| http://www.w3.org/ns/prov#value | - The arm 220 includes a paddle 246 at the posterior end that is configured to press in an anterior direction on the muscular tissue within the tongue 34 as the arm 220 curves. [0198] The method of curving a hollow tube is well known in the medical device industry and is used for many types of steerable therapeutic and diagnostic devices, such as catheters and endoscopes.
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