Wartenberg Pin Wheel Queen Square Pattern A brain knife is a

A brain knife is a type of surgical instrument used in neurosurgery

straight blade and a rounded tip that is designed to minimize tissue trauma

It is designed to fit No-3L 10-15 40 and 42 blades and has a length of 210mm

They are curved to provide better access to hard-to-reach areas

without damaging the underlying tissue

Wartenberg Pin Wheel Queen Square Pattern A brain knife is aA Wartenberg Pin Wheel is a medical instrument used in the surgical field, primarily for sensory testing and nerve conduction studies. It is a wheel with a handle and a row of sharp pins on its circumference. When rolled over the skin, it produces a prickling sensation.