The invention relates to a
water cooling structure of
laser surgical instruments. The
water cooling structure comprises a circulatory seat, an outer
pipe, an inner
pipe, a circulatory pump, an outer circulatory interlayer is arranged between the inner wall of the outer
pipe and the outer wall of the inner pipe, a light-guide
optical fiber is inserted in the inner pipe, an inner circulatory interlayer is arranged between the outer wall of the light-guide
optical fiber and the inner wall of the inner pipe, a liquid return cavity and a liquid outlet cavity are arranged in the circulatory seat; the outer pipe is communicated with the liquid outlet cavity; the liquid return cavity is communicated with the inner pipe; the circulatory seat is provided with a liquid return interface; the circulatory seat is provided with a liquid outlet interface; the outlet and the inlet of the circulatory pump are respectively communicated with the liquid outlet interface and the liquid return interface; a lens is arranged at the front end of the outer pipe; the head of the inner tube is positioned in the outer tube. In the
water cooling structure of
laser surgical instruments, the inner circulatory interlayer and the outer circulatory interlayer are formed by the outer pipe and the inner pipe sleeved outside the light-guide
optical fiber, the cooling liquid is controlled through the circulatory pumpto circulate between the inner circulatory interlayer and the outer circulatory interlayer, the heat generated on the light-guide optical
fiber and the lens is taken away, the light-guide optical
fiber and the lens are prevented from being overheated, the structure is simple, the volume is small, and the light-guide optical
fiber can move forwards and backwards to adjust the
irradiation intensityof the lens.