Device and method for distal resections of a knee prosthetic

Details Device and method for distal resections of a knee prosthetic Device and method for distal resections of a knee prosthetic

A - Human Necessities

61

F

A61F 2/46 (2006.01) A61B 17/15 (2006.01)

Patent

CA 2665393

A device and method for resecting a distal portion of a femur comprises a distal cutting guide [98], a valgus guide [102], and a variable collet [10]. The distal cutting guide [98] is configured to overlie an anterior portion of the femur and comprises a slot for guiding a cutting tool across a distal portion of the femur. The valgus guide [102] is configured to connect to the distal cutting guide [98]. The valgus guide [102] is configured to align the slot of the distal cutting guide[98] at the proper varus/ valgus angle. The variable collet [10] is configured to attach to an intramedullary rod and the valgus guide [102]. The variable collet [10] comprises a port [30] for receiving the intramedullary rod. The port [30] is angularly adjustable with respect to the valgus guide [102] such that adjusting the port [30] adjusts the varus/ valgus angle of the distal cutting guide [98].

La présente invention concerne un dispositif et un procédé, permettant de resectionner une partie distale d'un fémur, qui comprend un guide de coupe distale [98], un guide de valgus [102] et un collet variable [10]. Le guide de coupe distale [98] est conçu pour recouvrir une partie antérieure du fémur et comprend une fente destinée à guider un outil de coupe à travers une partie distale du fémur. Le guide de valgus [102] est conçu pour se raccorder au guide de coupe distale [98]. Le guide de valgus [102] est conçu pour aligner la fente du guide de coupe distale [98] selon l'angle varus/valgus approprié. Le collet variable [10] est conçu pour se fixer à une tige intramédullaire et au guide de valgus [102]. Le collet variable [10] comprend un orifice [30] destiné à recevoir la tige intramédullaire. L'orifice [30] peut s'ajuster de manière angulaire par rapport au guide de valgus [102] de telle sorte que le réglage de l'orifice [30] permet d'ajuster également l'angle varus/valgus du guide de coupe distale [98].

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