Hydrocephalus valve
First Claim
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1. A hydrocephalus valve comprising:
- an electrically actuable switching valve, the switching valve comprising a spherical valve body which is configured to rest in a sealing manner on a valve aperture in a closed position and to rest in a recess laterally adjacent to the valve aperture in an open position;
an electrical actuating system configured to adjust the switching valve between the open position and the closed position, wherein the switching valve is stable in the open position and in the closed position when the electrical actuating system is not activated, such that no energy is required to maintain the closed and open positions.
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Abstract
In order to allow improved adaptation to the situation existing in a patient in the case of a hydrocephalus valve with an electric actuating system comprising a control system opening and closing the hydrocephalus valve, it is proposed that the control system is a time control system.
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Citations
18 Claims
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1. A hydrocephalus valve comprising:
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an electrically actuable switching valve, the switching valve comprising a spherical valve body which is configured to rest in a sealing manner on a valve aperture in a closed position and to rest in a recess laterally adjacent to the valve aperture in an open position;
an electrical actuating system configured to adjust the switching valve between the open position and the closed position, wherein the switching valve is stable in the open position and in the closed position when the electrical actuating system is not activated, such that no energy is required to maintain the closed and open positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification