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1. (US20070233071) Bone anchors having two or more portions exhibiting different performance characteristics and method of forming the same

المكتب : الولايات المتحدة الأمريكية
رقم الطلب: 11365565 تاريخ الطلب: 01.03.2006
رقم النشر: 20070233071 تاريخ النشر: 04.10.2007
رقم التسليم: 7850717 تاريخ التسليم: 14.12.2010
نوع النشر: B2
التصنيف الدولي للبراءات:
A61B 17/58
A61B 17/84
A61B 17/86
Description not available in lang arDescription not available in lang arDescription not available in lang ar
المتقدمون: Warsaw Orthopedic, Inc.
المخترعون: Dewey Jonathan
Patterson Chris
بيانات الأولوية:
العنوان: (EN) Bone anchors having two or more portions exhibiting different performance characteristics and method of forming the same
الملخص: front page image
(EN)

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.