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Method for fabricating intrauterine device made from TiNi shape memory alloy

An intrauterine device and memory alloy technology, which is applied in the production field of TiNi shape memory alloy intrauterine device, can solve the problems of development and research, late application, few data on product processing technology, and few monograph documents and literature.

Active Publication Date: 2007-05-09
LIAONING AIMU MEDICAL SCI&TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the high-tech industries developed from shape memory and superelastic alloys in the United States, Japan, and Europe are emerging, but the development, research and application of this material are relatively late, and there are relatively few systematic monographs and documents. Data is rare

Method used

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  • Method for fabricating intrauterine device made from TiNi shape memory alloy
  • Method for fabricating intrauterine device made from TiNi shape memory alloy
  • Method for fabricating intrauterine device made from TiNi shape memory alloy

Examples

Experimental program
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Effect test

Embodiment 1

[0174] Assembly example 1: Take 2 copper particles and install them on the ends of the two cross arms of the bracket respectively, and rivet the copper particles with molds and punching machines;

Embodiment 2

[0175]Assembly example 2: Take 2 to 6 copper sleeves and install them on the bow body, take 2 copper particles and install them on the ends of the two cross arms of the bracket respectively, and rivet the copper particles with molds and punching machines;

[0176] Assembly example 3: As shown in Figure 7, take the silicone tube and install it on the part other than the ends of the two cross arms of the bracket, take two copper particles and install them on the ends of the two cross arms of the bracket respectively, and rivet the copper particles with the mold and the punching machine;

[0177] Assembly Example 4: As shown in Figure 8, take the silicone tube and install it on the lower part of the bow body, take 2 to 6 copper sleeves and install it on the bow body, take 2 copper particles and install them on the ends of the two cross arms of the bracket respectively, and use tire tools And punching machine riveting copper particles;

[0178] Assembly Example 5: As shown in Figu...

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Abstract

An intra-uterine contraceptive device with a shape restoring temp not higher than 36.9 deg.C and an elastic value equal to 0.15-0.75 N is made up of TiNi shape memory alloy and copper through making the parts with TiNi shape memory alloy, making the parts with copper, and assembling.

Description

technical field [0001] The invention relates to an intrauterine contraceptive device for women, in particular to a manufacturing method of a TiNi shape memory alloy intrauterine device. Background technique [0002] The intrauterine device has been used for human contraception since 1909, and China has carried out the promotion of the intrauterine device since 1957. Nearly a hundred years of clinical practice has proved that it is an easy-to-use, economical, safe, effective and reversible contraceptive tool, and it will continue to be used in the future. It is a primary form of birth control. In 1993, the State Family Planning Commission decided to stop using the inert IUD (mainly referring to those made of stainless steel, polymer materials, and silica gel). Require replacement with an active IUD. In recent years, a variety of IUDs containing copper and drugs have been used, which has reduced the shedding rate to a certain extent and significantly improved the contracepti...

Claims

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Application Information

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IPC IPC(8): A61F6/14
CPCA61F6/142
Inventor 武小锋史凤阳
Owner LIAONING AIMU MEDICAL SCI&TECH
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