Positive fixing structure for electrode cable of implanted cardiac pacemaker
A cardiac pacemaker and electrode lead technology, which is applied to cardiac electrodes, cardiac stimulators, electrodes, etc., can solve the problems such as the inability to unscrew the fixed head, the poor sealing of the electrode lead, and increase the difficulty of surgery, and achieve pacing. It has the effect of stable sensing function, good sealing effect, and improved safety and reliability.
Inactive Publication Date: 2016-11-23
SHAANXI QINMING MEDICAL CO LTD
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Problems solved by technology
At present, when the active fixed electrode lead is implanted, it often happens that the fixed head cannot be unscrewed or unscrewed flexibly, and the inner cavity of the electrode lead is not tightly sealed, resulting in a short circuit of the electrode, which increases the difficulty of the operation.
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0015] see figure 1 and figure 2 , the implantable cardiac pacemaker electrode lead active fixing structure includes an outer insulating layer 1, an outer lead 2, a ring electrode inner core 3, a ring electrode 4, an inner insulating layer 5, an inner lead 6, and a flexible connector 7. Transmission shaft 8, support body 9, front limit ring 10, sealing ring 11, screw seat 12, outer casing 13, screw fixing head 14, rear limit ring 15, outer casing insulating layer 16, pin 17, mapping Ring 18.
[0016] The outer insulating layer 1 is the outermost layer of the active fixing structure of the electrode lead of the implantable cardiac pacemaker, and its material is silicone rubber or polyurethane material, which mainly plays the role of sealing and insulation.
[0017] The outer wire 2 , the inner core 3 of the ring electrode and the ring electrode 4 are...
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The invention provides a positive fixing structure for an electrode cable of an implanted cardiac pacemaker. The positive fixing structure comprises an outer insulating layer, an outer cable, an annular electrode inner core, an annular electrode, an inner insulating layer, an inner cable, a flexible connecting body, a transmission shaft, a supporting body, a front spacing ring, a seal ring, a spiral seat, an outer sleeve, a spiral fixed head, a rear spacing ring, an outer sleeve insulating layer, a pin bolt and a mapping ring. The positive fixing structure has the beneficial effects of excellent seal effect, no seeping defect, can be used for improving the safety and reliability of the electrode cable, is flexible in screw-out, reliable in fixing and stable in pace-making and sensing functions during an operation, and can be used for effectively improving the living quality of patients.
Description
【Technical field】 [0001] The invention relates to the technical field of medical devices, in particular to an active fixing structure for electrode leads of implantable cardiac pacemakers. 【Background technique】 [0002] Implantable cardiac pacemaker lead wires can be divided into passive fixation and active fixation according to different fixing methods. Passive fixed lead wires can only be limited to traditional cardiac pacing sites, such as the right atrial appendage and the apex of the right ventricle. In addition to the traditional cardiac pacing site, the active fixed electrode lead can also be used in other sites, such as atrial septum, right ventricular outflow tract, etc. At present, during the implantation of actively fixed electrode leads, it often happens that the fixed head cannot be unscrewed or unscrewed flexibly, and the inner cavity of the electrode lead is not tightly sealed, resulting in short circuit of the electrode, which increases the difficulty of the...
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IPC IPC(8): A61N1/372A61N1/375A61N1/05
CPCA61N1/362A61N1/057A61N1/37229A61N1/3754
Inventor 魏斌梁俊喜周峰虎唐军刚魏于钧
Owner SHAANXI QINMING MEDICAL CO LTD