CN110575603A - Seal wire conveyor with visual function - Google Patents
Seal wire conveyor with visual function Download PDFInfo
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- CN110575603A CN110575603A CN201910973740.6A CN201910973740A CN110575603A CN 110575603 A CN110575603 A CN 110575603A CN 201910973740 A CN201910973740 A CN 201910973740A CN 110575603 A CN110575603 A CN 110575603A
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M2025/0166—Sensors, electrodes or the like for guiding the catheter to a target zone, e.g. image guided or magnetically guided
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09175—Guide wires having specific characteristics at the distal tip
Abstract
The invention provides a guide wire conveying device with a visual function, which is characterized by comprising a guide wire output part, a guide wire guide part and an adjusting control part, wherein the guide wire guide part comprises a guide shell, the guide shell is symmetrically arranged along a central axis, the adjusting control part controls the rotation angle of the guide wire output part relative to the central axis through the guide shell, and a guide wire output hole, an illuminating device and an image acquisition device are arranged on the end surface of the far end of the guide wire output part. The illuminating device and the image acquisition device are arranged on the end face of the far end of the guide wire output part, so that a sufficient light source for observation is arranged inside the surgical operation process, the internal influence can be continuously observed, the space of the device is small, and the structure is simple and convenient.
Description
Technical Field
The invention relates to a medical instrument, in particular to a guide wire conveying device with a visual function.
Background
Interventional therapy is a new subject integrating image diagnosis and clinical therapy, and because interventional devices are guided into human body focuses through natural ducts or tiny wounds of human bodies under the guidance of image equipment for minimally invasive therapy, the interventional devices can accurately and directly reach the local parts of pathological changes without large wounds, the interventional therapy has the advantages of accuracy, safety, high efficiency, wide application range, few complications and the like, and is a preferred treatment method for some diseases. The types of diseases that can be treated by intervention are very diverse, including almost the major diseases of the various systems and organs throughout the body.
Interventional therapy is a wide variety of techniques, and can be divided into vascular and non-vascular interventional techniques. The non-vascular interventional technique includes various percutaneous aspiration biopsy, various non-vascular cavity forming operations (including the expansion and support of strictures of urinary tract, digestive tract, respiratory tract, biliary tract and other strictures), local solid tumor killing operations (percutaneous intratumoral injection and radiofrequency ablation), cyst abscess drainage, fistulization (stomach, bladder and the like), minimally invasive cholelithiasis and nephrolithiasis calculus removal, vertebroplasty of bone metastasis or vertebral compression fracture, nerve plexus blocking operation for treating chronic pain and the like.
However, the conventional implant cannot pass through the bend of the body cavity continuously, which results in increased risk or failed operation. The guide wire can be used as a 'track' in a natural cavity of a human body, and is convenient for conveying medical devices in the natural cavity of the human body, such as a stent, a balloon and the like in the process of using an interventional therapy operation. After the guide wire passes through a long and narrow natural pore canal of a human body, a 'track' is provided for the micro medical apparatus such as a balloon catheter or a stent and the like to reach the narrow lesion part for pressurization and expansion, and the success of interventional therapy operation is achieved.
In particular, prior art guidewire delivery principles and procedures are described in related patents such as publications CN209004990U, CN208851536U, CN208582446U and CN 106823106A. Taking one of the prior arts as an example, patent application publication No. CN106823106A provides a guide wire delivery device, which includes an injector connecting part, a front delivery part and a rear delivery part are arranged above the injector connecting part, and a distance is left between the front delivery part and the rear delivery part to form a boosting space; a front conveying channel is arranged in the front conveying part, and a rear conveying channel is arranged in the rear conveying part; the front end of the front conveying part is connected with a first joint of a three-way luer joint, and the three-way luer joint is communicated with the front conveying channel; a sealing gasket is arranged between the first joint and the front conveying channel, and a cross-shaped or straight-line-shaped notch is formed in the sealing gasket; the second joint of the three-way luer joint is used for connecting a needle head, and the second joint, the first joint, the front conveying channel and the rear conveying channel are on the same straight line; a third joint of the three-way luer joint is connected with a connecting pipe; the rear end of the rear conveying part is connected with a guide wire sheath, and the guide wire sheath is communicated with the rear conveying channel.
when carrying out interventional therapy among the prior art, ultrasonic catheter and guide wire pipe are used alone usually, need withdraw from ultrasonic catheter earlier after the supersound location, then send into guide wire pipe, use the guide wire to carry out the break-through, the image that still needs ultrasonic location before keeping simultaneously carries out the contrast, complex operation, need the art person to go to control the guide wire according to the ultrasonic image before moreover, require the height to the art person, the operation is inefficient to lead to under the operation success rate.
Therefore, there is a need to provide a medical device that can continuously provide images to facilitate viewing of guidewire delivery.
disclosure of Invention
The invention aims to provide a guide wire conveying device with a visual function, which solves the technical problems that the guide wire conveying device in the prior art cannot continuously observe internal images of an operation and auxiliary equipment is complex by arranging an illuminating device and an image acquisition device on the end surface of the far end of a guide wire output part.
The technical scheme of the invention is realized as follows:
The utility model provides a seal wire conveyor with visual function, includes seal wire output portion, seal wire guide portion, regulation control portion, and seal wire guide portion is including guiding the casing, and the guide casing sets up along central axis symmetry, and regulation control portion is equipped with seal wire delivery outlet, lighting device and image acquisition device on the terminal surface of seal wire output portion distal end through the rotation angle for the central axis of guide casing control seal wire output portion.
furthermore, the illuminating device and the image acquisition device are both connected with power lines, the power lines are used for providing electric energy supplied by an external power supply for the illuminating device and the image acquisition device, and the image acquisition device is also connected with a data transmission line which is used for transmitting image signals obtained by the image acquisition device.
Furthermore, the adjusting control part comprises a rotary shell, the rotary shell is provided with a channel through which the guide wire passes, the rotary shell is fixedly connected with the guide shell, and the guide shell and the rotary shell are both provided with spaces for accommodating power lines and data transmission lines.
Further, rotatory shell outside cover is equipped with fixed shell, rotatory shell can be rotatory for fixed shell, be equipped with first conductive ring group and the conductive ring group of second between rotatory shell and the fixed shell, first conductive ring group and the conductive ring of second all with rotatory shell fixed connection, the power cord is connected with first conductive ring group electricity, data transmission line is connected with the conductive ring group electricity of second, first conductive ring group is connected with energy supply end electricity, the conductive ring group of second is connected with image data transmission end electricity.
Furthermore, the energy supply end is connected with a first conductive sheet group, the image data transmission end is connected with a second conductive sheet group, the first conductive sheet group is in contact with the first conductive ring group through the biasing force generated by the elastic deformation of the first conductive sheet group, the second conductive sheet group is in contact with the second conductive ring group through the biasing force generated by the elastic deformation of the second conductive sheet group, and the energy supply end and the image data transmission end are fixedly connected with the fixed shell.
Further, the energy supply end and the image data transmission end are integrated to be an input end and an output end.
Further, first conducting strip group includes zero line conducting strip and live wire conducting strip, and first conducting strip group includes zero line conducting strip and the live wire conductive coil that corresponds with zero line conducting strip and live wire conducting strip, and the power cord includes power zero line and power live wire, and power zero line and power live wire correspond the electricity with zero line conducting strip and live wire conductive coil respectively and are connected.
Further, the second conductive coil group comprises an image signal transmission coil, and the image signal transmission coil is electrically connected with the data transmission line.
Furthermore, the second conductive coil group further comprises an image control signal transmission coil, the image acquisition device is further electrically connected with an image control line, the image control line is simultaneously electrically connected with the image control signal transmission coil, the image control line is used for transmitting a control signal to the image acquisition device, and the control signal is used for controlling the shooting angle and/or the shooting focal length of the image acquisition device.
Furthermore, the first conducting plate group, the first conducting ring group, the second conducting plate group and the second conducting ring group are all made of conductive metal materials or alloy materials.
due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1) The illuminating device and the image acquisition device are arranged on the end face of the far end of the guide wire output part, so that a sufficient light source for observation is arranged in the operation process, the influence of the inside can be continuously observed, the space of the equipment is small, and the structure is simple and convenient;
2) The conductive coil group is externally connected with an energy supply end through the conductive coil group, and the biasing force generated by the elastic deformation of the conductive coil group is always contacted with the corresponding conductive coil group, so that the conductive coil group and the corresponding lead can rotate along with the guide wire output part, and the input and output ends keep unchanged in position, thereby being convenient for connecting external equipment;
3) The wire comprises a zero line, a live line, a data transmission line and an image control line, can continuously supply power to the lighting device and the image acquisition device, and can acquire image information and control the angle or the focal distance of the image in time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of a guide wire output part and a guide wire guiding part according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partially enlarged structure of a guide wire output portion according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a guide wire output portion with a housing removed according to an embodiment of the present invention;
FIG. 5 is a schematic view of a pull wire connection configuration at the distal end of an embodiment of the present invention;
FIG. 6 is a schematic structural view of an adjustment control section of an embodiment of the present invention with a fixed housing removed;
FIG. 7 is a schematic structural view of a pull wire on an adjustment control portion according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of the embodiment of the present invention FIG. 7 with the handle removed;
FIG. 9 is a schematic structural diagram of an input/output terminal of the embodiment of the present invention on an adjustment control part;
FIG. 10 is an enlarged view of an input-output terminal assembly of an embodiment of the present invention;
Fig. 11 is a sectional view of an adjustment control section according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
example (b):
In this embodiment, the distal end refers to the end of the principle operator when operating the instrument, the proximal end is the end that is proximal to the operator when operating the instrument, and the central axis is substantially, but not limited to, the central axis of the guide housing, and it is understood that the central axis in this embodiment is the central axis about which the entire instrument body components are symmetrical. The guide wire mentioned in the embodiment is a guide wire (or referred to as a guide wire) commonly used in surgery. As shown in fig. 1 to 11, the present embodiment provides a guide wire delivery device with a visual function, which has a small space and a simple structure, and has a sufficient light source for observation inside during a surgical procedure and can continuously observe the influence inside by providing an illumination device and an image acquisition device on the end surface of the distal end of the guide wire output part. .
Specifically, the guide wire delivery device with the visual function includes a guide wire output portion 1, a guide wire guiding portion 2, and an adjustment control portion 3, wherein the guide wire guiding portion 2 includes a guiding housing 21, the guiding housing 21 is symmetrically disposed along a central axis, the adjustment control portion 3 controls a rotation angle of the guide wire output portion 1 relative to the central axis through the guiding housing 21, and a guide wire output hole 11, an illuminating device 12, and an image acquiring device 13 are disposed on an end surface of a distal end of the guide wire output portion 1.
In the present embodiment, it is preferable that the illumination device 12 and the image capturing device 13 are both connected to a power line 14, the power line 14 is used for supplying power supplied by an external power source to the illumination device 12 and the image capturing device 13, the image capturing device 13 is further connected to a data transmission line 15, and the data transmission line 15 is used for transmitting an image signal obtained by the image capturing device.
in order to facilitate the arrangement of the wiring, the adjustment control section 3 includes a rotary housing 33, the rotary housing 33 is provided with a passage through which the guide wire passes, the rotary housing 33 is fixedly connected with the guide housing 21, and the guide housing 21 and the rotary housing 33 are each provided with a space for accommodating the power supply line 14 and the data transmission line 15.
further, rotatory shell outside cover is equipped with fixed shell 35, rotatory shell 33 can be rotatory for fixed shell 35, be equipped with first conductive circle group and second conductive circle group between rotatory shell 33 and the fixed shell 35, first conductive circle group and second conductive circle all with rotatory shell 33 fixed connection, power cord 14 is connected with first conductive circle group electricity, data transmission line 15 is connected with second conductive circle group electricity, first conductive circle group is connected with energy end 51 electricity, second conductive circle group is connected with image data transmission end 52 electricity. The energy supply end 51 is provided with a first conductive sheet group, the image data transmission end 52 is provided with a second conductive sheet group, the first conductive sheet group is contacted with the first conductive ring group through the biasing force generated by the elastic deformation of the first conductive sheet group, the second conductive sheet group is contacted with the second conductive ring group through the biasing force generated by the elastic deformation of the second conductive sheet group, and the energy supply end 51 and the image data transmission end 52 are both fixedly connected with the fixed shell 35. Specifically, in order to facilitate uniform installation adaptation, the power supply terminal 51 and the image data transmission terminal 52 are integrally provided as one input/output terminal 5.
In this embodiment, a specific line connection relationship is that the first conductive sheet group includes a zero line conductive sheet 511 and a live line conductive sheet 512, the first conductive coil group includes a zero line conductive coil 513 and a live line conductive coil 514 that are respectively connected to the zero line conductive sheet 511 and the live line conductive sheet 512, the power cord 14 includes a power supply zero line 141 and a power supply live line 142, and the power supply zero line 141 and the power supply live line 142 are respectively electrically connected to the zero line conductive coil 513 and the live line conductive coil 514.
Specifically, the second conductive sheet group is provided with an image signal transmission sheet 521, the second conductive coil group includes an image signal transmission coil 523, the image signal transmission sheet 521 is correspondingly connected with the image signal transmission coil 523, and the image signal transmission coil 523 is electrically connected with the data transmission line 15. The second conductive sheet set is provided with a control signal sheet 522, the second conductive sheet set further includes an image control signal transmission ring 524, the control signal sheet 522 is electrically connected to the image control signal transmission ring 524, the image capturing device 13 is further electrically connected to an image control line 16, the image control line 16 is electrically connected to the image control signal transmission ring 5222, the image control line 16 is used for transmitting a control signal to the image capturing device 13, and the control signal is used for controlling the shooting angle and/or the shooting focal length of the image capturing device 13.
Preferably, the first conducting plate group, the first conducting ring group, the second conducting plate group and the second conducting ring group are all made of conductive metal materials or conductive alloy materials. In this embodiment, a copper sheet.
The application and function of the present application in a particular device is further described below in conjunction with the particular design of the overall structure: the embodiment describes a guide wire delivery device, and the guide wire is specifically a guide wire for operation, and the device of the embodiment is used for delivering the corresponding guide wire into a human body in the operation process, so that the guide wire passes through a coronary artery stenosis or occlusion lesion to the far end of a blood vessel, and a track is provided for a balloon catheter or a stent to reach the stenosis for pressurization and expansion.
Specifically, the present embodiment includes a guide wire output portion 1, a guide wire guiding portion 2, and an adjustment control portion 3, which are sequentially arranged from a distal end to a proximal end, where the adjustment control portion 3 is configured to control the orientation of the guide wire output portion 1, specifically, to control the rotation of the guide wire output portion 1 in the axial direction and the bending of the guide wire output portion 1 relative to the guide wire guiding portion 2. The guiding guide wire for operation enters the device through the guide wire input part 7, finally is output from the guide wire output hole 11 of the guide wire output part 1 after passing through the adjusting control part 3 and the guide wire guide part 2, and enters the human body duct to realize the guiding function.
the principle of realizing bending is as follows: one end of the traction wire 4 is connected to the proximal end of the guide wire output part 1, the other end of the traction wire 4 is connected to the bending control member 31 of the adjusting control part 3, the guide wire guiding part 2 comprises a guiding shell 21, and here, for convenience of description, the central axis of the guiding shell 21 is taken as the central axis of the whole guide wire conveying device.
In order to facilitate the bending of the guide wire output part 1 relative to the guide wire guide part 2, one end of the guide housing 21 is provided with a first flexible bending part 22, one end of the first flexible bending part 22 is connected with the guide wire output part 2, one end of the bending control part 31 is connected with a second flexible bending part 32, and the first flexible bending part 22 and the second flexible bending part 32 are both made of high molecular elastic materials and are in hollow structures. By controlling the bending of the bending control member 31, the pulling wire 4 is driven to pull the distal guide wire output part 1, and the guide wire output part 1 is correspondingly bent due to the distance difference generated by the plurality of pulling wires 4.
In this embodiment, the distance from the contact point of the traction wire 4 with the guide wire output 1 to the central axis is preferably smaller than the distance from the contact point of the traction wire 4 with the bending control member 31 to the central axis.
Such setting makes the pull wire at the distal end, and the one end of connecting the seal wire output portion is less than the pull wire other end apart from the distance of central axis on adjusting the control portion apart from the distance of central axis promptly, and when the first angle was buckled to the control piece of buckling of control portion, it moved first distance to drive the pull wire, correspondingly, the pull wire also moved first distance in the one end of seal wire output portion, and because the near reason of pull wire one end apart from the central axis, the second angle will be buckled to the seal wire output portion, and the second angle is greater than first angle.
in order to achieve that the distance of the contact point of the traction wire 4 with the guide wire delivery part 1 to the central axis is smaller than the distance of the contact point of the traction wire 4 with the bending control member 31 to the central axis, in particular, in this embodiment, the other end of the guide housing 21 is provided with the traction wire guide 6, the traction wire guide 6 comprises an expansion part 61 and a horizontal part 62 which are arranged from the distal end to the proximal end, and the traction wire 4 passes through the inside of the guide housing 21 and is arranged along the outer surfaces of the expansion part 61 and the horizontal part 62.
The flared portion 61 has a tapered surface, and the horizontal portion 62 has a cylindrical side surface, the maximum outer diameter of the tapered surface being equal to the outer diameter of the cylindrical side surface. The expansion part 61 is provided with a traction wire guide groove 63 matched with the traction wire 4, so that the direction of the traction wire 4 is more accurately guided, and the dislocation problem of the traction wire 4 can not occur.
Further, the guide wire output part 1 of the present embodiment can also rotate along the central axis, and the specific implementation structure in the present embodiment is: the adjusting control part 3 comprises a rotating shell 33, the rotating shell 33 is provided with a channel for the guide wire to pass through, one end of the rotating shell 33 is fixedly connected with the guide shell 21, a rotating wheel 34 is externally connected with the rotating shell 33, and the traction wire guide part 5 is arranged inside the rotating shell 33 and is fixedly connected with the rotating shell 33. The operator drives rotatory shell 33 through swiveling wheel 34 and rotates to further drive guide housing 21 and rotate until the relative central axis of seal wire output portion 1, thereby make the regulation of the direction of buckling not only can be carried out to the device of this embodiment's distal end seal wire output portion 1, can also realize rotatory regulation, thereby make and adjust more diversification, satisfy the more demand of operator.
The variation of the angle from one end to the other end of the pulling wire 4 is a first angle α, and optionally the range of the first angle value is 170 ° and 190 °, so that the angle is kept as close to 180 °, preferably 180 °, as possible, i.e. the connecting line of one end and the other end of the pulling wire 4 just intersects with the central axis. When can making the handle down buckle like this, the control 31 of buckling of regulation control portion 3 is buckled downwards, and the traction wire 4 that drives to be located the upside is tensile, correspondingly, the traction wire of the downside of seal wire output portion 1 corresponds the same traction wire of 3 upsides of regulation control portion promptly, is pulled to the near-end to drive seal wire output portion 1 and also buckle down in step, when the handle was buckled up, seal wire output portion 1 was also buckled up in step.
Specifically, the angle change of the pulling wire is more clearly defined by a reference line, a ray which takes one end of the pulling wire 4 as a starting point and is perpendicular to the central axis is a first ray, a straight line which takes the other end of the pulling wire 4 as a starting point and is perpendicular to the central axis is a second ray, and an included angle between the first ray and the second ray corresponding to each pulling wire 4 is 180 °. Follow one end to the other end promptly along the pull wire, the angle change around the center pin is 180, make to accord with ergonomic more like this, the control part that buckles when adjusting control portion 3 goes up the direction and buckles pulling pull wire 4, 4 one ends of pull wire that the tip of seal wire output portion 1 corresponds are owing to being located the central axis both sides at the other end with the pull wire that adjusts control portion 3 and correspond, therefore when pull wire 4 pulls toward certain direction, the control part that the control of buckling was buckled on seal wire output portion 1 and the regulation control portion 3 is buckled at same direction, accord with ergonomic more.
The far end of the guide wire output part 1 is provided with a guide wire output hole 11, at least one illuminating device 12 and at least one image acquiring device 13, and the illuminating device 12 and the image acquiring device 13 are arranged on the end face of the far end of the guide wire output part 1, so that a sufficient light source for observation is arranged inside the surgical operation process, the influence inside the surgical operation process can be continuously observed, and the equipment space is small in structure;
The illuminating device 12 and the image acquiring device 13 are both connected with a power line 14, the power line 14 is used for providing electric energy supplied by an external power supply to the illuminating device 12 and the image acquiring device 13, the image acquiring device 13 is also connected with a data transmission line 15, and the data transmission line 15 is used for being connected with an external display device or a data collecting device and used for transmitting image signals acquired by the image acquiring device. In this embodiment, the lighting devices 12 are specifically LED lamps, specifically three, and the image capturing devices 13 are one and four evenly arranged, that is, the adjacent intervals of the four elements are all set at 90 degrees.
in order to match the above arrangement, a traction through hole, an electric wire through hole, and a guide wire delivery through hole for the traction wire 4 to pass through are provided in the guide housing 21, the traction through hole, the electric wire through hole, and the guide wire delivery through hole may be one or more, and two or three of the traction through hole, the electric wire through hole, and the guide wire delivery through hole may share one cavity, or may be respectively and independently provided.
the illumination means 12, preferably LED lamps, the image acquisition device can be a miniature camera, specifically, the input/output end 5 includes an energy supply end 51 and an image data transmission end 52, the energy supply end 51 is connected with a first conductive sheet set, the image data transmission terminal 52 is connected to a second conductive sheet set, the first conductive sheet set contacts with the first conductive ring set, when the first conductive ring set rotates, the first conductive sheet group is always contacted with the first conductive coil group through the bias force generated by the elastic deformation of the first conductive sheet group, the conductive coil group is arranged to be externally connected with an energy supply end through the conductive sheet group, and the bias force generated by the self elastic deformation of the conductive sheet group is always contacted with the corresponding conductive ring group, the conductive coil group and the corresponding lead can rotate along with the guide wire output part, and the input and output ends keep unchanged in position so as to be conveniently connected with external equipment;
The second conductive sheet group is in contact with the second conductive ring group, when the second conductive ring group rotates, the second conductive sheet group is always in contact with the second conductive ring group through the biasing force generated by the elastic deformation of the second conductive sheet group, and the energy supply end 51 and the image data transmission end 52 are both fixedly connected with the fixed shell 35.
A plurality of conductive coil groups are externally connected with an energy supply end through a conductive coil group, so that the conductive coil groups and corresponding leads can rotate together with the guide wire output part, and the input and output ends keep unchanged in position, thereby being convenient for connecting external equipment;
The first conducting strip group comprises a zero line conducting strip 511 and a live line conducting strip 512, the first conducting strip group comprises a zero line conducting strip 513 and a live line conducting strip 514 which are correspondingly connected with the zero line conducting strip 511 and the live line conducting strip 512 respectively, the power line 14 comprises a power supply zero line 141 and a power supply live line 142, and the power supply zero line 141 and the power supply live line 142 are correspondingly electrically connected with the zero line conducting strip 513 and the live line conducting strip 514 respectively.
The connection positions of the power supply zero line 141 and the power supply live line 142, the zero line conductive coil 511 and the live line conductive coil 512 may be one, the power supply live line 142 and the power supply zero line 141 are divided into a plurality of power supplies which are respectively connected with the lighting device 12 and the image acquisition device 13 to provide energy, in other embodiments, one ends of the plurality of zero line conductive coils 513 are connected with the zero line conductive coil 513, the other ends of the plurality of zero line conductive coils are respectively electrically connected with the plurality of lighting devices 12 and the image acquisition device 13, the live line conductive coils 514 at one ends of the plurality of power supply live lines 142 are correspondingly electrically connected, and the other ends of the plurality of power supplies are respectively electrically. The second conductive coil group includes an image signal transmission coil 523, and the image signal transmission coil 523 is electrically connected to the data transmission line 15.
The second conductive sheet group is provided with an image signal transmission sheet 521, the second conductive ring group comprises an image signal transmission ring 523, the image signal transmission sheet 521 is correspondingly connected with the image signal transmission ring 523, and the image signal transmission ring 523 is electrically connected with the data transmission line 15.
The second conductive sheet set is provided with a control signal sheet 522, the second conductive sheet set further includes an image control signal transmission ring 524, the control signal sheet 522 is electrically connected to the image control signal transmission ring 524, the image capturing device 13 is further electrically connected to an image control line 16, the image control line 16 is electrically connected to the image control signal transmission ring 5222, the image control line 16 is used for transmitting a control signal to the image capturing device 13, and the control signal is used for controlling the shooting angle and/or the shooting focal length of the image capturing device 13.
the first conductive sheet group, the first conductive ring group, the second conductive sheet group and the second conductive ring group are all made of conductive metal materials or conductive alloy materials, and further, the first conductive sheet group and the second conductive sheet group are all made of elastic metal materials, such as elastic iron sheets or copper sheets. The power line 14, the data transmission line 15 and the image control line 16 are electrical signal transmission conductors commonly used in the prior art, the power line is the most common conductor for transmitting electrical energy, and the data transmission line and the image control line can also transmit data and instructions by electrical signals by using common data lines.
In other alternative embodiments, the data transmission line 15 may also be electrically connected to a wireless transmitting device, and the wireless transmitting device is connected to a display device in a communication manner, so that the acquired image signal can be directly transmitted to a data receiving device or a display device connected to the wireless transmitting device in a communication manner.
The purpose of setting up conductive coil group is for when lines such as power cord, data transmission line set up inside, when the device of this application is when the rotatory regulation of central axis is followed today, power cord, data transmission line can follow and rotate together. However, since the output terminal 5 is electrically connected to some fixed devices, such as a power supply, a display device, etc., the output terminal 5 preferably does not rotate together with the rest of the rotation adjusting components, and the arrangement for achieving this purpose is a conductive coil set.
specifically, the adjustment control portion 3 includes a rotating housing 33, the rotating housing 33 is a hollow structure and has a channel for passing a guide wire, the rotating housing 33 is fixedly connected to the guiding housing 21, and the guiding housing 21 and the rotating housing 33 are both provided with a space for accommodating the power line 14 and the data transmission line 15, specifically, the space is an accommodating cavity or a groove, in this embodiment, the guiding housing 21 has two circuit accommodating cavities for accommodating the data transmission line 15 and the power line 14, respectively, the surface of the rotating housing 33 is formed with a circuit groove 331 for accommodating the data transmission line 15 and the power line 14, two circuit communicating grooves 332 are formed on two sides of the rotating housing 33, so that the transmission line 15 and the image control line 16 can enter the line accommodating chamber through the rotary case 33 through the line communicating groove 332 on one side, and the power neutral 141 and the power live 142 of the power supply line 14 can enter the line accommodating chamber through the rotary case 33 through the line communicating groove 332 on the other side. A first conductive ring group 512 and a second conductive ring group 522 are arranged between the rotary shell 33 and the fixed shell 35, the first conductive ring group 512 and the second conductive ring group 522 are both fixedly connected with the rotary shell 33, the power line 14 is electrically connected with the first conductive ring group 512, the data transmission line 15 is electrically connected with the second conductive ring group 522, the first conductive ring group 512 is electrically connected with the energy supply end 51, and the second conductive ring group is electrically connected with the image data transmission end 52.
the rotating shell 33 is externally connected with a rotating wheel 34, a fixed shell 35 is sleeved outside the rotating shell 33, the fixed shell 35 is provided with an opening through which the rotating wheel 34 penetrates, and the rotating shell 33 can rotate relative to the fixed shell 35. The stationary housing 35 facilitates gripping.
The adjusting control part 3 further comprises a handle 36, a handle sleeve 361 is arranged at one end of the handle 36, the handle sleeve 361 and the shell of the handle 36 are integrally formed, the clamping part 311 of the bending control part 31 is arranged in the handle sleeve 361, and the bending control part 31 and the handle sleeve 361 can rotate mutually along the direction of the central axis.
The adjusting control part further comprises a locking ring 38 and a limiting sleeve 37, the limiting sleeve 37 is sleeved on the handle clamping sleeve 361, the inner surface of the limiting sleeve 37 is matched with the outer surface of the handle clamping sleeve 361, the locking ring 38 is sleeved on the limiting sleeve 37, and the conical inner surface of the locking ring 38 is matched with the conical outer surface of the limiting sleeve 37.
The stop collar 37 is made of an elastic material, and the tapered inner surface of the locking ring 38 and the tapered outer surface of the stop collar 37 are screw-fitted.
the arrangement enables the bending control member 31 and the handle sleeve 361 to rotate along the central axis direction when the rotating wheel 34 is adjusted, so that the handle does not need to rotate together during rotation adjustment, and during bending adjustment, the handle can drive the clamping portion 311 of the bending control member 31 to bend together relative to the central axis direction because the clamping portion 311 of the bending control member 31 is arranged in the handle sleeve 361, thereby driving the guide wire output end 1 to bend. The handle 36 can rotate coaxially relative to the clamping portion 311, and the handle 36 and the clamping portion 311 are axially fixed relatively, so that the handle 36 cannot fall off from the clamping head 311, is integrally formed with the shell of the handle 36, and is indirectly fixedly connected with the clamping portion 311. The limiting sleeve 37 is sleeved on the handle cutting sleeve 361, when the limiting sleeve 37 contracts inwards, the limiting sleeve 37 and the handle cutting sleeve 361 generate large friction force, so that the handle cutting sleeve 361 can be fixed at a certain angle, namely when the bending control piece 31 drives the second flexible bending piece 32 to rotate to a certain angle, the bending angle of the bending control piece 31 is fixed by controlling the contraction of the limiting sleeve 37, and the bending angle of the guide wire output part 1 at the far end is also fixed.
The shrinkage of the control limit sleeve 37 is controlled by a limit ring sleeved on the limit sleeve 37, the locking ring 38 is sleeved on the limit sleeve 37, the tapered inner surface of the locking ring 38 is matched with the tapered outer surface of the limit sleeve 37, and the two are in threaded fit connection, so that when the locking ring 38 is shrunk by rotation, the locking ring 38 moves axially relative to the limit sleeve, and the limit sleeve 37 shrinks inwards or restores and expands according to the elastic restoring force of the locking ring 38.
The handle cutting sleeve 361 is made of elastic materials, the outer surface of the handle cutting sleeve 361 is matched with the inner surface of the adjusting limiting sleeve 37 in shape, and when the adjusting limiting sleeve 37 moves towards the near end, the handle cutting sleeve 361 is squeezed to contract inwards. Optionally, the handle sleeve 361 has a tapered outer surface, the adjustment limiting sleeve 37 has a tapered inner surface, and when the two move relatively, the adjustment limiting sleeve 37 has a tapered inner surface to press the tapered outer surface of the handle sleeve 361, so that the adjustment limiting sleeve deforms, thereby fixing the handle 36 relative to the clamping head 311, and further fixing the direction of the guide wire output part 1 at a certain angle.
In this embodiment, the distance from the outer surface of the handle sleeve 361 to the central axis is increased from the proximal end to the distal end and then decreased, and the inner surface shape of the adjustment limiting sleeve 37 is matched with the outer surface of the handle sleeve 361, so that when the handle sleeve 361 moves to the distal end, the outer surface of the handle sleeve is further compressed. Preferably, the outer surface of the handle ferrule 361 is threadedly engaged with the inner surface of the adjustment stop collar 37.
As described above, the present invention has been explained fully in accordance with the gist of the present invention, but the present invention is not limited to the above-described embodiments and implementation methods, and features of the embodiments may be combined with each other without contradiction. A practitioner of the related art can make various changes and implementations within a range allowed by the technical idea of the present invention.
Claims (10)
1. The guide wire conveying device with the visual function is characterized by comprising a guide wire output part (1), a guide wire guiding part (2) and an adjusting control part (3), wherein the guide wire guiding part (2) comprises a guiding shell (21), the guiding shell (21) is symmetrically arranged along the central axis, the adjusting control part (3) controls the rotating angle of the guide wire output part (1) relative to the central axis through the guiding shell (21), and a guide wire output hole (11), an illuminating device (12) and an image acquisition device (13) are formed in the end face of the far end of the guide wire output part (1).
2. The visual guidewire delivery device according to claim 1, wherein the illumination device (12) and the image capturing device (13) are connected to a power line (14), the power line (14) is used for supplying electric power supplied by an external power source to the illumination device (12) and the image capturing device (13), the image capturing device (13) is further connected to a data transmission line (15), and the data transmission line (15) is used for transmitting image signals obtained by the image capturing device.
3. A visual guidewire delivery device according to claim 2, wherein the adjustment control part (3) comprises a rotary housing (33), the rotary housing (33) is provided with a passage for the guidewire to pass through, the rotary housing (33) is fixedly connected with the guide housing (21), and the guide housing (21) and the rotary housing (33) are each provided with a space for accommodating the power supply wire (14) and the data transmission wire (15).
4. The guide wire conveying device with the visual function according to claim 3, wherein a fixed shell (35) is sleeved outside the rotating shell, the rotating shell (33) can rotate relative to the fixed shell (35), a first conductive ring set and a second conductive ring set are arranged between the rotating shell (33) and the fixed shell (35), the first conductive ring set and the second conductive ring set are fixedly connected with the rotating shell (33), the power line (14) is electrically connected with the first conductive ring set, the data transmission line (15) is electrically connected with the second conductive ring set, the first conductive ring set is electrically connected with the energy supply end (51), and the second conductive ring set is electrically connected with the image data transmission end (52).
5. The guidewire delivery device with the visual function according to claim 4, wherein the energy supply end (51) has a first conductive sheet set, the image data transmission end (52) has a second conductive sheet set, the first conductive sheet set contacts with the first conductive ring set through a biasing force generated by self elastic deformation, the second conductive sheet set contacts with the second conductive ring set through a biasing force generated by self elastic deformation, and the energy supply end (51) and the image data transmission end (52) are both fixedly connected with the fixed shell (35).
6. A visual-enabled guidewire delivery device according to claim 4, wherein the energy supply port (51) is integrated with the image data transmission port (52) to provide an input/output port (5).
7. The visual guide wire conveying device according to claim 4, wherein the first conductive coil group comprises a neutral conductive coil (511) and a live conductive coil (512), the first conductive coil group comprises a neutral conductive coil (513) and a live conductive coil (514) which are respectively connected with the neutral conductive coil (511) and the live conductive coil (512), the power line (14) comprises a power neutral (141) and a power live (142), and the power neutral (141) and the power live (142) are respectively electrically connected with the neutral conductive coil (513) and the live conductive coil (514).
8. The visual guidewire delivery device according to claim 5, wherein the second conductive sheet group is provided with an image signal transmission sheet (521), the second conductive ring group comprises an image signal transmission ring (523), the image signal transmission sheet (521) is correspondingly connected with the image signal transmission ring (523), and the image signal transmission ring (523) is electrically connected with the data transmission line (15).
9. The guidewire delivery device with the visual function according to claim 8, wherein the second conductive sheet set is provided with a control signal sheet (522), the second conductive sheet set further comprises an image control signal transmission ring (524), the control signal sheet (522) is electrically connected with the image control signal transmission ring (524) correspondingly, the image acquisition device (13) is further electrically connected with an image control line (16), the image control line (16) is electrically connected with the image control signal transmission ring (5222) at the same time, the image control line (16) is used for transmitting a control signal to the image acquisition device (13), and the control signal is used for controlling the shooting angle and/or the shooting focal length of the image acquisition device (13).
10. The visual guidewire delivery device according to claim 4, wherein the first conductive sheet set, the first conductive ring set, the second conductive sheet set and the second conductive ring set are made of conductive metal material or conductive alloy material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973740.6A CN110575603A (en) | 2019-10-14 | 2019-10-14 | Seal wire conveyor with visual function |
| PCT/CN2020/114277 WO2021073320A1 (en) | 2019-10-14 | 2020-09-09 | Guidewire conveying apparatus having visual function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973740.6A CN110575603A (en) | 2019-10-14 | 2019-10-14 | Seal wire conveyor with visual function |
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| Publication Number | Publication Date |
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| CN110575603A true CN110575603A (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910973740.6A Pending CN110575603A (en) | 2019-10-14 | 2019-10-14 | Seal wire conveyor with visual function |
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| Country | Link |
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| CN (1) | CN110575603A (en) |
| WO (1) | WO2021073320A1 (en) |
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| WO2021073320A1 (en) * | 2019-10-14 | 2021-04-22 | 苏州法兰克曼医疗器械有限公司 | Guidewire conveying apparatus having visual function |
| WO2021073319A1 (en) * | 2019-10-14 | 2021-04-22 | 苏州法兰克曼医疗器械有限公司 | Medical instrument with angle adjustment device |
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| WO2021073320A1 (en) | 2021-04-22 |
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