Touch down of blood pump impellers
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United States of America Patent
Stats
-
Jul 13, 2004
Grant Date -
Jan 30, 2003
app pub date -
Mar 14, 2002
filing date -
Mar 14, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blood pump having rotor and/or stator touch down zones to prevent pump failure or hemolysis which can occur if the rotor comes into contact with the stator due to power failure or mechanical shock. The touch down zones can include forming, or coating, portions of adjacent surfaces of the stator and rotor which can come into contact if a rotor touch down occurs. The materials used to form or coat the touch down zones can have properties which ensure that no consequential damage to the contacting surfaces occurs.
First Claim
Family
International Classification(s)
Cited Art Landscape
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