| http://www.w3.org/ns/prov#value | - SUMMARY OF THE INVENTION In one embodiment, there is provided an apparatus including an instrument having an elongate body; a working channel connected externally to the elongate body and extending from a proximal position on the elongate body to a distal position on the elongate body, the working channel having a stowed configuration and a deployed configuration; and a plurality of rigidizable el
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