Endotracheal tube with automatic cuff inflation and deflation

Details Endotracheal tube with automatic cuff inflation and deflation Endotracheal tube with automatic cuff inflation and deflation

1991-06-05

1994-06-07

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820714, A61M 1600

Patent

active

053180216

ABSTRACT:
An endotracheal tube adapted for ventilating a patient and provided with an inflatable cuff to force air into the patient's lungs includes at least one port that communicates with the inflatable cuff such that, when air is forced down the tube during ventilation, a portion of the air is forced into the inflatable cuff and inflates it, occluding the trachea. During exhalation, the cuff is allowed to partially deflate. The partial deflation during every breathing cycle improves the blood flow to the tracheal tissues and reduces tissue damage from prolonged intubation.

REFERENCES:
patent: 3481339 (1969-12-01), Puig
patent: 3504676 (1970-04-01), Lomholt
patent: 3565079 (1971-02-01), Jackson
patent: 3616799 (1971-11-01), Sparks
patent: 3707151 (1972-12-01), Jackson
patent: 3709227 (1973-01-01), Hayward
patent: 3734094 (1973-05-01), Calinog
patent: 3769983 (1973-11-01), Merav
patent: 4979505 (1990-12-01), Cox

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