Surgery – Instruments – Orthopedic instrumentation
Patent
1995-05-26
1996-10-29
Willse, David H.
Surgery
Instruments
Orthopedic instrumentation
606 89, 606 96, A61B 1717, A61B 1756
Patent
active
055692559
ABSTRACT:
A prosthetic device for the human hip having elongated fins or other like protrusions which are provided on the underside of a collar and which extend into previously formed slots or grooves in the bone. Either a plurality of fins, or a single fin having a non-rectilinear shape is provided. Apparatus for formation of the grooves in the bone includes a mill guide which can be mounted onto the proximal end of a rasp embedded in a cavity formed in the bone. A milling bit is used in conjunction with the mill guide to form precisely located and shaped grooves into which the fins can seat. A clamp is provided for securing the prosthetic device to the femur while the cement is hardening.
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