A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/00 (2006.01) A61M 16/04 (2006.01)
Patent
CA 2362187
A device, and method are provided for assessing impairment of blood circulation in a patient, such as that in perfusion failure, wherein the patient requires mechanical ventilatory support. The invention involves measurement of PCO2 (partial pressure of carbon dioxide) within the lower respiratory tract of the patient, using a device that includes an endotracheal breathing tube (10) for introducing air from an air supply pump into a patient's lungs. A carbon dioxide sensor (38) is provided as an integral part of that device, i.e., it is physically connected to the endotracheal breathing tube in a manner that allows for PCO2 measurement along the sidewall of the patient's trachea.
L'invention concerne un dispositif et une méthode d'évaluation d'anomalies de la circulation sanguine chez un patient, telle que celles qui surviennent lors des échecs de perfusion, lorsque l'état du patient exige une assistance respiratoire mécanique. Cette invention consiste à mesurer la PCO2 (pression partielle d'anhydride carbonique) dans les voies respiratoires inférieures du patient, en utilisant un dispositif qui comprend un tube respiratoire endotrachéal (10) permettant l'introduction de l'air provenant d'une pompe d'alimentation d'air, dans les poumons d'un patient. Une sonde d'anhydride carbonique (38) est intégrée dans ce dispositif, c'est à dire qu'elle est physiquement connectée au tube respiratoire endotrachéal de façon à permettre la mesure de la PCO2 le long de la paroi de la trachée du patient.
Bisera Jose
Tang Wanchun
Weil Max Harry
Gowling Lafleur Henderson Llp
Institute Of Critical Care Medicine
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