| 摘要 |
A scalable modular hip resurfacing arthroplasty system includes (1) an alignment guide 204 for precise guide pin insertion, (2) a modular cannulated cylindrical reamer assembly 710 for accurate femoral head cylindrical reaming and central bone channel drilling, (3) a saw guide 1004 for an accurate femoral head osteotomy, (4) a soft tissue protector 1200 with a stepped design to shield and retract tissues, (5) a hip retractor 1500 that seats onto a prepared femur, (6) an outer hole drill guide 1700 aiding drilling of peripheral holes, and (7) a femoral resurfacing implant 2010 with a cap portion and central stem adapted for multiple modular attachments including plates. A method for preparing the proximal femur for hip resurfacing with novel stepped cylindrical femoral head osteotomy and central bone channel drilling, leaving an intact collar of cortical bone above the femoral head articular rim. |
