US PATENT SUBCLASS 600 / 350
.~.~.~.~ Esophageal or gastrointestinal fluids

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
309  DF  .~ Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test {8}
345  DF  .~.~ Electroanalysis {3}
348  DF  .~.~.~ Determining ion concentration/partial pressure {7}
350.~.~.~.~ Esophageal or gastrointestinal fluids

DEFINITION

Classification: 600/350

Esophageal or gastrointestinal fluids:

(under subclass 348) Subject matter wherein the ion concentration of various fluids of the digestive tract or the proximal portion of the gastroesophaged function are measured.