Patent ID: 8105297

Claim:
A drainage, comprising a main tube with a working end and side and butt openings and an external surface, an additional tube of a smaller diameter with an opening, fixed rigidly along the main tube, a conductor, installed inside the additional tube, a clots splitter unit, placed on the working end of the main tube, said unit comprising a housing, a short tube on an external surface of the housing with an opening on the short tube, corresponding to the opening of the additional tube and a spring with a cutter, installed inside the housing, a working head with a rod connected with the housing of the clots splitter unit, wherein a wall of the main tube and a wall of the clots splitter unit comprising a channel, inside said channel located a splitter fixing unit, said splitter fixing unit comprising a working end and opposite end, said working end being inside the clots splitter unit and fixes the cutter, while the opposite end of the splitter fixing unit is led through the channel and equipped with a ring.