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:
Nov. 16, 2010
Filed:
Oct. 19, 2007
Marc Richelsoph, Bartlett, TN (US);
Joseph Clift, Bartlett, TN (US);
Marc Richelsoph, Bartlett, TN (US);
Joseph Clift, Bartlett, TN (US);
Aesculap Implant Systems, LLC, Center Valley, PA (US);
Abstract
A spring member for an artificial intervertebral disc includes a substantially annular body including an axially extended bore therethrough defining a passageway. A seat extends radially inward towards the bore for seating therein a bearing member for adjusting and compensating vertebral disc motion. An engagement member extends radially outwardly from the bore for engaging a housing member and securing the spring member within the housing member. The spring member absorbs compressive loads between the bearing member and the housing member while controlling motion and position of the bearing member.