Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2006-03-01
2010-12-14
Barrett, Thomas C (Department: 3775)
Surgery
Instruments
Orthopedic instrumentation
C606S300000, C606S301000, C606S302000, C606S303000, C606S304000, C606S305000, C606S306000, C606S307000, C606S308000, C606S309000, C606S315000, C606S316000, C606S317000, C606S076000, C606S077000
Reexamination Certificate
active
07850717
ABSTRACT:
A bone anchor including a bone engaging element and an implant engaging element. The bone engaging element includes a first portion formed of a first material and a second portion formed of a second material and extending at least partially along a length of the first portion, and with the second portion of the bone engaging element positioned between the first portion and adjacent bone tissue when the bone engaging element is engaged with the bone to provide an interface with the adjacent bone tissue. In one embodiment, the first portion of the bone engaging element exhibits a first level of rigidity and the second portion exhibits a second level of rigidity less than the first level of rigidity. In another embodiment, the bone engaging element includes external threads, with the second portion of the bone engaging element defining at least a portion of the external threads.
REFERENCES:
patent: 4044170 (1977-08-01), Scharbach et al.
patent: 5177958 (1993-01-01), Clemens et al.
patent: 5360448 (1994-11-01), Thramann
patent: 5395371 (1995-03-01), Miller et al.
patent: 5643263 (1997-07-01), Simonson
patent: 5810821 (1998-09-01), Vandewalle
patent: 5824247 (1998-10-01), Tunc
patent: 5947967 (1999-09-01), Barker
patent: 6152927 (2000-11-01), Farris et al.
patent: 6280445 (2001-08-01), Morrison et al.
patent: 6740086 (2004-05-01), Richelsoph
patent: 6783527 (2004-08-01), Drewry et al.
patent: 6916321 (2005-07-01), TenHuisen et al.
patent: 7235079 (2007-06-01), Jensen et al.
patent: 2005/0059972 (2005-03-01), Biscup
patent: 2005/0240265 (2005-10-01), Kuiper et al.
patent: 103 19 781 (2004-08-01), None
patent: 2 073 024 (1981-10-01), None
Dewey Jonathan
Patterson Chris
Barrett Thomas C
Boles Sameh
Warsaw Orthopedic Inc.
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