Wrist implant apparatus and method
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United States of America Patent
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May 12, 2009
Grant Date -
Jun 17, 2004
app pub date -
Sep 18, 2003
filing date -
Sep 18, 2002
priority date (Note) -
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Abstract
Prosthetic wrist implants and methods are provided. The prosthetic wrist implant includes a radial component including a base member having an upper bearing surface and a lower surface having an elongated radial stem for fixation to a radius bone. The elongated radial stem can be in an off-center position in relation to a center of the lower surface. A carpal component is also provided including a substantially planar base member having an upper surface and a lower surface with at least one socket protrusion extending therefrom, and may further included an elongated carpal post member for fixation to one or more carpal bones. An articulating bearing component for placement between the radial and carpal components is provided and includes an upper surface defining at least one socket recess and a lower bearing surface for cooperative engagement with the upper bearing surface of the radial component. The socket protrusion of the carpal component is adapted to linearly engage the socket recess of the bearing component to desirably limit rotational and translational movement of the carpal component relative to the bearing component.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- INTEGRA LIFESCIENCES CORPORATION
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Reindel, Eric S | Encinitas, US | 6 | 541 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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