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:
Feb. 10, 2004
Filed:
Nov. 02, 2001
David Harris, Shrewsbury, GB;
Finsbury (Development) Limited, Leatherhead, GB;
Abstract
A prosthesis for a metacarpophalangeal joint comprises a metacarpal plug member, a metacarpal insert member, and a phalangeal insert member. The metacarpal plug member comprises an elongate body which generally tapers from a proximal end to a distal end, an axial bore, and a plurality of axially spaced first fins projecting from the elongate body. The metacarpal insert member comprising a head portion having a convex articulating surface and a stem portion. The phalangeal insert member comprises an enlarged proximal end portion and an elongate shaft portion. The enlarged end portion is provided with a concave articulating surface substantially congruent with the convex articulating surface of the metacarpal insert member, and the elongate shaft portion tapers generally towards a distal end of the phalangeal insert member, and is provided with a plurality of axially spaced second fins projecting therefrom.