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:
Nov. 21, 2000
Filed:
Jun. 10, 1999
Applicant:
Inventor:
Frederick A Parker, Gwynedd Valley, PA (US);
Assignee:
Ventrex, Inc., Horsham, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
600532 ; 604100 ; 12820024 ; 12820026 ; 12820222 ; 12820714 ;
Abstract
Method and apparatus for indicating proper placement of an endotracheal tube in the trachea of a patient which comprises measuring the oxygen concentration of inspired and expired air and, utilizing this information, performs the calculation necessary to determine whether the tube has been properly placed.