Method and device for reconstruction of articular cartilage

Details Method and device for reconstruction of articular cartilage Method and device for reconstruction of articular cartilage

1995-06-07

1999-12-21

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F 228

Patent

active

060051612

ABSTRACT:
A biodegradable device for facilitating healing of structural voids in bone, cartilage as well as soft tissue is disclosed in the most preferred form including a porous macrostructure made from a biodegradable polymer and a chemotactic ground substance in the form of an RGD attachment moiety of fibronectin formed as a porous microstructure. For repair of articular cartilage, harvested precursor cells are secured to the biodegradable carrier which is shaped for press fitting into the articular cartilage lesion. In the most preferred form, the chemotactic ground substance enhances the attractiveness of the biodegradable device for cellular attachment at the site of repair and also facilitates the attachment of free, precursor cells such as chondrocytes and bone marrow to the biodegradable device. In the most preferred form, biological modifiers such as transforming growth factor B and basic fibroblastic growth factor is incorporated in the biodegradable device to mediate cellular activity and regulate cellular functions.

REFERENCES:
patent: 4846835 (1989-07-01), Grande
patent: 5041138 (1991-08-01), Vacanti et al.
patent: 5133755 (1992-07-01), Brekke
patent: 5366508 (1994-11-01), Brekke

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