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:
Jan. 23, 2007
Filed:
Oct. 28, 2002
Armin Studer, Steinhausen, CH;
Jason Trachsel, Ipsach, CH;
Martin Wymann, Liebefeld, CH;
Synthes (USA), West Chester, PA (US);
Abstract
An intervertebral disk prosthesis having an essentially hollow cylindrical base element () which is provided with a casing () that is embodied as a bellows, a top end (), and a bottom end (), and a central longitudinal axis (). The base element also includes an upper apposition plate (), which is disposed perpendicular to the longitudinal axis () at the top end () of the base element () and rests on the base plate of the vertebra, and a lower apposition plate (), which is arranged perpendicular to the longitudinal axis () at the bottom end () of the base element () and leans on the cover plate of a vertebra. The casing () serves a spring element having a defined spring rate.