BIOCERAMICS-CONTAINING CELL COMPOSITION

PROBLEM TO BE SOLVED: To provide a bioceramics-containing cell composition useful as a biological material for reconstruction and the like in a damaged bone region of a living body by utilizing its good bioactivity toward living tissues and its practical strength and the ability to maintain its shap...

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Hauptverfasser:	SHIKINAMI YASUO, KAWARADA HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a bioceramics-containing cell composition useful as a biological material for reconstruction and the like in a damaged bone region of a living body by utilizing its good bioactivity toward living tissues and its practical strength and the ability to maintain its shape in vivo over several months and its capability to eventually disappear to be wholly replaced by bone tissues. SOLUTION: A degradation-absorbent polymer in vivo is dissolved in a solvent mixture of its solvent and a non-solvent having a higher boiling point than that of the solvent, and a suspension liquid with bioceramic powder being dispersed is prepared. By a method to precipitate the degradation-absorbent polymer in vivo encompassing the bioceramic powder with the solvent mixture undergoing volatilization from the prepared suspension liquid at a lower temperature than the boiling point of the solvent, a cell composition is formed having continuous pores and internally containing the bioactive bioceramic powder.