Natural tissue devices and methods of implantation

Details Natural tissue devices and methods of implantation Natural tissue devices and methods of implantation

A - Human Necessities

61

F

A61F 2/44 (2006.01) A61L 27/24 (2006.01) A61L 27/36 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2499116

Materials and methods for repairing or replacing an intervertebral disc or disc nucleus using natural biological tissue (11). The tissue may be used alone without an additional core material, or it may be used to encapsulate an elastomeric or hydrogel core. When used alone the tissue may be rolled, folded, braided, or layered to provide a solid plug of natural biological material. When used to encapsulate an elastomeric or hydrogel core the tissue acts as a constraining jacket to support the core. The natural tissue implants (10) may further include a drawstring to assist in folding the implant when the device is implanted in an intervertebral disc space. Multiple units of the natural tissue implants may be used together.

L'invention concerne des matériaux et des méthodes permettant de réparer ou de remplacer un disque intervertébral ou un noyau de disque à l'aide d'un tissu biologique naturel. Ledit tissu peut s'utiliser seul sans matériau de noyau supplémentaire ou pour encapsuler un noyau élastomère ou hydrogel. Lorsqu'on l'utilise seul, le tissu peut être roulé, plié, tressé ou disposé en couche afin de fournir une prise de matériau biologique naturel solide. Lorsqu'on l'utilise pour encapsuler un noyau élastomère ou hydrogel, le tissu agit comme une enveloppe de contrainte destinée à supporter le noyau. Les implants de tissu naturel comprennent également un lacet de serrage facilitant le pliage d'un implant lorsque le dispositif est implanté dans un espace de disque intervertébral. On peut utiliser plusieurs unités d'implants de tissu naturel ensemble.

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