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. 21, 1995
Filed:
Feb. 10, 1994
Peter Metz-Stavenhagen, Bad Wildungen, DE;
Klaus F Behrens, Rickling, DE;
Howmedica GmbH, Schoenkirchen, DE;
Abstract
Support device for the human vertebral column having an elongated dorsally implantable holding device, at least two pedicle screws which have a head and a threaded shank and the head of which is mounted on the holding device pivotally about an axis which extends approximately perpendicularly to the threaded shank axis whilst the threaded shank projects from the holding device, and a securing device for the fixing of the pedicle screws in the set angular position and at desired axial intervals from each other, wherein the holding device includes at least two separate preferably threaded bolts which cooperate with a preferably threaded sleeve and which at the head ends includes a clamping surface lying on the axis or axis-parallel, the head of the pedicle screws includes two approximately parallel clamping faces extending approximately parallel to the threaded shank axis and for each bolt a screw connection is provided which clampingly fixes with respect to each other in their position the clamping surfaces of bolts and pedicle screws or of two bolts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile