Articulating joint repair

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/44 (2006.01) A61B 17/17 (2006.01) A61B 17/88 (2006.01) A61F 2/30 (2006.01) A61F 2/46 (2006.01) A61L 27/00 (2006.01) A61L 27/18 (2006.01) A61L 29/04 (2006.01) A61L 29/06 (2006.01) C08G 18/10 (2006.01) C08G 18/48 (2006.01) C08G 18/69 (2006.01) A61B 17/00 (2006.01) A61F 2/32 (2006.01) A61F 2/38 (2006.01) A61F 2/40 (2006.01) A61F 2/42 (2006.01)

Patent

CA 2244197

A method and related materials and apparatus for using minimally invasive means to repair (e.g., reconstruct) tissue such as fibrocartilage, and particularly fibrocartilage associated with diarthroidal and amphiarthroidal joints. The method involves the use of minimally invasive means to access and prepare damaged or diseased fribrocartilage within the body, and to then deliver a curable biomaterial, such as a curable polyurethane system, to the prepared site, and to cure the biomaterial in situ in order to repair the fibrocartilage. Applications include repair (e.g., reconstruction or replacement) of the intervertebral disc of the spine. An apparatus is provided in the form of an uninflated balloon that can be inserted into the disc space and there inflated with biomaterial in order to distract the space and provide a permanent replacement disc.

Cette invention concerne un procédé, un appareil et les matériaux associés qui permettent, à l'aide d'un moyen le moins invasif possible, de réparer (c'est à dire de reconstruire) un tissu du type fibrocartilage, et notamment du fibrocartilage associé à des articulations diarthrodiales et amphiarthrodiales. Ledit procédé consiste à utiliser un dispositif, le moins invasif possible, pour accéder au fibrocartilage endommagé ou malade à l'intérieur du corps et préparer ce fibrocartilage, puis à apporter un biomatériau polymérisable, du type système de polyuréthanne polymérisable, sur le site préparé, et à polymériser le biomatériau in situ de façon à réparer le fibrocartilage. La réparation (c'est à dire la reconstruction ou le remplacement) d'un disque intervertébral de la colonne vertébrale est une des applications possibles de l'invention. L'invention se rapporte aussi à un appareil ayant la forme d'un ballon dégonflé que l'on peut insérer à l'intérieur de l'espace intervertébral et que l'on gonfle alors avec ledit biomatériau de façon à opérer une distraction articulaire et à constituer un disque de remplacement permanent.

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