Lundy and Associates
Leg length gauge for total hip surgery
 A leg length gauge for use during hip joint replacement surgery to insure that the overall length of the patient's leg subsequent to the surgery is substantially the same as it was prior to the surgery. A first pin is inserted into a patient's ilium and a second pin is inserted into the patient's femur. A removable gauge including an adjustably coupled pair of members having pin receiving apertures for receiving the first and second pins is positioned on the pins. One member includes a base portion provided with one of said pin receiving apertures and having an elongated leg extending from the base portion. The other member is provided with the other pin receiving aperture and includes a transverse aperture for receiving the elongated leg. The elongated leg is selectively adjustably secured within the transverse aperture by tightening a thumbscrew. When properly oriented, the first pin extends generally vertically from the ilium, the second pin extends generally vertically from the femur and the elongated leg extends generally horizontally between the base portion and the other member. 
Innomed, Inc.
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James M. William J. David
Anderson Bose Kaufman