Document Type

Patent

Patent Number

US Patent 6,004,323

Patent agency

United States Patent and Trademark Office

Publication Date

12-21-1999

Assignee

University of Iowa Research Foundation (Iowa City, IA, US)

Application Number

08/795,611

Date Filed

1997-02-04

Total Pages

14 pages

Abstract

The present invention discloses a nut to be used in a spinal screw and plate assembly to affix the screw and plate assembly to the spinal bone. The nut has a polymer insert that when contacted with a screw allows a bone plate and screw structure to relax over time.

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URL

https://ir.uiowa.edu/patents/232