Clinical evaluation of shunt implantations using Sophy programmable pressure valves: comparison with Codman–Hakim programmable valves

A Randomized, Controlled Study of a Programmable Shunt Valve versus a Conventional Valve for Patients with Hydrocephalus

Ian F. Pollack, A. Leland Albright, P. David Adelson · Neurosurgery · 1999 · 239 citations

Medicine, Surgery, Perioperative Outcomes Research +12

Seven years of clinical experience with the programmable Codman Hakim valve: a retrospective study of 583 patients

Göran Zemack, Bertil Romner · Journal of neurosurgery · 2000 · 186 citations

Medicine, Neurological Surgery, Neurosurgery +10

Experience with a programmable valve shunt system

Nobuko Yamashita, Ken Kamiya, Kazuo Yamada · Journal of neurosurgery · 1999 · 72 citations

Medicine, Neurological Surgery, Neurosurgery +12

Transcutaneous Pressure-adjustable Valves and Magnetic Resonance Imaging: An Ex Vivo Examination of the Codman-Medos Programmable Valve and the Sophy Adjustable Pressure Valve

Martin Ortler, H. Kostron, Stephan Felber · Neurosurgery · 1997 · 53 citations

Medicine, Biomedical Engineering, Radiology +14

A clinical survey of hydrocephalus and current treatment for hydrocephalus in Japan: analysis by nationwide questionnaire

Hiroji Miyake, Tomio Ohta, Yoshinaga Kajimoto et al. · Child s Nervous System · 1999 · 12 citations

Medicine, Neurosurgery, Good Clinical Practice +10