Overinflation indicator for tracheal tubes

Details Overinflation indicator for tracheal tubes Overinflation indicator for tracheal tubes

1980-11-20

1982-11-30

Recla, Henry J.

Signals and indicators

Indicators

Fluid flow

116270, 116DIG7, 116DIG8, 116DIG21, 12820715, 604100, G01P 300, A61M 2500

Patent

active

043611079

ABSTRACT:
A pressure indicating device for use with medical cannulae having balloon type sealing cuffs such as tracheal tubes. The device would be added to a normal pilot balloon to indicate having exceeded a preset pressure by having a long tubular structure that could be folded inside itself telescopically at low pressure and would pop-out at the preset pressure. When elongated or popped-out, a visual indicator would be exposed until the overpressure was corrected and the tube again tucked into itself.

REFERENCES:
patent: 2977973 (1961-04-01), Chakine
patent: 3731691 (1973-05-01), Chen
patent: 4136560 (1979-01-01), Gellos

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