| 摘要 |
A total aortic arch reconstruction graft, including a) a first, hollow cylindrical segment in the shape of an aortic arch and adapted to be joined to a patient's ascending aorta, and including three side hollow cylindrical branches in communication therewith and adapted to be joined to a patient's left subclavian artery, left common carotid artery and innominate artery, respectively, and a fourth hollow cylindrical branch adapted to be joined to a heart-lung machine; b) a second, hollow cylindrical segment having a first end being joined to the second end of the first segment, and a second end adapted to be inserted into the descending aorta of a patient, the second segment having an expandable outer wall covered with an expandable open-mesh stent having means for attaching the second segment to an internal surface of a patient's descending aorta, c) a collar having a diameter slightly larger than the diameter of said first segment, the collar located at a juncture where the first end of the second segment is joined to the second end of the first segment, with the collar having means for attachment to the open end of a patient's descending aorta. A surgical procedure for total replacement of the aortic arch of a patient is also disclosed. |
