Other

Unversität Zürich

Universitât Bern

Primed Halberstadt Medizintechnik Gmbh

Andreas Spiegelberg

Vartan Kurtcuoglu

Jürgen Beck

The invention relates to a device for determining a parameter for the diagnostics of hydrocephalus and other disorders of intracranial pressure, wherein information about the volume elasticity is obtained from a pressure signal or another characteristic signal which contains information about the pressure or the volume composition in the skull. The characteristic parameter determined according to the invention is the ratio of the amplitude of a modulating wave in the processed characteristic signal to the amplitude of the modulated wave in the course of the pulse amplitude of the modulated wave of the processed characteristic signal.

Device for determining a parameter for diagnosing hydrocephalus and other disorders of intracranial pressure

The invention relates to an implantable valve () for a drainage system for discharging cerebrospinal fluid, comprising: a valve housing () extending along a valve axis (A), an inlet () and an outlet () as well as a valve housing () surrounding an interior space (), a valve body assembly () arranged in the interior () and movably arranged in the interior space (), a first valve seat (), wherein the valve body assembly () is configured to abut the first valve seat () to close a flow connection between the inlet () and the interior space () of the valve housing (), a second valve seat () which faces the first valve seat (), wherein the valve body assembly () is configured to abut the second valve seat () to close a flow connection between the outlet () and the interior space () of the valve housing (), and a spring device () arranged in the interior space () which exerts a spring force on the valve body assembly () in the direction of the first valve seat ().

Valve for permanent implantation, in particular for treatment of normal pressure hydrocephalus

A device for drainage includes a tubular reservoir having a tubular pliable wall, a rigid cover, and a rigid bottom, and also includes at least one spring which applies a force that presses the cover and the bottom apart, wherein the cover is movable in the direction of the bottom in order to place the spring into a start position. One or more magnets are configured such that the magnets apply an additional force on the reservoir in such a way that a resulting force pressing the cover and the bottom apart is substantially constant across as the spring is deflected.

Growing community of inventors

Horgen, Switzerland

Andreas Spiegelberg