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:
Aug. 28, 2012
Filed:
Nov. 28, 2006
Sunichi Bandoh, Kakamigahara, JP;
Masaru Zako, Takatsuki, JP;
Nobuhiko Sugano, Suita, JP;
Kabushiki Kaisha B.I. Tec, Gifu, JP;
Abstract
An artificial cement-less hip prosthesis stem comprises an inner constructwhich reacts with a load acting on a hip joint and an outer constructfor transmitting the load acting on the inner construct to a femur. The inner construct has an inner bodyB which reacts with the load transmitted from a neckA. The outer construct has both an outer bodyA which is bell mouth-shaped toward an epiphysis so as to surround the inner bodyB and a legB extending toward a medullary cavity. The torsional rigidity given to the proximal end and the distal end of the outer bodyA and the legB is regulated so as to be lower than the torsional rigidity given to an intermediate portionof the outer bodyA.