Pflügers Archiv

, Volume 357, Issue 1–2, pp 139–143 | Cite as

A device to trigger automatically electrical stimulation at different states of in- or expiration on the background of variable lung inflation in the rabbit

  • M. Fallert
  • G. Corinth
Short Communications And Technical Notes
  • 16 Downloads

Summary

A device is described which permits to obtain a signal at the beginning of in- or expiration respectively. This signal may be used to trigger an electrical stimulator. To permit studies at different states of lung inflation the tracheal cannula is connected to a spirometer circuit. To produce constant positive or negative air pressure this bellows-type spirometer is loaded with exchangeable metal weights. The tracheal pressure is recorded by means of a pressure transducer, the output of which is taken as signal. The device allows accurate compensation of the DC-component of the transducer output resulting from spirometer operation at a maintained positive or negative pressure.

Key words

Phase-Bound Electrical Stimulation Device Lung In- and Deflation Experimental Respiratory Physiology 

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References

  1. Fallert, M.: Atmungseffekte bei intermittierender elektrischer Reizung der Medulla oblongata zu verschiedenen Zeitpunkten des Atmungszyklus beim Kaninchen. Experientia (Basel)29, 1513–1515 (1973)Google Scholar
  2. Fallert, M.: Inspiratory inhibition and rebound activation caused by intermittent bulbar and afferent vagal stimulation in the rabbit. Pflügers Arch.348, 167–184 (1974)Google Scholar

Copyright information

© Springer-Verlag 1975

Authors and Affiliations

  • M. Fallert
    • 1
  • G. Corinth
    • 1
  1. 1.Physiologisches Institut der Universität MainzGermany

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