Magnetic small blood vessel anastomat

The utility model aims at providing a magnetic small blood vessel anastomat. The magnetic small blood vessel anastomat mainly comprises two cylindrical units, namely a first magnetic device and a second magnetic device arranged in parallel; fixed rails are arranged on the front and rear sides of the first magnetic device and the second magnetic device and used for fixing and convenient for operations; the dimension of the first magnetic device is greater than that of the second magnetic device; blood vessel holes are formed in the centers of the first magnetic device and the second magnetic device; a closing ring of which the inner side diameter is equal to the diameter of the second magnetic device is arranged at the inner side edge of the section of the first magnetic device. Two magnetic devices are adopted for realizing anastomosis in such a manner that a large ring sleeves a small ring and the anastomosis degree is high; the detachable fixed rails are adopted, and the two magnetic devices are capable of