| http://www.w3.org/ns/prov#value | - The balloon 124 is selectively inflated by supplying thereto via another lumen 132 a pressurized fluid, such as a gas or liquid, from an inflation port 134 to a hole 136 in the exterior wall 126 of the cannula between the proximal and distal ends 129, 130 of the balloon to communicate with the interior thereof.
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