CN102280915A - Implantable in vivo charging device - Google Patents
Implantable in vivo charging device Download PDFInfo
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- CN102280915A CN102280915A CN2011102154316A CN201110215431A CN102280915A CN 102280915 A CN102280915 A CN 102280915A CN 2011102154316 A CN2011102154316 A CN 2011102154316A CN 201110215431 A CN201110215431 A CN 201110215431A CN 102280915 A CN102280915 A CN 102280915A
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- polymer
- metal sleeve
- wire netting
- charging device
- metal
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Abstract
The invention discloses an implantable in vivo charging device of a biomedical engineering field. The device comprises a polymer sealing shell, a chargeable cell, a backing plate, a lower polymer cushion, a lower metal mesh sheet, an upper polymer cushion, an upper metal mesh sheet, a front metal sleeve, a metal needle, a rear metal sleeve and a polymer insulation layer. An anode and a cathode of the chargeable cell implanted in a body are led out by leads respectively to the lower metal mesh sheet and the upper metal mesh sheet which are insulated for each other. When an external metal needle is inserted into the body through skin, the front metal sleeve outside the metal needle connects with the lower metal mesh sheet, the rear metal sleeve connects with the upper metal mesh sheet, thus a tail of the metal needle and a tail of the metal sleeve are connect with an anode and a cathode of a charging power supply to form a charging loop. The in vivo charging device in the invention has the characteristics of simple structure, convenient operation, small wound in charging, capability of increasing transmission power, raising a transmission rate, reducing transmission loss and lowering an aligning requirement in inserting, and good repeated charging performance.
Description
Technical field
What the present invention relates to is a kind of charging device of biomedical engineering field, specifically is charging device in a kind of implanted body.
Background technology
The implantable medical system helps to help the patient to recover the physiological function of certain organ by suitably exciting nerve or muscle.Be widely used in vision prosthesis, artificial cochlea, bladder prosthese at present, treatment essential tremor, parkinsonism, myodystony etc.
The implantable medical system often wants several months even several years after implanting, it is vital therefore how giving system's energy supply.At present, use disposable not rechargeable battery to implant, after running down of battery, need to take out and change battery, not only increase medical-risk and cost, also increase patient's misery as power supply device.Use rechargeable battery, energy can be charged the battery from the skin outside is imported the power supply device of embedded system into by wireless mode by radio frequency method, the method through-put power is little, and speed is slow, and loss is big, is applicable to the system of low-power consumption.By directly giving the battery charge of power supply device in the embedded system through the skin mode, can strengthen through-put power, accelerate transmission rate, reduce loss.
Find that by prior art documents Peng Cong etc. exist5th International Conference on Networked Sensing Systems
Write articles " Wireless Less-Invasive Blood Pressure Sensing Microsystem for Small Laboratory Animal In Vivo Real-Time Monitoring on (2008) 80 – 86(" wireless low damage blood pressure sensing micro-system is used for monitoring in real time in the animal body of small scale experiments chamber " the 5th network monitoring system international conference.The power transfer mode of mentioning in this article is based on wireless radio frequency mode,
The method through-put power is little, and speed is slow, and loss is big, is unfavorable for charging in the medical implant system body.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art and defective, charging device in a kind of implanted body is provided, this device is charging modes in the skin body directly, give the implanted power source charges by this mode, charging is convenient, and wound is little, can increase through-put power, improve transmission rate, reduce loss, help the interior charging of body of implantable medical system.
The present invention is achieved by the following technical solutions, the present invention includes: polymer encapsulated shell, rechargeable battery, backing plate, down the wire netting sheet, go up the wire netting sheet, down polymer mat, go up polymer mat, metal needle, polymer insulation layer, preceding metal sleeve, back metal sleeve, wherein: described rechargeable battery, backing plate, down polymer mat, down the wire netting sheet, go up polymer mat, go up the wire netting sheet and all place in the polymer encapsulated shell, described before metal sleeve place the metal needle head, and with the metal needle conducting; Described back metal sleeve places the metal needle afterbody, and insulate with metal needle; Insulate between metal sleeve and the back metal sleeve before described.
The both positive and negative polarity of the rechargeable battery that implants is led to respectively on the following wire netting sheet and last wire netting sheet of mutual insulating, after in the external metallization pin sees through skin insertion body, the preceding metal sleeve of metal needle outside connects wire netting sheet down, back metal sleeve connects goes up the wire netting sheet, metal needle afterbody and back metal sleeve afterbody are connect the charge power supply both positive and negative polarity respectively, form charge circuit, can give the rechargeable battery charging that implants.
The present invention adopts directly charging modes in the skin body, wound is little during charging, can increase through-put power, improve transmission rate, reduce loss, and use the net sheet that battery plus-negative plate is drawn, make the external metallization pin plug when inserting charging, whole net panel region all can form good electrical contact with the metal needle plug, greatly reduce when inserting to alignment request, convenient charging, the Elastic Contact of wire netting and metal needle plug, make the metal needle plug charging finish extract after, wire netting is because himself elastic energy is recovered original state, the recharge performance is good, on metal needle, use telescoping structure, prevented that the outer polymer insulating barrier from being wiped off by wire netting, improved the reliability of charging greatly, helped charging in the body of implantable medical system.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: polymer encapsulated shell 1, rechargeable battery 2, backing plate 3, following polymer mat 4, following wire netting sheet 5, last polymer mat 6, last wire netting sheet 7, preceding metal sleeve 8, metal needle 9, back metal sleeve 10 and polymer insulation layer 11, wherein: rechargeable battery 2, backing plate 3, following polymer mat 4, following wire netting sheet 5, last polymer mat 6, last wire netting sheet 7 all places in the polymer encapsulated shell 1, deposit polymer insulation layer 11 on the metal needle 9, before metal sleeve 8 place metal needle 9 heads and with its conducting, back metal sleeve 10 places metal needle 9 afterbodys, respectively with metal needle 9 and 8 insulation of preceding metal sleeve, following wire netting sheet 5 is connected conducting with rechargeable battery 2 negative poles by lead 12, and last wire netting sheet 7 is connected 13 conductings with rechargeable battery 2 positive poles by lead.
In the present embodiment, described polymer encapsulated shell 1 usefulness pouring procedure is made.
In the present embodiment, described rechargeable battery 2 places the bottommost of polymer encapsulated shell 1.
In the present embodiment, described backing plate 3 places rechargeable battery 2 tops.
In the present embodiment, described polymer mat 4 down places backing plate 3 tops.
In the present embodiment, described wire netting sheet 5 down places down polymer mat 4 tops, and is connected to the positive pole of rechargeable battery by lead.
In the present embodiment, the described polymer mat 6 that goes up places down wire netting sheet 5 tops.
In the present embodiment, the described wire netting sheet 7 of going up places polymer mat 6 tops, and is connected to the negative pole of rechargeable battery 2 by lead.
In the present embodiment, wrap up by polymer insulation layer 11 in the middle of the described metal needle 9.
In the present embodiment, wrap up by polymer insulation layer 11 in the middle of the described back metal sleeve 10.
In the present embodiment, insulate by polymer insulation layer 11 between described preceding metal sleeve 8 and the back metal sleeve 10.
After metal needle 9 inserts the polymer encapsulated shell, preceding metal sleeve 8 contacts conducting with following wire netting sheet 5, back metal sleeve 10 contacts conducting with last wire netting sheet 7, the negative pole of rechargeable battery 2 is promptly led on the metal needle 9 by preceding metal sleeve 8 by following wire netting sheet 5, positive pole is promptly led on the metal sleeve 10 by last wire netting sheet 7, difference external power supply negative pole and positive pole on metal needle 9 and back metal sleeve 10 can give rechargeable battery 2 chargings.
The foregoing description simple in structure, easy to operate, directly charging device in the skin body of the present invention, wound is little during charging, can increase through-put power, improve transmission rate, reduce loss, and use the net sheet that battery plus-negative plate is drawn, make the external metallization pin plug when inserting charging, whole net panel region all can form good electrical contact with the metal needle plug, greatly reduce when inserting to alignment request, convenient charging, the Elastic Contact of wire netting and metal needle plug, make the metal needle plug charging finish extract after, wire netting is because himself elastic energy is recovered original state, the recharge performance is good, uses telescoping structure on metal needle, has prevented that the outer polymer insulating barrier from being wiped off by wire netting, improve the reliability of charging greatly, help the interior charging of body of implantable medical system.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. charging device in the implanted body, it is characterized in that: comprising: polymer encapsulated shell, rechargeable battery, backing plate, down the wire netting sheet, go up the wire netting sheet, down polymer mat, go up polymer mat, metal needle, polymer insulation layer, preceding metal sleeve and back metal sleeve, wherein: described rechargeable battery, backing plate, down polymer mat, down the wire netting sheet, go up polymer mat, go up the wire netting sheet and all place in the polymer encapsulated shell, described before metal sleeve place the metal needle head, and with the metal needle conducting; Described back metal sleeve places the metal needle afterbody, and insulate with metal needle; Insulate between metal sleeve and the back metal sleeve before described;
The both positive and negative polarity of the rechargeable battery that implants is led to respectively on the following wire netting sheet and last wire netting sheet of mutual insulating, after in the external metallization pin sees through skin insertion body, the preceding metal sleeve of metal needle outside connects wire netting sheet down, back metal sleeve connects goes up the wire netting sheet, metal needle afterbody and back metal sleeve afterbody are connect the charge power supply both positive and negative polarity respectively, form charge circuit, can give the rechargeable battery charging that implants.
2. charging device in a kind of implanted body according to claim 1 is characterized in that described rechargeable battery places the bottommost of polymer encapsulated shell.
3. charging device in a kind of implanted body according to claim 1 and 2 is characterized in that described polymer encapsulated shell is made with pouring procedure.
4. charging device in a kind of implanted body according to claim 1 is characterized in that described backing plate places rechargeable battery top.
5. charging device in a kind of implanted body according to claim 1 is characterized in that, described polymer pad down is placed on backing plate top.
6. charging device in a kind of implanted body according to claim 1 is characterized in that, described wire netting sheet down places down polymer mat top, and is connected to the positive pole of rechargeable battery by lead.
7. charging device in a kind of implanted body according to claim 1 is characterized in that, the described polymer pad that goes up is placed on down wire netting sheet top.
8. charging device in a kind of implanted body according to claim 1 is characterized in that, the described wire netting sheet of going up places polymer mat top, and is connected to the negative pole of rechargeable battery by lead.
9. charging device in a kind of implanted body according to claim 1 is characterized in that, is wrapped up by polymer insulation layer in the middle of the described metal needle.
10. charging device in a kind of implanted body according to claim 1 is characterized in that, is wrapped up by polymer insulation layer in the middle of the metal sleeve of described back; Insulate by polymer insulation layer between metal sleeve and the back metal sleeve before described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102154316A CN102280915A (en) | 2011-07-29 | 2011-07-29 | Implantable in vivo charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102154316A CN102280915A (en) | 2011-07-29 | 2011-07-29 | Implantable in vivo charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102280915A true CN102280915A (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102154316A Pending CN102280915A (en) | 2011-07-29 | 2011-07-29 | Implantable in vivo charging device |
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| CN (1) | CN102280915A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938707A (en) * | 2018-10-16 | 2019-06-28 | 陕西医链区块链集团有限公司 | A kind of intelligent chip that can be implanted into human body monitoring life and health safety |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070103A (en) * | 1996-11-05 | 2000-05-30 | Intermedics Inc. | Apparatus for making direct electrical connection with an implantable medical device |
| CN201078811Y (en) * | 2007-04-06 | 2008-06-25 | 中芯国际集成电路制造(上海)有限公司 | Charging needle capable of improving service lifetime |
| CN101219257A (en) * | 2007-01-11 | 2008-07-16 | 中国科学院理化技术研究所 | Minimally invasive power supply for driving medical instruments implanted in human body |
| CN201383612Y (en) * | 2008-12-11 | 2010-01-13 | 张显靖 | LED plug and play assembly structure |
-
2011
- 2011-07-29 CN CN2011102154316A patent/CN102280915A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070103A (en) * | 1996-11-05 | 2000-05-30 | Intermedics Inc. | Apparatus for making direct electrical connection with an implantable medical device |
| CN101219257A (en) * | 2007-01-11 | 2008-07-16 | 中国科学院理化技术研究所 | Minimally invasive power supply for driving medical instruments implanted in human body |
| CN201078811Y (en) * | 2007-04-06 | 2008-06-25 | 中芯国际集成电路制造(上海)有限公司 | Charging needle capable of improving service lifetime |
| CN201383612Y (en) * | 2008-12-11 | 2010-01-13 | 张显靖 | LED plug and play assembly structure |
Non-Patent Citations (1)
| Title |
|---|
| 杨子彬: "论植入体内医用材料的生物相容性", 《中国医疗器械信息》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938707A (en) * | 2018-10-16 | 2019-06-28 | 陕西医链区块链集团有限公司 | A kind of intelligent chip that can be implanted into human body monitoring life and health safety |
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Application publication date: 20111214 |