HYDROPHILIC PHOSPHATE GROUP CONTAINING DEHYDRATED PARTIALLY PURIFIED BONE REPLACEMENT MATERIAL

The invention provides: - A hydrophilic dehydrated partially purified bone replacement material of natural origin, wherein substantially all non-collagenous organic material is removed while inorganic, porous osseous structure and collagenous structure of natural bone are substantially preserved, ch...

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Hauptverfasser: BUFLER, MICHAEL, SCHAFER, BIRGIT, IMHOF, CORNEL, SCHLOSSER, LOTHAR
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Sprache:eng ; fre
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creator BUFLER, MICHAEL
SCHAFER, BIRGIT
IMHOF, CORNEL
SCHLOSSER, LOTHAR
description The invention provides: - A hydrophilic dehydrated partially purified bone replacement material of natural origin, wherein substantially all non-collagenous organic material is removed while inorganic, porous osseous structure and collagenous structure of natural bone are substantially preserved, characterized in that the bone replacement material contains 0.05 to 1.5 w/w % of at least one of a saccharide or a sugar alcohol, and 0.7 to 5.6 w/w % of a phosphate group selected from the group consisting of phosphate HPO42- and H2PO4 -, this phosphate group being part of a physiologically acceptable salt and - a process for preparing a hydrophilic dehydrated partially purified bone replacement material. La présente invention concerne : - un matériau de substitution osseuse hydrophile, déshydraté et partiellement purifié d'origine naturelle, sensiblement la totalité du matériau organique non collagénique étant éliminée alors que la structure osseuse et poreuse inorganique et la structure collagénique de l'os naturel est sensiblement conservée, caractérisé en ce que le matériau de substitution osseuse contient de 0,05 à 1,5 % p/p d'au moins un saccharide ou un polyol, et de 0,7 à 5,6 % w/w d'un groupe phosphate sélectionné dans le groupe constitué du phosphate HPO42- et H2PO4 -, ce groupe phosphate faisant partie d'un sel physiologiquement acceptable et - un procédé de préparation d'un matériau de substitution osseuse hydrophile et déshydraté, partiellement purifié.
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subjects CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
HUMAN NECESSITIES
HYGIENE
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
MEDICAL OR VETERINARY SCIENCE
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
title HYDROPHILIC PHOSPHATE GROUP CONTAINING DEHYDRATED PARTIALLY PURIFIED BONE REPLACEMENT MATERIAL
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