Importance

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Abstract

A hydraulic actuator for orthopaedic devices has a control valve in a flow channel which has an inlet and an outlet for a hydraulic fluid. The control valve has a valve sleeve and a valve member. The valve sleeve has a sleeve wall which forms a receiving space and in which at least one radially orientated inlet opening is formed. The valve member is displaceably arranged inside the receiving space of the valve sleeve between a closed position and an open position and opens in the outlet. The valve member has at least one valve member wall which is opposite the at least one inlet opening and in which a through-opening which is opposite the corresponding inlet opening in the open position is formed. The valve member forms a hollow space in which a diffuser insert which redirects the hydraulic fluid in the direction towards the outlet is arranged.

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First Claim