Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1987-06-05
1989-11-14
Howell, Kyle L.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820272, 128419, A61M 1600
Patent
active
048799998
ABSTRACT:
Disclosed is an endotracheal device provided with a colorimetric carbon dioxide indicator. The device functions to indicate the proper intratracheal placement of an endotracheal tube by detecting for the presence of carbon dioxide in expired air passing through the device.
REFERENCES:
patent: 2638096 (1953-05-01), Waldhaus
patent: 2904033 (1959-09-01), Shane
patent: 4346584 (1982-08-01), Boehringer
patent: 4366821 (1983-11-01), Wittmaier
patent: 4691701 (1982-09-01), Williams
patent: 4728499 (1988-03-01), Fehder
patent: 4790327 (1988-12-01), Despotis
Advertisement for End-Tidal CO.sub.S Detector.
"A pH-Sensitive Device Detects Inadvertent Esophageal Intubation", Anesthesiology News, September, 1988.
Butler Bruce D.
Katz Jeffrey
Leiman Basil C.
Salzarulo Henry H.
Board of Regents , The University of Texas System
Howell Kyle L.
Reichle K. M.
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