CN2887336Y - Electrode catheter of implanted nerve stimulator - Google Patents
Electrode catheter of implanted nerve stimulator Download PDFInfo
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- CN2887336Y CN2887336Y CN 200620022817 CN200620022817U CN2887336Y CN 2887336 Y CN2887336 Y CN 2887336Y CN 200620022817 CN200620022817 CN 200620022817 CN 200620022817 U CN200620022817 U CN 200620022817U CN 2887336 Y CN2887336 Y CN 2887336Y
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- silicone rubber
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- nerve stimulator
- electrode catheter
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Abstract
An implanted nerve stimulator electrode catheter pertains to the manufacturing technical field of implanted medical devices. The utility model is composed of a connector needle (1), a connector ring (2), a sealed ring (3), a silicone rubber insulation layer (4), a silicone rubber tube (5), a guide wire (6) and an electrode (7); wherein, the connector needle (1) and the connector ring (2) transfer the electrical stimulation signal from a pulse generator to the guide wire (6), the connector needle (1) and the connector ring (2) are provided with the sealed ring (3) and the silicone rubber insulation layer (4); the guide wire (6), the connector needle (1) and the connector ring (2) are welded together and are covered through by medical silicone rubber tube (5) for insulation; a metal foil (8) is perforated and drilled through by a medical suture line (9), after that, the metal foil is embedded in a silicone rubber insulation cover (10) and then is molded into the spiral shape. The utility model is simple in structure, good in flexibility, reliable in nerve fixation and simple in surgical operation, which can meet the use requirements of the long-term implantation of the implanted nerve stimulator.
Description
Technical field
This utility model relates to a kind of embedded nerve stimulator electrode catheter, belongs to implantation medical equipment manufacturing technology field.
Background technology
Embedded nerve stimulator can be divided into brain depth stimulator, vagus nerve stimulator, spinal cord stimulation device, peripheral nerve stimulation device etc. according to the stimulation location difference.Embedded nerve stimulator is made up of pulse generator and electrode catheter two parts, and the pulse signal that pulse generator sends is transferred to the target spot nerve by electrode catheter, plays the electronic stimulation effect.Requirement to the embedded nerve stimulator electrode catheter in the clinical use is: good mechanical property, and not only pliability is good promptly to require electrode catheter, and is good with neural compliance, is difficult for injured nerve, and resisting fatigue and anti-fracture energy are strong, and long-term implantation can not ruptured; With fixing reliably and with long-term of nerve, be difficult for getting loose; Guarantee sealing, prevent electric leakage or short circuit; Transmission resistance is as far as possible little, thereby the power that electrode catheter consumes when reducing electricity irritation prolongs service life of Implantable Pulse Generator battery.
The embedded nerve stimulator of clinical practice is at present mainly produced by u s companys such as Medtronic, Cyberonics, and its electrode catheter manufacturing technology is unexposed.China's utility model patent " nerve-muscular irritation electrode assembly " (patent No. 02247761.6), the electrode catheter of design adopts glass or plastic material to insulate, electrode comprises a pair of annulus and a pair of sharp hook, its functional character be in bath simultaneously, stimulate every nerve-muscle specimens such as myocomma nerves respectively or alternately, can not be used for implantation type electric stimulation.Failed Chinese invention patent " ring nerve electrode " (patent No. 91103931.7), the snap ring shape electrode that adopts shape-memory material to make guarantees and neural tight the contact, be convenient to installation and removal, but simple snap ring shape electrode has confirmed in clinical practice in recent years that being not suitable for long-term implant into body uses.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model be a kind ofly be fit to long-term implant into body for embedded nerve stimulator has designed, make handling ease, with the reliable electrode catheter of neurofixation.
For realizing above-mentioned purpose, the technical solution of the utility model realizes with following mode:
The embedded nerve stimulator electrode catheter is characterized in that: be made of connector pin (1), connector ring (2), sealing ring (3), silicone rubber insulation layer (4), silicone rubber tube (5), lead (6) and electrode (7); Connector pin (1) and connector ring (2) are delivered to lead (6) with electrical stimulation signal from pulse generator, have sealing ring (3) and silicone rubber insulation layer (4) on connector pin (1), the connector ring (2); Lead (6) and connector pin (1), connector ring (2) weld together, and cover medical grade silicon rubber pipe (5) and insulate; The both positive and negative polarity of the corresponding electricity irritation of two electrodes (7) welds together for tinsel (8) and with lead (6), after tinsel (8) is punched and penetrating suture (9), is molded into screw type after embedding silicon rubber insulation cover (10).
By above-mentioned technical scheme, lead (6) is a multiply spirality metal silk structure, and material can adopt rustless steel, MP35N alloy, also can adopt special materials such as DBS and DFT; Tinsel (8) adopts platinum or platinumiridio material; Connector pin (1) and connector ring (2) adopt stainless steel material; Sealing ring (3), silicone rubber insulation layer (4) and silicon rubber insulation cover (10) are the medical grade silicon rubber material, and mold pressing, high temperature curing process are made.
Electrode catheter of the present utility model, compared with prior art, simple in structure, pliability good, with neurofixation reliable, operation technique is simple, satisfies the requirement that embedded nerve stimulator is implanted use for a long time.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is a conductor structure sketch map of the present utility model.
Fig. 3 is an electrode structure sketch map of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model and installation step are described:
As shown in Figure 1, Fig. 1 is this utility model structural representation, wherein, and 1 connector pin; 2 connector rings; 3 sealing rings; 4 silicone rubber insulation layers; 5 silicone rubber tubes; 6 leads; 7 electrodes.
The embedded nerve stimulator electrode catheter is made of connector pin (1), connector ring (2), sealing ring (3), silicone rubber insulation layer (4), silicone rubber tube (5), lead (6) and electrode (7): connector pin (1) and connector ring (2) are processed into by rustless steel, its exposed metal partly is used for and the electrically contacting of Implantable Pulse Generator corresponding component, and stimulation pulse signal is drawn.Lead (6) is that (as shown in Figure 2, Fig. 2 is a conductor structure sketch map of the present utility model to multiply spirality metal silk structure.), this structure makes lead very soft, and toughness is fine; Conductor material can use rustless steel or MP35N alloy, in order further to reduce conductor resistance, uses special materials such as DBS and DFT.Connector pin (1), connector ring (2) are connected with lead (6), use welding procedure to finish, and weld as pulse laser.Make shape of the mouth as one speaks mould, adopt expressing technique to obtain the good silicone rubber tube (5) of pliability, be sleeved on screw electrode lead (6) then and go up to reach insulating purpose.
Have sealing ring (3) and silicone rubber insulation layer (4) on connector pin (1) and the connector ring (2), sealing ring (3) is used for the sealing with the Implantable Pulse Generator corresponding component, and silicone rubber insulation layer (4) is used for the insulation between two groups of connector pin/leads and the connector ring/lead.With mold pressing and high temperature curing process, time processing goes out sealing ring (3) and silicone rubber insulation layer (4), finishes the integrated of adapter and lead.
Electrode (7) has two, and the both positive and negative polarity of corresponding electricity irritation is made of tinsel (8), suture (9) and screw type silicon rubber insulation cover (10) respectively, and as shown in Figure 3, Fig. 3 is an electrode structure sketch map of the present utility model, wherein, and 8 tinsels; 9 suturees; 10 silicon rubber insulation covers: tinsel (8) is selected platinum or platinumiridio material for use, adds a certain amount of iridium, can improve the mechanical strength of tinsel (8), and not change chemical property; Be connected with welding method between tinsel (8) and the lead (6);
Punching on tinsel (8), after suture (9) penetrated sheet metal (8) by this hole, embed silicon rubber insulation cover (10), with mold pressing and high temperature curing process, obtain spiral electrode (7), and realize the integrated of electrode (7) and lead (6).
During operation, two electrodes (7) are installed successively.Clamp the stitching thread (9) at an electrode (7) two ends with tweezers, draw back the helical structure of electrode (7) to two ends, rotation is installed on the nerve, and nerve will be enclosed in the centre of spiral electrode (7) like this.
The effect of stitching thread (9) is to make facilitating operation reliable, draws back electrode (7) by traction stitching thread (9) during operation, avoids the straightforward manipulation of instrument counter electrode (7) such as metal tweezers to cause irreversible damage.Spiral type silicon rubber insulation cover (10) effect is: its better elastic has guaranteed that electrode (7) tightly is enclosed within on the nerve, and pressure can be not excessive; Its insulating effect has guaranteed that the electric pulse effective stimulus is enclosed in the nerve in the screw type electrode (7), but not other outer tissue of electrode (7).
Claims (6)
1, the embedded nerve stimulator electrode catheter is characterized in that, this electrode catheter is made of connector pin (1), connector ring (2), sealing ring (3), silicone rubber insulation layer (4), silicone rubber tube (5), lead (6) and electrode (7);
Connector pin (1) and connector ring (2) are delivered to lead (6) with electrical stimulation signal from pulse generator, have sealing ring (3) and silicone rubber insulation layer (4) on connector pin (1), the connector ring (2); Lead (6) and connector pin (1), connector ring (2) weld together, and cover medical grade silicon rubber pipe (5) and insulate; The both positive and negative polarity of the corresponding electricity irritation of two electrodes (7) welds together for tinsel (8) and with lead (6), after tinsel (8) is punched and penetrating suture (9), is molded into screw type after embedding silicon rubber insulation cover (10).
2, embedded nerve stimulator electrode catheter according to claim 1 is characterized in that, described lead (6) is a multiply spirality metal silk structure, and material is rustless steel, MP35N alloy.
3, embedded nerve stimulator electrode catheter according to claim 1 is characterized in that, described lead (6) is a multiply spirality metal silk structure, and material is DBS and DFT material.
4, embedded nerve stimulator electrode catheter according to claim 1 is characterized in that, described tinsel (8) is platinum or platinumiridio material.
5, embedded nerve stimulator electrode catheter according to claim 1 is characterized in that, described connector pin (1) and connector ring (2) are stainless steel material.
6, embedded nerve stimulator electrode catheter according to claim 1 is characterized in that, described lead sealing ring (3), silicone rubber insulation layer (4) and silicon rubber insulation cover (10) are the medical grade silicon rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022817 CN2887336Y (en) | 2006-03-10 | 2006-03-10 | Electrode catheter of implanted nerve stimulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022817 CN2887336Y (en) | 2006-03-10 | 2006-03-10 | Electrode catheter of implanted nerve stimulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2887336Y true CN2887336Y (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620022817 Expired - Lifetime CN2887336Y (en) | 2006-03-10 | 2006-03-10 | Electrode catheter of implanted nerve stimulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN2887336Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210901A (en) * | 2010-04-02 | 2011-10-12 | 鼎迈医疗科技(苏州)有限公司 | Extension lead for implantable neuroelectric stimulation system |
| CN102255183A (en) * | 2011-04-20 | 2011-11-23 | 北京品驰医疗设备有限公司 | Extension lead wire of implantable neural stimulation system |
| CN102824689A (en) * | 2012-09-07 | 2012-12-19 | 清华大学 | Implanted electrode and preparation method thereof and medical assembly comprising implanted electrode |
| CN103648580A (en) * | 2012-06-28 | 2014-03-19 | 上海微创医疗器械（集团）有限公司 | Assembly of active cardiac electrical lead |
| CN104136069A (en) * | 2011-11-04 | 2014-11-05 | 上海微创医疗器械（集团）有限公司 | Implantable medical lead |
| CN104302355A (en) * | 2012-12-31 | 2015-01-21 | 上海微创医疗器械（集团）有限公司 | Cardiac electrical lead |
| CN104353181A (en) * | 2014-11-06 | 2015-02-18 | 北京品驰医疗设备有限公司 | Implanted spiral electrode and manufacturing method thereof |
| CN105536141A (en) * | 2016-01-21 | 2016-05-04 | 常州瑞神安医疗器械有限公司 | Implantable neural stimulator electrode lead contact structure |
| CN105641805B (en) * | 2014-10-28 | 2017-11-28 | 常州瑞神安医疗器械有限公司 | Embedded nerve stimulator electrode contacts structure |
| CN109364372A (en) * | 2018-12-13 | 2019-02-22 | 北京品驰医疗设备有限公司 | Head components, impulse generator and implantation type electric stimulation system |
| CN110520030A (en) * | 2017-04-19 | 2019-11-29 | 奥林巴斯株式会社 | Rigid variable actuator |
-
2006
- 2006-03-10 CN CN 200620022817 patent/CN2887336Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210901A (en) * | 2010-04-02 | 2011-10-12 | 鼎迈医疗科技(苏州)有限公司 | Extension lead for implantable neuroelectric stimulation system |
| CN102255183A (en) * | 2011-04-20 | 2011-11-23 | 北京品驰医疗设备有限公司 | Extension lead wire of implantable neural stimulation system |
| CN102255183B (en) * | 2011-04-20 | 2014-06-18 | 北京品驰医疗设备有限公司 | Extension lead wire of implantable neural stimulation system |
| CN104136069A (en) * | 2011-11-04 | 2014-11-05 | 上海微创医疗器械（集团）有限公司 | Implantable medical lead |
| CN104136069B (en) * | 2011-11-04 | 2016-04-13 | 上海微创医疗器械（集团）有限公司 | Implantable medical lead |
| CN103648580B (en) * | 2012-06-28 | 2016-08-17 | 上海微创医疗器械（集团）有限公司 | The assembling of active cardiac electrical lead |
| CN103648580A (en) * | 2012-06-28 | 2014-03-19 | 上海微创医疗器械（集团）有限公司 | Assembly of active cardiac electrical lead |
| CN102824689B (en) * | 2012-09-07 | 2014-12-24 | 清华大学 | Implanted electrode and preparation method thereof and medical assembly comprising implanted electrode |
| CN102824689A (en) * | 2012-09-07 | 2012-12-19 | 清华大学 | Implanted electrode and preparation method thereof and medical assembly comprising implanted electrode |
| CN104302355A (en) * | 2012-12-31 | 2015-01-21 | 上海微创医疗器械（集团）有限公司 | Cardiac electrical lead |
| CN104302355B (en) * | 2012-12-31 | 2016-05-25 | 上海微创医疗器械（集团）有限公司 | Cardiac electrical leads |
| CN105641805B (en) * | 2014-10-28 | 2017-11-28 | 常州瑞神安医疗器械有限公司 | Embedded nerve stimulator electrode contacts structure |
| CN104353181A (en) * | 2014-11-06 | 2015-02-18 | 北京品驰医疗设备有限公司 | Implanted spiral electrode and manufacturing method thereof |
| CN105536141A (en) * | 2016-01-21 | 2016-05-04 | 常州瑞神安医疗器械有限公司 | Implantable neural stimulator electrode lead contact structure |
| CN105536141B (en) * | 2016-01-21 | 2019-01-04 | 常州瑞神安医疗器械有限公司 | A kind of embedded nerve stimulator electrode cable contact structure |
| CN110520030A (en) * | 2017-04-19 | 2019-11-29 | 奥林巴斯株式会社 | Rigid variable actuator |
| CN109364372A (en) * | 2018-12-13 | 2019-02-22 | 北京品驰医疗设备有限公司 | Head components, impulse generator and implantation type electric stimulation system |
| CN109364372B (en) * | 2018-12-13 | 2023-09-05 | 北京品驰医疗设备有限公司 | Top cover component, pulse generator and implantable electrical stimulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070411 |
|
| EXPY | Termination of patent right or utility model |