| http://www.w3.org/ns/prov#value | - of an overtube suitable for use in the present invention having a multiplicity of interconnected links surrounded by a clamping sleeve, and cross-sectional views of portions of the sleeve; [0064]FIG. 32 is a side-sectional view of a further alternative embodiment of an overtube constructed in accordance with the present invention having a spiral bladder to actuate the clamping links; [0065]FIG. 3
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