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. 28, 2017
Filed:
May. 20, 2016
Amendia, Inc., Marietta, GA (US);
Joshua David Gunn, Woodstock, GA (US);
David Brett Cain, Marietta, GA (US);
Amendia, Inc., Marietta, GA (US);
Abstract
A tulip bone screw assembly has a bone screw, a tulip and a saddle. The bone screw has a threaded shank and a polyaxial head. The tulip has a slotted opening for receiving a rod and an open distal end for passing the shank of the bone screw and holding the head and a locking ring positioned between the slotted opening and the distal end. The saddle has an axis defined by a center opening, a proximal concave end for engaging and holding the rod and a distal end with a plurality of friction fingers bent inwardly toward an axis of the saddle for applying a friction force to the head of the bone screw.