Biological collagen hemostatic cotton and its preparation method

Abstract

The invention concerns a biological collagen bleeding arresting cotton by making biological collagen as raw material and its preparation process. The production steps are as follows: 1.grinding the bio-collagen into powder with 200-800 meshes 2. mixing the bio-collagen powder with bio-absorbing bleeding arresting cotton in weight ration as 0.5-1.5:9, then packing into the die and pressing 3. placing the compressed module of the bio-collagen bleeding arresting under 120-170 centigrade to make it dry. The bio-collagen bleeding arresting cotton is made by complete absorptive biological protein collagen, having no bacterial endotoxin, no pyrogen, no virus and no side effects. In addition, it can solve in the warm water with the temperature being 35íµ also, and can promote the platelet to form a tampon within 30 seconds to exert arresting the bleeding. The biological protein collagen can induce the growth factor transmigration, promote the regeneration of the injured tissue and accelerate the wound healing. In addition, it can be absorbed by the human body during the wound healing up process.

Description

(1) Technical field:

[0001] The invention relates to a biological collagen hemostatic sponge produced by using biological collagen as a raw material and a production process thereof. (two) background technology:

[0002] The inventor once applied for an invention patent with the application number 01133795.8 and the name "New Technology of Surgical Absorbable Hemostatic Sponge", which discloses a medical gelatin sponge and its production process. The gelatin sponge can be used for hemostasis during surgical operations. It can also be used to fill wounds to stop bleeding during trauma, but because the above-mentioned hemostatic sponge is actually a gelatin fiber block with micropores, its edges and corners are relatively obvious, and the ability to deform with the wound is poor when filling the wound, and it cannot completely match the wound when filling. Only when the shape of this hemostatic sponge is basically the same as the shape of the wound can its filling and hemostat...