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Sophy® Mini SM8 - Valve Introduction

Direct pressure reading is obtained using the adjustment kit compass: the compass needle is aligned with the position of the magnetic rotor.

In addition to the standard model (30-200 mmH 2O), Sophy® Mini SM8 also offers a unique special pressure range: one low pressure valve and two high pressure valves. Thus a choice is provided, depending on the experience of the practitioner, to meet very special needs (1,2).


The Sophy® Mini SM8-140 and SM8 can be associated with SiphonX®, an anti-siphon device, which adds 200 mmH 2O in vertical position.


1 - Bergsneider, M., Miller, C. et al., 2008. Surgical Management of Adult Hydrocephalus - Neurosurgery - 62, 643-660.
2 - Takahashi, Y., 2001 - Withdrawal of shunt systems - clinical use of the programmable shunt system and its effect on hydrocephalus in children.
Child's Nervous Syst. 17(8), 472-477.