1. One complete Set of instrument is composed of the base, skull fixture rack and U-Shaped head bracket. They can be assembled at will according to operation needs.
2. Adjustable cranial apical rack:

-Four-point fixation: the four points are distributed according to isosceles triangle, and the four points press the head synchronously to achieve stable fixation.
-Head clamp double bow streamline design, uniform stress conduction.
-Side single nail design is simple, no operating parts open vision.
-The interface should be fixed firmly. After locking with two nails on the side, there is no clearance, no shaking, and repeated use of non-slip wire.
-Intraoperative fine-tuning can be performed without loosening the patient's head.

3. Head support: horseshoe shaped design, suitable for various head positions fixed function, adjustable size, smooth surface, soft texture.
4. Base: The inserting rod can be replaceable.
5. Can meet the supine, prone, side, sitting posture and other positions
6. The outer surface is treated with matte oxidation to prevent corrosion and aging, and the appearance of uniform color.