Liquid light conducting device used in intervention

A liquid light conducting device used in intervention, comprising a catheter, wherein the inside of the catheter is a cavity, one end of the catheter is provided with a tail sheath, and the other end of the catheter is provided with a liquid-laser coupler which can inject a liquid medium and conduct laser;

• the tail sheath is provided with an outlet;
• an inner wall of the catheter is plated with a metal reflecting layer, the liquid medium can be transmitted in the catheter, and laser can be transmitted in the liquid which is coated by the metal reflecting layer and emitted via the tail sheath;
• the tail sheath is of a curved structure with a radian, and the tail sheath gradually becomes thinner from the end connected with the catheter to a free end;
• the side in which a concave surface of the curved tail sheath is located is provided with an outlet through which liquid medium can be released and laser can be emitted;
• and
• the side in which the curved tail sheath protrudes outwards is a smooth curved surface.