Blood Pumps

Findings from National Cardiovascular Center provide new insights into blood pumps

Published in Medical Devices and Surgical Technology Week, July 18th, 2010

Investigators publish new data in the report 'Observation of cavitation pits on mechanical heart valve surfaces in an artificial heart used in in vitro testing.' According to recent research from Suita, Japan, "Our group has developed an electrohydraulic total artificial heart (EHTAH) with two diaphragm-type blood pumps. Cavitation in a mechanical heart valve (MHV) causes valve surface damage."

"The objective of this study was to investigate the possibility of estimating the MHV cavitation intensity using the slope of the driving pressure just before valve closure in this artificial heart. Twenty-five and twenty-three-millimeter Medtronic Hall valves were mounted at the...

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Source: Medical Devices and Surgical Technology Week (2010-07-18)

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