Overinflation indicator for tracheal tubes
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United States of America Patent
Stats
-
Nov 30, 1982
Grant Date -
N/A
app pub date -
Nov 20, 1980
filing date -
Nov 20, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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