Pre-filled catheter flusher

The utility model discloses a pre-filled catheter flusher, which belongs to the technical field of medical equipment, and comprises a pre-filled catheter flusher, the right end of the pre-filled catheter flusher is provided with a positive pressure joint, the right end of the positive pressure joint is fixedly connected with an infusion tube, the outer end of the infusion tube is sleeved with a catheter clamp, and the outer end of the catheter clamp is fixedly connected with the positive pressure joint. According to the scheme, when the pre-filled catheter flusher is used for flushing and sealing the remaining needle, a pulse type catheter flushing technology is adopted for flushing the catheter, and after catheter sealing liquid is injected, the syringe is screwed away at a constant speed and the catheter clamp is closed in sequence, so that the remaining needle is flushed and sealed, and the remaining needle is flushed and sealed. The indwelling needle can achieve the double positive pressure tube sealing e