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Static and dynamic characteristics of fluid-filled esophageal manometry systems
Linköpings universitet, Institutionen för medicinsk teknik, Fysiologisk mätteknik. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för medicinsk teknik. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för nervsystem och rörelseorgan, Oto-Rhino-Laryngologi. Linköpings universitet, Hälsouniversitetet.
1977 (engelsk)Inngår i: American Journal of Physiology, ISSN 0002-9513, Vol. 233, nr 5, s. E389-E396Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Esophageal manometric systems with water-filled catheters have been characterized by the use of model experiments. The examined parameters have been: catheter dimension, catheter compliance, catheter resistance, pump type, pump compliance, and perfusion flow. Accurate static pressure measurements have been obtained for perfused systems independently of the investigated parameters. The dynamic characteristics vary with catheter diameter and perfusion flow. For catheters with low diameter, a narrow bandwidth is obtained for the investigated perfusion flows. The results have been expressed in terms of an electric model of the measurement system. Perfusion pumps with low compliance are recommended to improve the dynamic properties of the measurement system.

sted, utgiver, år, opplag, sider
1977. Vol. 233, nr 5, s. E389-E396
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URN: urn:nbn:se:liu:diva-56416OAI: oai:DiVA.org:liu-56416DiVA, id: diva2:318864
Tilgjengelig fra: 2010-05-11 Laget: 2010-05-11 Sist oppdatert: 2010-05-17

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