Patent ID: 9457006
Filing Date: 2016-10-04
CPC Classification: A61B,A61K,G01N,Y10T

Claim Text:
1. A method of determining the amount and concentration of gastric fluid in the respiratory fluid of a subject, comprising: (a) orally administering to a subject a diagnostic formulation comprising: (b) allowing the diagnostic formulation to remain in the subject over a period of time during which the subject would be expected to aspirate the formulation from the gastrointestinal tract into the respiratory tract; (c) obtaining a sample of a respiratory fluid from the subject; (d) analyzing the respiratory fluid to determine the level of the diagnostic agent and/or the detectable label in the respiratory fluid; (e) obtaining a sample of a body fluid selected from urine, blood or a blood product; and (f) analyzing the body fluid to determine if the fluid contains a level of the diagnostic agent and/or the detectable label indicative of the amount of aspiration of gastrointestinal contents into the respiratory tract.