Arch Development Corporation

Mark K Ferguson

Lev A Melinyshyn

David E Schucart

A protective tube for a laser endoscope that prevents the passage of laser smoke towards the oral cavity of a patient, removes debris from the endoscope and which is adapted to be inserted through the oral cavity and into an esophagus of a patient receiving medical treatment, the protective tube comprising a curved resilient member having a proximal end and a distal end, the proximal end including a mouthpiece and the distal end including a first sealing means and a second sealing means, the first sealing means forming a first seal between an outer surface of the tube and an inner surface of the esophagus and the second sealing means forming a second seal between an inner surface of the tube and an outer surface of the laser endoscope.

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Hinsdale, IL, United States of America

Mark K Ferguson