CN106621037A - Implantable sacral nerve stimulation device - Google Patents
Implantable sacral nerve stimulation device Download PDFInfo
- Publication number
- CN106621037A CN106621037A CN201611184648.4A CN201611184648A CN106621037A CN 106621037 A CN106621037 A CN 106621037A CN 201611184648 A CN201611184648 A CN 201611184648A CN 106621037 A CN106621037 A CN 106621037A
- Authority
- CN
- China
- Prior art keywords
- sacral nerve
- heat
- nerve stimulator
- dissipating casing
- 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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Classifications
-
- 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
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
Abstract
The invention relates to the field of implantable nerve stimulation, and in particular relates to an implantable sacral nerve stimulation device. The implantable sacral nerve stimulation device comprises a sacral nerve stimulator, a stimulation lead and an adjustable anchoring piece, wherein the sacral nerve stimulator and a sacral nerve are connected by virtue of the stimulation lead; by virtue of the adjustable anchoring piece, the stimulation lead and the sacral nerve are fastened; a radiating housing is arranged on the sacral nerve stimulator; the radiating housing is arranged on a shell of the sacral nerve stimulator; a plurality of radiating holes are formed in the radiating housing; and tissue fluid can enter the radiating housing from the radiating holes. The implantable sacral nerve stimulation device provided by the invention that the sacral nerve stimulator is provided with the radiating housing is simple in structure, convenient to manufacture and low in manufacturing cost; and by combining the radiating housing with a temperature control part on the stimulator in use, a radiating effect of the sacral nerve stimulator can be enhanced, damage of a rechargeable power supply of the sacral nerve stimulator can be prevented or relieved, a charging efficiency can be improved and a charging time can be shortened, and the service life of the sacral nerve stimulator can be prolonged.
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
Anchoring piece is adjusted to be used to fasten stimulation leads and sacral nerve, the sacral nerve stimulator is provided with heat-dissipating casing, the heat-dissipating casing
It is arranged on the shell of the sacral nerve stimulator, the heat-dissipating casing is provided with several louvres, tissue fluid can enter institute
In stating louvre.
Further, the heat-dissipating casing is fixedly connected with the shell of the sacral nerve stimulator.
Further, the heat-dissipating casing is made up of biocompatible materials, for example the biofacies of titanium and its alloy etc.
Capacitive metal material.
Further, the pore diameter range of the louvre is 2-8mm, and louvre can be effectively increased area of dissipation, improve radiating
Efficiency.And is filled by tissue fluid in the louvre, the characteristics of there is high specific heat capacity due to tissue fluid, be conducive to heat absorption.This
Outward, it is postoperative because the fibrillatable organized, the louvre also can play fixation to the sacral nerve stimulator, prevent drift
Move, remote electrode is pullled so as to further reduce.
Further, louvre is formed on heat-dissipating casing using percussion drilling technique.
Further, louvre is formed on heat-dissipating casing using compressing technique.
Further, the Web materials by made by biocompatibility metal material are pressed into heat-dissipating casing, and mesh radiates
Hole.
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, after implanting tissue, dissipating
Hot hole is filled by tissue fluid, and the characteristics of have high specific heat capacity due to tissue fluid, it can be used for heat absorption, so as to avoid high temperature spike
Appearance.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, it is described
Heat-dissipating casing 4 is provided with several louvres 5, and tissue fluid can be entered in the louvre 5 by the louvre.
Further, the heat-dissipating casing 4 is fixedly connected with the shell of the sacral nerve stimulator 1.
The heat-dissipating casing 4 is made up of biocompatibility metal material, such as：Titanium and its alloy etc..
Further, referring to accompanying drawing 3,4, the pore diameter range of the louvre 5 is 2-8mm, and louvre 5 can be effectively increased radiating
Area, raising radiating efficiency.And is filled by tissue fluid in the louvre 5, the characteristics of there is high specific heat capacity due to tissue fluid,
Be conducive to heat absorption.Additionally, postoperative due to the fibrillatable organized, the louvre 5 also can be played to the sacral nerve stimulator 1
Fixation, prevents drift, and remote electrode is pullled so as to further reduce.
Louvre 5 can be formed on heat-dissipating casing using percussion drilling technique or compressing technique.Additionally, by biology
Web materials made by biocompatible metallic material are pressed into heat-dissipating casing, and mesh is louvre 5.
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.Additionally, after implanting tissue,
Louvre 5 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 high temperature spike
Appearance.And the louvre 5 on heat-dissipating casing 4 can be conducive to fixing sacral nerve stimulator 1, 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 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 (8)
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 is provided with several
Louvre, tissue fluid can be entered in the heat-dissipating casing by the louvre.
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 by biocompatible materials system
Into.
4. implanted sacral nerve stimulation device according to claim 3, the material of the heat-dissipating casing is titanium or its alloy.
5. the implanted sacral nerve stimulation device according to any one of claim 1-4, the pore diameter range of the louvre is
2-8mm。
6. the implanted sacral nerve stimulation device according to any one of claim 1-4, using percussion drilling technique or compacting
Moulding process forms the louvre on the heat-dissipating casing.
7. the implanted sacral nerve stimulation device according to any one of claim 1-4, the heat-dissipating casing is by bio-compatible
Property Web materials made by metal material are pressed into, and the mesh of the Web materials is used as the louvre.
8. the implanted sacral nerve stimulation device according to any one of claim 1-4, wherein the one of sacral nerve stimulator
Individual side or it is provided with outside the radiating on two opposite flanks or on all outer surfaces of sacral nerve stimulator
Shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184648.4A CN106621037A (en) | 2016-12-20 | 2016-12-20 | Implantable sacral nerve stimulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184648.4A CN106621037A (en) | 2016-12-20 | 2016-12-20 | Implantable sacral nerve stimulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106621037A true CN106621037A (en) | 2017-05-10 |
Family
ID=58833581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611184648.4A Withdrawn CN106621037A (en) | 2016-12-20 | 2016-12-20 | Implantable sacral nerve stimulation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106621037A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004201799A1 (en) * | 2000-01-11 | 2004-05-27 | The Mower Family Chf Treatment Irrevocable Trust | Atrial sensing and multiple site stimulation as intervention for atrial fibrillation |
| 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 |
| CN104755135A (en) * | 2012-07-30 | 2015-07-01 | 神磁医学股份有限公司 | Devices and methods for magnetic stimulation for the treatment of neurological disorders |
| 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 CN201611184648.4A patent/CN106621037A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004201799A1 (en) * | 2000-01-11 | 2004-05-27 | The Mower Family Chf Treatment Irrevocable Trust | Atrial sensing and multiple site stimulation as intervention for atrial fibrillation |
| 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 |
| CN104755135A (en) * | 2012-07-30 | 2015-07-01 | 神磁医学股份有限公司 | Devices and methods for magnetic stimulation for the treatment of neurological disorders |
| 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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
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| WW01 | Invention patent application withdrawn after publication |