Biocompatible perforated membranes, processes for their preparation, their use as a support in the in vitro growth of epithelial cells, the artificial skin obtained in this manner, and its use in skin grafts
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United States of America Patent
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Jul 5, 1994
Issued Date -
N/A
app pub date -
Feb 16, 1993
filing date -
Jun 1, 1990
priority date (Note) -
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Abstract
It is provided biocompatible membranes constructed of materials of natural, synthetic or semisynthetic origin, and having a thickness of between 10 and 500.mu., characterised by containing an ordered series of holes of a constant size between 10 and 1000.mu., separated from each other by a constant distance of between 50 and 1000.mu., and obtained by perforation by mechanical, thermal laser or ultraviolet radiation means, they being suitable for use as a support for the in vitro growth of epithelial cells. Artificial skins obtained thereby and its use in grafts are also provided.
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