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Classification Of Absorbable Sutures.
May 06, 2018

The absorbable suture can be divided into two types: the gut, the chemical synthesis line (PGA) and the natural collagen suture line.

1. Sheep gut line: made from healthy animal sheep gut, contains collagen composition, so no stitching is required after suture. Medical enteric line divides: common bowel line and chromium-made catgut two kinds, can absorb. The length of time required for absorption depends on the thickness and tissue of the gut, which can be absorbed for 6 to 20 days, but the individual difference affects the absorption process and does not even absorb. At present, the intestinal line is all disposable sterile packaging, easy to use.

(1) normal bowel line: easy absorbable suture made by the submucosal tissues of sheep intestines or bovine intestines. It absorbs quickly, but the tissue reacts slightly to the gut. It is mainly used for the quick healing of tissue or subcutaneous tissue ligation of blood vessels and suture of infected wounds. Commonly used in uterus, bladder and other mucous layer.

(2) chromium sausage line: this enteric line is made of chromic acid treatment, which can slow down the tissue absorption rate, which causes less inflammation than normal intestinal tract. Generally used in gynecology and urinary system surgery, it is often used in the kidney and ureteral surgery, because the silk thread will promote the formation of stones. When used, soak in brine and straighten after softening to facilitate operation.

2, chemical synthesis (PGA, PGLA, PLA) : the modern chemical technology made of a kind of linear polymer material, the suction line, coating process, absorption, generally 60-90 days absorption and stability. If it is the cause of the production process, there are other non-degradable chemicals that are not fully absorbed.

3, pure natural collagen suture line: based on the special animal otters raccoon dog tendon, pure natural collagen content high, the production process without any chemical composition, has the characteristics of the collagen is due; This is the fourth generation of sutures in real sense. It has full absorption, high tensile strength, good biocompatibility, promoting cell growth and so on. According to the thickness of the line, it is completely absorbed by 8-15 days, and the absorption is stable and reliable, without obvious individual difference.