Blood-vessel ligaturing ring for internal cavity operation

Disclosed is a blood vessel fastening knot ring used for the inner cavity operation, which utilizes the operation used wire material to make the section thereof pre-form the knot ring that can fasten with the plural rings type by the circling mode, the ring body of the plural rings type knot ring is fixed by the gluing method, while the size of the ring of the knot ring can support the operation used lead wire tool to thread through. One end of the wire material is provided with a fixed and support part guided by the lead wire tool, and the other end thereof extends an extending section from the knot ring, which circles the blood vessel by means of the assistant tool and threads through the knot ring to pull and draw the two ends of the knot ring, and the gluing state of the knot ring is damaged, the active ring is gradually fastened so as to fasten the blood vessel. After adopting the above structure, the knot ring making will be simple with low cost, and the using will be easier.