CN106621036A - Implantable sacral nerve stimulation device - Google Patents
Implantable sacral nerve stimulation device Download PDFInfo
- Publication number
- CN106621036A CN106621036A CN201611184630.4A CN201611184630A CN106621036A CN 106621036 A CN106621036 A CN 106621036A CN 201611184630 A CN201611184630 A CN 201611184630A CN 106621036 A CN106621036 A CN 106621036A
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- CN
- China
- Prior art keywords
- sacral nerve
- heat
- dissipating casing
- stimulation device
- nerve stimulator
- 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.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36007—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of urogenital or gastrointestinal organs, e.g. for incontinence control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
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- Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Neurology (AREA)
- Gastroenterology & Hepatology (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Prostheses (AREA)
Abstract
The invention relates to an implantable sacral nerve stimulation device, which comprises a sacral nerve stimulator, a stimulating wire and an adjustable anchoring element, wherein the sacral nerve stimulator and a sacral nerve are connected by the stimulating wire, and the adjustable anchoring element is used for fastening the stimulating wire and the sacral nerve. The implantable sacral nerve stimulation device is characterized in that the sacral nerve stimulator is provided with a heat radiating shell, the heat radiating shell is arranged on a shell of the sacral nerve stimulator, and the heat radiating shell is made into a concave shape by adopting a shape memory material. In a charging state, the generated heat enables the heat radiating shell to plump outwards, and a cavity is formed between the heat radiating shell and the shell of the sacral nerve stimulator; and in a non-charging state, the heat radiating shell recovers to the initial concave shape, the sacral nerve stimulator is closely attached to the outer surface of the heat radiating shell, and the cavity disappears. The implantable sacral nerve stimulation device is fast in heat dissipation, improves the charging efficiency, shortens the total charging time, and has small thickness at a normal operating mode in the non-charging state, thereby being high in implantation comfort. In addition, the implantable sacral nerve stimulation device is high in fixation with the tissue and not easy to drift.
Description
Technical field
The present invention relates to implantable nerve stimulation field, and in particular to a kind of implanted sacral nerve stimulation device.
Background technology
Sacral nerve stimulator, also known as bladder pacemaker, is implantable to set in the small-sized program-controlled of gatism patient's buttocks
It is standby, generally will be implanted in buttocks and be connected to sacral nerve via stimulation leads, by sending electric impulse signal to sacral nerve, adjust
The neural reflex of the section bladder related to urination and defecation and intestines, makes abnormal neural reflex reach balance again, and patient can
By being similar to the external equipment of remotely control come the switch for controlling stimulator and program control setting, so that urination bowel movement function obstacle
Symptom controlled.Sacral nerve stimulator can be used for treat expectant treatment it is invalid or do not tolerate expectant treatment non-obstructivity urine
Retention, the symptom of overactive bladder, including urge incontinence, urine urgency-frequency.
In long-term or chronic use, sacral nerve stimulator may include the service life for making Medical Devices than non-rechargeable
Equipment extend several weeks, the several months or or even the several years rechargeable power supply (such as including one or more capacitors or battery).
When the energy of storage is depleted in rechargeable power supply, patient can be filled using external charging equipment to the power supply
Electricity.Because rechargeable power supply is implanted in patients and charging equipment is in the outside of patient, therefore the charging process can quilt
Referred to as percutaneously charge.In some instances, can be via the primary coil and implantable medical device in charging equipment（IMD）In
Inductive between secondary coil percutaneously charges to perform.However, substantial amounts of heat can be produced in the charging process, easily cause
The fire damage of in-vivo tissue, reduces the service life of sacral nerve stimulator, therefore needs to solve sacrum during long-term use
The heat dissipation problem of nerve stimulator, so as to improve the service life of sacral nerve stimulator.
Therefore, with the needs being improved to implanted sacral nerve stimulation device, to solve the above problems.
The content of the invention
The technical solution used in the present invention is to provide a kind of implanted sacral nerve stimulation device, including sacral nerve stimulator,
Stimulation leads and adjustable anchoring part, between the sacral nerve stimulator and adjustable anchoring part by stimulation leads connect, it is described can
Adjust anchoring piece to be used to fasten stimulation leads and sacral nerve, in the sacral nerve stimulator rechargeable power supply is provided with；The sacrum god
Jing stimulators are provided with heat-dissipating casing, and the heat-dissipating casing is arranged on the shell of the sacral nerve stimulator；Outside the radiating
Shell makes inner concave shape using shape-memory material, charge when, the heat of generation makes heat-dissipating casing outwards heave, heat-dissipating casing with
Formed between the shell of sacral nerve stimulator and filled by tissue fluid in cavity, the cavity；Under non-charged state, heat-dissipating casing
The shape of initial indent is returned to, now sacral nerve stimulator is brought into close contact with the outer surface of heat-dissipating casing, cavity disappears, so as to
Whole normal mode of operation of the implanted device in non-charged state has relatively thin thickness, to improve implantation comfort level.
Further, the heat-dissipating casing is fixedly connected with the shell of the sacral nerve stimulator.
Further, the heat-dissipating casing is provided with louvre, and the quantity of the louvre is several.
Further, the pore diameter range of the louvre is 2-8mm.
Further, when charging, the outer surface of the inner surface of the heat-dissipating casing and the sacral nerve stimulator shell
The distance between scope be 2-8mm.
Further, louvre is formed on the heat-dissipating casing formed by shape-memory material using percussion drilling technique.
Further, louvre is formed on the heat-dissipating casing formed by shape-memory material using compressing technique.
Further, including louvre the heat-dissipating casing it is compressing by marmem net.
Further, heat-dissipating casing can be set on the even all outer surfaces of a sacral nerve stimulator arbitrarily side, for example,
Heat-dissipating casing is only provided with a side of sacral nerve stimulator, or on two opposite flanks of sacral nerve stimulator
It is provided with heat-dissipating casing.
The above-mentioned technical proposal provided by the application, produced big calorimetric during charging can pass through sacral nerve stimulator
Shell pass to the heat-dissipating casing, accelerated due to the increase of cooling surface area radiating.Additionally, in the charge state, sacrum
The shell of nerve stimulator forms between the two cavity with the heat-dissipating casing, and the cavity is filled by tissue fluid, due to tissue
The characteristics of liquid has high specific heat capacity, it can be used for heat absorption, so as to avoid the appearance of high temperature spike.And it is normal in non-charging
Under working condition, the heat-dissipating casing formed by memory material returns to the shape of initial indent, now sacral nerve stimulator with dissipate
Hot shell is brought into close contact between the two, and cavity disappears, so as to normal mode of operation tool of the whole implanted device in non-charged state
There is relatively thin thickness, to improve implantation comfort level.And the louvre on heat-dissipating casing can be conducive to fixing sacral nerve stimulator,
Prevent it from drifting about.
To sum up, heat-dissipating casing has heat absorption, the effect of radiating, so that the temperature-controlled member connected applications of described device
When, it is to avoid or the charge efficiency reduced caused by high temperature reduces the generation of event, improves charge efficiency, can shorten charging total time.
Sacral nerve stimulation device of the present invention has discharged the heat in sacral nerve stimulator by heat-dissipating casing, reduces sacral nerve stimulator
Damage frequency, extend the service life of sacral nerve stimulator.
The present invention also has the advantages that：Heat-dissipating casing is installed on sacral nerve stimulator of the present invention, simple structure,
Easy to make, low manufacture cost, is used in combination with temperature-controlled member on stimulator, strengthens the radiating effect of sacral nerve stimulator, keeps away
Exempt from or reduce the damage of the rechargeable power supply of sacral nerve stimulator, there is provided charge efficiency shortens the charging interval, extends sacrum
The service life of nerve stimulator.
Description of the drawings
In order to be illustrated more clearly that technical scheme, below will be to wanting needed for embodiment or description of the prior art
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining it according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is the structural representation of implantation within a patient when sacral nerve stimulator of the present invention does not install heat-dissipating casing；
Fig. 2 is the structural representation of implantation within a patient when sacral nerve stimulation device of the present invention has installed heat-dissipating casing；
Fig. 3 is the front view of heat-dissipating casing of the present invention；
Fig. 4 is the three-dimensional view of heat-dissipating casing of the present invention；
Fig. 5 is the structural representation that heat-dissipating casing is installed in sacral nerve stimulator side of the present invention；
Fig. 6 is the structural representation that heat-dissipating casing is installed in sacral nerve stimulator both sides of the present invention.
In figure：1- sacral nerve stimulators；2- stimulation leads；3- adjustable anchoring parts；4- heat-dissipating casings；5- louvres.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the invention, rather than the embodiment of whole.Based on embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained on the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
In one embodiment of the invention, as shown in Figures 1 to 5, the invention provides a kind of implanted sacral nerve thorn
Excitation device, the sacral nerve stimulation device is the implantable small-sized program-controlled equipment in gatism patient's buttocks, be can be used for
Treatment expectant treatment is invalid or does not tolerate the non-obstructivity retention of urine of expectant treatment, the symptom of overactive bladder, including urgency
The urgent property urinary incontinence, urine urgency-frequency.Referring to shown in Fig. 1 to Fig. 5, the sacral nerve stimulation device includes sacral nerve stimulator 1, stimulates
Wire 2 and adjustable anchoring part 3, are connected between the sacral nerve stimulator 1 and adjustable anchoring part 3 by stimulation leads 2, it is described can
Anchoring piece 3 is adjusted for fastening stimulation leads 2 and sacral nerve, by sending electric impulse signal to sacral nerve, is adjusted and urination and row
Just the neural reflex of related bladder and intestines, makes abnormal neural reflex reach balance again, and patient is by the outer of remotely control
Portion's equipment sets come the switch and other specification for controlling stimulator, so that the symptom of urination bowel movement function obstacle is controlled.
Sacral nerve stimulator 1 includes shell, and the enclosure is provided with rechargeable power supply, can be external using patient is located at
Charging equipment enters percutaneous charging to the rechargable power supplies.Heat-dissipating casing 4 is additionally provided with least side of the shell.
Further, the heat-dissipating casing 4 makes inner concave shape using marmem, that is, be mounted on sacral nerve stimulator 1
When, the case surface contact on heat-dissipating casing 4 and sacral nerve stimulator 1, when charging, the heat for producing that charges makes heat-dissipating casing
4 outwards heave, and cavity is formed between heat-dissipating casing 4 and sacral nerve stimulator 1, now the inner surface of the heat-dissipating casing 4 and institute
State the distance between outer surface of the shell of sacral nerve stimulator 1 and range preferably from 2-8mm, and in the body temperature of non-charged state
Under, the temperature drop of heat-dissipating casing 4 returns to the shape of initial indent, now both sacral nerve stimulator 1 and heat-dissipating casing 4
Between be brought into close contact, cavity disappear, so as to normal mode of operation of the whole implanted device in non-charged state has relatively thin thickness
Degree, to improve implantation comfort level.
Further, referring to accompanying drawing 3,4, the heat-dissipating casing 4 is provided with several louvres 5, the aperture of the louvre 5
Scope is 2-8mm, and louvre 5 can be effectively increased area of dissipation, improve radiating efficiency.In the charge state, quilt in the cavity
Tissue fluid is filled, and the characteristics of tissue fluid has high specific heat capacity, is conducive to heat absorption, so as to avoid the appearance of high temperature spike.Additionally, art
Afterwards because the fibrillatable organized, the louvre 5 also can play fixation to the sacral nerve stimulator 1, drift is prevented,
Remote electrode is pullled so as to further reduce.
The percussion drilling technique or compressing technique shape on the heat-dissipating casing formed by shape-memory material can be adopted
Into louvre.Additionally, the Web materials by made by marmem are pressed into heat-dissipating casing, mesh is louvre.
Referring to accompanying drawing 5, only heat-dissipating casing 4 is provided with a side of sacral nerve stimulator 1, referring to accompanying drawing 6, in sacrum
Heat-dissipating casing 4 is provided with two opposite flanks of nerve stimulator 1, those skilled in the art are readily apparent that, can be in sacral nerve
Heat-dissipating casing 4 is set on the even all outer surfaces of the arbitrarily side of stimulator 1.
The above-mentioned technical proposal provided by the application, produced big calorimetric during charging can pass through sacral nerve stimulator
1 shell passes to the heat-dissipating casing 4, and radiating is accelerated due to the increase of cooling surface area.Because heat-dissipating casing 4 adopts shape
Shape memory alloys make inner concave shape, and under the body temperature of non-charged state, heat-dissipating casing 4 maintains inner concave shape, now sacral nerve
Stimulator 1 is brought into close contact between the two with heat-dissipating casing 4, and implanted device integrally has relatively thin thickness, and implantation comfort level is high, and
Under charged state, the heat for producing that charges makes heat-dissipating casing 4 outwards heave, sacral nerve stimulator 1 and heat-dissipating casing 4 shape between the two
Into cavity, the cavity is filled by tissue fluid, the characteristics of have high specific heat capacity due to tissue fluid, is conducive to heat absorption, so as to avoid height
The appearance of warm spike.The louvre 5 of the present invention also helps fixed sacral nerve stimulator 1, prevents it from drifting about.
To sum up, the heat-dissipating casing that the present invention is provided has heat absorption, the effect of radiating, so that the temperature control portion of described device
During part connected applications, it is to avoid or the charge efficiency reduced caused by high temperature reduces the generation of event, improves charge efficiency, can shorten and fill
Electric total time.Sacral nerve stimulation device of the present invention has discharged the heat in sacral nerve stimulator by heat-dissipating casing, reduces sacrum
The damage frequency of nerve stimulator, extends the service life of sacral nerve stimulator.
The present invention has the advantages that：Heat-dissipating casing, simple structure, system are installed on sacral nerve stimulator of the present invention
Make convenient, low manufacture cost, be used in combination with temperature-controlled member on stimulator, strengthen the radiating effect of sacral nerve stimulator, it is to avoid
Or the damage of the rechargeable power supply of reduction sacral nerve stimulator, there is provided charge efficiency shortens the charging interval, extends sacrum god
The service life of Jing stimulators.
Above disclosed is only several preferred embodiments of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of implanted sacral nerve stimulation device, including sacral nerve stimulator（1）, stimulation leads（2）And adjustable anchoring part
（3）, the sacral nerve stimulator（1）With adjustable anchoring part（3）Between pass through stimulation leads（2）Connection, the adjustable anchoring part
（3）For fastening stimulation leads（2）And sacral nerve, it is characterised in that the sacral nerve stimulator（1）It is provided with heat-dissipating casing
（4）, the heat-dissipating casing（4）It is arranged on the sacral nerve stimulator（1）Shell on, the heat-dissipating casing adopts shape memory
Material makes inner concave shape, and when charging, the heat of generation makes heat-dissipating casing outwards heave, heat-dissipating casing and sacral nerve stimulator
Cavity is formed between shell；Under non-charged state, heat-dissipating casing returns to the shape of initial indent, now sacral nerve stimulator
It is brought into close contact with the outer surface of heat-dissipating casing, cavity disappears.
2. implanted sacral nerve stimulation device according to claim 1, the heat-dissipating casing and the sacral nerve stimulator
Shell be fixedly connected.
3. implanted sacral nerve stimulation device according to claim 1, the heat-dissipating casing is provided with louvre.
4. implanted sacral nerve stimulation device according to claim 3, the pore diameter range of the louvre is 2-8mm.
5. implanted sacral nerve stimulation device according to claim 1, when charging, the inner surface of the heat-dissipating casing with
The distance between the outer surface of sacral nerve stimulator shell scope is 2-8mm.
6. implanted sacral nerve stimulation device according to claim 3, using percussion drilling technique by shape memory material
The louvre is formed on the heat-dissipating casing that material is formed.
7. implanted sacral nerve stimulation device according to claim 3, using compressing technique by shape memory material
The louvre is formed on the heat-dissipating casing that material is formed.
8. the heat-dissipating casing of implanted sacral nerve stimulation device according to claim 3, including louvre is by shape
Memory-alloy mesh is compressing.
9. the implanted sacral nerve stimulation device according to any one of claim 1-8, wherein the one of sacral nerve stimulator
Individual side is provided with the heat-dissipating casing on two opposite flanks.
10. the implanted sacral nerve stimulation device according to any one of claim 1-8, wherein in the institute of sacral nerve stimulator
Have on outer surface and the heat-dissipating casing is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184630.4A CN106621036B (en) | 2016-12-20 | 2016-12-20 | Implanted sacral nerve stimulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184630.4A CN106621036B (en) | 2016-12-20 | 2016-12-20 | Implanted sacral nerve stimulation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106621036A true CN106621036A (en) | 2017-05-10 |
| CN106621036B CN106621036B (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611184630.4A Active CN106621036B (en) | 2016-12-20 | 2016-12-20 | Implanted sacral nerve stimulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261323A (en) * | 2017-07-07 | 2017-10-20 | 北京品驰医疗设备有限公司 | A kind of implanted is without wire sacral nerve stimulator |
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| CN101324228A (en) * | 2008-07-18 | 2008-12-17 | 哈尔滨工程大学 | Creeping type mini pump based on shape memory alloy drive |
| US20100305632A1 (en) * | 2009-05-26 | 2010-12-02 | Barun Maskara | Temperature assisted stimulation |
| US20130197608A1 (en) * | 2012-01-27 | 2013-08-01 | Greatbatch, Ltd. | Heat dispersion for implantable medical devices |
| EP2666515A1 (en) * | 2012-05-24 | 2013-11-27 | Universiteit Antwerpen | Transcranial magnetic stimulation for small animals |
| US20130338767A1 (en) * | 2010-12-29 | 2013-12-19 | Elenza Inc. | Devices and methods for dynamic focusing movement |
| CN103576810A (en) * | 2012-08-09 | 2014-02-12 | 宏碁股份有限公司 | Electronic device |
| CN205683399U (en) * | 2016-04-29 | 2016-11-16 | 上海力声特医学科技有限公司 | Sacral nerves implanting device |
-
2016
- 2016-12-20 CN CN201611184630.4A patent/CN106621036B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324228A (en) * | 2008-07-18 | 2008-12-17 | 哈尔滨工程大学 | Creeping type mini pump based on shape memory alloy drive |
| US20100305632A1 (en) * | 2009-05-26 | 2010-12-02 | Barun Maskara | Temperature assisted stimulation |
| US20130338767A1 (en) * | 2010-12-29 | 2013-12-19 | Elenza Inc. | Devices and methods for dynamic focusing movement |
| US20130197608A1 (en) * | 2012-01-27 | 2013-08-01 | Greatbatch, Ltd. | Heat dispersion for implantable medical devices |
| EP2666515A1 (en) * | 2012-05-24 | 2013-11-27 | Universiteit Antwerpen | Transcranial magnetic stimulation for small animals |
| CN103576810A (en) * | 2012-08-09 | 2014-02-12 | 宏碁股份有限公司 | Electronic device |
| CN205683399U (en) * | 2016-04-29 | 2016-11-16 | 上海力声特医学科技有限公司 | Sacral nerves implanting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261323A (en) * | 2017-07-07 | 2017-10-20 | 北京品驰医疗设备有限公司 | A kind of implanted is without wire sacral nerve stimulator |
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| CN106621036B (en) | 2023-05-02 |
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