Anastomosis device and method

Details Anastomosis device and method Anastomosis device and method

1986-01-10

1987-09-15

Makay, Albert J.

Surgery

Truss

Pad

128343, A61B 1704

Patent

active

046932496

ABSTRACT:
Ring-shaped anastomosis devices have outwardly extending protrusions for impaling a pair of living vessel ends thereon without the need for sutures. A first vessel end is inserted through a central opening of a device, everted around the end of the device and impaled on the protrusions; then a second vessel end is drawn over the everted first vessel end and similarly impaled on the protrusions. To facilitate impaling the vessel ends on the protrusions and to minimize tearing of the vessel walls during the impaling process, the devices are incomplete rings, each having a first ring end and a second ring end. A device has a contracted configuration in which it is maintained during the impalation process to hold the protrusions relatively close to each other and an expanded configuration in which it is maintained subsequent to joining the vessel ends thereto to hold the vessels in a slightly stretched condition and with their intima apposed.

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D. A. Donetskii, "A New Method For A Circular Vascular Suture", (Dec. 1956, Fksperim Khirur. 1.), pp. 53-59.
Nakayama, et al., Surgery, Dec. 1962, pp. 918-931.

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