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Biodegradable material and suturing nail

A biodegradable material, a technology for degrading materials, applied in the field of biodegradable materials, can solve problems such as restricting applications, and achieve the effects of improving biological activity, increasing mechanical properties and controllability of degradation, and improving mechanical strength and toughness

Pending Publication Date: 2021-10-01
HEFEI BREATH MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although PLA has good mechanical strength, its brittleness limits its application in high tension environments

Method used

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  • Biodegradable material and suturing nail
  • Biodegradable material and suturing nail
  • Biodegradable material and suturing nail

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Embodiment Construction

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. As used herein, "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items.

[0036] ...

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Abstract

The invention provides a biodegradable material which comprises a polyester biodegradable material and an active component, and the active component comprises at least one of a surfactant and bioactive glass; based on the total mass percentage of the polyester biodegradable material, the content of the active component is less than 40%, and the content of the surfactant is less than or equal to 15%; the polyester biodegradable material comprises a blending modification component, and the blending modification component comprises at least one of polyglycolic acid, glycolide, caprolactone, lactide and polyethylene glycol, so that the biodegradable material has good degradation performance, biological activity, biocompatibility, mechanical performance and degradation controllability at the same time. The invention further provides a suturing nail, and the suturing nail is prepared from the biodegradable material, so that the suturing nail has good degradation performance and mechanical performance at the same time.

Description

technical field [0001] The invention relates to the technical field of biodegradable materials, in particular to a biodegradable material and a staple. Background technique [0002] Various biodegradable polymers have been commercially used to make bioabsorbable sutures, such as polyethylene glycol acid (PGA), polydioxanone (PDS), polylactic acid (PLA), polylactic-glycolic acid (PLGA) etc. However, staples require higher mechanical strength and Young's modulus than surgical sutures. Although PLA has good mechanical strength, its brittleness limits its application in high tension environments. The glass transition temperature Tg of poly-L-lactic acid (PLLA) is about 55-60°C, the melting temperature Tm is about 180°C, and the half-life in saline at 37°C is about 4-6 months, but its degradation is highly dependent on Its molecular weight, environmental pH value. Therefore, this polymer is very suitable for biomedical applications, but it needs to be modified to use its high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L17/12A61L17/10A61L17/00A61B17/064
CPCA61L17/005A61L17/105A61L17/12A61B17/064A61L2300/10A61B2017/0647A61B2017/0646
Inventor 张晓芳宋保组逄永刚储成生谢勇
Owner HEFEI BREATH MEDICAL CO LTD
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