Stem for an artificial joint

Details Stem for an artificial joint Stem for an artificial joint

A - Human Necessities

61

F

3/104

A61F 2/32 (2006.01) A61F 2/30 (2006.01) A61F 2/34 (2006.01) A61F 2/36 (2006.01)

Patent

CA 1066455

ABSTRACT OF THE DISCLOSURE An artificial hip joint including an acetabulum pros- thesis for the cotyloid cavity defining a socket and having a plurality of outwardly extending blades for engaging the pre- pared wall of the cavity together with a prosthesis of the head of the femur movably interconnected with the acetabulum prosthe- sis and which includes a pin arranged to be driven into the bone- marrow channel of the femur, a neck connected integrally to the pin and a hip ball secured to the neck and movably disposed with- in the socket, the pin including a tapered upper portion and a lower portion provided with a plurality of longitudinally extend- ing flutes each having a longitudinally extending cutting edge to prevent rotation of the pin and a pair of rows of slots or holes arranged in diametrically opposed relationship on both the pin upper and lower portions for promoting bone ingrowth.

245720

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