US 4,753,652 AGranted

Biomaterial implants which resist calcification

AssigneeChildren's Medical Center Corporation

InventorsRobert Langer, Robert J. Levy

Life of this patent

Estimating the term…

A biomaterial implant into which is incorporated a sustained release polymer containing an anticalcium agent.

Dependent claims

A biomaterial implant into which is incorporated a sustained release polymer containing at least one anticalcium agent.

Dependencies are inferred from the claim text.

A61L 27/507
Materials characterised by their function or physical properties , e.g. injectable or lubricating compositions, shape-memory materials, surface…:…
A61L 27/3687
Subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous…:…
A61L 27/54
Materials characterised by their function or physical properties , e.g. injectable or lubricating compositions, shape-memory materials, surface…:…
A61L 2300/40
Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices: characterised by a specific therapeutic…

From the US filing history. Foreign family members aren’t listed.

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