The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 1995
Filed:
Dec. 07, 1993
K Zweymuller, Vienna, AT;
Andre Deckner, Paris, FR;
Plus Endoprothtik AG, , CH;
Abstract
A stem for a femoral hip-joint endoprosthesis comprises a shaft which is substantially rectangular in cross section, with a distal and a proximal end. The distal end tapers substantially conically and the proximal end (16) comprises an insertion means and an extraction means for the insertion and for the extraction of the stem into a marrow space of a femur. A cone is provided to receive a joint ball, the cone being connected to the proximal end of the shaft by way of a neck. The insertion means and the extraction means at the proximal end of the shaft are positioned substantially on the median long axis of the stem so that force transmission during insertion and extraction is coaxial.