Pulmonary nodule positioning needle releasing device

The pulmonary nodule positioning needle releasing device comprises a releasing assembly, and the releasing assembly comprises a puncture needle, an anchoring positioning needle, a connecting block, a positioning rope, a pushing pipe, a movable rod, a first magnetic block, a second magnetic attraction block, a rubber plug and a connecting plate; and an anchoring positioning needle is arranged in the puncture needle. The head of the puncture needle is punctured into the pulmonary nodule by holding the puncture needle with a hand under the guidance of CT, the push tube is pushed inwards, the anchor positioning needle is pushed out of the head of the puncture needle by the push tube to release the anchor positioning needle, the anchor positioning needle is anchored on the pulmonary nodule, and under the conditions that the push tube is held with the hand and the push tube is kept immobile, the puncture needle is inserted into the pulmonary nodule. The puncture needle is pulled outwards to the position, 0.5-1 cm a