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US 12,004,777 B2Granted
Strength and fatigue life improvements for active bone and joint stabilization devices
AssigneeMedeon Biodesign, Inc.
InventorsKathryn A. Stecco, Frank P. Becking, Carlos Castro, Roger William Sharpe, Damon Covell Campbell
Life of this patent
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Abstract
Bone and joint stabilization devices or systems are described that include multiple-layer bodies. The approach offers dramatically improved fatigue life as compared to one-piece spring members that are otherwise similar or comparable. Coordinated improved-strength anchor embodiments, anchor loading tools and methods of use are also described.
Claims15
A system comprising:
- an anchor loader comprising:
- an anchor loader body including a tunnel configured to receive a spring member;
- a plurality of flexible extensions from the anchor loader body, each of the flexible extensions including an overhanging tip configured to retain an anchor;
- and
- a lever arm connected to the anchor loader body, the lever arm being able to move toward the anchor loader body and including a tip configured to push an anchoring tooth to fix the anchor to the spring member.
2 more elements
A system comprising:
- an anchor head;
- a spring member, wherein the spring member has an elongate stretchable structure with a plurality of beams arranged in opposing pairs, and a window is defined by each opposing beam pair;
- an anchor loader comprising:
- an anchor loader body including a tunnel configured to receive the spring member;
- a plurality of flexible extensions from the anchor loader body, each of the flexible extensions including an overhanging tip configured to retain the anchor head;
- and
- a lever arm connected to the anchor loader body, the lever arm being able to move toward the anchor loader body and including a tip configured to push an anchoring tooth to fix the anchor head to the spring member.
4 more elements
Dependencies are inferred from the claim text.