External tissue distraction with expanding frames
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United States of America Patent
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Mar 2, 2004
Issued Date -
N/A
app pub date -
Jul 16, 2001
filing date -
Dec 1, 1998
priority date (Note) -
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Abstract
A soft tissue expander comprises a frame comprised of inflatable members having in several embodiments a peripheral restrictor to force the frame to expand in only two dimensions. Various embodiments include frames arranged to be comprised of different polygonal shapes, frame members having internal mechanical restrictors, frames comprised of fusiform or cellular construction, and frames contained within two membranes that may also be filled with fluid.
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