System for study of global uni-or bi-ventricular function of an explanted, reperfused heart
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United States of America Patent
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Jun 24, 2003
Grant Date -
Apr 17, 2003
app pub date -
Oct 11, 2001
filing date -
Oct 11, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for studying a beating explanted heart comprises a fluid inflow circuit configured for coupling to an explanted heart to direct fluid for flowing into a ventricle of the heart, and a fluid outflow circuit configured for coupling to an explanted heart to direct fluid flowing out of the ventricle of the beating heart. A flow meter coupled with the inflow circuit measures the inflow rate of fluid into the heart ventricle and a flow meter coupled with the outflow circuit measures the outflow rate of fluid out of the heart ventricle. A processing system converts the inflow and outflow rates into incremental volume changes in the volume of the heart ventricle and adds and subtracts the incremental volume changes from a relative volume of the heart ventricle to study volume changes in the explanted heart while it is beating.
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