Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukihiko Nosé0
Kuniyoshi Watanabe0
Tadashi Motomura0
Toshiyuki Shinohara0
Date of Patent
March 30, 2010
0Patent Application Number
115270970
Date Filed
September 25, 2006
0Patent Primary Examiner
Patent abstract
The present invention provides an inflow cannula tip that is shaped to prevent suction with the ventricular wall and adapted to prevent platelet adhesion. In particular, the inlet portion of the cannula tip comprises two projections extending from the cylindrical body of the cannula tip with gaps between the projections. The projections may have beveled edges. The inlet portion of the cannula tip can accept blood flow from either the gaps in the side or from the bottom of the tip. Even if the edge of the cannula tip is close to or even touching ventricle wall, a suction condition will not result, as blood is allowed to flow through the gaps between the projections.
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