Open cell tantalum structures for cancellous bone implants and cell and tissue receptors
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United States of America Patent
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Feb 1, 1994
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app pub date -
Mar 11, 1992
filing date -
Mar 11, 1992
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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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