Portable drive system for artificial heart
 A portable drive system for an artificial heart can be provided that includes a blood pump 1 having a blood seal for sealing a rotation shaft 13, a system drive section 45 including a purge solution circulator 20 for supplying by circulating purge solution to the blood seal 18, a pump controller 30 for driving the blood pump 1, a power supply means 33 for supplying electric power thereto, a display 40 for displaying operating states thereof, a communication interface 50 for transmitting information to the outside, and a controller means 100 for controlling these components, a portable transport section 60 for bearing the system drive section 45, and a connecting section 70 for connecting the blood pump 1 and the system drive section 45. The portable artificial-heart drive system has high safety and high reliability, is small-sized, lightweight and easy to use, and can expand the range of life. 
Sun Medical Technology Research Corporation Seiko Epson Corporation
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Kenji Toshio Keiichi Koji
Yamazaki Mori Kaneko Higuchi