CN102255183A - Extension lead wire of implantable neural stimulation system - Google Patents
Extension lead wire of implantable neural stimulation system Download PDFInfo
- Publication number
- CN102255183A CN102255183A CN2011101050625A CN201110105062A CN102255183A CN 102255183 A CN102255183 A CN 102255183A CN 2011101050625 A CN2011101050625 A CN 2011101050625A CN 201110105062 A CN201110105062 A CN 201110105062A CN 102255183 A CN102255183 A CN 102255183A
- Authority
- CN
- China
- Prior art keywords
- extension lead
- release portion
- shaped
- stress release
- lead wire
- 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.)
- Granted
Links
Images
Abstract
The invention discloses an extension lead wire of an implantable neural stimulation system. The extension lead wire comprises three parts consisting of a plug, a connection wire and a socket. One end of a section of ring-wound thin lead wire is connected with a spiral lead wire in the connection wire. The other end of the ring-wound thin lead wire is connected with a metal member in the socket. The extension lead wire is manufactured by using the ring-wound thin lead wire, thus, the fatigue resistance performance and the integral reliability of the extension lead wire can be improved.
Description
Technical field
The present invention relates to a kind of manufacturing technology that is used for implantable medical devices, especially the extension lead of implantable nerve stimulating system.
Background technology
The implantable nerve stimulating system comes excitement, inhibition or nervous system regulation conduction by the mode of electrostimulation, thereby reaches the result of treatment of recovering or improving the function of human body running.The implantable nerve irritation therapy has been proved has definite curative effect to kind of a maladjusted nervous system disease surplus 20.Compare with traditional pharmaceutical methods and operation damage method, implantable nerve irritation therapy safety is reversible, is used just more and more clinically.The implantable nerve stimulating system can be subdivided into brain depth stimulator, vagus nerve stimulator, SCS device, peripheral nerve stimulation device etc. according to the difference of stimulation location.
The implantable nerve stimulating system is generally by pulse generator and electrode catheter two parts, and perhaps pulse generator, extension lead and electrode catheter three parts are formed.The stimulus signal that pulse generator produces is by extension lead, electrode catheter, and final arrival stimulates target spot, excites nerve, and produces the effect of treatment.
With common brain depth stimulator is example, and the pulse generator of this system is placed on the subcutaneous of people's chest, and electrode catheter is placed on people's head, and being electrically connected by extension lead between the two finished.Extension lead integral body all is in the subcutaneous of people, and it extends to chest along neck always behind people's ear.The activity of neck, chest muscle can stretch, compresses, crooked, reverse extension lead.Especially neck can move significantly, and this makes extension lead be in the ambient stress of very severe.In stimulator reaches the useful life period of several years even more than ten years, how to guarantee that the connection reliability of the mechanical property of extension lead and electric property, raising stimulator is very important problem in the design of extension lead, the manufacture process.
The extension lead of brain depth stimulator is formed (referring to Fig. 1) by plug, connecting line, socket three parts.In the operation of the brain depth stimulator finished in the period of in the past surplus in the of ten, because the connecting line of extension lead has taken place a lot of with the operation inefficacy that causes that goes wrong that is connected between the socket.Connected mode between existing connecting line and the socket is as shown in Figure 2: almost stretching thin wire couples together helix in the connecting line and the metalwork in the socket.In such connected mode, slight stretching or bending take place in extension lead, even a little reversing, and all make the junction at thin wire two ends produce bigger stress, in long-term implantation process, be easy to cause the tie point generation low-cycle fatigue fracture at thin wire two ends.
Summary of the invention
In view of the above-mentioned defective of prior art, the object of the present invention is to provide a kind of extension lead of improved implantable nerve stimulating system, to guarantee the mechanical property and the electric property of extension lead, improve the reliability that connects.
A kind of extension lead that is used for implantable medical devices, comprise first link, connecting line and second link, described connecting line is made up of multi-cavity insulated tube and each intraluminal helix, it is characterized in that, also comprise many thin wires, each bar in described many thin wires has:
Close end, it forms with described helix and is electrically connected,
Distal portion, it forms with metalwork in described second link and is electrically connected;
And at least one in described many thin wires also have:
Stress Release portion, it is arranged between described close end and the described distal portion, is used to discharge the stress of described extension lead inside.
Preferably, described Stress Release portion is shaped as ring-type.
Preferably, described Stress Release portion is shaped as the helical form that the axis around this thin wire forms.
Preferably, described Stress Release portion is shaped as the helical form tangent with the axis of this thin wire.
Preferably, described Stress Release portion is shaped as the Ω shape.
Preferably, described Stress Release portion is shaped as 8 word shapes.
Preferably, described Stress Release portion is shaped as broken line shape.
Preferably, described Stress Release portion is shaped as the S shape.
Preferably, described first link is to form the plug that is electrically connected with described implantable medical devices, and described second link is a socket.
When adopting connected mode of the present invention, as long as stretching, stretching that connecting line takes place or ring crooked or that the behavior of reversing does not make thin wire be wound with disappear, very little stress is not born or only born in the junction at thin wire two ends.After the ring that has only thin wire to be wound with disappeared, the thin wire two ends just began to bear bigger stress.In addition, can also make that the ring that thin wire is wound with can not disappear in the normal scope of activities of patient by the form of adjusting around ring (including but not limited to), thereby improve the anti-fatigue ability and the reliability of extension lead greatly around the size of ring or around the number of times that encircles.
Description of drawings
Fig. 1 is the overall diagram of the extension lead of implantable nerve stimulating system;
Fig. 2 is the connected mode schematic diagram of extension lead of the prior art;
Fig. 3 is the connection diagram according to extension lead of the present invention;
Fig. 4 is the shape schematic diagram of thin wire according to the present invention around ring.
The implication of each mark representative is among the figure:
1. plug, 2. connecting line, 3. socket, 4. four chamber silicone rubber tubes, 5. helix, 6. thin wire, 7. metalwork.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention and manufacture process are described:
Figure 1 shows that a kind of extension lead that is used for the implantable nerve stimulating system, it is made up of plug (1), connecting line (2) and socket (3) three parts.
Figure 2 shows that the connected mode of existing connecting line and socket.Connecting line between the plug and socket is made up of the insulated tube (4) (for example four chamber silicone rubber tubes) of multi-cavity and the spiral conducting line (5) in the pipe, socket is made up of the insulator (not drawing among the figure) of metalwork (7) (connecting terminal) and separation, fixing metal spare, connects with the thin wire (6) that is coated with insulating layer coating between helix and the metalwork.In the existing connected mode, thin wire is in stretching or intimate stretching state substantially.Like this, when connecting line takes place slightly when crooked, can produce bigger stress in the junction at thin wire two ends.
Figure 3 shows that according to an embodiment of the present wherein the proximal end of thin wire links to each other with plug, distal end links to each other with metalwork in the socket, and the centre is wound with an annulus that is used to discharge stress, is shaped as the helical form tangent with the axis of this thin wire.
The embodiment of various distortion of part that is used to discharge stress shown in Figure 4 for thin wire.Wherein, thin wire middle part shown in (a) among Fig. 4 forms the helical form tangent with its axis, (b) the thin wire middle part shown in forms the Ω shape, (c) the thin wire middle part shown in forms 8 word shapes, (d) the thin wire middle part shown in forms the broken line of S shape, and (e) the thin wire middle part shown in forms the helical form around the axis formation of this thin wire.
Further, described thin wire around loop type can be the plane can also be the space.
Further, described thin wire can be any one form improvement on this basis among a, b shown in Figure 4, c, d, the e around loop type, for example: repeatedly around the ring of identical or different form, annulus is become polygonal circle.
Further, each the root thin wire in the extension lead can adopt identical around loop type, or different from loop type.
More than extension lead among the various embodiment can adopt any suitable mode of the prior art to make moulding.With the ring-type is example, and its a kind of manufacture method that is easy to realize is that thin wire is wound with one circuit on the pole of suitable diameter, takes out pole then and gets final product.
The above only is several specific embodiment of the present invention, and above embodiment only is used for technical scheme of the present invention and inventive concept are done explanation and unrestricted claim scope of the present invention.All technical staff in the art in conjunction with prior art, by the available other technologies scheme of logic analysis, reasoning or limited experiment, also should be considered to drop within the claim protection range of the present invention on inventive concept of the present invention basis.
Claims (9)
1. extension lead that is used for implantable medical devices, comprise first link, connecting line and second link, described connecting line is made up of multi-cavity insulated tube and each intraluminal helix, it is characterized in that, also comprise many thin wires, each bar in described many thin wires has:
Close end, it forms with described helix and is electrically connected,
Distal portion, it forms with metalwork in described second link and is electrically connected;
And at least one in described many thin wires also have:
Stress Release portion, it is arranged between described close end and the described distal portion, is used to discharge the stress of described extension lead inside.
2. extension lead according to claim 1 is characterized in that, described Stress Release portion is shaped as ring-type.
3. extension lead according to claim 2 is characterized in that, described Stress Release portion is shaped as the helical form that the axis around this thin wire forms.
4. extension lead according to claim 2 is characterized in that, described Stress Release portion is shaped as the helical form tangent with the axis of this thin wire.
5. extension lead according to claim 2 is characterized in that, described Stress Release portion is shaped as the Ω shape.
6. extension lead according to claim 2 is characterized in that, described Stress Release portion is shaped as 8 word shapes.
7. extension lead according to claim 1 is characterized in that, described Stress Release portion is shaped as broken line shape.
8. extension lead according to claim 7 is characterized in that, described Stress Release portion is shaped as the S shape.
9. according to the described extension lead of aforementioned arbitrary claim, it is characterized in that described first link is to form the plug that is electrically connected with described implantable medical devices, described second link is a socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110105062.5A CN102255183B (en) | 2011-04-20 | 2011-04-20 | Extension lead wire of implantable neural stimulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110105062.5A CN102255183B (en) | 2011-04-20 | 2011-04-20 | Extension lead wire of implantable neural stimulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102255183A true CN102255183A (en) | 2011-11-23 |
| CN102255183B CN102255183B (en) | 2014-06-18 |
Family
ID=44982248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110105062.5A Active CN102255183B (en) | 2011-04-20 | 2011-04-20 | Extension lead wire of implantable neural stimulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102255183B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515760B (en) * | 2012-06-18 | 2017-06-09 | 百多力欧洲股份两合公司 | By electrode machinery and it is electrically connected to the adapter of at least one calibrating terminal contact |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2887336Y (en) * | 2006-03-10 | 2007-04-11 | 清华大学 | Electrode catheter of implanted nerve stimulator |
| CN201469401U (en) * | 2009-08-21 | 2010-05-19 | 刘小青 | Spiral renal-artery-around renal sympathetic nerve radio-frequency ablation electrode catheter |
| WO2010091237A2 (en) * | 2009-02-06 | 2010-08-12 | Med-El Elektromedizinische Geraete Gmbh | Implantable electrode with variable mechanical modulation wiring |
| CN201643408U (en) * | 2010-03-26 | 2010-11-24 | 苏州鼎迈医疗科技有限公司 | Extended conducting wire of implanted nerve electric stimulating system |
| CN201643409U (en) * | 2010-04-02 | 2010-11-24 | 苏州鼎迈医疗科技有限公司 | Extension lead used for implantable neural electrical simulation system |
| US7904161B2 (en) * | 2001-10-22 | 2011-03-08 | Oscor Inc. | Lead adaptor having low resistance conductors and/or encapsulated housing |
| US8391982B2 (en) * | 2008-01-31 | 2013-03-05 | Boston Scientific Neuromodulation Corporation | Lead with lead stiffener for implantable electrical stimulation systems and methods of making and using |
-
2011
- 2011-04-20 CN CN201110105062.5A patent/CN102255183B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7904161B2 (en) * | 2001-10-22 | 2011-03-08 | Oscor Inc. | Lead adaptor having low resistance conductors and/or encapsulated housing |
| CN2887336Y (en) * | 2006-03-10 | 2007-04-11 | 清华大学 | Electrode catheter of implanted nerve stimulator |
| US8391982B2 (en) * | 2008-01-31 | 2013-03-05 | Boston Scientific Neuromodulation Corporation | Lead with lead stiffener for implantable electrical stimulation systems and methods of making and using |
| WO2010091237A2 (en) * | 2009-02-06 | 2010-08-12 | Med-El Elektromedizinische Geraete Gmbh | Implantable electrode with variable mechanical modulation wiring |
| CN201469401U (en) * | 2009-08-21 | 2010-05-19 | 刘小青 | Spiral renal-artery-around renal sympathetic nerve radio-frequency ablation electrode catheter |
| CN201643408U (en) * | 2010-03-26 | 2010-11-24 | 苏州鼎迈医疗科技有限公司 | Extended conducting wire of implanted nerve electric stimulating system |
| CN201643409U (en) * | 2010-04-02 | 2010-11-24 | 苏州鼎迈医疗科技有限公司 | Extension lead used for implantable neural electrical simulation system |
Non-Patent Citations (1)
| Title |
|---|
| 李路明，郝红伟: "植入式神经刺激器的限制与发展趋势", 《中国医疗器械杂志》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515760B (en) * | 2012-06-18 | 2017-06-09 | 百多力欧洲股份两合公司 | By electrode machinery and it is electrically connected to the adapter of at least one calibrating terminal contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102255183B (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9833611B2 (en) | Systems and methods for making and using improved contact arrays for electrical stimulation systems | |
| US10342983B2 (en) | Systems and methods for making and using connector contact arrays for electrical stimulation systems | |
| JP5265670B2 (en) | System and method for intravenously securing an implantable medical device | |
| US7315763B2 (en) | Cochlear implant electrode and method of making same | |
| EP2024013B1 (en) | Implantable medical lead assemblies with delivery tether | |
| US20070250143A1 (en) | Multi-conductor ribbon coiled medical device lead | |
| US8280528B2 (en) | Implantable cochlear lead | |
| ES2545397T3 (en) | Multi-element contact assemblies for electrical stimulation systems and manufacturing and use systems and procedures | |
| CN102068760B (en) | Implanted bioelectrode and preparation method thereof | |
| US20190209834A1 (en) | Implantable stimulation leads for glial modulation and methods of making and using same | |
| CN105579096A (en) | Multi-branch stimulation electrode for subcutaneous field stimulation | |
| Prochazka | Neurophysiology and neural engineering: a review | |
| WO2023066065A1 (en) | Implantable medical device and medical wire thereof | |
| US20130018445A1 (en) | Neurostimulation lead | |
| US20040055776A1 (en) | Stretchable conducting lead | |
| CN203647859U (en) | Dedicated vagus nerve stimulation electrodes applied to animals | |
| CN102210901A (en) | Extension lead for implantable neuroelectric stimulation system | |
| CN102255183B (en) | Extension lead wire of implantable neural stimulation system | |
| CN104941065A (en) | Implanted type electrical nerve stimulation system and protection sleeve applied to same | |
| CN202352915U (en) | Extension lead for implantable nerve stimulation system | |
| CN113856048A (en) | Electrical lead, processing method, extension cord, electrode and electrical stimulation system | |
| CN207666983U (en) | Extension wire and Implanted medical system including the extension wire | |
| CN209392587U (en) | Electric lead and Implanted bioelectrode | |
| CN201643409U (en) | Extension lead used for implantable neural electrical simulation system | |
| CN204230581U (en) | A kind of high density attachment plug for implantable neural electrical stimulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |