Cushion bearing implants for load bearing applications
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United States of America Patent
Stats
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Aug 11, 2009
Grant Date -
Apr 21, 2005
app pub date -
Dec 3, 2002
filing date -
Dec 4, 2001
priority date (Note) -
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Abstract
An acetabular implant for use in a hip joint prosthesis is disclosed. The implant includes a body portion comprising a polycarbonate polyurethane. The body portion includes a substantially semispherical inner articulating surface defining a socket sized to receive a head portion of a femoral component of the hip joint prosthesis and an outer engagement surface having an annular protrusion extending outwardly therefrom. The annular protrusion is configured for snap-fit engagement with a corresponding recess in the acetabulum. The implant also includes a deformation control element comprising a polyethylene having an increased durometer hardness relative to the polycarbonate polyurethane and positioned entirely within the body portion between the inner articulating surface and the outer engagement surface.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ACTIVE IMPLANTS CORPORATION
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Steinberg, Amiram | Moshav Avihail, IL | 38 | 2600 |
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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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