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 8052691 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 08, 2011

Filed:

Nov. 18, 2004
Applicants:

Ralph Fritz Zwirnmann, Roslyn, PA (US);

Michael C. Chen, King of Prussia, PA (US);

Inventors:

Ralph Fritz Zwirnmann, Roslyn, PA (US);

Michael C. Chen, King of Prussia, PA (US);

Assignee:

Synthes USA, LLC, West Chester, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a device for attaching fixation elements to bone, having a longitudinal member with a channel extending therein adapted for receiving at least one fixation element. A shaft extends within the channel and is positioned coaxially within at least a portion of the longitudinal member and at least a portion of the shaft is retained within the longitudinal member and a distal end of the shaft is configured and adapted to contact at least a portion of the fixation element received within the longitudinal member. A spring is positioned adjacent the shaft for resiliently biasing the shaft in an axial direction and the shaft is moveable with respect to the longitudinal member to drive the fixation element into bone.


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Zwirnmann, Ralph. (2011). Spring loaded fixation element insertion device (U.S. Patent No. 8052691). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8052691

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