A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/36 (2006.01) A61F 2/30 (2006.01) A61F 2/46 (2006.01) A61F 2/00 (2006.01) A61M 1/00 (2006.01)
Patent
CA 2099568
The invention relates to a hip prosthesis stem which can be cemented in the medullary cavity of the femoral shaft. A prosthesis device is provided for the replacement of a femoral head by implantation into the femoral bone, said prosthetic device comprising a) a stem of said prosthesis with a central borehole in its longitudinal direction, b) a drainage tube, to which vacuum can be applied, fitting slidably into said central borehole, c) a porous medullary cavity stopper fitting into the lower portion of the medullary cavity, d) a detacheable fastening means between said drainage tube and said porous medullary cavity stopper, allowing said vacuum to act through said porous medullary stopper, and allowing to fasten the distal end of the drainage tube to the central portion fo the medullary stopper. The invention further relates to a prosthesis for repair or replacement of a femoral head by implantation into the femoral bone, characterised in that the prosthesis is provided with a curvilinear stem, following the natural curvature of the medullary cavity, and with a central borehole, which follows the curvature of the stem. Another aspect of the invention is to provide a drainage tube equipped with a fastening means at one end for fastening a porous medullary cavity stopper. Yet another aspect of the invention ist to provide a porous medullary cavity stopper equipped with a structure suitable to be detacheable connected to said fastening means of said drainage tube.
Biomet Merck Deutschland Gmbh
Fetherstonhaugh & Co.
LandOfFree
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