LIQUID MEDICINE ADMINISTERING DEVICE FOR ENDOSCOPIC SURGERY, MEDICAL CONTROLLER FOR LIQUID MEDICINE, AND LIQUID MEDICINE ADMINISTERING DEVICE FOR ENDOSCOPIC SURGERY COMPRISING SAME
Disclosed are a medical controller for liquid medicine, and a liquid medicine administering device for endoscopic surgery comprising same. The liquid medicine administering device for endoscopic surgery comprises: a head member including at least one liquid medicine entrance port through which liquid medicine from a syringe is admitted, and a first gas entrance port into which gas enters from a gas supply line and which is connected to the liquid medicine entrance port a strong member connected to the head member, and including a liquid medicine passage inserted into a human body for discharging the liquid medicine to a surgical site and a valve unit installed on the head member to selectively communicate the liquid medicine passage with the liquid medicine entrance port or the first gas entrance port. The liquid medicine that enters through the liquid medicine entrance port is through the liquid medicine passage by means of air provided from the first as entrance port and is discharged to the surgical site.