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Processing technology for austenitic stainless steel medical instrument part

A technology for austenitic stainless steel and medical equipment, applied in electrolytic components, electrolytic process, metal rolling, etc., can solve the problems of long processing time, low production efficiency, material waste, etc., and achieve production cost reduction, production efficiency improvement, Position-accurate effects

Active Publication Date: 2020-06-19
JIANGYIN KANGRUI MOLDING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the medical industry, some parts involved in medical devices (such as endoscopic cutting stapler and the base of the disposable nail box) are made of stainless steel, such as martensitic stainless steel or austenitic stainless steel. The current processing method They are all wire cutting, which leads to serious waste of materials and high cost. After wire cutting, CNC surface polishing is required, which takes a long time to process and low production efficiency in mass production.

Method used

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  • Processing technology for austenitic stainless steel medical instrument part
  • Processing technology for austenitic stainless steel medical instrument part
  • Processing technology for austenitic stainless steel medical instrument part

Examples

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Embodiment 1

[0022] Such as Figure 1 to Figure 4 As shown, the present invention is a processing technology for austenitic stainless steel medical device parts, including making medical device parts 6 after austenitic stainless steel disc 1 (i.e. wire rod) is cold-rolled for 10-13 passes. The 10-13 cold-rolling process also includes annealing the austenitic stainless steel disc 1 for 9-11 times, and the rolling deformation rate of each cold-rolling process compared with the previous cold-rolling process Less than 75%; the annealing temperature is 1000°C to 1200°C. The speed of the stainless steel disc 1 passing through the rolling zone is V1, and the speed through the heat treatment zone is V2. In the heat treatment process, a tube furnace 5 is used, and the furnace length of the tube furnace 5 is 8-10m; 0m / min<V1<20m / min, 1m / min<V2<8m / min. The diameter of the disc 1 is 17±0.3 mm; the material of the disc 1 is 301 stainless steel. The annealing temperature is 1050°C to 1080°C. The ro...

Embodiment 2

[0024] The difference from Example 1 is that after the last cold rolling process, the surface electrolytic treatment is carried out on the finished medical device parts, after electrolysis, it is cleaned, and after cleaning, it is air-dried. After electrolytic cleaning and air-drying, the medical device parts are soaked in After 10 hours in the liquid medicine, air-dry, and apply a layer of water-proof protective film on the surface of medical device parts after air-drying. Nano-robots for entering the human body to reach the lesion to destroy tumors are set in the corroded micropores on the surface of medical device parts.

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Abstract

The invention discloses a processing technology for an austenitic stainless steel medical instrument part. The processing technology comprises the step of carrying out cold rolling treatment on an austenitic stainless steel wire rod for 10-13 times to prepare the medical instrument part. Annealing treatment is carried out on the austenitic stainless steel wire rod for 9-11 times in the process of10-13 times of cold rolling treatment, the rolling deformation rate of each time of cold rolling treatment relative to the previous cold rolling treatment is less than 75%, and the annealing temperature is 1000-1200 DEG C. The processing technology for the austenitic stainless steel medical instrument part is used for processing the medical instrument part in the medical industry, a conventional process that CNC surface polishing is carried out after linear cutting is changed, the processing time is greatly shortened, the production efficiency is improved, and the production cost is reduced byhalf.

Description

technical field [0001] The invention relates to a processing technology of austenitic stainless steel medical device parts. Background technique [0002] At present, in the medical industry, some parts involved in medical devices (such as endoscopic cutting stapler and the base of the disposable nail box) are made of stainless steel, such as martensitic stainless steel or austenitic stainless steel. The current processing method Both are wire cutting, which leads to serious waste of materials and high cost, and after wire cutting, CNC surface polishing is required, which takes a long time for processing and low production efficiency in mass production. Contents of the invention [0003] The purpose of the present invention is to overcome the defects in the prior art and provide a processing technology for austenitic stainless steel medical device parts, which is used for the processing of medical device parts in the medical industry. During the polishing process, the proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/26C21D1/34C21D1/18C21D8/06C25F3/06C25F7/00B21B1/16
CPCC21D1/26C21D1/34C21D1/18C21D8/065C25F3/06C25F7/00B21B1/16
Inventor 朱卫
Owner JIANGYIN KANGRUI MOLDING TECH CO LTD
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