Abstract: The device for establishing anastomoses comprises a hollow housing (1), telescopically interconnected an outer sleeve (2) and an inner sleeve (3), both of said sleeves communicating with the hollow housing (1) through respective openings (4, 5) in their bottoms, an elastic ring (6) situated on the portion of the outside surface of the inner sleeve (3) that extends from the outer sleeve 2, a first bushing (7) having two annular grooves (11, 12) for anastomosis formation and adapted for one organ (9) being anastomosed to be fixed on said bushing, a second bushing (8) having an annular groove (13) for securing there on the other organ (10) being anastomosed, and a probe (14) passing through the interior spaces of the bushings (7, 8), the sleeves (2, 3) and the housing (1) and having a shoulder (16) for the first bushing (7) to rest upon.

Abstract: A surgical suturing instrument for establishing circular compression anastomoses in the organs of the digestive tract comprises a rod (2) accommodated in a hollow body (1) coaxially therewith and having a stationary fixed connecting ring (13), a hollow cylindrical knife (3) made fast of a hollow tube (4) which is accommodated in the hollow body coaxially therewith the rod (2) passing inside the hollow tube, a needle arrangement (5) accommodated in the hollow body and having a first ring-shaped element (6) provided with a plurality of holes (8), and a second ring-shaped element (7) coaxial with the first one and carrying a plurality of needles (9) held thereto and adapted to pass through the connecting ring (13) in the course of anastomosing. The ring-shaped element (7) rests upon a pusher (19) having a hollow chamfer (20) and a stop (21) which is adapted to interact with a stop (22) of the hollow body (1).