CN202777453U - Active fixed-type electrode catheter - Google Patents
Active fixed-type electrode catheter Download PDFInfo
- Publication number
- CN202777453U CN202777453U CN 201220346026 CN201220346026U CN202777453U CN 202777453 U CN202777453 U CN 202777453U CN 201220346026 CN201220346026 CN 201220346026 CN 201220346026 U CN201220346026 U CN 201220346026U CN 202777453 U CN202777453 U CN 202777453U
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- electrode
- catheter body
- ring
- wire
- ring electrode
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
An active fixed-type electrode catheter belongs to the technical field of medical instruments. The active fixed-type electrode catheter comprises a catheter body; a head end of the catheter body is cooperatively provided with a ring electrode pair A. The cathode of the ring electrode pair A is composed of a spiral metal nail hook and an end ring cathode, wherein the spiral metal nail hook and the end ring cathode are in a contact cooperation. The end ring cathode is arranged in the inner layer of the head end of the catheter body. The spiral metal nail hook is arranged in a cavity of the head end of the catheter body. The spiral metal nail hook is installed on a metal guide bar and is connected with a cathode wire conduit A through the metal guide bar. The ring anode of the ring electrode pair A is embedded in the outer layer of the catheter body and is connected with an anode wire A. The cathode wire conduit A and the anode wire A are connected with a plug chip A, wherein the plug chip A is cooperatively arranged at a tail part of the catheter body. The active fixed-type electrode catheter has a low dislocation rate and a stable pace-making function, meets the idea of physiological pacing, is safe and convenient to operate, also has electrophysiology mapping and monitoring functions, and is more practical.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specially a kind of active fixed electrode conduit for temporary cardiac pacing/cardiac electrophysiology.
Background technology
The temporary cardiac pacing that exists both at home and abroad at present mostly is passive fixed electrode, this interim electrode system utilizes the hardness of self material, insert vein by the venipuncture sheath, then sending into heart draws myocardium girder to reach fixed electrode by colluding, cause easily thus the wire displacement, and it is take rigid plastics as matrix, and the myocardial perforation risk is arranged, the shortcomings such as the position of suitable venipuncture is relatively less, its reliability and safety have much room for improvement.
The utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to design the technical scheme of the active fixed electrode conduit that is provided for temporary cardiac pacing/cardiac electrophysiology, its displacement rate is low, pacing function is stable, easy-to-operate, also have Electrophysiological mapping and monitoring function, applied range.
Described a kind of active fixed electrode conduit, it is characterized in that comprising catheter body, the catheter body head end is equipped with ring electrode to A, ring electrode is followed closely hook to the negative electrode of A by the helical metal that touches cooperation, the end ring negative electrode consists of, the end ring negative electrode is arranged on catheter body head end internal layer, helical metal nail hook is arranged in the catheter body head end cavity, helical metal nail hook is installed on the metal guide rod and by it and is connected with cathode wire pipe A, ring electrode is embedded at catheter body outer to the ring anode of A, the ring anode is connected cathode wire pipe A with positive wire A, positive wire A is connected with the plug core A that the catheter body afterbody is equipped with.
Described a kind of active fixed electrode conduit, it is characterized in that the catheter body back segment also is equipped with ring electrode to B, ring electrode comprises ring electrode negative electrode, ring electrode anode to B, ring electrode negative electrode, ring electrode anode are embedded respectively at catheter body outer, and ring electrode negative electrode, ring electrode anode are connected by the plug core B that wire and catheter body afterbody are equipped with respectively.
Described a kind of active fixed electrode conduit is characterized in that arranging on the metal guide rod front catch, rear catch, and corresponding setting of catheter body inwall connects positive stop, the backstop that cooperates with its gear.
Described a kind of active fixed electrode conduit is characterized in that being equipped with insulating barrier A between cathode wire pipe A, the positive wire A.
Described a kind of active fixed electrode conduit is characterized in that the catheter body tail end arranges electrode connector, and cathode wire pipe A, positive wire A are connected with plug core A by electrode connector.
Described a kind of active fixed electrode conduit is characterized in that being equipped with insulating barrier B between positive wire A and the ring electrode wire to B.
Above-mentioned a kind of active fixed electrode conduit, its helical metal nail hook can be screwed into cardiac muscle makes electrode be fixed in endocardium, and its displacement rate is low, and pacing function is stable, avoid to greatest extent the harmful effect to hemodynamics and cardiac function, more met the theory of Physiological Pacing; Catheter body is soft, and safety is good; The rear end is slightly hard, and the characteristic of convenient operation has improved the safety and reliability that pacing electrode is implanted; Ring electrode is set to B, makes it also have Electrophysiological mapping and monitoring function, more practical.
Description of drawings
Fig. 1 is leading portion cross-sectional view of the present utility model;
Fig. 2 is back segment cross-sectional view of the present utility model;
Fig. 3 is overall structure sketch map of the present utility model;
Among the figure: catch, 9-ring anode, 10-positive wire A, 11-ring electrode negative electrode, 12-ring electrode anode, 13-wire, 14-insulating barrier B, 15-cathode wire pipe A, 16-insulating barrier A, 17-electrode connector, 18-plug core A, 19-plug core B behind 1-catheter body, 2-helical metal nail hook, 3-end ring negative electrode, 4-metal guide rod, the front catch of 5-, 6-positive stop, 7-backstop, the 8-.
The specific embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in the figure, this is the fixed electrode conduit initiatively, comprise catheter body 1, catheter body 1 head end is equipped with ring electrode to A, ring electrode is followed closely hook 2 to the negative electrode of A by the helical metal that touches cooperation, end ring negative electrode 3 consists of, end ring negative electrode 3 is arranged on catheter body 1 head end internal layer, helical metal nail hook 2 is arranged in the catheter body 1 head end cavity, helical metal nail hook 2 is welded on the metal guide rod 4 and by it and is connected with cathode wire pipe A15, ring electrode is embedded at catheter body 1 skin the ring anode 9 of A, ring anode 9 is connected cathode wire pipe A15 with positive wire A10, positive wire A10 is connected with the plug core A18 that catheter body 1 afterbody is equipped with.The rear portion of catheter body 1 head end also is equipped with ring electrode to B, ring electrode comprises ring electrode negative electrode 11, ring electrode anode 12 to B, ring electrode negative electrode 11, ring electrode anode 12 are embedded respectively at catheter body 1 skin, and ring electrode negative electrode 11, ring electrode anode 12 are connected with the plug core B19 that catheter body 1 afterbody is equipped with by wire 13 respectively.Front catch 5, rear catch 8 are set on the metal guide rod 4, and corresponding setting of catheter body 1 inwall connects positive stop 6, the backstop 7 that cooperates with its gear.Be equipped with insulating barrier A16 between cathode wire pipe A15, the positive wire A10.Catheter body 1 tail end arranges electrode connector 17, and cathode wire pipe A15, positive wire A10 are connected with plug core A18 by electrode connector 17.Be equipped with insulating barrier B14 between positive wire A10 and the ring electrode wire 13 to B, wire 13 also is connected with plug core B19 by electrode connector 17.Plug core A18, plug core B19 connect and can be used for the outer temporary pacemaker of connected body or electrophysiology instrument, the negative electrode lock pin hollow of plug core A18 wherein, and its cavity links to each other with cathode wire pipe A15 inner chamber, is used for inserting guide wire with adjustment conductor housing extreme direction; Cooperate rotating clamp, the clamping cathode rotary, the control helical metal is followed closely the flexible of hook 2.
Using method is as described below: determine the percutaneous puncture approach, such as femoral vein or jugular vein, finish vascular puncture; Pace-making/electrophysiologicalcatheter catheter according to purposes and Path selection corresponding length and electrode pair spacing; Send into the guide steel wire of suitable (or be moulded required curvature and shape by the patient) from the negative electrode lock pin of plug core A18 after, send into catheter body 1 from the sheath pipe, adjust and guide steel wire to make catheter body 1 head end arrive chambers of the heart proper site, in case of necessity the guide steel wire of replaceable different plastotypes; Behind the location positioning, the tail end with the negative electrode lock pin of rotating clamp seaming clamping plug core A18 turns clockwise, and screws out helical metal nail hook 2, makes it to be fixed in endocardium, and visible helical metal nail hook 2 exceeds the end ring negative electrode 3 of catheter body 1 head end under the x-ray; Determine that head end helical metal nail hook 2 is fixing; Under x-ray, withdraw from the guide steel wire; Measure pace-making/perception/electric physiological datas such as intracavity electrograph; Meet the requirements such as required location parameter, then adjust tube tension and curvature under x-ray, A/C goes out outer body; The outer temporary pacemaker of connector or electrophysiology instrument are adjusted relevant parameter, row temporary cardiac pacing or electrophysiologic study; When extracting electrode, the tail end of the negative electrode lock pin of rotating clamp seaming clamping plug core A18 can be rotated counterclockwise to withdraw from and be fixed in endocardial conduit head end helical metal nail hook 2, remove catheter body 1.
Claims (6)
1. fixed electrode conduit initiatively, it is characterized in that comprising catheter body (1), catheter body (1) head end is equipped with ring electrode to A, ring electrode is followed closely hook (2) to the negative electrode of A by the helical metal that touches cooperation, end ring negative electrode (3) consists of, end ring negative electrode (3) is arranged on catheter body (1) head end internal layer, helical metal nail hook (2) is arranged in catheter body (1) the head end cavity, helical metal nail hook (2) is installed in metal guide rod (4) upward and passes through itself and cathode wire pipe A(15) be connected, ring electrode is embedded at catheter body (1) skin the ring anode (9) of A, ring anode (9) and positive wire A(10) be connected cathode wire pipe A(15), positive wire A(10) the plug core A(18 that is equipped with catheter body (1) afterbody) is connected.
2. a kind of active fixed electrode conduit as claimed in claim 1, it is characterized in that catheter body (1) back segment also is equipped with ring electrode to B, ring electrode comprises ring electrode negative electrode (11), ring electrode anode (12) to B, ring electrode negative electrode (11), ring electrode anode (12) are embedded respectively at catheter body (1) skin, the plug core B(19 that ring electrode negative electrode (11), ring electrode anode (12) are equipped with by wire (13) and catheter body (1) afterbody respectively) be connected.
3. a kind of active fixed electrode conduit as claimed in claim 1, it is characterized in that arranging on the metal guide rod (4) front catch (5), rear catch (8), the corresponding setting of catheter body (1) inwall connects positive stop (6), the backstop (7) that cooperates with its gear.
4. a kind of active fixed electrode conduit as claimed in claim 1 is characterized in that cathode wire pipe A(15), positive wire A(10) between be equipped with insulating barrier A(16).
5. a kind of active fixed electrode conduit as claimed in claim 1, it is characterized in that catheter body (1) tail end arranges electrode connector (17), cathode wire pipe A(15), positive wire A(10) by electrode connector (17) and plug core A(18) be connected.
6. a kind of active fixed electrode conduit as claimed in claim 2 is characterized in that positive wire A(10) and the wire (13) of ring electrode to B between be equipped with insulating barrier B(14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346026 CN202777453U (en) | 2012-07-17 | 2012-07-17 | Active fixed-type electrode catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346026 CN202777453U (en) | 2012-07-17 | 2012-07-17 | Active fixed-type electrode catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202777453U true CN202777453U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220346026 Expired - Fee Related CN202777453U (en) | 2012-07-17 | 2012-07-17 | Active fixed-type electrode catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202777453U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999550A (en) * | 2016-07-29 | 2016-10-12 | 乐普医学电子仪器股份有限公司 | Actively-fixed left ventricle pacing electrode lead |
| CN107551401A (en) * | 2017-08-25 | 2018-01-09 | 创领心律管理医疗器械（上海）有限公司 | Active electrode rotating device |
| CN109529195A (en) * | 2019-01-24 | 2019-03-29 | 宁波市第二医院 | A kind of cathode inner-rotary type Pacemaker implantation p-wire |
-
2012
- 2012-07-17 CN CN 201220346026 patent/CN202777453U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999550A (en) * | 2016-07-29 | 2016-10-12 | 乐普医学电子仪器股份有限公司 | Actively-fixed left ventricle pacing electrode lead |
| CN105999550B (en) * | 2016-07-29 | 2019-02-05 | 乐普医学电子仪器股份有限公司 | Actively fix left room pacing electrode wire |
| CN107551401A (en) * | 2017-08-25 | 2018-01-09 | 创领心律管理医疗器械（上海）有限公司 | Active electrode rotating device |
| CN107551401B (en) * | 2017-08-25 | 2021-03-09 | 创领心律管理医疗器械（上海）有限公司 | Active electrode rotating device |
| CN109529195A (en) * | 2019-01-24 | 2019-03-29 | 宁波市第二医院 | A kind of cathode inner-rotary type Pacemaker implantation p-wire |
| CN109529195B (en) * | 2019-01-24 | 2024-05-24 | 宁波市第二医院 | Cathode internal rotation type pacemaker implantation test wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |