Methods and devices for bypassing an obstructed target vessel by placing the vessel in communication with a heart chamber containing blood
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United States of America Patent
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N/A
Issued Date -
Sep 5, 2002
app pub date -
Mar 2, 2001
filing date -
Mar 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and devices for forming an anastomosis during a bypass procedure utilize a graft vessel secured to a vessel coupling adapted to be fixed to a target vessel without using suture. The graft vessel is placed in fluid communication with a heart chamber containing blood. The vessel coupling may be collapsed for introduction into the target vessel and then expanded to fix the coupling thereto. The vessel coupling may be a stent with the graft vessel secured thereto to form a stent-graft assembly. The anastomosis is carried out to place the graft and target vessels in fluid communication while preserving native proximal flow through the target vessel, which may be a coronary artery. As a result, blood flowing from the aorta and past an obstruction in the coronary artery is not blocked by formation of the anastomosis; rather, such proximal blood flow is free to move past the vessel coupling and the anastomosis.
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