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:
Jul. 23, 2002
Filed:
Jun. 07, 2001
Patrick Kluger, Erbach, DE;
Ulrich GmbH & Co. KG, Ulm, DE;
Abstract
The bone screw according to the invention for connection at a variable angle with a support bar for osteosynthesis, in particular a pedicle screw for implants for correcting and stabilizing a spinal column, has a threaded shaft ( ) for screwing into a vertebra ( ) and with a screw head ( ) for fixing to a support bar ( ), the screw head ( ) being formed as a partial sphere with a frustoconically tapered peg ( ) having a threaded bore ( ), the tapered peg ( ) with its threaded bore ( ) extending at an acute angle to a longitudinal axis of the threaded shaft ( ). The tapered peg ( ) is securable by means of a screw ( ) engaging in the threaded bore ( ) to a clamping sleeve ( ) forming a seat ( ) for the support bar ( ).