CPC A61B 1/00078 (2013.01) [A61B 1/00135 (2013.01)] | 25 Claims |
1. A rigidizing system comprising:
an elongate rigidizing device configured to be rigidized from a flexible configuration to a rigid configuration; and
a working channel sleeve comprising one or more expandable external working channels formed of one or more non-elastic filaments, the working channel sleeve positioned along the elongate rigidizing device and configured so that the one or more external working channels expands when a tool is passed therethrough, wherein the one or more non-elastic filaments are knitted, braided or woven to form pores having a pore size that may vary as the external working channel is expanded or collapsed.
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