Porous structure rapid hemostatic gel dressing and method of making same
By designing a dual-chamber syringe and Schiff base crosslinking reaction, a porous gel dressing was prepared, which solved the operational difficulties of traditional hemostatic materials in rapid bleeding scenarios, achieving rapid hemostasis and high liquid absorption capacity, and is suitable for deep or irregular wounds.
Patent Information
- Application Number
- CN202610862157.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-06-15
- Publication Date
- 2026-07-17
AI Technical Summary
Existing hemostatic materials are difficult to effectively fill deep, narrow or irregular wounds, and are difficult to operate with one hand in rapid bleeding scenarios. Traditional gel dressings have a slow curing speed and limited liquid absorption capacity, which may lead to incomplete hemostasis or tissue damage.
Employing a dual-chamber syringe design, the system mixes modified gelatin and oxidized sodium alginate components, utilizes the reaction of sodium bicarbonate and citric acid to generate carbon dioxide gas, and combines it with Schiff base crosslinking to form a porous gel structure, achieving rapid in-situ curing and high-capacity blood absorption.
It achieves a porous gel that solidifies within seconds, absorbs 5-10 times its own weight in blood, stops bleeding in no more than 30 seconds, has good biocompatibility, no risk of thermal damage, and is suitable for emergency one-handed operation.
Smart Images
Figure CN122399096A_ABST