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. 04, 1991
Filed:
Feb. 09, 1989
Karl H Tager, Gauting, DE;
Howmedica, GmbH, Schonkirchen, DE;
Abstract
A joint socket member for a joint prosthesis, in particular a hip joint socket member of a hip joint endoprosthesis in which, in accordance with the invention, the cup element is formed from preferably two cup portions, disposed at least in two cup planes arranged radially at a spacing with a free intermediate space relative to each other, wherein openings are provided at least in the cup portion which is towards the bone, the number, distribution, shape and size of the openings, during the operation, permitting the introduction and secure holding of spongiosa or loose bone substance into the intermediate space and thereafter ensuring growth thereinto of new strong bone substance.