Implant material based on a polymer system and the use thereof

A - Human Necessities – 61 – L

Patent

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Details

A61L 24/00 (2006.01) A61L 24/04 (2006.01) A61L 27/14 (2006.01) A61L 27/44 (2006.01)

Patent

CA 2682140

The invention relates to an implant material based on a polymer system composed of at least two components and the use thereof as a bone cement, bone replacement material, or active ingredient carrier. The implant material according to the invention is based on a polymer system and composed of at least two components that react with one another upon mixing and form a polymer-based solid, wherein the first component of the polymer system is a paste comprising at least one biocompatible polymer powder and a starter component for the initiation of a polymerization reaction upon mixing, wherein the paste is formed with the aid of a carrier liquid, wherein, under normal conditions, the polymer powder does not dissolve or significantly swell in the carrier liquid and the starter component remains stable until being mixed with the second component of the polymer system, and wherein the second component of the polymer system comprises at least one reactive organic liquid or a solution or a suspension of a reactive organic liquid and a polymer.

L'invention concerne un matériau pour implant à base d'un système polymère comprenant au moins 2 composants, ainsi que son utilisation comme ciment osseux, matériau de substitution osseuse ou support de matière active. Le matériau pour implant selon l'invention, à base d'un système polymère, comprend au moins 2 composants qui, une fois mélangés, réagissent mutuellement et forment une matière solide à base de polymère. Le premier composant du système polymère est une pâte qui renferme au moins une poudre polymère biocompatible, et un composant initiateur déclenchant une réaction de polymérisation lors du mélange, la pâte étant formée au moyen d'un liquide support, si bien que dans les conditions normales, la poudre de polymère ne se dissout pas dans le liquide support ou gonfle de façon significative, et le composant initiateur demeure stable jusqu'au mélange avec le second composant du système polymère, ledit second composant renfermant au moins un liquide organique réactif ou une solution, ou une suspension d'un liquide organique réactif et d'un polymère.

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