Method and apparatus for intraoperative reapproximation of a hip

Details Method and apparatus for intraoperative reapproximation of a hip Method and apparatus for intraoperative reapproximation of a hip

1995-12-20

1998-08-04

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 72, A61B 1758

Patent

active

057887055

ABSTRACT:
A method and apparatus for realigning the pelvis, femoral head, femur, trochanter, and acetabulum of a patient during a hip joint replacement procedure being performed on the patient. Prior to replacing the hip of the patient with a prosthesis, a pin is inserted into the patient's pelvis. The pin has a plurality of weakened areas of reduced cross-section formed along its length so that the pin is capable of being bent at approximately a 90.degree. angle at each of the weakened areas. The pin is used to establish a point of reference as to the leg length and the desired orientation of the prosthetic joint.

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McGee et al., "A Simple Method of Obtaining Equal Leg Length," Clinical Orthopedics and Related Research, 1985, pp. 269-270.
Bal, "A Technique For Comparison of Leg Lengths During Total Hip Replacement", The American Journal of Orthopedics, pp. 61-62 (Jan. 15, 1996, date of mailing).
Harris, "A New Approach to Total Hip Replacement Without Osteotomy of The Greater Trochanter", Clinical Orthopaedics and Related Research, No. 106, pp. 19-26, (1975).
Knight, "Accurate Determination of Leg Lengths During Total Hip Replacement", Clinical Orthopaedics and Related Research, pp. 27-28, (1977).

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