Title: Process for producing absorption styptic sponge used in operation
Application Number: 01133795 Application Date: 2001.12.27
Publication Number: 1385143 Publication Date: 2002.12.18
Approval Pub. Date: Granted Pub. Date: 2003.08.27
International Classifi-cation: A61F13/00,A61F13/15,C14B1/00
Applicant(s) Name: Tang Baohui Address: 546608
Inventor(s) Name:
Attorney & Agent: ma lan
Abstract:
     The production process of surgical absorbable hemostatic sponge made of animal hide incldues the following main procedures: 1. soaking animal hide chips in Ca(OH)2 aqueous solution; 2. washing expanded high material with water with pH=6.5-8, then soaking the above-mentioned material in liquid mixture of HCL and H2SO4; 3. neutralizing the soaking liquor to make its pH value be 6.5 and stirring to obtain neutral hide materia; 4. washing the neutral hide material with water and pickling to form colloidal hide material; 5. neutralizing soaking liquor and stirring; 6. cooking colloidal hide material to obtain dilute liquid gelatin; 7. vacuum adsorption and filtering to obtain pure clean dilute gelatin liquor; 8. vacuum concentration; 9. foaming under the vacuum condition; 10. using high-pressure cold air to blow said foamed gelatin liquor to obtain spongy material.
Time: 11
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