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:
May. 02, 1995
Filed:
Jul. 01, 1993
Applicant:
Inventors:
Michael McCue, La Jolla, CA (US);
Sam Z Malhas, La Jolla, CA (US);
Don J Cretzler, San Diego, CA (US);
Richard A Roshon, Olivenhaim, CA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128632 ; 128635 ; 128642 ; 128780 ;
Abstract
A continuous pH monitoring system and method of using it, includes a catheter assembly having a flexible compressible multipassagewayed tube, an anchor assembly connected to the tube to secure it within the nasal cavity, an indicator assembly having a sensor device within the tube to monitor the pH in the stomach, a vent within the tube to equalize pressure inside the stomach with the ambient pressure, and an aspirating assembly attached to the tube for removing stomach fluid.