Use of endoscopic ultrasound and stimulated bilary drainage in t

Details Use of endoscopic ultrasound and stimulated bilary drainage in t Use of endoscopic ultrasound and stimulated bilary drainage in t

1995-03-23

1996-03-05

Manuel, George

Surgery

Truss

Pad

A61B 800

Patent

active

054958512

ABSTRACT:
The combined endoscopic ultrasound and stimulated biliary drainage method involves the following steps: inserting an endoscopic ultrasound device within the antrum of a stomach; positioning the endoscopic ultrasound device within the stomach such that the endoscopic ultrasound device is allowed to have a substantially unobstructed view of the gallbladder; activating the endoscopic ultrasound device such that it is capable of detecting whether the gallbladder exhibits any of the following: gallbladder sludge or small gallstones, focal wall thickening, or adhesions about the gallbladder and/or cystic duct; delivering a cholecystokinin analogue intravenously to the human to enable the gallbladder to contract and to produce an ejection fraction of bile from the gallbladder during each contraction thereof; determining the degree of contraction of the gallbladder by means of measuring each the ejection fraction of the gallbladder; and removing the ejection fractions from the patient and analyzing the ejection fractions to detect the presence or absence of calcium bilirubinate and/or cholesterol granules or crystals therein; whereby cholecystitis or microlithiasis of a gallbladder can be diagnosed with an accuracy or sensitivity of between about 90% to 98%.

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T. Rosch and M. Classen, Gastroenterologic Endosonography, pp. 1-12, Thieme Medical Publishers, Inc., 1992.

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