Multi-lumen cannula
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United States of America Patent
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-
Jan 12, 1999
Grant Date -
N/A
app pub date -
Aug 14, 1997
filing date -
Aug 14, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The multi-lumen cannula according to the invention is preferably formed from two separate sub-cannulas, a portion of which are adhered to one another. Preferably, the adhered portions of the sub-cannulas are deformed such that the assembled multi-lumen cannula is substantially circular in cross section throughout the adhered portions of the sub-cannulas. In addition, the septum separating the multiple lumens of the cannula is preferably reinforced so that the multi-lumen cannula can accommodate dramatically different fluid pressure within the cannula without deformation of the septum. This cannula is ideally suited for use in a variety of left-heart and right-heart assist cardiac surgical procedures, especially minimally invasive procedures.
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