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New material for surgical suture

A surgical operation and new material technology, applied in the field of medical materials, can solve the problems of hindering wound healing, low biocompatibility, low tensile strength of sutures, etc., and achieve the effect of easy processing, easy knotting, and promoting healing

Inactive Publication Date: 2017-05-31
ZHENGZHOU BEIDOU COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen that the quality requirements of sutures are very high, but most of the current sutures have low biocompatibility, low tensile strength in the tissue, and hinder normal wound healing. It is urgent to develop a new type of surgical suture. use new materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A new material for suturing in surgical operations. The raw materials are in parts by weight: 15 parts of methyl glycolate, 5 parts of bone collagen, 11 parts of polyamide, 0.5 part of indole, 0.4 part of snakeberry extract, and 2 parts of Panax notoginseng powder parts, nisin 0.01 parts.

[0021] A method for preparing a new material for surgical suture, the specific steps are:

[0022] (1) First, mix methyl glycolate, polyamide and indole, then put them into the reaction kettle, and react under 2MPa pressure and nitrogen protection. After the reaction, melt spinning is carried out, and the spinning mixture is obtained after cooling ;

[0023] (2) Then, the spinning mixture is mixed with bone collagen, snakeberry extract, notoginseng powder, and nisin, and the moisture content is controlled at 45%, followed by ultrasonic oscillation treatment. The power of ultrasonic oscillation treatment is 120W, and the time for 13 minutes, placed in a low temperature drying at 4°C...

Embodiment 2

[0025] A new material for suturing in surgical operations. The raw materials are in parts by weight: 18 parts of methyl glycolate, 6 parts of collagen, 12 parts of polyamide, 0.6 part of indole, 0.5 part of snakeberry extract, and 2 parts of Panax notoginseng powder part, nisin 0.02 part.

[0026] A method for preparing a new material for surgical suture, the specific steps are:

[0027] (1) First, mix methyl glycolate, polyamide and indole, then put them into the reaction kettle, and react under 2MPa pressure and nitrogen protection. After the reaction, melt spinning is carried out, and the spinning mixture is obtained after cooling ;

[0028] (2) Then, the spinning mixture is mixed with bone collagen, snakeberry extract, notoginseng powder, and nisin, and the moisture content is controlled at 45%, followed by ultrasonic oscillation treatment. The power of ultrasonic oscillation treatment is 120W, and the time for 13 minutes, placed in a low temperature drying at 4°C to obt...

Embodiment 3

[0030] A new material for suturing in surgical operations. The raw materials are in parts by weight: 20 parts of methyl glycolate, 7 parts of collagen, 13 parts of polyamide, 0.7 part of indole, 0.6 part of snakeberry extract, and 3 parts of Panax notoginseng powder parts, nisin 0.03 parts.

[0031] A method for preparing a new material for surgical suture, the specific steps are:

[0032] (1) First, mix methyl glycolate, polyamide and indole, then put them into the reaction kettle, and react under 2MPa pressure and nitrogen protection. After the reaction, melt spinning is carried out, and the spinning mixture is obtained after cooling ;

[0033] (2) Then, the spinning mixture is mixed with bone collagen, snakeberry extract, notoginseng powder, and nisin, and the moisture content is controlled at 48%, followed by ultrasonic vibration treatment. The power of ultrasonic oscillation treatment is 120W, and the time for 13 minutes, placed in a low temperature drying at 4°C to obt...

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Abstract

The invention discloses a new material for surgical suture. The surgery suture use novel material is prepared from, by weight, 15-23 parts of methyl 2-hydroxyacetate, 5-8 parts of ossein, 11-14 parts of polyamide, 0.5-0.9 part of indole, 0.4-0.8 part of mock-strawberry extractive, 2-4 parts of pseudo-ginseng powder and 0.01-0.05 part of Nisin. The new material for surgical suture is free of toxicity, harm and residue, is formed through processing easily, is high in intensity and easy to knot, has excellent performances such as good softness and disinfection and sterilization resistance, can promote wound healing, and can be absorbed and degraded completely in 15-25 days in biological tissue.

Description

technical field [0001] The invention relates to the field of medical materials, in particular to a new material for surgical suturing. Background technique [0002] Medical sutures are common biocompatible textiles that are widely used in various surgical operations to suture wounds, connect tissues and ligate blood vessels. As early as 3500 BC, the ancient Egyptians had used cotton fibers and horsehair to suture wounds, and ancient Chinese history books also recorded that hemp fibers were used as sutures. With the development of polymers and their fibers, there are more and more varieties of medical sutures. [0003] There are many types of sutures, including absorbable and nonabsorbable sutures. Many common natural and synthetic textile fibers have been successfully used as medical non-absorbable sutures. The types of non-absorbable sutures that have been developed include cotton, silk, hemp, polyamide, polyester, polypropylene and metal sutures. Wire. Absorbable sutur...

Claims

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Application Information

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IPC IPC(8): A61L17/10A61L17/08A61L17/06
CPCA61L17/10A61L17/005A61L17/06A61L17/08A61L2300/252A61L2300/30
Inventor 不公告发明人
Owner ZHENGZHOU BEIDOU COMM TECH
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