Surgery – Respiratory method or device – Means for indicating improper condition of apparatus
Patent
1982-07-16
1984-10-02
Recla, Henry J.
Surgery
Respiratory method or device
Means for indicating improper condition of apparatus
340611, 340626, 307118, 307144, 137557, 116 70, A61M 1600
Patent
active
044741758
ABSTRACT:
A control device in an anesthetic administering system which senses the dangerous condition of nitrous oxide flowing to the patient's breathing mask in the absence of oxygen flow to the mask and provides a warning signal so the condition is known and, thus, is correctable.
REFERENCES:
patent: 1675849 (1928-07-01), Fultz
patent: 4191952 (1980-03-01), Schreiber et al.
patent: 4216469 (1980-08-01), Hirmann et al.
patent: 4237813 (1980-12-01), Howison
Mechanical Service Company Inc.
Olsson Frederick J.
Recla Henry J.
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