Ultrasonic atomizer for respiration systems

Details Ultrasonic atomizer for respiration systems Ultrasonic atomizer for respiration systems

1997-11-19

1999-07-06

Weiss, John G.

Surgery

Liquid medicament atomizer or sprayer

Ultrasonic

12820312, 12820418, A61M 1100

Patent

active

059185937

ABSTRACT:
An ultrasonic atomizer for respiration systems, which is integrated in the breathing gas line from and to the patient via two connections. The ultrasonic atomizer is in a gas flow connection with the atomizer chamber to which an aerosol is admitted by a piezo vibrating element for the inhalation via a nonreturn valve. The arrangement bridges over the atomizer chamber for the exhalation via a second nonreturn valve by means of a second, spatially separated gas flow path.

REFERENCES:
patent: 4976259 (1990-12-01), Higson et al.
patent: 5063922 (1991-11-01), Hakkinen
patent: 5152457 (1992-10-01), Burwell
patent: 5443059 (1995-08-01), Koch et al.

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