Pflügers Archiv

, Volume 347, Issue 3, pp 255–260 | Cite as

An improved apparatus for blood flow measurement utilising the principle of “internal calorimetry”

  • E. E. Ohnhaus
  • E. Hunziker
Short Communications and Technical Notes


As a result of experience with long term liver blood flow measurements, an improved apparatus for measuring blood flow was designed utilising Grayson's heat exchange principle. This apparatus allows a more exact measurement of the thermal conductivity even in the conscious animal and of the metabolic heat production. The basis principles for measuring thermal conductivity and metabolic heat production are described. The electronic design and the experimental results obtained are shown.

Key words

Blood Flow Heat Exchange Principle Internal Calorimetry 


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Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • E. E. Ohnhaus
    • 2
    • 1
  • E. Hunziker
    • 2
  1. 1.Abt. für Experimentelle TherapieSandoz Ltd.BaselSwitzerland
  2. 2.Inselspital Medizinische UniversitätsklinikBernSchweiz

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