description Marius Smith-Petersen Overview
Marius Nygaard Smith-Petersen was a Norwegian-born American orthopedic surgeon known for major contributions to hip surgery. He developed the Smith-Petersen nail, an internal fixation device introduced in the 1920s for treating fractures of the femoral neck. He also pioneered mold arthroplasty, an early form of hip reconstruction using a cup placed over the femoral head, which influenced the later development of hip replacement surgery.
help Marius Smith-Petersen FAQ
What problem did the Smith-Petersen nail solve?
The Smith-Petersen nail was designed to stabilize fractures of the femoral neck near the hip. Introduced in 1925, its flanged metal design helped surgeons hold fracture fragments together internally.
What was Smith-Petersen cup arthroplasty?
Cup arthroplasty placed a molded cup over the reshaped femoral head to create a new bearing surface. It was an important predecessor to the modern total hip replacements associated with surgeons such as John Charnley.
Where did Marius Smith-Petersen practice orthopedic surgery?
The Norwegian-born surgeon built his career in Boston and became closely associated with Massachusetts General Hospital. His work there influenced both hip reconstruction and orthopedic surgical training.
Is the Smith-Petersen nail the same as a modern hip replacement?
No, the nail fixes a fracture while preserving the patient's own femoral head. A total hip replacement substitutes artificial components for both sides of the damaged joint.
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