Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Having means to promote cellular attachment
Reexamination Certificate
2011-06-21
2011-06-21
Ramana, Anu (Department: 3775)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Having means to promote cellular attachment
Reexamination Certificate
active
07963997
ABSTRACT:
An implantable device for facilitating the healing of voids in bone, cartilage and soft tissue is disclosed. A preferred embodiment includes a cartilage region comprising a polyelectrolytic complex joined with a subchondral bone region. The cartilage region, of this embodiment, enhances the environment for chondrocytes to grow articular cartilage; while the subchondral bone region enhances the environment for cells which migrate into that region's macrostructure and which differentiate into osteoblasts. A hydrophobic barrier exists between the regions, of this embodiment. In one embodiment, the polyelectrolytic complex transforms to hydrogel, following the implant procedure.
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Bradica Gino
Brekke John H.
Goldman Scott M.
Kensey Nash Corporation
Ramana Anu
Ramberg Jeffrey R.
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