$Adsorbable internal fixing material for bone fracture and its preparing process$

Adsorbable internal fixing material for bone fracture and its preparing process

An absorbable internal fixing material for bone fracture is prepared from polylactic acid (50-90 wt.%), tricalcium phosphate (1-40 wt.%) and hydroxylapatitie (1-40 wt.%) through mixing then and then hot die pressing at 80-1230 deg.C and under 0.11-25 MPa or hot extruding at 80-230 deg.c. The granula...

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Bibliographische Detailangaben
Hauptverfasser:	XINSONG LI, YUEPU PU, XINSHENG QI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DIAGNOSIS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE IDENTIFICATION MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SURGERY TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An absorbable internal fixing material for bone fracture is prepared from polylactic acid (50-90 wt.%), tricalcium phosphate (1-40 wt.%) and hydroxylapatitie (1-40 wt.%) through mixing then and then hot die pressing at 80-1230 deg.C and under 0.11-25 MPa or hot extruding at 80-230 deg.c. The granulality of hydroxylapatite and tricalcium phosphate is less than 100 microns. Its advantages are high strength, high strength, high X-ray visualization and high biocompatibility.