Intracuff and "leak-past" pressures of red rubber, latex and p.v.c. tracheal tubes. A laboratory and clinical study.


Measurements were made in the laboratory of the changes with time of the intracuff pressure, the leak-past pressure (the airway pressure at which gas begins to leak past the cuff) and the cuff volume for 9.5-mm tracheal tubes: red rubber, latex (both Leyland Medical) and p.v.c. (Portex Blue Line). The cuffs were inflated with air and exposed to air or air… (More)


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