Surgery – Truss – Pad
Patent
1990-10-26
1992-06-02
Hindenburg, Max
Surgery
Truss
Pad
A61B 505
Patent
active
051178273
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.
REFERENCES:
patent: 4474183 (1984-10-01), Yano et al.
patent: 4608996 (1986-09-01), Brown
patent: 4774956 (1988-10-01), Kruse et al.
patent: 4981470 (1991-01-01), Bonbeck
patent: 5002055 (1991-03-01), Merki et al.
Clark Charles S.
Helmstetter Paul M.
Stuebe Thomas D.
Hindenburg Max
Sandhill Scientific, Inc.
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