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Resettable display of a device for metered administration of a fluid drug

  • US 6,364,860 B1
  • Filed: 06/05/1998
  • Issued: 04/02/2002
  • Est. Priority Date: 06/05/1997
  • Status: Expired due to Fees
First Claim
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1. 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.

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