This creation is to provide a blood-sucking cotton tank, which is mainly composed of a tank body, an adjusting rod, a bearing, a compression spring, a gasket, a knob and a number of blood-sucking cotton blocks. A number of guiding ribs are provided, the bottom of the tank is set as an opening, the periphery of the opening of the tank is provided with a retracted clamping portion, a number of grooves are provided on the bottom wall of the tank, and the top of the tank The surface is provided with a perforation, the bearing, the compression spring and the gasket are provided on the adjustment rod, the upper end of the adjustment rod penetrates through the perforation of the tank body, and the upper end of the adjustment rod is set as an external thread segment , The shaft body of the adjusting rod is provided with spiral teeth, the rotating system in the bearing is screwed on the spiral teeth, the knob is screwed on the outer thread section of the adjusting rod, and the blood-sucking cotton block is located on In the chamber of the tank body, a positioning piece is provided on the blood-sucking cotton block, and the periphery of the positioning piece is provided with a number of guide grooves. The guide grooves cooperate with the guide protrusions of the tank body, so that it is a convenient suction The structure of blood-sucking cotton tank used for wound blood.本創作係在提供一種吸血棉罐，主要係由一罐體、一調整桿、一軸承、一壓縮彈簧、一墊片、一旋鈕及數吸血棉塊所組成，該罐體之容室內壁面上設有數導引凸條，該罐體之底部設為開口，該罐體之開口周緣係設呈內縮狀之夾持部，該罐體之底部壁面上設有數切槽，該罐體之頂面設有一穿孔，該軸承及該壓縮彈簧與該墊片係設於該調整桿上，該調整桿其上端部係穿伸於該罐體之穿孔，該調整桿之上端部設為外螺紋段，該調整桿之桿體上設有螺旋齒，該軸承內之轉體係螺設於該螺旋齒上，該旋鈕係螺設於該調整桿之外螺紋段上，該數吸血棉塊係設於該罐體之容室內，該吸血棉塊上設有一定位片，該定位片之周緣設有數導槽，該導槽係與該罐體之導引凸條配合，如此，即為一可方便吸取傷口血液使用之吸血棉罐結構。
