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Brain electrode elastic guide wire shaping method

A brain electrode and elastic technology, which is applied in the field of metal composite wire preparation, can solve the problem that the process cannot meet the high degree of shaping, and achieve the effect of accurate shaping size and small bending change

Active Publication Date: 2022-08-02
牧星生物材料(太仓)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing technology cannot meet the high degree of shaping, and propose a method for shaping the brain electrode elastic guide wire

Method used

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Embodiment Construction

[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0014] The present invention is a brain electrode elastic guide wire shaping method, which comprises:

[0015] Step 1: Fix the elastic guide wire: Pass a metal rod through the center hole of the wound elastic guide wire, and the two ends of the metal rod are respectively fixed on a support frame.

[0016] Specifically, since the wound elastic guide wire is arranged in a circle, a center hole will be formed in the middle of the elastic guide wire, and a metal rod will pass through the center hole.

[0017] The elastic g...

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Abstract

The invention discloses a brain electrode elastic guide wire shaping method, which comprises the following steps of: 1, fixing an elastic guide wire: enabling a metal rod to penetrate through a central hole of the wound elastic guide wire, and respectively fixing two ends of the metal rod on a support frame; 2, cooling the elastic guide wire: placing the support frame, the metal rod and the elastic guide wire in a closed high-low temperature test box, introducing liquid nitrogen into the high-low temperature test box, cooling to a preset temperature, and keeping for a period of time; 3, heating the elastic guide wire: heating the elastic guide wire in the closed high and low temperature test box to a preset temperature, and keeping a preset pressure for a period of time; and 4, cooling the elastic guide wire: inputting cold air into the closed high-low temperature test box, and controlling the temperature of the high-low temperature test box at room temperature. The elastic guide wire is firstly subjected to the process of low temperature and then high temperature, so that the elastic property of the elastic guide wire can be ensured, and the length and the bending change of the elastic guide wire are very small.

Description

technical field [0001] The invention relates to the technical field of metal composite wire preparation, in particular to a brain electrode elastic guide wire shaping method. Background technique [0002] The brain electrodes are made of metal-compliant materials, such as platinum-nickel composite wire, which has the characteristics of high temperature resistance and low contact resistance precision resistance guide (guide) wire, the inner part is 0.02mm diameter nickel wire, and the surface is 0.03-0.05mm Platinum layer, the composite material has the characteristics of lower price, higher strength and lower resistance than platinum guide wire. [0003] Some brain electrodes, which need to maintain an elastic structure, are made of composite wires through mechanical equipment, such as spring-like shapes. During production and use, the elasticity must be kept within the specified range in the free state, and the error should not exceed 0.05. Within the range of mm, therefor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/02C22F1/00C22F1/10C22F1/14
CPCC22F1/02C22F1/00C22F1/10C22F1/14Y02A50/30
Inventor 廖永健
Owner 牧星生物材料(太仓)有限公司
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