Arrangement to verifiably position a catheter serving as an endotracheal tube in the air tubes of a patient comprises a unit to determine the carbon dioxide content in a gas sample

摘要

An arrangement to verifiably position a catheter (10) serving as an endotracheal tube in the air tubes of a patient comprises a unit (36) to determine the carbon dioxide content of a gas sample, a means (30) of sucking the gas sample from the patient's body through the catheter and means (28,30,34) to convey the gas sample to the unit.