CN105268103B - External rechargeable implantation medical instrument - Google Patents
External rechargeable implantation medical instrument Download PDFInfo
- Publication number
- CN105268103B CN105268103B CN201510802342.XA CN201510802342A CN105268103B CN 105268103 B CN105268103 B CN 105268103B CN 201510802342 A CN201510802342 A CN 201510802342A CN 105268103 B CN105268103 B CN 105268103B
- Authority
- CN
- China
- Prior art keywords
- heat conduction
- screen layer
- rechargeable
- conduction screen
- rechargeable battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002513 implantation Methods 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000004936 stimulating effect Effects 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 133
- 239000011241 protective layer Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 238000001727 in vivo Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 7
- 239000003575 carbonaceous material Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 230000000638 stimulation Effects 0.000 description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 229910052719 titanium Inorganic materials 0.000 description 10
- 210000004556 brain Anatomy 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000003902 lesion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002238 carbon nanotube film Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- GQNXNQMGZJWJKB-UHFFFAOYSA-N [Cl].S(O)(O)=O Chemical compound [Cl].S(O)(O)=O GQNXNQMGZJWJKB-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The present invention relates to a kind of external rechargeable implantation medical instrument, it includes：One external charging device；And an et al. Ke device, the et al. Ke device include：One impulse generator and a stimulating electrode；The impulse generator is arranged at rechargeable energy receiving coil inside the rechargeable battery periphery including a housing, a lid being used cooperatively with the housing, a rechargeable battery being arranged in the housing and one；Wherein, the impulse generator further comprises a heat conduction screen layer being arranged between the rechargeable battery and the lid.External rechargeable implantation medical instrument provided by the invention can be electromagnetically shielded by heat conduction screen layer to the rechargeable battery, so as to avoid the external charging device from being vortexed and produce heat to being produced on the metal shell of the rechargeable battery during internal rechargeable energy receiving coil wireless energy transmission, so as to effectively reduce rechargeable battery excessive heat.
Description
Technical field
The present invention relates to a kind of implantation medical equipment, particularly a kind of external rechargeable implantation medical instrument.
Background technology
Implantation medical equipment species is a lot, such as pacemaker and spinal stimulator, embedded nerve stimulator.Plant
Enter formula Medical Instruments and generally comprise et al. Ke device and outer control device, exchanged believe by bidirectional wireless communication between the two
Breath.
In existing technology, implantation medical equipment typically utilizes battery powered, sends the boost pulse of specific frequency,
Long-time stimulus is carried out to specific target spot, so as to improve the symptom of patient.However, the implantable medical instrument powered using galvanic cell
Device prevailing price is higher, but the life-span is mostly shorter.The principal element in limitation implantation medical equipment life-span is the capacity of battery, existing
Some implantation medical equipment products are powered using the lithium primary cell of high-energy-density more, such as the sulfurous acid chlorine battery of lithium one and
Lithium-polyfluorinated organic carbon battery etc..Once the energy content of battery exhausts, patient just has to undergo surgery again, changes implantable medical instrument
Device, only patient does not cause the wound on body, and expensive price also brings huge economic pressures for patient.
In order to extend the service life of implantation medical equipment, external rechargeable implantation medical instrument is developed.So
And the external rechargeable implantation medical instrument generally includes the outer titanium shell of a metal and the rechargeable battery of titanium shell encapsulation, therefore,
During external wireless charging, vortex can be all produced so as to produce heat on the rechargeable battery that outer titanium shell and titanium shell encapsulate
Raise the temperature of the implanted component of battery or even whole implantation medical equipment.And the heating of implanted component excess can be to human body
Produce harmful effect.Especially battery temperature raises, and may influence the life-span of battery.
The content of the invention
In view of this, it is necessory to provide a kind of implantable medical that can effectively reduce implanted component battery excessive heat
Instrument.
A kind of external rechargeable implantation medical instrument, it includes：One external charging device；And an et al. Ke device,
The et al. Ke device includes：One impulse generator and a stimulating electrode；The impulse generator include a housing, one with
Lid that the housing is used cooperatively, a rechargeable battery being arranged in the housing and one are arranged at the body of rechargeable battery periphery
Interior rechargeable energy receiving coil；The lid forms the metal shell of the impulse generator with the housing, and the pulse is sent out
The metal shell electric insulation of the metal shell of raw device and the rechargeable battery is set；Wherein, the impulse generator further wraps
Include a heat conduction screen layer being arranged between the rechargeable battery and the lid.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the heat conduction screen layer is arranged at the rechargeable battery
Metal shell surface or the inner surface for being arranged at the lid.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the heat conduction screen layer includes one first heat conduction screen layer
An and second heat conduction screen layer being stacked with the first heat conduction screen layer；The first heat conduction screen layer and the second heat conduction
Screen layer is to be formed by the way that a monoblock shielding material is folded；The second heat conduction screen layer is arranged at the gold of the rechargeable battery
Belong on shell, the first heat conduction screen layer is arranged on the lid.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that it is raised that the inner surface of the lid forms multiple first；Institute
State the first heat conduction screen layer has multiple first perforates on the surface close to the lid；The multiple first projection is inserted respectively
Setting is contacted in the plurality of first perforate and with the inner surface of the plurality of first perforate.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the metal shell surface of the rechargeable battery forms multiple
Second is raised；The second heat conduction screen layer has multiple second perforates on the surface close to the rechargeable battery；It is the multiple
Second projection is inserted in the plurality of second perforate and contacts setting with the inner surface of the plurality of second perforate respectively.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the heat conduction screen layer includes multiple parallel to the heat conduction
The CNT of layer surface is shielded, and described the is extended to from the first heat conduction screen layer after the bending of the multiple CNT
Two heat conduction screen layers；The multiple CNT disconnects the end for forming multiple exposures in first perforate or the second perforate
Portion；Described first raised or the second raised side and the ends contact of the multiple CNT exposure are set.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the shape of the heat conduction screen layer and the charging in vivo
The shape of energy acceptance coil is identical, and size is less than the internal diameter of the rechargeable energy receiving coil in vivo, so that described
Heat conduction screen layer all covers the element inside rechargeable energy receiving coil in vivo and space.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the heat conduction screen layer is prepared using conductive carbon material；Institute
Conductive carbon material is stated as the one or more in carbon fiber, CNT, graphite flake and graphene.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the heat conduction screen layer also includes multiple metallic conductions
Grain；The metallic conduction particle is arranged in the heat conduction screen layer or is arranged at the heat conduction screen layer and the rechargeable battery
Or the surface of the lid contact.
Above-mentioned external rechargeable implantation medical instrument, it is preferable that the impulse generator further comprises an insulation protection
Layer, the insulating protective layer is arranged between the heat conduction screen layer and the metal shell of the rechargeable battery, or is arranged at institute
State between heat conduction screen layer and the lid.
Compared with prior art, external rechargeable implantation medical instrument provided by the invention can be with by heat conduction screen layer
The rechargeable battery is electromagnetically shielded, so as to avoid the external charging device wireless to internal rechargeable energy receiving coil
Energy produces vortex on the metal shell of the rechargeable battery and produces heat during launching, so as to effectively reduce charging
Battery excessive heat.Further, the heat conduction screen layer can also carry out heat conduction to the rechargeable battery, by the rechargeable battery
Heat exported by the metal shell of the impulse generator to human body.
Brief description of the drawings
Fig. 1 is the structural representation of external rechargeable implantation medical instrument provided in an embodiment of the present invention.
Fig. 2 for comparative example of the present invention provide inside implanted device structural representation.
Fig. 3 is the structural representation of implanted device inside the embodiment of the present invention 1 provides.
Fig. 4 is the structural representation of implanted device inside the embodiment of the present invention 2 provides.
Fig. 5-6 is the structural representation of implanted device inside the embodiment of the present invention 3 provides.
Fig. 7 for comparative example of the present invention provide inside temperature change of the implanted device during wireless charging test knot
Fruit.
Fig. 8 is temperature change test of the implanted device during wireless charging inside the embodiment of the present invention 1 provides
As a result.
Fig. 9 is temperature change test of the implanted device during wireless charging inside the embodiment of the present invention 2 provides
As a result.
Main element symbol description
| Implanted lesions located in deep brain device system | 10 |
| Et al. Ke device | 12 |
| Impulse generator | 120 |
| Extension lead | 121 |
| Stimulating electrode | 122 |
| Housing | 123 |
| Lid | 124 |
| First is raised | 1242 |
| Rechargeable battery | 125 |
| Second is raised | 1252 |
| Internal rechargeable energy receiving coil | 126 |
| Heat conduction screen layer | 127 |
| First heat conduction screen layer | 1271 |
| Second heat conduction screen layer | 1272 |
| CNT | 1273 |
| Insulating protective layer | 128 |
| External charging device | 14 |
| External charge coil | 140 |
| Charge controller | 142 |
| Charging conductor | 146 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments, external rechargeable implantation medical instrument provided by the invention is made into one
The detailed description of step.
It is appreciated that external rechargeable implantation medical instrument scheme provided by the invention is applied to pacemaker, brain depth
Other similar stimulators such as portion's egersimeter, spinal stimulator, gastric stimulator.The embodiment of the present invention is only with implanted brain deep
Illustrated exemplified by egersimeter.
Fig. 1 is referred to, the embodiment of the present invention provides a kind of implanted lesions located in deep brain device system 10, and it includes：One
It is implanted into 12 and one external charging device 14 of device.Implantation within a patient when the et al. Ke device 12 uses, for suffering from
Person applies electric-impulse stimulation.The external charging device 14 is used to carry out external wireless charging for the et al. Ke device 12.
It is appreciated that the implanted lesions located in deep brain device system 10, which can also include one, is used for the program control et al. Ke device 12
Outer control device（It is not shown）.The structure of the outer control device is unlimited, for adjusting the arteries and veins of the et al. Ke device 12
Rush parameter, such as amplitude, frequency etc..
The et al. Ke device 12 includes an impulse generator 120, a stimulating electrode 122, and one connects the stimulating electrode
122 and the extension lead 121 of impulse generator 120.The impulse generator 120 produces specific electric stimulation pulse signal, and
Stimulation location is conducted to by the extension lead 121 and stimulating electrode 122 and carries out stimulation regulation and control.The point of stimulating electrode 122
End has multiple contacts, and after stimulating electrode 122 is implanted into target position, at least one contact contacts tightly with stimulation target spot
It is close, appropriate electro photoluminescence is conducted to target spot, treats the disease of neural class.It is appreciated that according to stimulation target spot needs, it is described
The contact number of stimulating electrode 122 can be one or more, to ensure effect of stimulation.It is appreciated that the stimulating electrode
122 number is not limited to one, can select as needed.The extension lead 121 is an optional element, the stimulating electrode
122 can be directly connected on the impulse generator 120.
Please with further reference to Fig. 2-4, the impulse generator 120, which includes a housing 123, one and the housing 123 cooperation, to be made
The rechargeable battery 125, one that lid 124, one is arranged in the housing 123 is arranged inside the periphery of rechargeable battery 125
The heat conduction screen layer 127 of rechargeable energy receiving coil 126 and one.
The housing 123 and lid 124 collectively form the shell of the impulse generator 120, for housing and sealing institute
State rechargeable battery 125 and the grade element of rechargeable energy receiving coil 126 or the module in vivo.The housing 123 and lid 124
Prepared using the metal material of bio-compatible.In the present embodiment, the material of the housing 123 and lid 124 is titanium.
Specifically, the rechargeable battery 125 is arranged in the housing 123, and the rechargeable energy receiving coil 126 in vivo is around institute
Rechargeable battery 125 is stated to set.After the lid 124 seals the housing 123, the rechargeable battery 125 and in vivo charging
Energy acceptance coil 126 is set close to the side of lid 124.After the implantation within a patient of impulse generator 120, the lid
Body 124 is close to skin surface side, in order to which the external charging device 14 passes through the rechargeable energy receiving coil 126 in vivo
Charged to the rechargeable battery 125.
The heat conduction screen layer 127 is arranged between the rechargeable battery 125 and the lid 124.The heat conduction shielding
Layer 127 main function be：On the one hand, the rechargeable battery 125 is electromagnetically shielded, so as to avoid the external charging dress
14 are put by the external charge coil 140, during the internal wireless energy transmission of rechargeable energy receiving coil 126,
Vortex is produced on the encapsulation titanium shell of the rechargeable battery 125 so as to produce heat；On the other hand, the rechargeable battery 125 is filled
Heat caused by electric process is conducted to the lid 124, to be radiated by the lid 124 to tissue.The heat conduction shielding
Layer 127 is prepared using nonmetallic materials, and sheet metal produces heat due to eddy current effect during avoiding wireless charging.Preferably,
The heat conduction screen layer 127 uses conductive carbon material, such as carbon fiber, CNT, graphite flake and graphene etc..Enter one
Step, the heat conduction screen layer 127 can also include multiple metallic conduction particles to improve heat conductivility.The metallic conduction particle
It can be arranged in the heat conduction screen layer 127 or be arranged at the heat conduction screen layer 127 and the rechargeable battery 125 or described
The surface that lid 124 contacts.Preferably, metallic particles part is made to slip into the heat conduction by extruding the heat conduction screen layer 127
Inside screen layer 127, rechargeable battery 125 or the lid 124 surface is partly arranged at, to reduce interface resistance.It is described
The thickness of heat conduction screen layer 127 is 10 microns -200 microns.The heat conduction screen layer 127 can be arranged at the rechargeable battery
125 surface, the inner surface of the lid 124 can be arranged at, the rechargeable battery 125 and described can also be arranged at simultaneously
The inner surface of lid 124.Can be by viscous between the heat conduction screen layer 127 and the rechargeable battery 125 or the lid 124
Knot agent is fixed.The heat conduction screen layer 127 only covers the inside of rechargeable energy receiving coil 126 in vivo, in order to avoid influence to be somebody's turn to do
The outer electromagnetism rechargeable energy of the internal receiving body of rechargeable energy receiving coil 126.When the heat conduction screen layer 127 is arranged at the charging
During the surface of battery 125, the shape and size of the heat conduction screen layer 127 can be with the surface configuration of the rechargeable battery 125
It is identical with size.When the heat conduction screen layer 127 is arranged at the inner surface of the lid 124, the heat conduction screen layer 127
Shape can be identical with the shape of the rechargeable energy receiving coil 126 in vivo, and is dimensioned slightly smaller than the internal rechargeable energy
The internal diameter of receiving coil 126, so that the heat conduction screen layer 127 is by inside the internal rechargeable energy receiving coil 126
Element and space all cover, except reducing the heat production of rechargeable battery 125, to the circuit below the rechargeable battery 125
Plate can also play a part of reducing heat production.
The heat conduction screen layer 127 can be just like the single layer structure shown in Fig. 3, can also be one as shown in Figure 4 more
Rotating fields.In sandwich construction as shown in Figure 4, the heat conduction screen layer 127 can include one first heat conduction screen layer 1271 with
An and second heat conduction screen layer 1272 being stacked with the first heat conduction screen layer 1271.Preferably, the first heat conduction screen
The heat conduction screen layer 1272 of layer 1271 and second is covered to be formed by the way that an individual layer heat conduction screen layer 127 is folded.That is, described first leads
The heat conduction screen layer 1272 of thermal shield 1271 and second is a monoblock shielding material.The second heat conduction screen layer 1272 is arranged at
On the metal shell of the rechargeable battery 125, the first heat conduction screen layer 1271 is arranged on the lid 124.It can manage
Solution, due to the material having, such as the carbon nano-tube film or graphite flake aligned, in the thickness side of carbon nano-tube film or graphite flake
To, thermal conductivity is poor, and very good along the parallel direction in the surface of carbon nano-tube film or graphite flake, thermal conductivity.Due to described
First heat conduction screen layer 1271 and the second heat conduction screen layer 1272 are a monoblock shielding material, can be fast and effectively by described
The heat of two heat conduction screen layers 1272 conducts to the first heat conduction screen layer 1271, and passes through human body by the lid 124
Skin histology is radiated.
It is appreciated that referring to Fig. 5-6, in another embodiment, can be formed in the inner surface of the lid 124 multiple
First projection 1242, and/or form multiple second projections 1252 in the metal shell surface of the rechargeable battery 125.Described
The material of one projection 1242 and the second projection 1252 is identical with the material of the lid 124 or the rechargeable battery 125.Described
One projection 1242 and the second projection 1252 can be integrally formed preparation with the lid 124 or the rechargeable battery 125, can also
Formed by the mode such as welding, bonding.The first heat conduction screen layer 1271 has multiple on the surface of the close lid 124
First perforate.The multiple first projection 1242 insert respectively in the plurality of first perforate and with the interior table of the plurality of first perforate
Face contact is set.The second heat conduction screen layer 1272 has multiple second perforates on the surface close to the rechargeable battery 125.
The multiple second projection 1252 is inserted in the plurality of second perforate and contacted with the inner surface of the plurality of second perforate and set respectively
Put.On the one hand the structure adds the heat conduction screen layer 127 and the lid 124 or the contact surface of the rechargeable battery 125
Product, improves the heat transference efficiency between the heat conduction screen layer 127 and the lid 124 or the rechargeable battery 125.It is preferred that
Ground, first perforate and the second perforate are blind hole, so that the first heat conduction screen layer 1271 and the second heat conduction screen layer
1272 is continuous overall, so as to be effectively electromagnetically shielded to the rechargeable battery 125 and following circuit board.Preferably,
As shown in fig. 6, the heat conduction screen layer 127 includes multiple CNTs 1273 parallel to the surface of heat conduction screen layer 127, and
After the plurality of bending of CNT 1273 the second heat conduction screen layer 1272 is extended to from the first heat conduction screen layer 1271.
Due to first perforate or the second perforate so that the plurality of CNT 1273, which disconnects and formed, multiple is exposed to the first perforate
Or the second end in perforate.First projection 1242 and the side of the second projection 1252 and the end of the multiple exposure connect
Touch and set.It is appreciated that because CNT 1273 is very good in axial thermal conductivity, and, the knot excessively poor in radial direction thermal conductivity
The heat of the rechargeable battery 125 can effectively be transferred to the carbon of the heat conduction screen layer 127 by structure by the second projection 1252
Nanotube 1273, and the first projection 1242 is transferred to through CNT 1273, then the lid 124 is transferred to, it is fast so as to realize
Fast effective radiating.
It is appreciated that when the implanted lesions located in deep brain device system 10 is used to treat, the impulse generator 120
Metal shell, including housing 123 and lid 124, it will usually used as a stimulating electrode.And the rechargeable battery 125
Metal shell is an electrode of the rechargeable battery 125, therefore, metal shell and the pulse of the rechargeable battery 125
Electric insulation is needed to set between the metal shell of generator 120.Therefore, the metal shell of the rechargeable battery 125 and the arteries and veins
At least one needs rushed in the metal shell of generator 120 are set with the heat conduction screen layer 127 electric insulation.
Such as shown in Fig. 3, when the heat conduction screen layer 127 is arranged at the surface of the rechargeable battery 125, the heat conduction
Screen layer 127 can be arranged at intervals with the lid 124, so as to realize electric insulation.Preferably, can also be shielded in the heat conduction
An insulating protective layer 128 is set between layer 127 and the lid 124.The insulating protective layer 128 can be fixed on the lid
124 inner surfaces and be arranged at intervals with the heat conduction screen layer 127, can also be fixed on the heat conduction screen layer 127 surface and
It is arranged at intervals with the lid 124.Or the insulating protective layer 128 can also be contacted simultaneously with the inner surface of lid 124
Set, and another side contacts setting with the heat conduction screen layer 127.The material of the insulating protective layer 128 is polyimides, thick
Spend for 0.14 millimeter -0.2 millimeter.In the present embodiment, the thickness of the insulating protective layer 128 is 0.17 millimeter.
When the heat conduction screen layer 127 is arranged at the inner surface of the lid 124, the heat conduction screen layer 127 can be with
It is arranged at intervals with the rechargeable battery 125, so as to realize electric insulation.Preferably, can also be in the heat conduction screen layer 127 and institute
State and an insulating protective layer 128 is set between rechargeable battery 125.The insulating protective layer 128 can be fixed on the rechargeable battery
125 surface and be arranged at intervals with the heat conduction screen layer 127, can also be fixed on the heat conduction screen layer 127 surface and
It is arranged at intervals with the rechargeable battery 125.Or the insulating protective layer 128 can also one side and the rechargeable battery 125
Surface contact is set, and another side contacts setting with the heat conduction screen layer 127.The insulating protective layer 128 is by the charging
Battery 125 and all coverings of internal rechargeable energy receiving coil 126.
Such as shown in Fig. 4, when the heat conduction screen layer 127 is arranged at the rechargeable battery 125 and the lid 124 simultaneously
When upper, the insulating protective layer 128 is at least provided between the heat conduction screen layer 127 and the rechargeable battery 125, or sets
Between the heat conduction screen layer 127 and the lid 124.Such as in the structure shown in Fig. 5-6, at least in the rechargeable battery
The insulating protective layer of inner surface setting one of 125 metal shell surface or the lid 124（It is not shown）.The insulating protective layer will
The all coverings of projection 1252 of first projection 1242 or second.
It is appreciated that the impulse generator 120 also includes other correlation modules（It is not shown）, such as microprocessor module
With wireless communication module etc..The microprocessor module and wireless communication module are electrically connected with the rechargeable battery 125.It is described
Microprocessor module has the program editted, can make the impulse generator 120 produce different frequency, different pulse widths,
The electric stimulation pulse signal of different amplitudes.The stimulus waveform of the electric stimulation pulse signal including but not limited to square wave, sine wave, refer to
Number ripple, triangular wave.In addition, the wireless communication module and outer control device wireless connection, so as to pass through the external control
Device can select the program of the microprocessor module, program parameter be adjusted, so as to change the electric stimulation pulse signal of output.
The external charging device 14 includes an external charge coil 140, a charge controller 142 and charging conductor
146.The external charging device 14 in use, the external charge coil 140 press close to patient skin and with the pulse generation
The lid 124 of device 120 is arranged close to.
It is below the comparative example and embodiment of the present invention.
Comparative example
The structure of impulse generator 120 of the comparative example is as shown in Fig. 2 wherein, the housing 123 and lid 124 are titanium
Metal.The rechargeable battery 125 uses titanium body seal.
Embodiment 1
The structure of impulse generator 120 of the embodiment 1 is as shown in figure 3, its structure of impulse generator 120 with comparative example
Essentially identical, difference is, more heat conduction screen layers 127.The heat conduction screen layer 127 is the graphite flake that a thickness is 25 microns
And carry viscose glue.The heat conduction screen layer 127 is identical with the shape of rechargeable battery 125, and fits in the rechargeable battery 125
Surface.
Embodiment 2
The structure of impulse generator 120 of the embodiment 2 is as shown in figure 4, its structure of impulse generator 120 with comparative example
Essentially identical, difference is, more heat conduction screen layers 127.The heat conduction screen layer 127 is the graphite flake that a thickness is 25 microns
And carry viscose glue.The heat conduction screen layer 127 forms double-decker after folding.The second heat conduction screen layer 1272 is arranged at institute
On the metal shell surface for stating rechargeable battery 125, the first heat conduction screen layer 1271 is arranged at the inner surface of the lid 124
Insulating protective layer 128 on.The shape of the first heat conduction screen layer 1271 can be with the rechargeable energy receiving coil in vivo
126 shape is identical.The second heat conduction screen layer 1272 is identical with the shape of rechargeable battery 125.The first heat conduction screen
It is a monoblock shielding material to cover the heat conduction screen layer 1272 of layer 1271 and second.
Temperature measurement result in above-mentioned comparative example and implementation is as shown in table 1 below.Wherein, the rechargeable battery 125 is divided
Temperature survey is not carried out in two temperature measuring points.
As shown in Table 1,0.5 and 0.6 are about reduced compared to comparative example, the temperature of rechargeable battery 125 of the embodiment of the present invention 1
Degree, and the temperature of lid 124 and housing 123 about reduces 0.45 degree and 0.55 degree respectively.Because compared to comparative example,
The electromagnetic shielding action of the graphite flake heat conduction screen layer 127 of the embodiment of the present invention 1, avoid the titanium shell whirlpool of the rechargeable battery 125
The heat production such as stream, so as to reduce the temperature of the rechargeable battery 125, lid 124 and housing 123.
Further, 0.55 and 0.45 are about reduced compared to embodiment 1, the temperature of rechargeable battery 125 of the embodiment of the present invention 2
Degree, and about reduce 1.05 degree compared to comparative example, the temperature of rechargeable battery 125 of the embodiment of the present invention 2.Compared to embodiment 1,
The temperature of lid 124 of the embodiment of the present invention 2 is suitable, and is about dropped compared to comparative example, the temperature of lid 124 of the embodiment of the present invention 2
It is low 0.5 degree.Compared to embodiment 1, the temperature of the housing 123 of the embodiment of the present invention 2 about reduces 0.55 degree, and compared to than
Compared with example, the temperature of the housing 123 of the embodiment of the present invention 2 about reduces 1.05 degree.Because compared to comparative example, on the one hand,
The electromagnetic shielding action of the graphite flake heat conduction screen layer 127 of the embodiment of the present invention 1, avoid the titanium shell whirlpool of the rechargeable battery 125
The heat production such as stream, so as to reduce the temperature of the rechargeable battery 125, lid 124 and housing 123；On the other hand, the embodiment of the present invention
1 graphite flake heat conduction screen layer 127 can fast and effectively conduct the heat of the rechargeable battery 125 to the lid 124,
Radiated by tissue.The structure of the embodiment of the present invention 2 is reducing battery temperature and whole stimulation than the structure of embodiment 1
There is more preferable effect in terms of device temperature.
In addition, those skilled in the art can also do other changes in spirit of the invention, these are according to present invention spirit
The change done, it should all be included in scope of the present invention.
Claims (10)
1. a kind of external rechargeable implantation medical instrument, it includes：
One external charging device；And
One et al. Ke device, the et al. Ke device include：One impulse generator and a stimulating electrode；The pulse hair
Raw device is set including a housing, a lid being used cooperatively with the housing, a rechargeable battery being arranged in the housing and one
The rechargeable energy receiving coil inside the rechargeable battery periphery；The lid forms the gold of the impulse generator with the housing
Belong to shell, and the metal shell electric insulation of the metal shell of the impulse generator and the rechargeable battery is set；Its feature exists
In the impulse generator further comprises that one is arranged inside the metal shell of the impulse generator and is located at the charging
Heat conduction screen layer between battery and the lid；The heat conduction screen layer is prepared using nonmetallic materials；The heat conduction shielding
Layer is arranged at least one surface in the outer surface of metal shell and the inner surface of the lid of the rechargeable battery.
2. external rechargeable implantation medical instrument as claimed in claim 1, it is characterised in that the heat conduction screen layer is arranged at
The metal shell surface of the rechargeable battery or the inner surface for being arranged at the lid.
3. external rechargeable implantation medical instrument as claimed in claim 1, it is characterised in that the heat conduction screen layer includes one
First heat conduction screen layer and a second heat conduction screen layer being stacked with the first heat conduction screen layer；The first heat conduction screen
It is to be formed by the way that a monoblock shielding material is folded to cover layer and the second heat conduction screen layer；The second heat conduction screen layer is arranged at institute
State on the metal shell of rechargeable battery, the first heat conduction screen layer is arranged on the lid.
4. external rechargeable implantation medical instrument as claimed in claim 3, it is characterised in that the inner surface of the lid is formed
Multiple first is raised；The first heat conduction screen layer has multiple first perforates on the surface close to the lid；It is the multiple
First projection is inserted in the plurality of first perforate and contacts setting with the inner surface of the plurality of first perforate respectively.
5. external rechargeable implantation medical instrument as claimed in claim 4, it is characterised in that outside the metal of the rechargeable battery
It is raised that shell surface forms multiple second；The second heat conduction screen layer has multiple second on the surface close to the rechargeable battery
Perforate；The multiple second projection is inserted in the plurality of second perforate and contacted with the inner surface of the plurality of second perforate respectively to be set
Put.
6. external rechargeable implantation medical instrument as claimed in claim 5, it is characterised in that the heat conduction screen layer includes more
The individual CNT that layer surface is shielded parallel to the heat conduction, and shielded after the bending of the multiple CNT from first heat conduction
Layer extends to the second heat conduction screen layer；The multiple CNT disconnects formation in first perforate or the second perforate
The end of multiple exposures；The ends contact that described first raised or the second projection side exposes with the multiple CNT is set
Put.
7. external rechargeable implantation medical instrument as claimed in claim 1, it is characterised in that the shape of the heat conduction screen layer
It is identical with the shape of the rechargeable energy receiving coil in vivo, and size is less than the interior of the rechargeable energy receiving coil in vivo
Footpath, so that the heat conduction screen layer all covers the element inside rechargeable energy receiving coil in vivo and space.
8. external rechargeable implantation medical instrument as claimed in claim 1, it is characterised in that the heat conduction screen layer is used and led
It is prepared by electrical carbon material；The conductive carbon material is the one or more in carbon fiber, CNT, graphite flake and graphene.
9. external rechargeable implantation medical instrument as claimed in claim 8, it is characterised in that the heat conduction screen layer also includes
Multiple metallic conduction particles；The metallic conduction particle is arranged in the heat conduction screen layer or is arranged at the heat conduction screen layer
The surface contacted with the rechargeable battery or the lid.
10. external rechargeable implantation medical instrument as claimed in claim 1, it is characterised in that the impulse generator enters one
Step includes an insulating protective layer, and the insulating protective layer is arranged at the metal shell of the heat conduction screen layer and the rechargeable battery
Between, or be arranged between the heat conduction screen layer and the lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510802342.XA CN105268103B (en) | 2015-11-19 | 2015-11-19 | External rechargeable implantation medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510802342.XA CN105268103B (en) | 2015-11-19 | 2015-11-19 | External rechargeable implantation medical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105268103A CN105268103A (en) | 2016-01-27 |
| CN105268103B true CN105268103B (en) | 2017-11-17 |
Family
ID=55138474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510802342.XA Active CN105268103B (en) | 2015-11-19 | 2015-11-19 | External rechargeable implantation medical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105268103B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229025A (en) * | 2016-03-24 | 2017-10-03 | 西门子(深圳)磁共振有限公司 | The heat shielding cover and MR imaging apparatus of MR imaging apparatus |
| CN106786875A (en) * | 2016-12-20 | 2017-05-31 | 北京品驰医疗设备有限公司 | A kind of charging device of sacral nerve stimulation device |
| CN106730337A (en) * | 2016-12-22 | 2017-05-31 | 北京品驰医疗设备有限公司 | A kind of vagus nerve stimulator electronic prescription configuration system of quickly-chargeable |
| CN108295385B (en) * | 2017-01-11 | 2024-04-16 | 南京中硼联康医疗科技有限公司 | Neutron capture therapeutic device |
| CN107612074A (en) * | 2017-09-27 | 2018-01-19 | 北京品驰医疗设备有限公司 | Chargeable implanted equipment and its supply unit |
| US20200384174A1 (en) * | 2019-06-07 | 2020-12-10 | Medtronic, Inc. | Shield optimization for maximizing heat dissipation at the device tissue interface and improving fixation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101896222A (en) * | 2007-08-04 | 2010-11-24 | 卡梅伦保健公司 | Electromagnetic interference shielding in an implantable medical device |
| CN205287256U (en) * | 2015-11-19 | 2016-06-08 | 北京品驰医疗设备有限公司 | External rechargeable implantation medical instruments |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936467B (en) * | 2009-07-02 | 2014-01-15 | 富士迈半导体精密工业（上海）有限公司 | Illumination device |
-
2015
- 2015-11-19 CN CN201510802342.XA patent/CN105268103B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101896222A (en) * | 2007-08-04 | 2010-11-24 | 卡梅伦保健公司 | Electromagnetic interference shielding in an implantable medical device |
| CN205287256U (en) * | 2015-11-19 | 2016-06-08 | 北京品驰医疗设备有限公司 | External rechargeable implantation medical instruments |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105268103A (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105268103B (en) | External rechargeable implantation medical instrument | |
| Chen et al. | A wireless millimetric magnetoelectric implant for the endovascular stimulation of peripheral nerves | |
| Agarwal et al. | Wireless power transfer strategies for implantable bioelectronics | |
| US10806937B2 (en) | Heat dispersion for implantable medical devices | |
| EP3181185B1 (en) | Wireless recharging system for a flexible implantable subcutaneous cardiac device | |
| AU2021200714A1 (en) | Midfield coupler | |
| US8818526B2 (en) | Systems and methods for altering one or more RF-response properties of electrical stimulation systems | |
| CA3001577C (en) | Skull-mounted deep brain stimulator | |
| Asif et al. | A novel RF-powered wireless pacing via a rectenna-based pacemaker and a wearable transmit-antenna array | |
| US20190240494A1 (en) | External power devices and systems | |
| US10583303B2 (en) | Devices and methods for wirelessly recharging a rechargeable battery of an implantable medical device | |
| CN105517628B (en) | Construction for the implantable medical device using inner supporting structure | |
| EP2707913B1 (en) | An implantable medical device having an mri safe rechargeable battery | |
| CN105555358B (en) | The construction of implantable medical device with the battery for being attached to housing | |
| US20180272138A1 (en) | Microstimulator with Rigid Support Structure | |
| CN205287256U (en) | External rechargeable implantation medical instruments | |
| CN106237516B (en) | Rechargeable type implantable medical device | |
| García-Moreno et al. | Wireless networks of injectable microelectronic stimulators based on rectification of volume conducted high frequency currents | |
| CN208492985U (en) | Rechargeable type implantable medical device | |
| Kim et al. | Geometry-based optimization of radio-frequency coils for powering neuroprosthetic implants | |
| US8694124B2 (en) | Method for fabricating a neurostimulation lead contact array | |
| US20140125532A1 (en) | Tattooed antennas | |
| Shiba et al. | Capacitive-coupling-based information transmission system for implantable devices: investigation of transmission mechanism | |
| CN114849059A (en) | Battery-free flexible implantable deep brain stimulator, system and preparation method | |
| CN206424428U (en) | Rechargeable type implantable medical device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |