External Tissue Distraction With Expanding Frames


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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Document History
  • Publication: Mar 2, 2004
  • Application: Jul 16, 2001
    US US 67322001 A
  • Priority: Jul 16, 2001
    US US 67322001 A
  • Priority: Dec 1, 1999
    US US 9928484 W
  • Priority: Dec 1, 1998
    US US 20383298 A

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