Open cell tantalum structures for cancellous bone implants and c

Details Open cell tantalum structures for cancellous bone implants and c Open cell tantalum structures for cancellous bone implants and c

1992-03-11

1994-02-01

Isabella, David

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

Implantable prosthesis

Bone

623 11, 623 66, 427 2, A61F 228, A61F 202, A61F 254, A01N 102

Patent

active

052828611

ABSTRACT:
A tantalum open cell structure is formed by chemical vapor deposition onto a reticulated carbon foam substrate. Tantalum has a long history of use as an implant material, in both bone and soft tissue. This lightweight, strong, porous structure, mimicking the microstructure of natural cancellous bone, acts as a matrix for the incorporation of bone, providing optimal permeability and a high surface area to encourage new bone ingrowth.

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patent: 4846834 (1989-07-01), von Recum et al.
patent: 5030233 (1991-07-01), Ducheyne
patent: 5152794 (1992-10-01), Davidson

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