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The Journal of Thoracic and Cardiovascular Surgery, Vol 72, 585-587, Copyright © 1976 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

A new method of producing pulsatile flow during cardiopulmonary bypass using a standard roller pump

R Ciardullo, HV Schaff, JT Flaherty and VL Gott

A new method for producing pulsatile flow during cardiopulmonary bypass is described. The method requires only the addition of a dilated segment in the tubing which passes beneath the arc of a standard roller pump. Preliminary studies demonstrate that pulsatile flow and pressure with physiologic contours can be produced by this "bubble tube" system. Furthermore, the new tubing causes less hemolysis than standard pump tubing.




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Copyright © 1976 by The American Association for Thoracic Surgery.