Special gas dose delivery apparatus for respiration equipment

Details Special gas dose delivery apparatus for respiration equipment Special gas dose delivery apparatus for respiration equipment

1997-04-22

1999-07-06

Weiss, John G.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820422, 12820511, A62B 700

Patent

active

059185961

ABSTRACT:
A special gas dose delivery unit for respiratory equipment has a special gas flow conduit connected to a special gas source. The unit includes a supply of carrier gas for the special gas, preferably obtained by withdrawing gas from the inspiration limb of the patient breathing circuit. A valve, controllable in accordance with desired special gas dose parameters and the breathing pattern of the patient, injects the special gas into the carrier gas for provision to the outlet conduit of the special gas dose delivery unit. The outlet conduit is connected to the patient limb of the breathing circuit for delivery to the patient.

REFERENCES:
patent: 5423313 (1995-06-01), Olsson et al.
patent: 5485827 (1996-01-01), Zapol et al.
Nitrogen dioxide (NO.sub.2) production for different doses of inhaled nitric oxide (NO) during mechanical ventilation with different tidal volumes using two prototypes for the administration of NO, R. Kuhlen et al., Critical Care, 1997, vol. 1. Suppl. 1, P49.

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