Introducer and perfusion cannula
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United States of America Patent
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Dec 30, 2003
Issued Date -
N/A
app pub date -
May 8, 2000
filing date -
Sep 26, 1997
priority date (Note) -
Expired
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Abstract
The present invention discloses a multi-access cannula for use in a variety of surgical procedures, particularly for use in the course of performing conventional open-chest and peripheral access cardiopulmonary bypass (CPB). The multi-access cannula is capable of being inserted through a single puncture site with a percutaneous tip. At the appropriate depth of insertion, a closure seal may be engaged at the point of entry to secure the positioning of the cannula and prevent leakage of blood from the incision. Once the cannula is at the appropriate position the cannula provides a multiplicity of procedural options for the surgeon. For example, when approaching through the ascending aorta, the multi-access cannula enables the simultaneous passage of various fluids and multiple catheters or instruments in opposing directions within the lumen of the aortic arch through a single insertion site.
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