CN204319511U - A kind of connecting device of implantable neural electrical stimulator - Google Patents
A kind of connecting device of implantable neural electrical stimulator Download PDFInfo
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- CN204319511U CN204319511U CN201420734315.4U CN201420734315U CN204319511U CN 204319511 U CN204319511 U CN 204319511U CN 201420734315 U CN201420734315 U CN 201420734315U CN 204319511 U CN204319511 U CN 204319511U
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Abstract
This utility model relates to a kind of connecting device for implantable neural electrical stimulator, belongs to implantation medical equipment manufacturing technology field.This connecting device is divided into cap assembly and plug two parts: plug is cylindric or aciculiform, is divided into spaced apart canned paragraph, conductive segment and insulated enclosure section three part; Cap assembly comprises top cover and is arranged on the cavity that can hold plug on top cover, arranges multiple conducting connecting part corresponding with the conductive segment position of plug in cavity, and in cavity, arrange a screw holder relative with the canned paragraph position of plug; Between each conducting connecting part, and between conducting connecting part and screw holder, intermediate seal circle is set respectively; Screw holder and top cover are arranged and the orthogonal screw of cavity holding plug, and hold-down screw is set in hole.Use this device, can in less space safety, effectively realize the connection of multiple passage.And this device has sealing reliability advantage high, easy and simple to handle.
Description
Technical field
This utility model relates to a kind of connecting device for implantable neural electrical stimulator, belongs to implantation medical equipment manufacturing technology field.
Background technology
Implantable neural electrical stimulator is a kind of active implantable medical devices.Implantable neural electrical stimulator by the mode of electricity irritation come excited, suppress or nervous system regulation conduction, thus reach the therapeutic effect recovering or improve function of human body running.Implantable neural electrical stimulation therapy has been proved plants maladjusted nervous system disease to more than 20 and has definite curative effect.Compare with surgical operation damage method with traditional pharmaceutical methods, implantable neural electrical stimulation therapy safety is reversible, is used just more and more clinically.Implantable neural electrical stimulator, according to the difference of stimulation location, can be subdivided into brain depth stimulator, vagus nerve stimulator, spinal stimulator, peripheral nerve stimulation device etc.
Similar with widely used cardiac pacemaker system, implantable neural electrical stimulator is also made up of the wire (being called electrode or extension lead) of the pulse generator and transmission stimulus signal that produce stimulus signal.Because of the difference of various system practical application, implantable neural electrical stimulator or be made up of pulse generator, extension lead, electrode three part, or only have pulse generator and electrode two parts composition.This two type systematic is all needed to set up convenient, safe and reliable plug-in between pulse generator with extension lead (or electrode) be connected, namely can either fast, effectively connect between the pulse generator of suitable model and extension lead (or electrode), without damage both can be separated again, so that change some assemblies wherein.
Plug-in is connected in cardiac pacemaker or defibrillator and widely uses, and defines international standard, such as IS-1, DF-1, IS-4 and DF-4 connector standards.IS-1 adapter can only realize at most the electrical connection of two passages, and the union joint size for connecting is approximately diameter 3.2mm, length 20mm.DF-4 adapter can realize the electrical connection of four passages, and the union joint size for connecting is approximately diameter 4.2mm, length 30mm.Stimulation system needs to realize more multichannel connection, if directly use the AN connector such as existing IS-1, the cumulative volume of adapter will become very large, and aggravation patient implants the risk of rear generation skin infection or ulceration.
In view of the needs of clinical practice, be necessary to develop the less adapter of a kind of volume, use and reduce the risk that patient develops complications to facilitate doctor.
Summary of the invention
The purpose of this utility model is to provide a kind of connecting device for implantable neural electrical stimulator, and it can realize the connection between pulse generator and extension lead (or electrode) under less volume.
The technical solution adopted in the utility model is:
This connecting device is divided into cap assembly and plug two parts:
Described plug is cylindric or aciculiform, and be divided into canned paragraph, conductive segment and insulated enclosure section three part, multiple conductive segment is distributed in the insertion end of plug, and canned paragraph is positioned at the terminals of plug; Between each conductive segment and between conductive segment and canned paragraph, insulated enclosure section is set respectively;
Described cap assembly comprises top cover and is arranged on the cavity that can hold plug on top cover, the innermost end of described cavity arranges multiple conducting connecting part corresponding with the conductive segment position of plug, and in cavity, arrange a screw holder corresponding with the canned paragraph position of plug; Between each conducting connecting part, and an intermediate seal circle is set between conducting connecting part and screw holder respectively; Described screw holder and top cover are arranged one with the orthogonal screw of cavity holding plug, and hold-down screw is set in hole.
The screw place of described top cover arranges sealing-plug.
The cavity entrance of described top cover arranges end seal circle.
This utility model tool has the following advantages:
(1) Connection Density is high: the union joint (plug) that profit makes in this way can realize the electrical connection of 4 passages in the size range of diameter 1.3mm, length 25mm.And, can in the scope of thickness 11mm two union joints placed side by side, thus realize the electrical connection of 8 passages.
(2) sealing reliability is high: after connection, is electrically connected and has two seals protection at least between (conductive segment of a pair contact and conducting connecting part) and external environment.Sealing-plug and end seal circle form first seal protection, and the intermediate seal circle of screw holder side is second protection.And, adjacent electrical connection between also have the seal protection of intermediate seal circle.In actual applications, first seal protection lost efficacy, whole connection or safe and effective; Even if second seal protection lost efficacy, it was safe and effective for also having part to connect.
(3) easy and simple to handle: whole connection only uses a screw, therefore only need a stubborn screw during surgical operation, such that operation is very easy, simple.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of connecting device of the present utility model;
Fig. 2 is the structural representation of the cap assembly in this utility model;
Fig. 3 is the structural representation of the plug in this utility model.
Number in the figure:
1-cap assembly, 2-plug, 11-intermediate seal circle, 12-conducting connecting part, 13-sealing-plug, 14-hold-down screw, 15-screw holder, 16-end seal circle, 17-top cover, 21-conductive segment, 22-insulated enclosure section, 23-canned paragraph.
Detailed description of the invention
This utility model provides a kind of connecting device for implantable neural electrical stimulator, is described further this utility model below in conjunction with the drawings and specific embodiments.
This connecting device is divided into cap assembly 1 and plug 2 two parts.
Fig. 3 is the structural representation of the plug in this utility model.Plug 2 is aciculiform, and be divided into canned paragraph 23, conductive segment 21 and insulated enclosure section 22 3 part, multiple conductive segments 21 are distributed in the insertion end of plug 2, and canned paragraph 23 is positioned at the terminals of plug 2; Between each conductive segment 21 and between conductive segment 21 and canned paragraph 23, insulated enclosure section 22 is set respectively.Plug 2 is by the mode of insert injection moulding, and with polyurethane material by plug once injection moulding, conductive segment 21 is the beckets be embedded on polyurethane with the outer surface of canned paragraph 23, and insulated enclosure section 22 and other parts are all polyurethane materials.
Fig. 2 is the structural representation of the cap assembly in this utility model.Cap assembly 1 comprises top cover 17 and is arranged on the cavity of the accommodation plug 2 on top cover 17, the innermost end of described cavity arranges multiple conducting connecting part 12 corresponding with conductive segment 21 position of plug 2, and in cavity, arrange a screw holder 15 corresponding with canned paragraph 23 position of plug 2; Between each conducting connecting part 12, and an intermediate seal circle 11 is set between conducting connecting part 12 and screw holder 15 respectively; Described screw holder 15 and top cover 17 are arranged one with the orthogonal screw of cavity holding plug 2, and hold-down screw 14 is set in hole.The screw place of top cover 17 arranges sealing-plug 13, and the cavity entrance of top cover 17 arranges end seal circle 16.
Top cover 17 is obtained by polyurethane injection mo(u)lding, and intermediate seal circle 11, sealing-plug 13 and end seal circle 16 can by the molded acquisitions of silicon rubber mould, and conducting connecting part 12, hold-down screw 14, screw holder 15 are processed by stainless steel material.After each part combination assembling, be adhesively fixed with fluid silicone rubber, seal, thus obtain cap assembly 1.
Fig. 1 is the overall structure schematic diagram of connecting device of the present utility model.After plug 2 inserts cap assembly 1, by hold-down screw 14, both are coupled together.
When plug 2 inserts cap assembly 1, penetrate end seal circle 16, screw holder 15, intermediate seal circle 11, conducting connecting part 12 successively.After plug 2 inserts, the conductive segment 21 on plug contacts with the conducting connecting part 12 of cap assembly 1 li (conductive segment 21 contacted for a pair and conducting connecting part 12 are called one be electrically connected to), and realization is electrically connected; Insulated enclosure section 22 on plug 2 matches with the intermediate seal circle 11 of cap assembly 1 li, realizes the electric insulation between each path and prevents fluid seepage; Screw holder 15, the hold-down screw 14 of the canned paragraph 23 on plug 2 and cap assembly 1 li match, and plug 2 and cap assembly 1 are fixed together by screw in compression; Sealing-plug 13 above screw holder 15 is by hold-down screw 14, screw holder 15 and external environment insulated enclosure.
Claims (3)
1. a connecting device for implantable neural electrical stimulator, is divided into cap assembly (1) and plug (2) two parts, it is characterized in that,
Described plug (2) is cylindric or aciculiform, be divided into canned paragraph (23), conductive segment (21) and insulated enclosure section (22) three part, multiple conductive segment (21) is distributed in the insertion end of plug (2), and canned paragraph (23) is positioned at the terminals of plug (2); Between each conductive segment (21) and between conductive segment (21) and canned paragraph (23), insulated enclosure section (22) is set respectively;
The cavity that can hold plug (2) that described cap assembly (1) comprises top cover (17) and is arranged on top cover (17), the innermost end of described cavity arranges multiple conducting connecting part (12) corresponding with conductive segment (21) position of plug (2), and in cavity, arrange a screw holder (15) corresponding with canned paragraph (23) position of plug (2); Between each conducting connecting part (12), and an intermediate seal circle (11) is set between conducting connecting part (12) and screw holder (15) respectively; Described screw holder (15) and top cover (17) are arranged one with the orthogonal screw of cavity holding plug (2), and hold-down screw (14) is set in hole.
2. the connecting device of a kind of implantable neural electrical stimulator according to claim 1, is characterized in that, the screw place of described top cover (17) arranges sealing-plug (13).
3. the connecting device of a kind of implantable neural electrical stimulator according to claim 1, is characterized in that, the cavity entrance of described top cover (17) arranges end seal circle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734315.4U CN204319511U (en) | 2014-11-28 | 2014-11-28 | A kind of connecting device of implantable neural electrical stimulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734315.4U CN204319511U (en) | 2014-11-28 | 2014-11-28 | A kind of connecting device of implantable neural electrical stimulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204319511U true CN204319511U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420734315.4U Active CN204319511U (en) | 2014-11-28 | 2014-11-28 | A kind of connecting device of implantable neural electrical stimulator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808313A (en) * | 2018-07-06 | 2018-11-13 | 清华大学 | Bindiny mechanism, implantable medical devices and the connection method of implantable medical devices |
| 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 |
| CN113809593A (en) * | 2021-09-30 | 2021-12-17 | 苏州景昱医疗器械有限公司 | Connecting device and nerve electrical stimulation system |
| CN114824919A (en) * | 2022-06-29 | 2022-07-29 | 苏州景昱医疗器械有限公司 | Connector and stimulation system |
-
2014
- 2014-11-28 CN CN201420734315.4U patent/CN204319511U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808313A (en) * | 2018-07-06 | 2018-11-13 | 清华大学 | Bindiny mechanism, implantable medical devices and the connection method of implantable medical devices |
| CN108808313B (en) * | 2018-07-06 | 2019-12-13 | 清华大学 | connecting mechanism of implantable medical device, implantable medical device and connecting method |
| 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 |
| CN113809593A (en) * | 2021-09-30 | 2021-12-17 | 苏州景昱医疗器械有限公司 | Connecting device and nerve electrical stimulation system |
| WO2023051484A1 (en) * | 2021-09-30 | 2023-04-06 | 苏州景昱医疗器械有限公司 | Connection device and electrical neurostimulation system |
| CN113809593B (en) * | 2021-09-30 | 2023-08-15 | 苏州景昱医疗器械有限公司 | Connecting device and nerve electrical stimulation system |
| CN114824919A (en) * | 2022-06-29 | 2022-07-29 | 苏州景昱医疗器械有限公司 | Connector and stimulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160928 Address after: 102200 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1 Patentee after: Beijing Pins Medical Co., Ltd. Address before: 102200 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1 Patentee before: Beijing Pins Medical Co., Ltd. Patentee before: Tsinghua University |