Surgery – Diagnostic testing – Liquid collection
Patent
1997-09-12
1999-04-06
Hindenburg, Max
Surgery
Diagnostic testing
Liquid collection
422 56, A61B 500
Patent
active
058910549
ABSTRACT:
A method for determining the position of an in vivo feeding tube. The method includes the step of sampling a bodily fluid from the distal end of an in vivo medical device. A concentration of one or more substances selected from a group consisting of bilirubin, pepsin, and trypsin contained within the bodily fluid is then identified. The position of the medical device is then determined using the concentration of the one or more substances in the sampled bodily fluid.
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Metheny, Clouse, Clark, Reed, Wehrle, Wiersma, "pH Testing of Feeding-Tube Aspirates to Determine Placement", NCP, vol. 9, No. 5, Oct. 1994, pp. 185-190.
Metheny Norma
Smith Lisa Reed
Stewart Barbara
Hindenburg Max
Saint Louis University
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