As early as 1985, Sophia developed the world's first adjustable pressure shunt tube, which made a historic technical breakthrough in the field of cerebrospinal fluid shunt. Up to now, more than 60,000 adjustable shunt tubes from SOPHYSA have been implanted in the world, which strongly proves the advancement and great advantages of noninvasive valve pressure setting in vitro in the treatment of hydrocephalus. SOPHYSA adjustable shunt pipe is a product of many high technologies. The shunt pipe solves the safety problem that has been faced in the field of pressure regulation-the pressure change caused by the influence of external magnetic field. The unique design of SOPHYSA adjustable pressure shunt pipe makes this product become the most advanced adjustable pressure shunt pipe system at present. Compatible with nuclear magnetic resonance, benefiting both doctors and patients. The self-locking system, which represents the leading technology, is a patented technology of Sofosa, and Sofosa adjustable pressure shunt pipe represents unprecedented safety, reliability and accuracy. The adjustable shunt regulator of SOPHYSA conforms to the design concept of ergonomics, and can accurately and safely adjust the five-stage pressure in vitro.