Universal type nasal feeder

The invention discloses a universal type nasal feeder. The universal type nasal feeder comprises a syringe and a piston head; the piston head is arranged in the syringe and is in sealing and sliding fit with the syringe. The universal type nasal feeder has the following characteristics: the back end of the syringe is in clamping connection with a chuck; a piston boosting mechanism is arranged on the chuck; the piston boosting mechanism comprises a screw rod and a connecting rod; the screw rod penetrates through the chuck; a thread opening and closing mechanism is arranged between the chuck andthe screw rod; the screw rod is hollow; a positioning sheet is integrally arranged at the back end of the connecting rod; the front end of the connecting rod penetrates through the screw rod and is in threaded connection and fixation with the piston head. The universal type nasal feeder has the following advantages: when the syringes with different diameters need to be changed, all that is neededis to change the correspo