Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 15, 2015
0Patent Application Number
135792390
Date Filed
January 20, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
This centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a permanent magnet provided in one surface of the impeller, and a permanent magnet provided in an inner wall of the blood chamber, for attracting the permanent magnet. A centerline of the permanent magnet is arranged at a position different from that of a centerline of a sidewall of the blood chamber such that a rotation centerline of the impeller matches the centerline of the sidewall of the blood chamber during pump operation. Therefore, high torque transmission efficiency is obtained.
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