Retention cardial sac puncture needle

The utility model discloses a retained type pericardium puncture needle, which belongs to the technical field of medical utensils for extracting hydropericardium. The utility model is composed of a sleeve puncture needle and a silicone pipe, wherein the outer diameter of the silicone pipe corresponds to the inner diameter of the sleeve puncture needle. The silicone pipe is arranged in the sleeve puncture needle. An air sac ring is arranged on the outer wall of the front end of the silicone pipe. An air inflating pipe of the air sac ring is bonded to the outer wall of the silicone pipe. The utility model uses the sleeve puncture needle to guide in order to cause the head part of the silicone pipe retained in a pericardium to extract liquid, so the cardiac muscle can not be punctured. The use is safe. After the disposable puncture is successful, the liquid can be extracted many times, and the patients' pain of puncturing many times can be reduced. The utility model is an ideal medical utensil for extracting hydropericardium, and is widely used for clinic.