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Degradable titanium clamping seat and preparation method

A technology of titanium clip and reinforcing agent is applied in the field of degradable titanium clip seat and preparation, and achieves the effect of saving input cost, large material saving, energy saving effect, and saving electricity consumption.

Inactive Publication Date: 2013-04-10
SHANGHAI LINJING MEDICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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But so far, there is no research and report on the degradable titanium holder and its preparation method at home and abroad.

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  • Degradable titanium clamping seat and preparation method

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Embodiment 1

[0030] Injection molding method of embodiment 1 degradable titanium holder:

[0031] The first step, vacuum drying: the degradable substrate pellets of formula 1, formula 2 or formula 3 were vacuum-dried at 48° C. for 5 hours, and then used.

[0032] The second step, injection molding: add the dried degradable substrate pellets of formula 1, formula 2 or formula 3 to an injection molding machine for injection molding.

[0033] The barrel temperature is set as: feed inlet 150°C, compression section 160°C, metering section 165°C, nozzle 160°C;

[0034] Mold temperature: 20°C;

[0035] The injection pressure is: the first section is 75pa, the second section is 80Mpa, and the third section is 50Mpa;

[0036] Injection time: 41 seconds;

[0037] The holding time is: 0 seconds;

[0038] The screw speed is: 180 rpm.

[0039] Obtain the degradable titanium holder adopting the degradable base material of formula 1, formula 2 or formula 3.

[0040] The above-mentioned examples hav...

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Abstract

The present invention provides a degradable titanium clamping seat and a preparation method. The degradable titanium clamping seat is prepared by a degradable polymer main ingredient of a degradable substrate and an enhancer. The injection molding process includes that: a feed inlet is of 150-165 DEG C, a compression section is of 155-170 DEG C, a metering section is of 160-175 DEG C, a nozzle is of 160-175 DEG C, the mold temperature is 20-40 DEG C, the injection pressure is 45-90 Mpa, the injection time is 40-50 seconds, the dwell time is 0 sec, and the screw speed is 180 r / min. The obtained degradable titanium clamping seat after being used can completely degrade by landfill in the natural environment to achieve the purposes of low carbon, energy saving, and environmental protection.

Description

technical field [0001] The invention relates to a degradable titanium holder and a preparation method thereof, belonging to the technical field of bioengineering. Background technique [0002] Clinically, titanium clips are products used to seal off human vascular structures in surgical operations. The shells used to place titanium clips are titanium clip holders. The current titanium clip holders are all made of non-degradable petroleum-based plastics, so The used titanium holders need to be incinerated, and plastics will produce a lot of black smoke when incinerated, and release toxic and carcinogenic substances such as hydrogen chloride and dioxin, which seriously pollute the environment and damage human health and other animals and plants. Plant health. For this reason, research and development of degradable titanium holders and preparation methods can not only avoid incineration after use, but also avoid environmental pollution, protect human health, and are environmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L31/06A61L31/14B29C45/78B29C45/77B29B13/06
Inventor 张星星
Owner SHANGHAI LINJING MEDICAL EQUIP
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