| 摘要 |
A site is prepared along a wall of a receiving blood vessel for connecting a prospective blood vessel thereto without interrupting the flow of blood through the receiving blood vessel. A device for the preparation comprises a n elongated member and a sealing means. The device has a head portion to which the elongated member is connected, and a cutting means provided at a distal part of the head portion for making an initial opening in the receiving bloo d vessel. The sealing means is provided on the head portion proximally of the cutting means.
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