Circular anastomosis

Claim 1

Device for circular anastomosis of hollow organs, which comprises three coupling elements capable of being engaged one inside the other, the first element being placed in a first hollow organ and constituting an outer element of hollow cylindrical shape and having an upper face through which is formed an axial port, said face being provided with an annular grave spaced from said axial port, the inside surface of said first element being provided with an inwardly directed mating surface close to its lower end; the second element being placed in a second hollow organ and constituting an intermediate element of hollow cylindrical shape and provided with multiple, longitudinal slots extending through upper walls thereof and therebelow with a rim forming an abutment, the inside of said second element being provided near the lower end thereof with an annular slot and the wall thickness thereof being reduced in a region above said abutment said first and second hollow organs having their respective free ends being positioned between said inside surface of said first element and said upper walls of said second element when said second member is engaged inside of said first element; the third element also being placed in said second hollow organ and constituting a hollow inner element having a cylindrical portion and a conical portion therebelow forming an abutment for engaging the inside of said intermediate element, thereby expanding said upper walls of said second element towards said inside surface of said first element in order to compress said free ends of said first and second hollow organs together.