Cardiac assist device
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United States of America Patent
Stats
-
Mar 21, 1989
Issued Date -
N/A
app pub date -
Dec 21, 1987
filing date -
Aug 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A muscle-powered pump to assist the natural heart is disclosed. The device comprises an oblate, spheroidal-shaped pumping chamber surrounded by innervated muscular tissue. The device may be coupled to the ventricle and descending aorta with valves and be stimulated in synchrony with the natural depolarization of the heart or the device may be inserted into the descending aorta and used as a counter pulsation device. In this application, the innervated muscle is stimulated after a brief delay from the natural cardiac depolarization.
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Family
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