Other

Peter Stephenson

Thomas Julius Borody

Peter Joseph Ayre

John Begg

A self-advancing endoscope (,) comprising an elongated flexible tubular member (,) and an elongated channel (,) defined by the tubular member (,) and having a distal end wall (,). Piston means (,) are slideably disposed in the channel (,) toward the distal end wall (,). The endoscope (,) also comprises means (,) for reciprocating the piston means (,) such that the piston means (,) impacts the distal end wall (,) on an advancing stroke.

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Queensland, Australia

Peter Stephenson