Electrode contact structure of implantable electrical nerve stimulator

A nerve stimulation and electrode contact technology, applied in the direction of electrodes, internal electrodes, etc., can solve the problems of unreliable operation, insufficient softness of platinum-iridium alloy sheet or column, insufficient contact, etc., to achieve reliable connection and stable transmission of electrical stimulation signals Safe, soft touch point effect

Active Publication Date: 2016-06-08
CHANGZHOU RUISHENAN MEDICAL DEVICES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The platinum-iridium alloy sheet or column is not soft enough, and the contact with the implanted tissue is not tight enough
[0004] 2. The contact and fixation between the platinum-ir...

Method used

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  • Electrode contact structure of implantable electrical nerve stimulator
  • Electrode contact structure of implantable electrical nerve stimulator
  • Electrode contact structure of implantable electrical nerve stimulator

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Embodiment Construction

[0021] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0022] Such as figure 1 , figure 2 and image 3 As shown, the implantable nerve stimulator electrode contact structure of the present invention mainly includes a platinum-iridium alloy wire made of a platinum-iridium alloy spiral 1 . Wherein, one end of the platinum-iridium alloy helix 1 is fixedly connected with a small helix 6 to form an electrode for transmitting electrical stimulation signals. Of course, the platinum-iridium alloy helix 1 and the small helix 6 can be connected by pressing or welding and covered with a protective capillary (not shown in the figure). The capillary mentioned above is an existing conventional structure, so it will not be described in detail. In addition, the connecting portion of the platinum-iridium alloy ...

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Abstract

The invention discloses an electrode contact structure of an implantable electrical nerve stimulator. The electrode contact structure comprises a platinum-iridium alloy spiral which is made from a platinum-iridium alloy wire, wherein a small spiral line is fixedly connected to one end of the platinum-iridium alloy spiral, so that an electrode for transmitting an electric stimulation signal is formed; the joint of the platinum-iridium alloy spiral and the small spiral line is covered by silica gel, so that a butterfly wing-shaped fixed part; and in order to facilitate connection to and fixation with a stimulated part, the other end of the platinum-iridium alloy spiral is connected to a medical suture line which is provided with a medical suture needle. Through the structures, since the platinum-iridium alloy spiral and the small spiral line are connected, the electrode contact structure is sufficient in connecting strength and is capable of stably transmitting the electric stimulation signal. In addition, in the structures, the contact of the platinum-iridium alloy spiral can be connected to such stimulated parts as stomach, colon, heart and the like, and the phenomenon of separating in the peristalsis process of the stimulated part is avoided and the electric stimulation signal is transmitted stably.

Description

Technical field: [0001] The invention relates to the field of medical equipment, in particular to an electrode contact structure of an implanted nerve stimulator. Background technique: [0002] Existing medical nerve stimulators, such as gastric electric stimulators, colon electric stimulators, and cardiac electric stimulators, usually directly use platinum-iridium alloy sheets or columns as electrode contacts. This scheme has the following disadvantages: [0003] 1. The platinum-iridium alloy sheet or column is not soft enough, and the contact with the implanted tissue is not close enough. [0004] 2. The contact fixation between the platinum-iridium alloy sheet or column and the implanted human tissue is difficult or not reliable enough. [0005] 3. The contact between the platinum-iridium alloy wire and the implanted human tissue is insufficient. The platinum-iridium spiral contact is made of multiple strands wound in parallel to avoid electrical signal interruption af...

Claims

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Application Information

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IPC IPC(8): A61N1/05
Inventor 杜玉惠
Owner CHANGZHOU RUISHENAN MEDICAL DEVICES
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