| http://www.w3.org/ns/prov#value | - Sheath 24 includes a distal end 28 that is slightly tapered and formed of a flexible material such as a low durometer polyethylene so as to minimize trauma to body tissues contacted by the end 28 during its movement into and within the esophagus and stomach. [0066] Pusher tube 26 is an elongate tube extending through the sheath 24 and extending slightly from the proximal end of the sheath 24.
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