Patent · US Active

Multi-axial bone attachment member

US7867258B2 · kind B2 · utility

26Cited by

20References

25Claims

0Family size

Assignee

Warsaw Orthopedic, Inc.

Inventors

Troy D. Drewry · Memphis, US
William B. Null · Olive Branch, US
Marc T. Paul · Memphis, US

Key dates

Filing date	Oct 17, 2006
Grant date	Jan 11, 2011
Priority date	—
Expiry date	Jun 5, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/7035
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Orthopedic constructs having parts that are movable with respect to each other and one or more friction members to limit unintended movement are disclosed. In one embodiment, a multi-axial bone anchor having a receiver member and a screw-type anchor is provided. The receiver member includes one or more internal apertures in which a friction member is placed, and a portion of the anchor contacts or is loosely held by the friction member(s).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.