Charles Odell Clark
Engineers at Otis Ct, Littleton, CO
License number
Colorado 7864
Issued Date
Oct 7, 1967
Renew Date
Jan 20, 1989
Expiration Date
Jan 20, 1989
Type
Professional Engineer
Address
Address
7932 S Otis Ct, Littleton, CO 80123
Professional information
Apparatus And Method For Ambulatory Reflux Monitoring
US Patent:
5117827, Jun 2, 1992
Filed:
Oct 26, 1990
Appl. No.:
7/603984
Inventors:
Thomas D. Stuebe - Littleton CO
Paul M. Helmstetter - Littleton CO
Charles S. Clark - Littleton CO
Paul M. Helmstetter - Littleton CO
Charles S. Clark - Littleton CO
Assignee:
Sandhill Scientific, Inc. - Littleton CO
International Classification:
A61B 505
US Classification:
128635
Abstract:
A system and method for monitoring gastric acid reflux in a patient are described. A system constructed in accordance with the present invention comprises a combination probe including a flexible tube having a pH probe disposed distally and a pressure sensor disposed a known distance proximally, the pH probe for generating pH signals in response to a hydrogen ion concentration, and the pressure sensor for generating pressure signals in response to phasic pressure changes; a display for displaying the pressure signals to aid the positioning of the probe at the LES; and a memory for storing the pH signals. A method of the present invention comprises placing the combination pH/pressure probe in the patient's stomach then withdrawing the probe until the LES respiration phasic pressure is observed from the display. Next, the probe is withdraw a known distance. This positions the pH probe at a specified distance above the LES where reflux may be monitored.