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:
Jun. 14, 2022
Filed:
Mar. 29, 2018
Waldemar Link Gmbh & Co. KG, Hamburg, DE;
Helmut D. Link, Hamburg, DE;
Udo Borchers, Norderstedt, DE;
Waldemar Link GmbH & Co. KG, Hamburg, DE;
Abstract
The invention relates to a connecting sleeve for anchoring shafts of two oppositely arranged prostheses, preferably on an elongate bone such as a femur or humerus. The reinforcing sleeve comprises two receiving bushes () for one prosthesis shaft each and comprises a separable coupling region () arranged therebetween for connection in such a manner as to resist shear forces and rotation. According to the invention, each receiving bush () has, on the side thereof facing the coupling region, one fork () of a pair of forks that interact with each other, and a fitting block () is arranged on a base of the fork, the lateral surfaces () of which fitting block have a distance that corresponds to an inner width of the fork, and the lateral surfaces () are designed to contact flanks of the fork in a planar manner, at least one fastening screw () being arranged transversely through the fork. The fork connection is simpler to produce than the known wedge connection and yet is sufficiently robust. Unlike in the case of the wedge connection, an exact fit is not required; a clearance fit between the fork () and the fitting block () is sufficient in principle, excessive play being eliminated by means of the fastening screw ().