Linear motion, muscle-actuated cardiac assist device
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United States of America Patent
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Jun 7, 1994
Grant Date -
N/A
app pub date -
Sep 24, 1992
filing date -
Sep 24, 1992
priority date (Note) -
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Abstract
A linear motion, muscle-actuated cardiac assist device novelly uses a powering muscle whose contractions and relaxations are made in a substantially linear fashion, as opposed to the curvilinear muscle motions associated with prior art muscle-actuated cardiac assist devices. As a result, collateral circulation of the powering muscle need not be cut, theoretically leading to prevention of ischemia in the powering muscle. Other benefits include: greater energy efficiency of the powering muscle; greater available choice of powering muscles (i.e., not limited to the latissimus dorsi as the powering muscle); and reduced profile height of the cardiac assist device to reduce protrusion from the implanted area of the body.
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