Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1989-08-10
1991-08-27
Lewis, Aaron J.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820715, A61M 1600
Patent
active
050424769
ABSTRACT:
A sheathing arrangement to protect an endotracheal tube from being ignited and/or punctured by a laser during surgical procedures where the endotracheal tube includes an inlet to receive anesthesia/oxygen mixture to be supplied to a patient undergoing the surgical procedure and an outlet which extends into the airway of the patient where an expandable seal is provided on the endotracheal tube to seal off the breathing passageway during the procedure and where a second flexible tubular sheath is provided to extend, be sealed around the endotracheal tube adjacent the outlet and extend upwardly substantially the length of endotracheal tube to define an annular area between the tubular sheath and the endotracheal tube where a nonflammable fluid is supplied to the annular area.
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