The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1998
Filed:
Dec. 21, 1995
Anders Essen-Moller, Stockholm, SE;
Synectics Medical AB, , SE;
Abstract
A method of determining the existence and location of an obstruction in a respiratory track includes introducing a first catheter having a first sensing site into the body of a patient until the first sensing site is positioned so that it is distal to the obstruction. The first catheter is used to monitor respiratory effort with generated signals indicative of respiratory effort. A second catheter having a second sensing site is positioned so that the second sensing site is near the nostrils. The second catheter is used to monitor actual respiration with generated signals indicative of actual respiration. The existence of the obstruction is verified by observing respiratory effort signals without corresponding actual respiration signals.