Polymer encapsulation for medical device
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United States of America Patent
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Issued Date -
Aug 21, 2008
app pub date -
Oct 31, 2007
filing date -
Nov 17, 2006
priority date (Note) -
Abandoned
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Abstract
A rotary blood pump comprising an impeller suspended hydrodynamically within pump housing by thrust forces generated by said impeller during movement in use of said impeller as it rotates about an impeller axis, and the driving torque of said impeller is derived from the magnetic interaction between permanent magnets within the blades of said impeller and windings within said housing, and wherein said windings are encapsulated by a first fluid resistant polymer material, and said housing is at least partially made of a second polymer material that encapsulates said first polymer material.
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