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:
Mar. 03, 1992
Filed:
May. 31, 1989
Katsutoshi Bekki, Aichi, JP;
Kiyoshi Shinjo, Aichi, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
An artificial femoral head having outer casing and generally spherical head inserted therein with a plurality of bearings inserted therebetween, permitting rotation with a coefficient of friction substantially equal to that of human cartilage. An artificial hip joint having a cup-shaped socket, capable of either being threaded or cemented into a bone cavity, having a generally spherical head inserted therein, having a plurality of bearings therebetween permitting rotation. Another embodiment of the hip joint includes a slide bearing inserted therebetween in addition to the plurality of bearings, permitting rotation in a range up to 120.degree..
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile