Protective tube laser endoscopy

Details Protective tube laser endoscopy Protective tube laser endoscopy

1990-06-07

1994-05-03

Shay, David M.

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

604 96, 604101, 606 16, A61M 500

Patent

active

053083172

ABSTRACT:
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.

REFERENCES:
patent: 4418688 (1983-12-01), Loeb
patent: 4419095 (1983-12-01), Nebergall et al.
patent: 4445892 (1984-05-01), Hussein et al.
patent: 4475548 (1984-10-01), Muto

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