Central vein flow guide device capable of avoiding light

The utility model provides a central vein diversion device capable of avoiding light. The central vein diversion device comprises a main catheter, an exposed catheter and a catheter fixing seat, at least two groups of exposed conduits are arranged, and one end of each exposed conduit is communicated with the same end of the main conduit; a shading structure is arranged on at least one group of exposed guide pipes; the catheter fixing base is provided with a fixing part and a plurality of clamping grooves, and the clamping grooves are used for clamping exposed catheters. According to the central vein diversion device capable of avoiding light, a plurality of exposed catheters are designed on the basis of a conventional main catheter, and at least one exposed catheter is provided with a shading structure, so that the whole central vein diversion device can meet the infusion requirements of special medicines. The catheter fixing seat is designed, the fixing part on the catheter fixing seat is convenient for medi