Hemostatic material in medical use

Abstract

A medical styptic material able to be fully absorbed and degradated is composed of the basic material prepared by fusion polycondensation reaction of low-molecular poly-DL-lactic acid or poly-L-lactic acid or polyethanol-acid copolymer / mixture, and the auxiliary which may be polyether diol, polyether triol, high-molecular polylactic acid, high-molecular glycolide-lactide copolymer, high-molecular caprolactone-lactide copolymer, or high-molecular caprolactone-glycolide copolymer through fusion and mixing.

Description

technical field

[0001] The invention relates to a medical absorbable bone wax, in particular to a completely biodegradable bone wax that can be absorbed by the human body. Background technique

[0002] At present, bone cancellous hemostatic materials in orthopedics, thoracic surgery and neurosurgery are mainly non-degradable bone wax products, which mainly rely on their unique hardness, toughness and viscosity and their mechanical barrier function to achieve hemostasis. At present, many hospitals in China are self-produced and used for their own use. There is no uniform formula and standard. Beeswax and vaseline, beeswax, refined sesame oil and salicylic acid, beeswax, peanut oil and aspirin are mostly used. Most of them can not achieve the ideal hardness, toughness and viscosity, and the hemostatic effect is poor. The main product in the domestic market is the medical bone wax produced by the U.S. Johnson & Johnson, and the medical sterile bone wax (patent application numb...