Non-blood contacting mechanical device that improves heart function after injury

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United States of America Patent

PATENT NO 11752321
APP PUB NO 20210093763A1
SERIAL NO

17070243

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method and device are provided for non-blood contact mechanically assisting an injured (e.g., infarcted) ventricle by coupling an inflatable bladder or other volume adjustable device to the injured ventricle and selectively inflating the bladder or increasing the size of the volume in systole to apply force against the injured ventricle and deflating the bladder or reducing the size of the volume in diastole to remove force against the injured ventricle. When no mechanical assistance is being provided to the injured ventricle, the inflatable bladder or volume adjustable device is preferably maintained at a predetermined pressure so as to selectively stiffen the injured tissue and alter ventricular geometry a desired amount. The method is implemented by a mechanical assist device including the volume adjustable device, a coupling means that couples the volume adjustable device to the injured ventricle, a pulsatile device that selectively increases and decreases the volume of the volume adjustable device, and a controller responsive to the pace of the heart and adapted to selectively change the size of the volume adjusting device in different modes of operation.

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Patent Owner(s)

  • THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gorman, Robert C Lower Gwynedd, US 42 2298
Gorman,, III Joseph H Lower Gwynedd, US 35 1246
Pilla, James J Kennett Square, US 7 47

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