric coil 126 to form long drum with size near the external diameter of capsule medical apparatus 103, and feasible length direction coiling number along capsule medical apparatus 103 is many, is subjected to electric coil 126 induced AC electromotive forces so can increase by this.
That is,, can produce AC electromotive force efficiently according to present embodiment.And, during this situation, dispose magnetic cylindrical shell 128 in the inboard that is subjected to electric coil 126, permeability is big under the frequency band of the AC magnetic field of supplying with by aerial coil 113a～113c, loss is little, so can produce AC electromotive force more efficiently for this magnetic cylindrical shell 128.
And, in the present embodiment, the coiling number that sends coil 125 is few, this transmissions coil 125 become be suitable for sending the speed that can increase the view data that transmission contains much information (be higher than far away aerial coil 113a～113c AC magnetic field frequency and be subjected to electric coil 126 to what the AC magnetic field of this frequency had sensitivity) antenna of high-frequency signal.
Like this owing to constituting the different transmission coil of frequency band 125 by single coil component 127 and being subjected to electric coil 126, so can realize small-sized capsule medical apparatus 103.
This situation below will remark additionally.
When the data that the wireless transmission image pattern contains much information as data, in order to increase transfer rate, altofrequency is more favourable, if but in electric power is supplied with, also utilize this frequency, then the decay in bio-tissue increases, and can not carry out electric power efficiently and transmit.
Like this,,, will occupy the space of capsule medical apparatus, form the structure that is not suitable for miniaturization if antenna is set respectively in order to realize having considered making the different antenna of frequency that uses in frequency that electric power uses in supplying with and the data communication.
To this, by adopting the structure of present embodiment, promptly save the space and have the suitable function of having considered these situations again, can realize can miniaturization capsule medical apparatus 103.
And, when using electromagnetic induction to power, preferably at electric power antenna for receiving (coil) internal configurations magnetic material, but use in the antenna in communication, sometimes can not launch (reception) electromagnetic wave more efficiently, just realize considering the structure of this point in the present embodiment at antenna internal configurations magnetic material etc.
Figure 19 represents the electrical system architecture of the capsule medical apparatus 103B of variation.This variation is in the structure of Figure 18 C, for example utilizes the 137a of monitoring voltage portion that is located in signal processing and the control circuit 137 to come test example as being input to the DC voltage of adjusting in the circuit 143.
And, signal processing and control circuit 137 use the 137a of this monitoring voltage portion to monitor and are input to the DC voltage of adjusting circuit 143, control transtation mission circuit 138, make by being subjected to electric coil 126 to stop to send when circuit 143 sides are powered to adjusting, and control transtation mission circuit 138, make when power supply stops, sending.
For example shown in Figure 20, the 137a of monitoring voltage portion will be input to the level of input signal of the 137a of this monitoring voltage portion and the voltage V of regulation compares, and its comparative result be sent to for example CPU of signal processing and control circuit 137 inside.This CPU makes the transmission action of transtation mission circuit 138 stop (OFF) when the input signal that detects more than or equal to voltage V.On the other hand, when the input signal that does not detect more than or equal to voltage V, this CPU starts or allows the transmission action of transtation mission circuit 138.
Like this, making time of carrying out image data transmission by transtation mission circuit 138 is different time work with utilizing the AC magnetic field time of (being subjected to) of powering.
In this variation, by carrying out this control action, when sending, stop to produce the AC magnetic field that for this signal, becomes noise, so, can realize the transmission of the second best in quality view data according to this capsule medical apparatus 103B.In addition have the effect identical with the capsule medical apparatus 103 of Figure 18 A～Figure 18 C.
Below, with reference to Figure 21 A～Figure 22 B embodiments of the invention 5 are described.In embodiment 4, the coiling lead forms and has the coil component 127 that sends coil 125 and be subjected to electric coil 126 on coil core 124, but in the present embodiment, uses flexible substrate 151 to form and have the coil component 127B that sends coil 125 and be subjected to electric coil 126.
Promptly, shown in Figure 21 A, the capsule medical apparatus 103C of present embodiment is in the capsule medical apparatus shown in Figure 18 A 103, adopt having of drum transmission coil 125 that forms by printed pattern 152a and 152b (with reference to Figure 22 A) and the flexible substrate 151 that is subjected to electric coil 126, replace coil core 124.
And, this flexible substrate 151 is before being configured as drum, be rectangle or foursquare thin sheet form shown in Figure 22 A,, be used to form transmission coil 125 and be subjected to electric coil 126 at printed pattern 152a and the 152b that the surface and the back side of this flexible substrate 151 are provided with a plurality of straight parallel wire.
And in this flexible substrate 151, (being up and down in Figure 22 A) each end of printed pattern 152a and 152b links with electrode pad 153a that is located at the surface and the back side respectively and 153b.During this situation, the end of the printed pattern 152a on surface links with the electrode pad 153a that arranges by the spacing identical with the arrangement pitches of this printed pattern 152a respectively, and the other end is connected with the electrode pad 153b of rear side by through hole 154a.
Equally, the end of the printed pattern 152b at the back side is connected with the electrode pad 153b that arranges by the spacing identical with the arrangement pitches of this printed pattern 152b respectively, and the other end is connected with the electrode pad 153a of face side by through hole 154b.
And, electrode pad 153b is formed at the end, and electrode pad 153a is formed at the inboard slightly of end, shown in Figure 22 B, partially overlap near the end on surface by being flexed into the cylindric end at the back side that makes, the electrode pad 153b at the back side is overlapped on the electrode pad 153a on surface, install by scolding tin and make its electrical connection, send coil 125 and be subjected to electric coil 126 thereby can form.
When such formation drum is electrically connected, form 1 coil, but in the present embodiment shown in Figure 22 B, can 3 electrode pad 155a, 155b, 155c be set in the position of the close end of coil, form and send coil 125 and be subjected to electric coil 126.That is, shown in Figure 22 B, two electrode pad 155a, 155b being connected with the two ends of coil are set, and (as the common electrode pad) the electrode pad 155c that passes through printed pattern 156 connections is set near the electrode pad 153a of end turn.
And transmission coil 125 is formed by the coil of the printed pattern between electrode pad 155a and the 155c, formed by the coil of the printed pattern between electrode pad 155b and the 155c by electric coil 126.
And Figure 21 B represents the electrical system architecture of the capsule medical apparatus 103C of present embodiment.Structure shown in Figure 21 B is in Figure 19, replaces coil component 127, and adopts the coil component 127B that is formed by flexible substrate 151.Other structure is identical.
According to present embodiment, can realize more saving the spatial coil component 127B that sends coil 125 and be subjected to electric coil 126 that has than embodiment 4.
Figure 23 represents the electrical system architecture of the capsule medical apparatus 103D of the 1st variation.In this variation, also adopt flexible substrate 151, but in this variation, make to send coil 125 and separated by electric coil 126 to form coil component 127C.
Promptly, this variation be configured as unfolded flexible substrate 151 before the drum shown in Figure 24 A, form the printed pattern 161 that sends coil 125 and form the printed pattern 162 that is subjected to electric coil 126 and on (when forming cylinder) direction of principal axis, separate and form.In addition, printed pattern 161 and 162 uses (do not have label symbol herein, shown in Figure 22 A) printed pattern 152a, 152b to form.
And printed pattern 161 and each end of 162 be connection electrode pad 163a and 163b respectively.
In this variation, with sending coil 125 and being subjected to electric coil 126 to separate the coil component 127C that forms one, so constitute the high pass filter 140 that does not need among Figure 21 B.That is electrical system architecture, shown in Figure 23 is the structure that does not need the high pass filter 140 among Figure 21 B.
Other structure is identical with the structure of Figure 22 A, Figure 22 B, has the roughly the same effect of situation with Figure 21 A, Figure 21 B.
Figure 25 A～Figure 25 C represents the coil component 127D of the 2nd variation.Figure 25 A represents coil component 127D is launched into plane graph after plane, and Figure 25 B is the profile of the structure of its thickness direction of expression, and that Figure 25 C represents to be flexed into is cylindric, connect the electrode of opposite pad and form the state of coil component 127D.
This variation constitutes, for example use multiwalled flexible substrate 171, at the 1st layer that becomes outer circumferential side the printed pattern 172 that constitutes transmission coil 125 is set, the 2nd of side the layer of setting (by conducting film) within it is formed at the conductive layer 173 on roughly whole, and the 3rd layer of week is provided with the printed pattern 174 that formation is subjected to electric coil 126 within it.
During this situation,, almost on whole, be set to the conductive layer 173 in intermediate layer, so that cover only about half of to the electrode pad 153b of both sides and 153a as utilizing dotted line to represent the profile of conductive layer 173 among Figure 25 A.Wherein, the part that is formed with through hole 154a, 154b does not form conducting film so that not short circuit
And shown in this Figure 25 A, the two ends of the transmission coil 125 that is made of printed pattern 172 become electrode pad 175a, 175b.And the two ends that are subjected to electric coil 126 that are made of printed pattern 174 become electrode pad 176a, 176b.
During this situation, electrode pad 175b is connected with figure 177a by connecting, and electrode pad 176b is connected with figure 177b by connecting.
According to this variation, the conductive layer 173 that approaches whole is set is used for ground connection, the action of the Circuits System of the transmission of making a video recording that is disposed at conductive layer 173 inboards is stablized, the noise that perhaps can shield from the outside alleviates its influence.In addition has the roughly the same effect of situation with Figure 21 A, Figure 21 B.
Figure 26 represents the coil component 127E of the 3rd variation.This coil component 127E lead of repeatedly reeling in the outside of the coil core 181 of drum constitutes and to be subjected to electric coil 126, in its outside Copper Foil is wound into cylindric formation conductive layer 182, forms at its outside coiling lead and sends coil 125.And, can as the 2nd variation, be used for shielding etc. to conductive layer 182.
Effect and the 2nd variation when using this coil component 127E are roughly the same.
Figure 27 A and Figure 27 B represent the coil component 127F of the 4th variation.The coil component 127F of the 4th variation shown in Figure 27 A, is formed by multiwalled flexible substrate 171B under deployed condition.
In Figure 25 A, at the 1st layer of setting of multiwalled flexible substrate 171 and the printed pattern 172 of the 3rd layer of identical parallel wire, form and send coil 125, but in this variation, form transmission coil 125 at the 1st layer of for example OBL printed pattern 186 of setting.
And, form oblong-shaped in the inboard or the outside form a side of a few end, link with the electrode pad 153a identical with the situation of Figure 25 A, the opposing party is connected with electrode pad 153a through through hole 187, the printed pattern 172 of the 3rd layer of side, through hole 154b, and the printed pattern 188 through the 1st layer of side is connected with electrode pad 175a again.
This flexible substrate 171B is flexed into drum shown in Figure 27 B, electrode of opposite pad 153a, 153b are overlapped carry out the scolding tin installation, forms coil component 127F.The structure of other structure during with Figure 25 A and Figure 25 B is identical.And this variation has the roughly the same effect of coil component 127D with Figure 25 A and Figure 25 B.
Embodiment 6
Below, with reference to Figure 28 embodiments of the invention 6 are described.Figure 28 represents the electrical system architecture of the capsule medical apparatus 103E of embodiment 6.Present embodiment is for example in the structure of Figure 23, sending coil 125 as being used for the dispatch coil 125B that sends and receive, the transmission circuit 191 that this dispatch coil 125B connection is received and dispatched.
This transmission circuit 191 connects signal processing and control circuit 137, to the view data of these transmission circuit 191 inputs from signal processing and control circuit 137 transmissions, and when the control signal from external unit 5 sides is transfused to, with this control signal demodulation, export to signal processing and control circuit 137.
And, in the present embodiment, the 2nd 137b of monitoring voltage portion of the voltage that monitors capacitor 134 is set, the detection signal of the 2nd 137b of monitoring voltage portion is exported to the CPU of signal processing and control circuit 137 inside.
And this CPU during smaller or equal to predefined voltage E1, sends index signals by transmission circuit 191 at the voltage of capacitor 134.And,, stop to send this transmission index signal when voltage during more than or equal to E2.
On the other hand, in external unit 105, when receiving the information of this transmission index signal by telecommunication circuit 116 (with reference to Figure 17), send to its inner control circuit 120 (with reference to Figure 17), control circuit 120 receives when sending index signal, make to exchange output circuit 119 work, begin to send electronic work.
Figure 29 represents the representational action example of present embodiment.Figure 29 (A) expression is input to the input voltage of the 2nd 137b of monitoring voltage portion, and when this input voltage during smaller or equal to E1, shown in Figure 29 (B), CPU produces and send electric index signal.
This send electric index signal to pass through transmission circuit 191, dispatch coil 125B by wireless transmission.In addition, when sending general image data, the additional code corresponding with sending electric index signal sends in the front or back of this view data.
In external unit 105 sides, whether control circuit 120 differentiations have added except that view data with this is sent electric index signal corresponding code.
And, differentiate for being when sending electric index signal when control circuit 120, be set at operating state exchanging output circuit 119, shown in Figure 29 (C), begin to send electronic work.
In addition, also can shown in Figure 29 (C), send electronic work, and, shown in Figure 29 (D), begin to send electronic work off and on according to the operation of the operating portion 115 of external unit 105.During this situation, when sending electronic work to stop, can carrying out the transmission of view data.And, by sending electronic work, make charging rise for the voltage of capacitor 134, when more than or equal to voltage E2, cut off and send electric index signal, stop to send electronic work.
According to present embodiment, monitor the energy state of the power supply unit of capsule medical apparatus 103E inside, when becoming the energy state of approaching needs power supply, detect this state, send detection signal to the outside, outside device receives this signal, produces the AC magnetic field that is used to power, so can suitably carry out the reception of the electric energy that electric energy sends and sent.
In addition, constituting direct current power storage element power supply circuits 141, that store direct current power and be not limited to capacitor 134, also can be secondary cells such as the Ni-MH battery that can charge, lithium ion battery.And, can also built-in secondary cell, approach state that the electric energy of this secondary cell exhausts or near by the state of the electrical system cisco unity malfunction of its electric power inside the time, send the signal that makes the action of powering to the outside at energy state.
And, also can send to the outside to the information and the view data of the energy state of secondary cell etc. together, by the judgement whether external unit 105 sides of outside power, the generation of control AC magnetic field or stop.
In addition, embodiment that each above-mentioned embodiment is carried out formations such as part combination etc. also belongs to the present invention.
Capsule medical apparatus is inserted in the body, utilize sending coil transmits to external high frequency and takes in the body and the view data that obtains, by coming exogenic AC magnetic field, produce alternating electromotive force by the electric coil that is subjected to that is located at capsule medical apparatus inside, and it as internal electric source, thereby can carry out medical act such as splanchnoscopy for a long time.
Claims (12)
1. a capsule medical apparatus uses the wireless generating of AC magnetic field, it is characterized in that having:
The capsule shape housing; With
Film substrate, it is arranged in the described capsule shape housing, and is formed with a plurality of spiral coil distributions in film substrate,
By described film substrate is formed tubular, make that described a plurality of spiral coil is interconnection with the two ends separately of distribution, be configured for receiving the spiral coil of AC magnetic field.
2. capsule medical apparatus according to claim 1 is characterized in that described film substrate forms the shape of cylinder, and the external diameter of the external diameter of this cylinder and described capsule shape housing is roughly the same.
3. capsule medical apparatus according to claim 1 is characterized in that, described film substrate forms and is roughly polygonal tubular.
4. capsule medical apparatus according to claim 1 is characterized in that, described film substrate forms and is roughly tetragonal tubular.
5. capsule medical apparatus according to claim 1 is characterized in that, the spiral coil distribution that is formed on the described film substrate is a multilamellar.
6. capsule medical apparatus according to claim 1 is characterized in that, the inboard of the coil wiring layer in forming the described film substrate of tubular is provided with the film that is made of magnetic.
7. capsule medical apparatus according to claim 6 is characterized in that described magnetic is a ferrum.
8. capsule medical apparatus according to claim 6 is characterized in that described magnetic is a resist permalloy.
9. capsule medical apparatus according to claim 1 is characterized in that, in the inboard of the described film substrate that forms tubular, is provided with bar-shaped or piped magnetic.
10. capsule medical apparatus according to claim 9 is characterized in that described magnetic is a ferrum.
11. capsule medical apparatus according to claim 9 is characterized in that, described magnetic is a resist permalloy.
12. capsule medical apparatus according to claim 1 is characterized in that, further is formed with a plurality of transmitting antenna distributions in described film substrate,
By described film substrate is formed tubular, make that described a plurality of transmitting antenna is interconnection with the two ends separately of distribution, constitute the transmitting antenna that is positioned at described capsule shape housing, carries out the data transmission to the outside.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003366575A JP4520130B2 (en) | 2003-10-27 | 2003-10-27 | Capsule medical device |
| JP366575/2003 | 2003-10-27 | ||
| JP368045/2003 | 2003-10-28 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100836431A Division CN101254102A (en) | 2003-10-27 | 2004-10-26 | Capsule type medical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1874714A CN1874714A (en) | 2006-12-06 |
| CN100515312C true CN100515312C (en) | 2009-07-22 |
Family
ID=34644884
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800317618A Expired - Fee Related CN100515312C (en) | 2003-10-27 | 2004-10-26 | Capsule type medical device |
| CNA2008100836431A Pending CN101254102A (en) | 2003-10-27 | 2004-10-26 | Capsule type medical device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100836431A Pending CN101254102A (en) | 2003-10-27 | 2004-10-26 | Capsule type medical device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4520130B2 (en) |
| CN (2) | CN100515312C (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4987257B2 (en) * | 2005-06-29 | 2012-07-25 | オリンパス株式会社 | Endoscope |
| JP4948049B2 (en) * | 2006-06-09 | 2012-06-06 | オリンパス株式会社 | Capsule endoscope system |
| US7965180B2 (en) | 2006-09-28 | 2011-06-21 | Semiconductor Energy Laboratory Co., Ltd. | Wireless sensor device |
| JP2008119057A (en) * | 2006-11-08 | 2008-05-29 | Matsushita Electric Works Ltd | Capsule-type imaging device |
| CN101179222B (en) * | 2006-11-10 | 2011-11-30 | 中国科学院理化技术研究所 | Human body implanted power generation device based on external drive |
| JP5530055B2 (en) * | 2007-03-28 | 2014-06-25 | オリンパスメディカルシステムズ株式会社 | Imaging device |
| JP2009268639A (en) * | 2008-05-02 | 2009-11-19 | Olympus Corp | Capsule type endoscope |
| JP5165023B2 (en) * | 2010-05-20 | 2013-03-21 | パナソニック株式会社 | Endoscope |
| JP5820645B2 (en) * | 2011-07-11 | 2015-11-24 | オリンパス株式会社 | Biological information acquisition system |
| JP5913870B2 (en) * | 2011-08-31 | 2016-04-27 | オリンパス株式会社 | Capsule medical device |
| JP5676026B2 (en) * | 2014-02-05 | 2015-02-25 | オリンパスメディカルシステムズ株式会社 | Imaging device |
| TWI586400B (en) * | 2014-03-04 | 2017-06-11 | Bioelectromagnetic circuit device | |
| EP3150102A4 (en) * | 2014-05-27 | 2018-01-24 | Olympus Corporation | Capsule endoscope apparatus |
| JP6650137B2 (en) * | 2015-11-20 | 2020-02-19 | 国立研究開発法人産業技術総合研究所 | Wireless sensor terminal |
| CN107768318B (en) * | 2016-08-18 | 2020-10-27 | 瑞芯微电子股份有限公司 | Packaging structure and packaging method of chip of Internet of things |
| JP6984168B2 (en) * | 2017-05-17 | 2021-12-17 | セイコーエプソン株式会社 | Imaging equipment and endoscope |
| CN108283480A (en) * | 2018-01-23 | 2018-07-17 | 江苏长电科技股份有限公司 | Based on the SIP control chips encapsulated and with its capsule endoscope |
| JP7332134B2 (en) * | 2019-03-29 | 2023-08-23 | ラピスセミコンダクタ株式会社 | Electronics and electronics holders |
| EP4059326B1 (en) * | 2019-11-11 | 2023-07-12 | Signify Holding B.V. | An led filament lamp and a method of producing a spiral led filament |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5519124A (en) * | 1978-07-27 | 1980-02-09 | Olympus Optical Co | Camera system for medical treatment |
| US5318557A (en) * | 1992-07-13 | 1994-06-07 | Elan Medical Technologies Limited | Medication administering device |
| JP3174213B2 (en) * | 1994-03-11 | 2001-06-11 | 株式会社カージオペーシングリサーチ・ラボラトリー | Percutaneous charging device for biological implantable devices |
| JPH11186833A (en) * | 1997-12-17 | 1999-07-09 | Tokin Corp | Helical antenna |
| JP2001091860A (en) * | 1999-09-22 | 2001-04-06 | Asahi Optical Co Ltd | Capsule endoscope |
| JP2001104241A (en) * | 1999-10-04 | 2001-04-17 | Asahi Optical Co Ltd | Capsule endoscope |
| JP2001170002A (en) * | 1999-12-20 | 2001-06-26 | Asahi Optical Co Ltd | Endoscope and capsule endoscope |
| JP4360729B2 (en) * | 2000-02-15 | 2009-11-11 | Ｈｏｙａ株式会社 | Capsule endoscope |
| JP4338280B2 (en) * | 2000-02-15 | 2009-10-07 | Ｈｏｙａ株式会社 | Capsule endoscope |
| JP2002298095A (en) * | 2001-04-02 | 2002-10-11 | Nec Tokin Corp | Non-contact type ic card reader/writer and non-contact type ic card reader |
| US20020165592A1 (en) * | 2001-04-04 | 2002-11-07 | Arkady Glukhovsky | Induction powered in vivo imaging device |
| JP2002315209A (en) * | 2001-04-09 | 2002-10-25 | Terumo Corp | Charger and system for implantable rechargeable medical equipment |
| DE10142253C1 (en) * | 2001-08-29 | 2003-04-24 | Siemens Ag | endorobot |
-
2003
- 2003-10-27 JP JP2003366575A patent/JP4520130B2/en not_active Expired - Fee Related
-
2004
- 2004-10-26 CN CNB2004800317618A patent/CN100515312C/en not_active Expired - Fee Related
- 2004-10-26 CN CNA2008100836431A patent/CN101254102A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1874714A (en) | 2006-12-06 |
| JP2005125010A (en) | 2005-05-19 |
| CN101254102A (en) | 2008-09-03 |
| JP4520130B2 (en) | 2010-08-04 |
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Granted publication date: 20090722 Termination date: 20131026 |