La válvula GAV de Miethke es una válvula única para el tratamiento de la hidrocefália en adulto. Automáticamente varía la presión de apertura según la necesidad por alteración de la posición corporal del paciente. Esto evita un sobredrenaje. Gracias a su drenaje fisiológico está indicada para el tratamiento de pacientes NPH así como para formas extremas de hidrocefália en adulto. La válvula Miethke está fabricada en titáneo, un material que garantiza la precisión, fiabilidad y biocompatibilidad
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