Medical plastic insertion pipe

An intubation and plastic technology, used in catheters, pharmaceutical formulations, drug delivery, etc., can solve the problem of low impact strength, achieve good cold resistance and light resistance, and prevent accidents.

Inactive Publication Date: 2016-12-14
苏州创新达成塑胶模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] PVC resin is a polar non-crystalline high polymer with a strong force between molecules, it is a hard and brittle material; the impact strength is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A medical plastic cannula, comprising: a combination of plasticizer, filler, lubricant, high-polymerization degree PVC resin and cellulose, wherein the plasticizer is 20-30 parts, and the filler is 10 parts -15 parts, the lubricant is 30-36 parts, the high-polymerization degree PVC resin is 80-100 parts, and the cellulose is 22-38 parts.

[0011] Further illustrate, the described plasticizer is acetyl tributyl citrate, the described filler is talc, the described lubricant is butyl stearate, and the surgical cellulose is nitrocellulose.

[0012] Further illustrate, the described plasticizer is 25 parts, the described filler is 13 parts, the described lubricant is 33 parts, the described high degree of polymerization PVC resin is 100 parts, and the described cellulose for 28 servings.

[0013] To further explain, the raw materials with a good ratio are introduced into the mixer for mixing, and after the raw materials are evenly stirred, they are injected into a blank mol...

Embodiment 2

[0015] A medical plastic cannula, comprising: a combination of plasticizer, filler, lubricant, high-polymerization degree PVC resin and cellulose, wherein the plasticizer is 20-30 parts, and the filler is 10 parts -15 parts, the lubricant is 30-36 parts, the high-polymerization degree PVC resin is 80-100 parts, and the cellulose is 22-38 parts.

[0016] Further illustrate, the described plasticizer is acetyl tributyl citrate, the described filler is talc, the described lubricant is butyl stearate, and the surgical cellulose is nitrocellulose.

[0017] Further illustrate, the described plasticizer is 28 parts, the described filler is 15 parts, the described lubricant is 36 parts, the described high degree of polymerization PVC resin is 100 parts, and the described cellulose for 22 servings.

[0018] To further explain, the raw materials with a good ratio are introduced into the mixer for mixing, and after the raw materials are evenly stirred, they are injected into a blank mol...

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PUM

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Abstract

The invention discloses a medical plastic insertion pipe which is formed by combining 20-30 parts of plasticizer, 10-15 parts of filler, 30-36 parts of lubricant, 80-100 parts of high-polymerization-degree PVC resin and 22-38 parts of cellulose. In this way, the insertion pipe has good cold resistance and light resistance.

Description

technical field [0001] The invention relates to the field of medical plastics, in particular to a medical plastic intubation tube. Background technique [0002] PVC resin is a polar non-crystalline high polymer with strong force between molecules. It is a hard and brittle material; its impact strength is low. After adding the impact modifier, the elastomer particles of the impact modifier can reduce the total craze-induced stress, and use the deformation and shear band of the particle itself to prevent the craze from expanding and growing, and absorb the impact energy transmitted into the material body , so as to achieve the purpose of impact resistance. The particles of the modifying agent are very small, so as to increase the quantity of the modifying agent per unit weight or unit volume, so as to increase the effective volume fraction, thereby enhancing the ability to disperse stress. Contents of the invention [0003] The technical problem mainly solved by the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L29/04A61L29/02A61L29/14
CPCA61L29/041A61L29/02A61L29/043A61L29/14A61L2400/18C08L27/06C08L1/18
Inventor 刘丽
Owner 苏州创新达成塑胶模具有限公司
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