Device for driving blood pumps
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 23, 2004
Grant Date -
Apr 10, 2003
app pub date -
Nov 13, 2001
filing date -
Nov 10, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blood pump driving device which is capable of making a blood pump 10 free from an unbalance between loads when sucking and discharging, respectively and which makes it possible to eliminate a sensor positioned close to a patient, is made up of an oil reservoir 30 including therein a gas chamber 33 and a liquid chamber 32, an oil pump 20 for pumping out a liquid stored in the liquid chamber 32 of the oil reservoir 30 to the blood pump 10, and a pressure accumulating chamber 34 storing therein a gas pressure of the gas chamber 33 of the oil reservoir 30 by being brought into fluid communication with the gas chamber 33 of the oil reservoir 30.
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