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.:

US 9295500 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 29, 2016

Filed:

Jun. 12, 2013
Applicant:

Spine Wave, Inc., Shelton, CT (US);

Inventor:

Shresta Marigowda, Morton, PA (US);

Assignee:

Spine Wave, Inc., Spine Wave, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/58 (2006.01); A61B 17/60 (2006.01); A61F 2/00 (2006.01); A61B 17/70 (2006.01);
U.S. Cl.
CPC ...
A61B 17/7082 (2013.01);
Abstract

A screwdriver with a release for driving a multi-axial bone screw into a vertebra of the spine includes an elongate shaft defining a driving tip at its distal end for engaging and rotating the head of the bone screw. The screw driver includes a screw engagement member affixed to the shaft for joint rotational movement therewith, the screw engagement member comprising a releasable retention member for releasable attachment to the bone screw yoke. A release member is disposed about the elongate shaft comprising a hollow grip sleeve and a hollow push sleeve joined together for common axial movement along the elongate shaft. The grip sleeve is freely rotatable about the shaft and the push sleeve is rotatable relative to the grip sleeve and engaged with a proximal portion of the shaft for joint rotational movement therewith.


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Marigowda, Shresta. (2016). Screw driver with release for a multiaxial bone screw (U.S. Patent No. 9295500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9295500

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