Controllable pneumothorax first-aid needle

摘要: The invention relates to a controllable pneumothorax first-aid needle and belongs the technical field of medical instruments. comprises puncture an exhaust pipe. is tube having hollow passage therein. One end provided with tip. airinlet communicating at where tip located. A tortuous unidirectional air flow arranged in other sealed connection one communication achieves unhurried constant speed, deliberately leaves small amount chest cavity pneumatosis prevent risk lungpuncture, forms high, medium, low rates or stop. body convenient reliable fix so as save manpower. reasonable structure, operate, suitable for various emergency environments inside outside hospital, especially classification rescue underfield/external conditions on-demand treatment.