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. 10, 2021
Filed:
May. 30, 2017
Applicant:
Kyungpook National University Industry-academic Cooperation Foundation, Daegu, KR;
Inventor:
Kyoung Tae Kim, Daegu, KR;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/84 (2006.01); A61B 17/68 (2006.01); A61B 17/70 (2006.01); A61B 17/86 (2006.01);
U.S. Cl.
CPC ...
A61B 17/844 (2013.01); A61B 17/686 (2013.01); A61B 17/7032 (2013.01); A61B 17/8605 (2013.01); A61B 17/7035 (2013.01); A61B 17/8685 (2013.01);
Abstract
A screw anchor assembly used in pedicle screw fixation is provided. The screw anchor assembly includes a screw having screw threads defined on a circumferential surface, and a screw anchor having a first end and a second end, an accommodating part defined by anchor screw threads on an inner surface of the screw anchor and having one end to receive the screw, and a locking step extended in a circumferential direction from the first end of the screw anchor. The accommodating part flexibly extends when the screw is screw-coupled to the screw anchor.