External tissue distraction with expanding frames

Details External tissue distraction with expanding frames External tissue distraction with expanding frames

A - Human Necessities

61

F

A61F 5/00 (2006.01) A41C 3/10 (2006.01) A61F 5/03 (2006.01)

Patent

CA 2352851

A soft tissue expander (20) comprises a frame comprised of inflatable members (52) having in several embodiments a peripheral restrictor (56) to force the frame to expand in only two dimensions. Various embodiments include frames arranged to be comprised of different polygonal shapes, frame members (100, 102, 104) having internal mechanical restrictors, frames comprised of fusiform or cellular construction, and frames contained within two membranes that may also be filled with fluid.

L'invention concerne un dispositif d'extension d'un tissu mou, comprenant un cadre pourvu d'éléments gonflables qui, selon plusieurs modes de réalisation, possèdent un restricteur périphérique, destiné à amener le cadre à s'étendre selon deux dimensions. Dans différents modes de réalisation, l'invention concerne des cadres agencés de façon à présenter différentes formes polygonales, des éléments de cadre possédant des restricteurs mécaniques internes, lesdits cadres comprenant une construction cellulaire ou fusiforme, et contenant deux membranes qui peuvent être remplies d'un liquide.

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