Patent ID: 6364860
Filing Date: 2002-04-02
Classification: A61M

Abstract:
A resettable display of a device for metered administration of a fluid, comprising:a) a housing, b) a fluid container provided in or on the housing and containing the fluid, the fluid container having a piston, c) an actuating device shiftably mounted by a length in or on said housing, wherein upon actuation the actuating device shifts the piston in the fluid container in order to displace from the fluid container a fluid dose adjusted by means of the actuating device, d) a display provided in or on said housing displaying a measure for the adjusted fluid dose, and e) a resetting means shifted with the actuating device and thus resetting the display, in which the resetting means includes a guide track and in which the display comprises a first counter ring rotated when adjusting the fluid dose by means of the actuating device in relation to the housing from a zero position, said counter ring carrying a projection for engaging said guide track, whereby said resetting means mechanically transfers a longitudinal movement of the actuating device into a reverse rotary movement of the first counter ring towards its zero position.