CN107510886A - A kind of sacral nerve stimulation electrode and preparation method thereof - Google Patents
A kind of sacral nerve stimulation electrode and preparation method thereof Download PDFInfo
- Publication number
- CN107510886A CN107510886A CN201710877653.1A CN201710877653A CN107510886A CN 107510886 A CN107510886 A CN 107510886A CN 201710877653 A CN201710877653 A CN 201710877653A CN 107510886 A CN107510886 A CN 107510886A
- Authority
- CN
- China
- Prior art keywords
- electrode
- wire
- connection
- stimulating
- outer tube
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0507—Electrodes for the digestive system
- A61N1/0514—Electrodes for the urinary tract
-
- 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
- A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Urology & Nephrology (AREA)
- Cardiology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Mechanical Engineering (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention discloses a kind of sacral nerve stimulation electrode and preparation method thereof, electrode includes electrode inner tube, electrode wrapping wire, electrode middle pipe and the electrode outer tube radially set from the inside to the outside, proximal segment electrode portion, electrode-fixing section and distal section electrode portion are axially set from left to right, electrode wrapping wire includes some wire electrodes, the tube outside helically coiling along the electrode, it is fixedly installed respectively with electrode inner tube and electrode middle pipe；Proximal segment electrode portion includes being connected with one end of wire electrode respectively with electrode wrapping wire quantity identical connection electrode, the connection electrode, exposes the electrode outer pipe surface；Distal section electrode portion includes and electrode wrapping wire quantity identical stimulating electrode, the stimulating electrode is connected with the other end of wire electrode respectively, expose the electrode outer pipe surface, stimulating electrode is connected one by one with connection electrode by wire electrode, several stimulating electrodes are insulated from each other, and several connection electrodes are insulated from each other.Clever structure of the present invention, wire electrode firm and durable, good insulating.
Description
Technical field
The invention belongs to medical instruments field, more particularly to a kind of sacral nerve stimulation electrode and preparation method thereof.
Background technology
Electrode is a very crucial part in sacral nerve product, because stimulus generator 5-10 to be implanted, battery
It can be changed after exhausting, and at this moment electrode closely grows together with muscle, changing electrode needs doctor accurately to plant very much
Enter neuronal target, while bigger medical treatment cost can be brought to patient, include the body and mental anguish of re-treatm ent.
During sacral nerve electrode implantation human body, because electrode intensity itself and rigidity are inadequate, it is necessary to insert in the electrodes
Draw point, in case bending in electrode implantation process, influences electrode implantation.Meanwhile electrode has a standard on insulating properties, electricity
Extremely all submerge in salt solution one month, apply 50V voltage in each contact, the exchange insulation impedance value of contact can not be less than two-by-two
If 50k Ω exchanges insulation impedance value is less than 50k Ω, electrode implantation people, which knows from experience, causes electric property to reduce even worse mistake
Effect situation.
The content of the invention
In view of the above-mentioned problems, the present invention devises a kind of sacral nerve stimulation electrode and preparation method thereof, firm and durable, electrically
Good insulating, solve the problems, such as wire electrode wearout, electrode chap.
Specific technical scheme is as follows：A kind of sacral nerve stimulation electrode, including radially set from the inside to the outside electrode inner tube,
Electrode wrapping wire, electrode middle pipe and electrode outer tube, proximal segment electrode portion, electrode-fixing section and distal section electrode are axially set from left to right
Portion, wherein,
The electrode wrapping wire includes some wire electrodes, the tube outside helically coiling along the electrode, respectively with electrode
Pipe and the fixed setting of electrode middle pipe；
The proximal segment electrode portion include with electrode wrapping wire quantity identical connection electrode, the connection electrode respectively with electrode
One end connection of silk, exposes the electrode outer pipe surface；
The electrode-fixing section includes being arranged on four pin toothed regions outside electrode outer tube, and teeth directional is towards proximal segment electrode portion；
The distal section electrode portion include with electrode wrapping wire quantity identical stimulating electrode, the stimulating electrode respectively with electrode
The other end connection of silk, exposes the electrode outer pipe surface, stimulating electrode is connected one by one with connection electrode by wire electrode, some
Individual stimulating electrode is insulated from each other, and several connection electrodes are insulated from each other；
The electrode middle pipe and electrode outer tube are provided with aperture in the correspondence position of connection electrode and stimulating electrode, make electrode
Silk can pass.
Preferably, one end of the connection electrode and wire electrode is connected by laser welding mode.
Preferably, the other end of the stimulating electrode and wire electrode is connected by laser welding mode.
Preferably, the quantity of the wire electrode, connection electrode and stimulating electrode is 6.
Preferably, the electrode inner tube, electrode middle pipe and electrode outer tube use polyurethane material.
Based on above-mentioned purpose, present invention also offers a kind of preparation method of sacral nerve stimulation electrode, comprise the following steps：
Wrapping wire, helically coiling is carried out to some wire electrodes according to the diameter of electrode inner tube using spiral filament forming machine, opposing connection makes
Some wire electrodes carry out Parylene biology membrane coat；
Electrode inner tube is assembled, electrode inner tube is penetrated in some wire electrodes made, electrode inner tube both ends grow electricity
Polar filament is no more than 1cm；
Punching, the position of assembly connection electrode and stimulating electrode is needed to punch to electrode middle pipe and electrode outer tube, that can make
Wire electrode passes；
Electrode middle pipe, electrode outer tube are assembled, is inserted in electrode middle pipe, wire electrode is pulled out at the hole of electrode middle pipe；It is inserted in again
Electrode outer tube, wire electrode is pulled out at the hole of electrode outer tube；
Electrode is installed, loads connection electrode from the position away from electrode outer tube both ends to direction of both ends successively and stimulates electricity
Pole, often load one and be just connected with the counter electrode silk of pull-out；
Welding, electrode middle pipe and electrode outer tube welding are integrated, then four pin toothed regions are installed, teeth directional is towards connection electrode.
Preferably, the wire electrode carries out painting insulating barrier before wrapping wire.
Preferably, the connection electrode is connected with wire electrode by laser welding mode；Stimulating electrode passes through with wire electrode
Laser welding mode connects.
Preferably, the quantity of the wire electrode, connection electrode and stimulating electrode is 6.
Preferably, the electrode middle pipe and electrode outer tube use ultrasonic bonding or glue welding.
The beneficial effects of the present invention are：Sacral nerve stimulation electrode is electric after implanting because wire electrode gap ratio is shorter
Extremely internal to be covered with body fluid, human body fluid is a complicated biofluid, if electrode wrapping wire insulating barrier occur chap or
Abrasion, especially the body fluid with physiological saline can accelerate the corrosion of insulating barrier, and short circuit, each passage can occur for adjacent taenidium
Between electric insulation impedance value be below 50k Ω, and then can allow between each stimulating electrode the situation for producing short circuit, after short circuit, meeting
Cause effect of stimulation to die down, or even stimulate loop short circuit and fail, largely effect on the life-span of electrode.Electrode inner tube of the present invention, electricity
Three layers of catheter electrode structure of pole middle pipe and electrode outer tube, solve wearout, the excessive risk possibility of chap well,
Also it can prevent body fluid from immersing electrode wrapping wire internal corrosion insulating barrier well, improve the stimulation validity for being chronically implanted electrode,
Improve the life-span of electrode.
Brief description of the drawings
Fig. 1 is the structure chart of the specific embodiment of sacral nerve stimulation electrode one of the present invention；
Fig. 2 is the A-A profiles of the specific embodiment of sacral nerve stimulation electrode one of the present invention；
Fig. 3 is the B-B profiles of the specific embodiment of sacral nerve stimulation electrode one of the present invention；
Fig. 4 is the electrode wrapping wire schematic diagram of the specific embodiment of sacral nerve stimulation electrode one of the present invention；
Fig. 5 is the step flow chart of the specific embodiment of sacral nerve stimulation method for making its electrode one of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Referring to Fig. 1-4, a kind of sacral nerve stimulation electrode, including radially set from the inside to the outside electrode inner tube 11, electrode around
Silk 12, electrode middle pipe 13 and electrode outer tube 14, proximal segment electrode portion 21, electrode-fixing section 22 and distal section electricity are axially set from left to right
Pole portion 23, wherein,
Referring to Fig. 4, electrode wrapping wire 12 includes some wire electrodes 121, along the outside helically coiling of electrode inner tube 11, respectively with
Electrode inner tube 11 and electrode middle pipe 13 are fixedly installed；
Proximal segment electrode portion 21 include with the quantity identical connection electrode 211 of electrode wrapping wire 12, connection electrode 211 respectively with electricity
One end connection of polar filament 121, exposes the surface of electrode outer tube 14；
Electrode-fixing section 22 includes being arranged on four pin toothed regions 221 outside electrode outer tube 14, and teeth directional is towards proximal segment electrode portion 21；
Distal section electrode portion 23 include with the quantity identical stimulating electrode 231 of electrode wrapping wire 12, stimulating electrode 231 respectively with electricity
The other end connection of polar filament 121, exposes the surface of electrode outer tube 14, and stimulating electrode 231 passes through wire electrode 121 with connection electrode 211
It is connected one by one, several stimulating electrodes 231 are insulated from each other, and several connection electrodes 211 are insulated from each other；
A-A profiles shown in Figure 2 for Fig. 1,5 wire electrodes 121 can be seen in the position,.
Electrode middle pipe 13 and electrode outer tube 14 are provided with aperture in the correspondence position of connection electrode 211 and stimulating electrode 231,
Wire electrode 121 is set to pass.
In specific embodiment, electrode middle pipe 13 and electrode outer tube 14 after assembling as shown in figure 3, be welded together, to carry
The firmness of high whole electrode.Connection electrode 211 is connected with one end of wire electrode 121 by laser welding mode；Stimulating electrode
231 are connected with the other end of wire electrode 121 by laser welding mode；Wire electrode 121, connection electrode 211 and stimulating electrode 231
Quantity be 6, this is also that number of electrodes is most in the art at present, also most appropriate, if more again, existing system
It is difficult to reach as technique, sacral nerve position is also not required to excessive stimulating electrode 231, and it is good to be arranged such effect of stimulation.
Electrode inner tube 11, electrode middle pipe 13 and electrode outer tube 14 use polyurethane material.
Referring to Fig. 5, further embodiment of this invention provides a kind of preparation method of sacral nerve stimulation electrode, including following step
Suddenly：
S10, wrapping wire, helically coiling, opposing connection are carried out to some wire electrodes according to the diameter of electrode inner tube using spiral filament forming machine
Some wire electrodes made carry out Parylene biology membrane coat；
S20, electrode inner tube is assembled, electrode inner tube is penetrated in some wire electrodes made, electrode inner tube both ends length
Go out wire electrode and be no more than 1cm；
S30, punching, the position of assembly connection electrode and stimulating electrode is needed to punch to electrode middle pipe and electrode outer tube, with energy
Enough pass wire electrode；
S40, assembling electrode middle pipe, electrode outer tube, is inserted in electrode middle pipe, and wire electrode is pulled out at the hole of electrode middle pipe；Again
Electrode outer tube is inserted in, wire electrode is pulled out at the hole of electrode outer tube；
S50, electrode is installed, loads connection electrode and stimulation from the position away from electrode outer tube both ends to direction of both ends successively
Electrode, often load one and be just connected with the counter electrode silk of pull-out；
S60, welding, electrode middle pipe and electrode outer tube welding are integrated, then four pin toothed regions are installed, teeth directional is electric towards connection
Pole.
In specific embodiment, wire electrode carries out painting insulating barrier before wrapping wire, can use ETFE, PFA etc..Electrode middle pipe and electrode
Outer tube uses ultrasonic bonding or glue welding.Other specific embodiments are consistent with electrode, repeat no more.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
- A kind of 1. sacral nerve stimulation electrode, it is characterised in that including radially set from the inside to the outside electrode inner tube, electrode wrapping wire, Electrode middle pipe and electrode outer tube, proximal segment electrode portion, electrode-fixing section and distal section electrode portion are axially set from left to right, wherein,The electrode wrapping wire includes some wire electrodes, the tube outside helically coiling along the electrode, respectively with electrode inner tube and Electrode middle pipe is fixedly installed；The proximal segment electrode portion include with electrode wrapping wire quantity identical connection electrode, the connection electrode respectively with wire electrode One end connects, and exposes the electrode outer pipe surface；The electrode-fixing section includes being arranged on four pin toothed regions outside electrode outer tube, and teeth directional is towards proximal segment electrode portion；The distal section electrode portion include with electrode wrapping wire quantity identical stimulating electrode, the stimulating electrode respectively with wire electrode The other end is connected, and exposes the electrode outer pipe surface, and stimulating electrode is connected one by one with connection electrode by wire electrode, several thorns Sharp electrode is insulated from each other, and several connection electrodes are insulated from each other；The electrode middle pipe and electrode outer tube are provided with aperture in the correspondence position of connection electrode and stimulating electrode, enable wire electrode Enough pass.
- 2. sacral nerve stimulation electrode according to claim 1, it is characterised in that one end of the connection electrode and wire electrode Connected by laser welding mode.
- 3. sacral nerve stimulation electrode according to claim 1, it is characterised in that the stimulating electrode and wire electrode it is another End is connected by laser welding mode.
- 4. sacral nerve stimulation electrode according to claim 1, it is characterised in that the wire electrode, connection electrode and stimulation The quantity of electrode is 6.
- 5. sacral nerve stimulation electrode according to claim 1, it is characterised in that the electrode inner tube, electrode middle pipe and electricity Pole outer tube uses polyurethane material.
- 6. the preparation method of one of a kind of claim 1-8 sacral nerve stimulation electrodes, it is characterised in that including following step Suddenly：Wrapping wire, helically coiling is carried out to some wire electrodes according to the diameter of electrode inner tube using spiral filament forming machine, if what opposing connection made Dry root wire electrode carries out Parylene biology membrane coat；Electrode inner tube is assembled, electrode inner tube is penetrated in some wire electrodes made, electrode inner tube both ends grow wire electrode No more than 1cm；Punching, the position of assembly connection electrode and stimulating electrode is needed to punch to electrode middle pipe and electrode outer tube, so that electrode can be made Silk passes；Electrode middle pipe, electrode outer tube are assembled, is inserted in electrode middle pipe, wire electrode is pulled out at the hole of electrode middle pipe；Electrode is inserted in again Outer tube, wire electrode is pulled out at the hole of electrode outer tube；Electrode is installed, loads connection electrode and stimulating electrode from the position away from electrode outer tube both ends to direction of both ends successively, often Load one to be just connected with the counter electrode silk of pull-out；Welding, electrode middle pipe and electrode outer tube welding are integrated, then four pin toothed regions are installed, teeth directional is towards connection electrode.
- 7. the preparation method of sacral nerve stimulation electrode according to claim 6, it is characterised in that the wire electrode is in wrapping wire Before carry out painting insulating barrier.
- 8. the preparation method of sacral nerve stimulation electrode according to claim 6, it is characterised in that the connection electrode and electricity Polar filament is connected by laser welding mode；Stimulating electrode is connected with wire electrode by laser welding mode.
- 9. the preparation method of sacral nerve stimulation electrode according to claim 6, it is characterised in that the wire electrode, connection The quantity of electrode and stimulating electrode is 6.
- 10. the preparation method of sacral nerve stimulation electrode according to claim 6, it is characterised in that the electrode middle pipe and Electrode outer tube uses ultrasonic bonding or glue welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877653.1A CN107510886A (en) | 2017-09-26 | 2017-09-26 | A kind of sacral nerve stimulation electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877653.1A CN107510886A (en) | 2017-09-26 | 2017-09-26 | A kind of sacral nerve stimulation electrode and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107510886A true CN107510886A (en) | 2017-12-26 |
Family
ID=60726458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710877653.1A Pending CN107510886A (en) | 2017-09-26 | 2017-09-26 | A kind of sacral nerve stimulation electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107510886A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5628774A (en) * | 1995-04-27 | 1997-05-13 | Incontrol, Inc. | Cardiac lead with composite insulating structure |
| US20030045919A1 (en) * | 2001-08-31 | 2003-03-06 | Swoyer John Matthew | Implantable medical electrical stimulation lead fixation method and apparatus |
| US6990378B1 (en) * | 2003-09-30 | 2006-01-24 | Pacesetter, Inc. | Abrasion-resistant implantable medical lead and a method of fabricating such a lead |
| US20140031911A1 (en) * | 2012-07-30 | 2014-01-30 | Terrell M. Williams | Magnetic resonance imaging compatible medical electrical lead and method of making the same |
| US20140135885A1 (en) * | 2012-11-09 | 2014-05-15 | Cardiac Pacemakers, Inc. | Implantable lead having a lumen with a wear-resistant liner |
| CN208003261U (en) * | 2017-09-26 | 2018-10-26 | 杭州承诺医疗科技有限公司 | A kind of sacral nerve stimulation electrode |
-
2017
- 2017-09-26 CN CN201710877653.1A patent/CN107510886A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5628774A (en) * | 1995-04-27 | 1997-05-13 | Incontrol, Inc. | Cardiac lead with composite insulating structure |
| US20030045919A1 (en) * | 2001-08-31 | 2003-03-06 | Swoyer John Matthew | Implantable medical electrical stimulation lead fixation method and apparatus |
| US6990378B1 (en) * | 2003-09-30 | 2006-01-24 | Pacesetter, Inc. | Abrasion-resistant implantable medical lead and a method of fabricating such a lead |
| US20140031911A1 (en) * | 2012-07-30 | 2014-01-30 | Terrell M. Williams | Magnetic resonance imaging compatible medical electrical lead and method of making the same |
| US20140135885A1 (en) * | 2012-11-09 | 2014-05-15 | Cardiac Pacemakers, Inc. | Implantable lead having a lumen with a wear-resistant liner |
| CN208003261U (en) * | 2017-09-26 | 2018-10-26 | 杭州承诺医疗科技有限公司 | A kind of sacral nerve stimulation electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7051419B2 (en) | Neurostimulating lead | |
| US8538553B2 (en) | MRI compatible implantable lead | |
| US9717899B2 (en) | Method of manufacturing a stimulation lead | |
| US6456888B1 (en) | Geometry for coupling and electrode to a conductor | |
| CN103394158B (en) | Implantable lead | |
| EP2370153B1 (en) | Electrical stimulation leads having rf compatibility and methods of manufacture | |
| US8478424B2 (en) | Medical lead having coaxial connector | |
| EP2448630B1 (en) | Multi-element contact assemblies for electrical stimulation systems and systems and methods of making and using | |
| CN104797290B (en) | Include the implantable leads of the cavity with wear-resistant liner | |
| US9379508B2 (en) | Implantable leads with a conductor coil having two or more sections | |
| US20020095202A1 (en) | Cardiac electrode catheter and method of manufacturing same | |
| US20050027340A1 (en) | System and method for providing a medical lead body having dual conductor layers | |
| US9393406B2 (en) | Pacing lead in an extended area of a heart cavity, implantable by over the wire technique in the deep coronary network | |
| CN102068760B (en) | Implanted bioelectrode and preparation method thereof | |
| CN105056397B (en) | Implantable neural electrical stimulation electrode assemblie and its application process | |
| JP2012115662A (en) | Pacing lead for left cavity of heart, implanted in coronary system | |
| US9604049B2 (en) | Implantable medical leads having oscillating cable conductor lumens | |
| CN208003261U (en) | A kind of sacral nerve stimulation electrode | |
| CN107510886A (en) | A kind of sacral nerve stimulation electrode and preparation method thereof | |
| CN111265771A (en) | Electric lead, preparation method thereof and implantable bioelectrode | |
| US20210106838A1 (en) | Medical device with braided tubular body | |
| CN209392587U (en) | Electric lead and Implanted bioelectrode | |
| RU2260452C1 (en) | Production method and small-sized epidural electrode with stiletto | |
| US8019444B2 (en) | Lead interconnect using a captured fixation member | |
| US11944827B2 (en) | Lead body with flexible circuits and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liao Limin Inventor after: Liu Wei Inventor after: Shi Sisi Inventor after: Li Hao Inventor before: Liu Wei Inventor before: Shi Sisi Inventor before: Li Hao |
|
| CB03 | Change of inventor or designer information |