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. 03, 1999
Filed:
Jan. 28, 1998
Raymond P Vito, Atlanta, GA (US);
Other;
Abstract
An improved fixation assembly for orthopedic applications. The fixation assembly includes a screw having an upper shank portion, a middle section with a recessed area, and a lower threaded section. A locking ring surrounds the recessed area of the screw, with the diameter of the locking ring being greater than the diameter of the recessed area of said screw and less than the diameter of the shank and threaded sections of the screw. The screw and locking ring combination is used to attach an orthopedic plate to a bone. The orthopedic plate includes a hole for receiving the screw and the locking ring. The hole includes an upper section and a lower section, wherein the width of the upper section is less than the width of the locking ring so that the locking ring is compressed while in the upper section of the hole. The width of the lower section is greater than the width of the locking ring so that the locking ring is not compressed while in the lower section of the hole.