FIELD: medical engineering. SUBSTANCE: device has tubular rim from biologically inert material which wall is laminated as foil rolled-up into a cylindrical roll. The foil is manufactured from titanium nickelide possessing shape memory and superelasticity properties. Initial tube diameter and blood vessel lumen diameter relation corresponds to its tight flexible fitting to enable internal sealing of connection area with no urothelium ischemia manifesting. EFFECT: high quality of anastomosis zone sealing resulting in operation consistency. 2 dwg
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