Stereotactic guidance device

A stereotactic guidance device that rotates a driving part of a drug injection device in order to find a target point in a patient's skull and is detachably provided so that a guide tube unit can be provided in the driving part, comprising:

• a guide handle that is coupled inside the driving part, and is configured to accommodate the guide tube unit, adjust the guide tube unit to be positioned toward the target point, and guide the guide tube unit so that the guide tube unit is provided inside the driving part;
• a probe accommodating part that is provided at the guide handle and accommodates a navigation probe that finds a trajectory for the target point;
• a tube connecting part that is connected to the guide handle, is provided as at least a pair of members to be assembled and disassembled, has one end portion inserted into the guide handle and the other end portion mounted at an upper portion of the guide handle, and guides the guide tube unit so that the guide tube unit is inserted into and mounted in the driving part;
• and
• a guide wire that is provided in the guide handle and the guide tube unit, and guides and adjusts a direction toward the target point.