Intratracheal tube

Details Intratracheal tube Intratracheal tube

1975-01-13

1976-12-07

Pace, Channing L.

Surgery

Truss

Pad

A61M 1600, A61M 2502

Patent

active

039956431

ABSTRACT:
A device for intubation of the tracheal passage comprising a tube through which gas can be administered and an occlusion means to seal the annular space around the tube when it is positioned in a tracheal passage. The occlusion means is formed as a canopy of flexible material having a top part traversed by said tube in an air-tight junction with an inflatable annular chamber extending around the wall of the canopy. Inflation of this chamber distends the canopy against the tracheal wall and simultaneously creates a second annular chamber between the inner surface of the canopy and the outer surface of the tube. The bottom of the canopy is open during positive pressure ventilation, for allowing an upward flow of gas via the annular space into said second chamber to inflate and distend the canopy against the tracheal wall independently of inflation of said first annular chamber.

REFERENCES:
patent: 3173418 (1965-03-01), Baran
patent: 3616799 (1971-11-01), Sparks
patent: 3709227 (1973-01-01), Hayward
patent: 3769983 (1973-11-01), Merav

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