Apparatus and method for sculpting the surface of a joint

Details Apparatus and method for sculpting the surface of a joint Apparatus and method for sculpting the surface of a joint

A - Human Necessities

61

B

A61B 17/16 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2681564

Methods and devices for sculpting bones, particularly in preparation for implanting prosthetic devices to replace articulating bone joint surfaces. Improved bone removal devices including burr mills driven by gears and loop drives are provided. Reciprocating cutters and belt cutters are also provided. Some devices have either integral or removable expandable portions to vary the force and bone resection depth. Devices can have irrigation ports and plenums to remove bone fragments. Some cutters are dual cutters, adapted to remove bone in two or more regions, such as the knee joint, simultaneously.

L'invention concerne des procédés et des dispositifs pour sculpter des os, en particulier dans la préparation de l'implantation de dispositifs prothétiques pour remplacer des surfaces d'articulation osseuse. L'invention propose des dispositifs améliorés pour enlever de l'os qui comprennent des broyeurs à meule entraînés par des engrenages et des commandes à boucle. Des dispositifs de coupe en va-et-vient et des coupe-courroies sont également proposés. Certains dispositifs ont des parties extensibles soit en une seule pièce, soit amovibles, pour modifier la force et la profondeur de résection osseuse. Les dispositifs peuvent avoir des orifices d'irrigation et des plénums pour retirer les fragments osseux. Certains dispositifs de coupe sont des dispositifs de coupe doubles, conçus pour enlever simultanément de l'os dans au moins deux régions, telles que l'articulation du genou.

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