Mouse caudal vein cutting blood sampling device

The utility model discloses a mouse caudal vein cutting blood sampling device. The device comprises a trumpet-shaped fixing device with a large end opening and a small end opening, a through notch isformed in the side surface of the fixing device; a tail fixing groove is fixed at one end of the small opening; a tail cutting device is sleeved on the tail fixing groove in a sliding connection mode,the tail cutting device comprises a base which is connected below the tail fixing groove and can slide along the tail fixing groove, a knife rest is hinged at one end of the base, a blade is embeddedin the knife rest, and the lower edge of a knife edge of the blade is 0.5 mm away from the lower edge of the knife rest. The blood sampling device is convenient and safe in blood sampling, and is easy to operate even by a green hand. 一种小鼠割尾静脉采血装置，包括一端开口大一端开口小的喇叭状固定装置，在该固定装置的侧面上设有贯通的槽口，在小的开口一端固定有尾部固定凹槽，在该尾部固定凹槽上以滑动连接方式套装有割尾装置，所述割尾装置包括连接在尾部固定凹槽下方且能沿尾部固定凹槽滑动的底座，底座的一端铰接有刀架，在刀架内嵌装有刀片，刀片的刀口下沿距离刀架下沿0.5mm。本实用新型采血方便、安全，即便是新手也容易操作。