Thoracic tumor biopsy puncture guide device

The utility model discloses a thoracic tumor biopsy puncture guide device which comprises a support, a fixed clamping plate, a guide rod, a sliding sleeve, a fixed sleeve, a sliding rod, a clamping piece and a puncture needle. The support comprises stand columns and a frame beam. Stand columns are arranged at four corners of the lower side surface of the frame beam; guide through holes are formedin the front ends of the frame beams, and guide grooves are formed in the rear ends; the fixed clamping plate is arranged at the bottom end of the stand column and is in threaded connection with a fastening bolt; the rear end of the guide rod is arranged in the guide groove, and the front end is arranged in the guide through hole; the sliding sleeve is arranged on the guide rod and is connected with an adjusting bolt; the fixing sleeve is arranged on the side face of the sliding sleeve and provided with an adjusting tooth column. The sliding rod is sleeved with the fixing sleeve, a rack is arranged on the sliding rod,