FIELD: medicine, particularly, vessel surgery. SUBSTANCE: method includes applying to vessel of large diameter of vessel dissector whose external surface of end part of jaws has granulated scale; determination of vessel diameter value by scale; dissection of vessel; application of dissector to vessel with small diameter at an angle so that fixed diameter of section corresponds to diameter of section of large vessel and follows it profile; dissection; alignment of dissected vessels; application of suture. EFFECT: simplified application of anastomosis between vessels different in diameter. 3 dwg, 1 ex
