Trachostoma valve and tissue connector and housing for use as a

Details Trachostoma valve and tissue connector and housing for use as a Trachostoma valve and tissue connector and housing for use as a

1996-06-28

1998-06-16

Millin, V.

Surgery

Respiratory method or device

Means for keeping viewing member clear

12820712, 128911, 128912, 12820026, A61M 2500

Patent

active

057655600

ABSTRACT:
A tracheostoma valve includes a shut-off valve member (1) capable of shutting off the valve in response to an egressive air thrust. The valve includes a blow-off valve member (2) of a design such that the valve can open in response to an overpressure in the trachea which exceeds a given value. This blow-off valve member limits the maximum achievable overpressure behind the valve. Coughing is possible without prior operation of the valve and leakage due to excessive overpressure in the trachea is prevented. The valve may contain a tissue connector and a housing to be connected thereto.

REFERENCES:
patent: 3137299 (1964-06-01), Tabor
patent: 3844290 (1974-10-01), Birch et al.
patent: 3952335 (1976-04-01), Soree et al.
patent: 4325366 (1982-04-01), Tabor
patent: 4538607 (1985-09-01), Saul
patent: 4582058 (1986-04-01), Debel et al.
patent: 4596248 (1986-06-01), Lieberman
patent: 4614516 (1986-09-01), Bloom et al.

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