The invention discloses a medical drainage device matched with a portable
urinary catheterization bag, and belongs to the technical field of
medical equipment. The medical drainage device comprises a
liquid storage bag body, a
urine introducing device, a drainage mechanism, a bag hanging device and a liquid discharging valve of a
liquid storage bag, wherein the lower part of the
liquid storage bag body is provided with a liquid discharging valve connecting
pipe; the
urine introducing device is communicated the cavity of the liquid storage bag body; the drainage mechanism is connected with the
urine introducing device in a matched way; the bag hanging device is combined with the upper part of the liquid storage bag body; the liquid discharging valve of the liquid storage bag is connected with the liquid discharging valve connecting
pipe in a matched way. The medical drainage device is characterized by further comprising a
catheter, which comprises a
catheter body, an air bag, an inflation
pipe and an inflation valve, wherein one end of the
catheter body forms the guide head part of the catheter, and the other end is provided with a urine collecting duct connection sleeve; the
cavity wall of the catheter body is internally provided with an air bag inflation hole, and the
tail end of the inflation pipe is provided with an inflation valve adapter; the bag hanging device comprises a sling plate, a hanging strap and a hanging
rope; the liquid discharging valve connecting pipe is fixed to the lower part of the liquid storage bag body; the liquid discharging valve of the liquid storage bag comprises a valve base, a valve body and a
wrench. The medical drainage device can satisfy packaging requirements and hanging requirements according to needs, and is convenient to operate and good in sealing effect; the phenomenon that the catheter slides out of the bladder does not occur.