CN106786875A - A kind of charging device of sacral nerve stimulation device - Google Patents
A kind of charging device of sacral nerve stimulation device Download PDFInfo
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- CN106786875A CN106786875A CN201611184649.9A CN201611184649A CN106786875A CN 106786875 A CN106786875 A CN 106786875A CN 201611184649 A CN201611184649 A CN 201611184649A CN 106786875 A CN106786875 A CN 106786875A
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- external charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J5/005—
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Abstract
A kind of charging device of sacral nerve nerve stimulation device, including two external charging coils, that is the first external charging coil and the second external charging coil, when the first external charging coil is in external charging state, the second external charging coil is in power-off and the state of cooling, when the second external charging coil is in external charging state, the first external charging coil is in power-off and the state of cooling, the first external charging coil and the second external charging coil alternately carry out external charging to implantable medical device, automatically switch when temperature is higher than a certain threshold value.Avoided on the premise of the charging interval is not extended to the undesirable heating of skin histology.
Description
Technical field
It is of the invention to be usually directed to a kind of charging device, and relate more particularly to the charging for implantable medical device
Device, relates more specifically to a kind of charging device of sacral nerve stimulation device.
Background technology
Implantable medical device（IMD）It is implanted in patient's body for monitoring patient body situation and/or in patient's body
Transmission treatment.The power supply of implantable medical device includes non-rechargeable battery and rechargeable battery.It is non-rechargeable
The general section at a fixed time of battery after need to change, and change the operation of the battery pain and expensive for patient
's.Comparatively, rechargeable battery has obvious advantage, when electricity has exhausted or will exhaust, using positioned at trouble
Charging device outside person charges to the rechargeable battery.Generally, rechargeable battery is recharged by inductive coupling system.
Specifically, inductive coupling system is included in the external coil in the charging device for being placed on human external（Primary coil）And
It is placed on the Inside coil in the embedded type device of body interior（Secondary coil）, electric current applies to primary coil and primary line
When circle is aligned with secondary coil, electric current is induced in secondary coil, the circuit of IMD uses the induced-current to the rechargeable of IMD
Battery is charged.
A kind of implanted micro stimulator external recharging apparatus are disclosed in US7054689B1.To implantable medical device
When being charged, the external recharging apparatus placed against the skin of patient（Such as coil）Temperature can raise, cause to skin
The undesirable heating of skin tissue.
To solve the technical problem, Medtronic（CN104395719A）Adopt the technical scheme that：Temperature sensor is set,
In threshold value of the temperature more than setting, select the level of lower power or stop charging.But the technical scheme is extended fills
The electric time, patient is brought inconvenience.
Therefore, the need for being improved with the charging device to implantable medical device, to solve the above problems.
The content of the invention
Technical scheme is expected to provide a kind of charging device, realizes external to the implanted for implanting from patient
Medical treatment device enters percutaneous wireless charging, and add undesirable to skin histology can be avoided on the premise of the charging interval is not extended
Heat.
According to an aspect of the present invention, there is provided a kind of external recharging apparatus of implantable medical device, it is characterised in that
Including multiple external charging coils, such as two charge coils, i.e. the first external charging coil and the second external charging coil, when
When the first external charging coil is in external charging state, the second external charging coil is in and powers off and cooling shape
State, when the second external charging coil is in external charging state, the first external charging coil is in and powers off and cold
But state, the first external charging coil and the second external charging coil are alternately carried out to implantable medical device
External charging.
Further, the external recharging apparatus include temperature sensing module, when temperature sensing module measurement is described
When first external charging coil or the temperature near it increase to over a certain threshold value, the second external charging line is automatically switched to
Circle carries out external charging, and the first external charging coil is in power-off and the state of cooling, when temperature sensing module measurement
When the second external charging coil or the temperature near it increase to over a certain threshold value, automatically switch to and filled outside described first
Electric coil carries out external charging, and the second external charging coil is in power-off and the state of cooling.
Further, the temperature sensing module includes being arranged on the on the first external charging coil or near it
One temperature sensor and it is arranged on the second external charging coil or the second temperature sensor near it, described first
On first external charging coil described in temperature sensor measurement or the temperature near it, the second temperature sensor measurement is described
On second external charging coil or the temperature near it.
In one embodiment, the first external charging coil and the second external charging coil share one and fill
Electric module.
In another embodiment, the first external charging coil connects the first charging module, outside described second
Charge coil connects the second charging module.
In one embodiment, described two external charging coils are arranged in charging head, the charging head with it is outside
The miscellaneous part of charging device is provided separately.
Further, the charging module, temperature sensor are arranged in the charging head.
In an implementation method, described two external charging coils set on the same plane and spaced apart,
Under charged state, the skin surface of two external charging coils substantially with user is parallel.
Further, the central shaft of two external charging coils being set up in parallel is substantially parallel and is approximately perpendicular to charging
The skin surface in region.
In one embodiment, described two charge inside coil side by side parallel are set, in other implementation method,
There is certain angle, for example, 60 degree, 90 degree, 150 degree, 180 degree etc. between described two charge inside coils.
Further, the external charging coil is connected to a mobile device, and the mobile device can fill the outside
Electric coil switches between first position and the second place, the first external charging coil described at the first position with it is internal
Charge coil is matched, and the second external charging coil is matched with charge inside coil described in the second place.
Further, in the implementation method that two external charging coil side by side parallel are set, the mobile device can set
Parallel movement apparatus are calculated as, the external charging coil is switched between the first position and the second place, you can
One of external charging coil is set to be matched with charge inside coil by moving in parallel for parallel movement apparatus.
Further, between described two external charging coils in the implementation method with certain angle, the movement
Device is whirligig, and the whirligig can be by the external charging coil between the first position and the second place
Switching, you can make one of external charging coil be matched with Inside coil by the rotation of whirligig.
The implantable medical device is Implanted cardiac pacemaker, defibrillator, embedded nerve stimulator, brain electricity
Stimulator, spinal stimulator, gastric stimulator, artificial cochlea, implanted drug efflux pump.
In one embodiment, the implantable medical device is nerve stimulator.Further, the implanted god
Include stimulating electrode through stimulator, the electrode is single electrode or electrod-array.Stimulating electrode is arranged in patient's body accordingly
Target position simultaneously applies electric pulse stimulation.
Further, the embedded nerve stimulator is micro stimulator.
According to another aspect of the present invention, there is provided a kind of Implanted medical system, including said external charging device and
The embedded type device of wireless charging is carried out by the external recharging apparatus.
Those skilled in the art are readily apparent that the present invention can also include more than two external charging coils, such as 3
Individual, 4 or 5 etc..
Compared with prior art, the present invention has the advantages that：Using two external charging coils alternately to implantation
Formula medical treatment device is charged, and is avoided to the undesirable heating of skin histology, while the charging interval will not be extended.Additionally,
The present invention is monitored using temperature sensor to the skin temperature near outside charge coil, and automatically switch two external chargings
Coil carries out alternately charging respectively, it is not necessary to which user manually operates.
Brief description of the drawings
Fig. 1 is the structural representation of implantable nerve stimulating system 10 provided in an embodiment of the present invention, wherein external charging
Device 22 charges to et al. Ke device 12.
Fig. 2 is the schematic diagram of et al. Ke device 12 in Fig. 1.
Fig. 3 is the schematic diagram of external recharging apparatus 22 in Fig. 1.
Fig. 4 is the schematic diagram of external charging coil according to an embodiment of the invention and whirligig.
Specific embodiment
The scheme of the external rechargeable implantable medical device that the present invention is provided is applied to Implanted cardiac pacemaker, heart and removes
Quiver device, embedded nerve stimulator, EBS, spinal stimulator, gastric stimulator, artificial cochlea, implanted drug efflux pump etc..
Many aspects are applied to, for example, stimulating sacral nerve to treat the urinary incontinence, stimulate spinal cord/peripheral nerve to alleviate chronic pain
Pain or other symptoms, treatment be fat or gastric irritation of gastroparesis, or be configured to pesticide application in vivo device and carry out drug therapy.Additionally,
Implantable medical device may be additionally configured to provide DBS (DBS), peripheral nerve stimulation (PNS), nervus tibialis stimulate or its
His deep tissue or more superficial type electro photoluminescence.
Implementation below is illustrated by taking embedded nerve stimulator as an example.
Referring to accompanying drawing 1, the embodiment of the present invention provides a kind of implantable nerve stimulating system 10, and it includes：Et al. Ke is filled
Put 12 and external recharging apparatus 22.The et al. Ke device 12 is implanted into patient's body, for the target nerve area to patient
Domain applies electro photoluminescence.The external recharging apparatus 22 are used to carry out external wireless charging for the et al. Ke device 12.
During the et al. Ke device 12 can be implanted hypodermis bag, one or more layers intramuscular or other internal positions
Put, including housing 15, electrode 14 and connection housing 15 and the wire 13 of electrode 14, god is transmitted to patient by the electrode 14
Through stimulating.
Referring to accompanying drawing 1,2, internal charge coil 16 is included in the housing 15 of et al. Ke device 12（Or referred to as secondary wire
Circle）, charging module 30, rechargable power supplies 32, interior processing unit 33, treatment module 31, electrod-array 14A-14C（Also can be only
There is an electrode）.Internal charge coil 16 is connected by charging module 30 with rechargable power supplies 32, so as to work as internal charge coil
When inducing electric current in 16, rechargable power supplies 32 are charged by charging module 30.Treatment module 31 internally processes single
Electro photoluminescence is generated under the control of unit 33（Typically electric pulse）, the electro photoluminescence is via one or more electrodes being connected with wire 13
14A-14C is delivered to one or more target positions in patient's body.Interior processing unit 33 can be controlled to treatment module,
Apply the electrode of electro photoluminescence including selection stimulus modality, selection, for example, may be selected only to one of electrodes transfer electro photoluminescence energy
Amount, the also control including the intensity to electro photoluminescence, frequency, stimulation time length etc..
Electrode 14A-14C stimulates one or more sacral nerves of patient, such as sacral nerve stimulation (SNS).Sacral nerve stimulation
Patient for treating basin bottom imbalance (such as aconuresis, incontinence of faces, sex dysfunction or other imbalances).
In one embodiment, internal communication module 34 is also included in housing 15, for external recharging apparatus 22 and/
Or peripheral control unit carries out data communication.
In further embodiment, internal communication module 34 is not included in housing 15, by internal charge coil 16 with
External recharging apparatus 22 and/or peripheral control unit carry out data communication（Specifically will be described below）.
In one embodiment, et al. Ke device 12 is also configured with one or more sensors, to the physiology of patient
Situation is monitored.
Referring next to accompanying drawing 1, accompanying drawing 3, external recharging apparatus 22 are described, external recharging apparatus 22 are used for body
It is implanted into device 12 to be recharged, specifically, the rechargable power supplies 32 in et al. Ke device 12 is charged.Outside is filled
Electric installation 22 includes housing 24 and external charging coil 41,42.The external charging coil can be integrated in external recharging apparatus 22
Housing 24 in, can also be separately provided, i.e., external charging coil 41,42 is arranged in the charging head 23 being provided separately with housing,
Charging head 23 is connected with housing 24 by wire 25（Referring to accompanying drawing 1,3）, this convenient outside of the charging head 23 being separately provided is filled
The positioning of electric coil 41,42, specifically facilitates the external charging coil in charging head 23（That is primary coil）Put near skin
Put, so as to contribute to external charging coil to be alignd with the internal charge coil 16 in et al. Ke device 12 to improve the effect that charges
Rate.And in the situation that outside charge coil 41,42 is integrated in housing 24, such as near the inner surface setting of housing 24, shell
Body 24 may be designed to hand-held, or be fixed on a patient body, to keep external charging coil by the attachment of such as belt
Alignd with internal charge coil 16.
Referring to accompanying drawing 3, the charging head 23 of external recharging apparatus 22 includes being filled outside the first external charging coil 41, second
Electric coil 42 and the charge control module 50 being connected with external charging coil 41,42, under the control of the charge control module 50,
Two external charging coils 41,42 alternately to charge and carry out external charging to implantable medical device 12, i.e. when described first
When external charging coil 41 is in external charging state, the second external charging coil 42 is in power-off and the state of cooling, when
When the second external charging coil 42 is in external charging state, the first external charging coil 41 is in power-off and cools down
State.
Input block 26, user are additionally provided with the housing 24（Doctor or sufferers themselves）Can be by the input block 26
Implantable medical device is configured, it is also possible to which charging level, charging interval etc. are set, can also be by the input block 26
Manual switching is carried out to two external charging coils 41,42.
With further reference to accompanying drawing 3, first temperature sensor 56 is set near the first external charging coil 41, near institute
State the second external charging coil 42 and second temperature sensor 57 is set, first, second temperature sensor 56,57 sets with described
Put the communication connection of external processing unit 51 in external recharging apparatus 22.First temperature sensor 56 is configured to sensing
One external charging coil 41 or the temperature near it, and when more than a predetermined threshold, send instructions to the external treatment list
Unit 51, the external processing unit 51 causes the first external charging coil 41 in power-off and cooling shape after receiving the instruction
State, and connecting the second external charging coil 42 carries out external charging.The second temperature sensor 57 is configured to sensing second
External charging coil 42 or the temperature near it, and when more than a predetermined threshold, send instructions to the external processing unit
51, the external processing unit 51 causes the second external charging coil 42 in power-off and the state of cooling after receiving the instruction,
And connecting the first external charging coil 41 carries out external charging.So as to realize two external charging coils 41,42 alternately
External charging.
In the illustrated embodiment, first, second temperature sensor 56,57 and charge control module are also disposed at described
In charging head 23.
During implanted device 12 includes the situation of internal communication module 34 in vivo, set in external recharging apparatus 22 and inside
The external communication module 54 of the matching of communication module 34, is passed by the data between internal communication module 34 and external communication module 54
Control of the defeated realization to et al. Ke device 12.
Implanted device 12 is in the situation including internal communication module 34 in vivo, by internal charge coil 16 with it is outside
Charge coil 41 or 42 carries out data communication, so as to realize the control to et al. Ke device 12.
In the implementation method shown in Fig. 3, described two external charging coils 41,42 are set up in parallel, in the charge state, two
Individual external charging coil is attached at skin surface.The central shaft of the two external charging coils 41,42 being set up in parallel is substantially parallel
And it is approximately perpendicular to the skin surface of charged area.Fig. 3 is as an example, big between described two external charging coils 41,42
Cause to be in 90 degree, but be not limited to time, the angle between described two external charging coils 41,42 can be 0-180 degree, preferably 30-
180 degree.
In one embodiment, two external charging coils 41,42 are connected to a whirligig 55, the rotating dress
Put 55 to be rotated around central shaft 55 ', so that by the first external charging coil 41 or the second external charging coil 42
Rotate to charged area.Further, the whirligig 55 is connected with external processing unit 51, when the external processing unit
After 51 receive the temperature of the first temperature sensor 56 or the transmission of second temperature sensor 57 more than the instruction of threshold value so that temperature
External charging coil more than threshold value is in power-off and the state of cooling, while whirligig 55 is rotated another external charging line
Circle rotation is to charged area and makes its connection to be charged.
The et al. Ke device 12 is Implanted cardiac pacemaker, defibrillator, embedded nerve stimulator, brain electricity
Stimulator, spinal stimulator, gastric stimulator, artificial cochlea, implanted drug efflux pump etc..
In one embodiment, the et al. Ke device 12 is nerve stimulator.Further, the implanted god
Include stimulating electrode through stimulator, the electrode is single electrode or electrod-array.Stimulating electrode is arranged in patient's body accordingly
Target position simultaneously applies electric pulse stimulation.
Further, the embedded nerve stimulator is micro stimulator.
According to another aspect of the present invention, there is provided a kind of Implanted medical system, including said external charging device 22
And the et al. Ke device 12 of wireless charging is carried out by the external recharging apparatus.
It should be readily apparent to one skilled in the art that protection scope of the present invention is not only limited to what each implementation method was limited
In the range of, combination, deformation, change to each implementation method are all fallen within the protection domain of the application.
Claims (10)
1. a kind of external recharging apparatus of implantable medical device, it is characterised in that including two external charging coils, i.e., first
External charging coil and the second external charging coil, it is described when the first external charging coil is in external charging state
Second external charging coil is in power-off and the state of cooling, when the second external charging coil is in external charging state,
The first external charging coil is in power-off and the state of cooling, the first external charging coil and second external charging
Coil alternately carries out external charging to implantable medical device.
2. external recharging apparatus as claimed in claim 1, the external recharging apparatus include temperature sensing module, when the temperature
When degree sensing module measurement the first external charging coil or the temperature near it increase to over a certain threshold value, automatically switch to
The second external charging coil carries out external charging, and the first external charging coil is in power-off and the state of cooling, works as institute
State temperature sensing module and measure the second external charging coil or when the temperature near it increases to over a certain threshold value, cut automatically
Shifting to the first external charging coil carries out external charging, and the second external charging coil is in power-off and the state of cooling.
3. external recharging apparatus as claimed in claim 2, the temperature sensing module includes being arranged on outside described first filling
The first temperature sensor on electric coil or near it and be arranged on the second external charging coil or near it
Two temperature sensors, it is described on the first external charging coil described in first temperature sensor measurement or the temperature near it
Second temperature sensor is measured on the second external charging coil or the temperature near it.
4. external recharging apparatus as described in claim any one of 1-3, outside the first external charging coil and described second
Portion's charge coil shares a charging module；Or the first external charging coil connects the first charging module, described second
External charging coil connects the second charging module.
5. external recharging apparatus as described in claim 4, described two external charging coils are arranged in charging head, described
Charging head is provided separately with the miscellaneous part of external recharging apparatus, and the charging module, temperature sensor are arranged in the charging
In head.
6. external recharging apparatus as claimed in claim 5, described two external charging coils set on the same plane and
At a certain distance, in the charge state, the skin surface of two external charging coils substantially with user is parallel, is set up in parallel
The central shaft of described two external charging coils is substantially parallel and is approximately perpendicular to the skin surface of charged area.
7. external recharging apparatus as claimed in claim 6, the external charging coil is connected to a mobile device, the movement
Device can switch the external charging coil between first position and the second place, first described at the first position
External charging coil is matched with charge inside coil, the second external charging coil and charge inside described in the second place
Coil is matched.
8. external recharging apparatus as claimed in claim 7, described two external charging coil side by side parallel are set, the movement
Device is parallel movement apparatus, and the external charging coil switches between the first position and the second place, that is, lead to
Crossing moving in parallel for parallel movement apparatus makes one of external charging coil be matched with charge inside coil.
9. external recharging apparatus as claimed in claim 8, have certain angle between described two external charging coils, described
Mobile device is whirligig, and the whirligig can be by the external charging coil in the first position and the second place
Between switch, i.e., one of external charging coil is matched with Inside coil by the rotation of whirligig.
10. external recharging apparatus described in a kind of Implanted medical system, including the claims any one of 1-9 and outer by this
Portion's charging device carries out the embedded type device of wireless charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184649.9A CN106786875A (en) | 2016-12-20 | 2016-12-20 | A kind of charging device of sacral nerve stimulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184649.9A CN106786875A (en) | 2016-12-20 | 2016-12-20 | A kind of charging device of sacral nerve stimulation device |
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| Publication Number | Publication Date |
|---|---|
| CN106786875A true CN106786875A (en) | 2017-05-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611184649.9A Withdrawn CN106786875A (en) | 2016-12-20 | 2016-12-20 | A kind of charging device of sacral nerve stimulation device |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832736A (en) * | 2019-10-11 | 2020-02-21 | 北京小米移动软件有限公司 | Wireless charging control method and device and storage medium |
| CN110854977A (en) * | 2018-07-25 | 2020-02-28 | Oppo广东移动通信有限公司 | Wireless charging method, storage medium, electronic device and charging device |
| WO2022070156A1 (en) * | 2020-10-01 | 2022-04-07 | Cochlear Limited | Heat management of prostheses |
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| US5564434A (en) * | 1995-02-27 | 1996-10-15 | Medtronic, Inc. | Implantable capacitive absolute pressure and temperature sensor |
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| CN1874048A (en) * | 2006-04-28 | 2006-12-06 | 清华大学 | Wireless charging device through skin in use for implantation type medical treatment instrument |
| CN104436436A (en) * | 2014-12-19 | 2015-03-25 | 曹小玲 | Dysphagia electric stimulation therapeutic apparatus based on double self-induction coils |
| CN104505879A (en) * | 2014-12-11 | 2015-04-08 | 小米科技有限责任公司 | Charging method and device |
| CN105268103A (en) * | 2015-11-19 | 2016-01-27 | 北京品驰医疗设备有限公司 | In vitro charging implantation medical instrument |
| CN105978110A (en) * | 2016-07-15 | 2016-09-28 | 上海力声特医学科技有限公司 | Wireless charging device and sacral nerve stimulation system thereof |
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2016
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|---|---|---|---|---|
| US5564434A (en) * | 1995-02-27 | 1996-10-15 | Medtronic, Inc. | Implantable capacitive absolute pressure and temperature sensor |
| US20050075696A1 (en) * | 2003-10-02 | 2005-04-07 | Medtronic, Inc. | Inductively rechargeable external energy source, charger, system and method for a transcutaneous inductive charger for an implantable medical device |
| CN1874048A (en) * | 2006-04-28 | 2006-12-06 | 清华大学 | Wireless charging device through skin in use for implantation type medical treatment instrument |
| CN104505879A (en) * | 2014-12-11 | 2015-04-08 | 小米科技有限责任公司 | Charging method and device |
| CN104436436A (en) * | 2014-12-19 | 2015-03-25 | 曹小玲 | Dysphagia electric stimulation therapeutic apparatus based on double self-induction coils |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854977A (en) * | 2018-07-25 | 2020-02-28 | Oppo广东移动通信有限公司 | Wireless charging method, storage medium, electronic device and charging device |
| CN110854977B (en) * | 2018-07-25 | 2021-10-22 | Oppo广东移动通信有限公司 | Wireless charging method, storage medium, electronic device and charging device |
| CN110832736A (en) * | 2019-10-11 | 2020-02-21 | 北京小米移动软件有限公司 | Wireless charging control method and device and storage medium |
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| US20240088709A1 (en) * | 2019-10-11 | 2024-03-14 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for wireless charging control, and storage medium |
| WO2022070156A1 (en) * | 2020-10-01 | 2022-04-07 | Cochlear Limited | Heat management of prostheses |
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