| 摘要 |
This invention is an apparatus for removing bone from a femoral notch, which includes a guidewire (50) and a router assembly (55). The router assembly comprises a cutting head (67) fixed to a shaft (70) rotatably disposed in a hole through a body portion (80) of a shield assembly (75). A hood portion (85) of the shield assembly extends from the body portion of the shield assembly, and covers a first portion of the cutting head while leaving exposed a second portion of the cutting head. The guidewire extends through a hole (95) in the shaft, cutting head, and shield assembly hood portion such that the router assembly (55) is movable along the guidewire. The shaft (70) is rotatable in the shield assembly body portion, such that the second portion of the cutting head is engageable with the bone and operative to remove portions of the bone.
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