Method of preventing the formation of a dangerous underpressure

Details Method of preventing the formation of a dangerous underpressure Method of preventing the formation of a dangerous underpressure

1995-11-15

1999-02-23

Weiss, John G.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820422, 600529, A61M 1600

Patent

active

058733612

ABSTRACT:
A method of preventing the formation of dangerous underpressure in a respiratory system,, which comprises a respirator (1) connected to the patient, and a sampling device (11) and a gas analyzer (3) connected thereto, in which method inspired and expired air is aspirated at a predetermined pressure for sampling through the sampling line (7). When an excess underpressure is formed in the gas analyzing unit, the aspiration of the pump (2) is prevented in the respiratory tube (15).

REFERENCES:
patent: 3741208 (1973-06-01), Jonsson et al.
patent: 4413632 (1983-11-01), Schlessinger et al.
patent: 4565194 (1986-01-01), Weerda et al.
patent: 5050615 (1991-09-01), Malkamaki
patent: 5111827 (1992-05-01), Rantala
patent: 5394881 (1995-03-01), Block, Jr.

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