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Dose display for injection device

  • US 6,547,763 B2
  • Filed: 05/11/2001
  • Issued: 04/15/2003
  • Est. Priority Date: 05/18/2000
  • Status: Expired due to Fees
First Claim
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1. A medical device having a dosage display, the medical device comprising:

  • a housing having;

    a longitudinal dimension, a window, and an inner contour having a surface shaped to deflect a flexible disc in a generally cylindrical manner, a dose setting actuator, a display means carrying digits that, in accordance with the set dose, are shown in the window, wherein;

    the display means comprises at least one rotatable flexible disc that is driven by the dose setting actuator and carries numbers along its perimeter that can, depending on the rotational position of the disc, be presented in the window to show a set dose, the disc being deflected to follow the inner contour of the housing to attain a cylindrical shape having a generatrix extending in the longitudinal direction of the injection device and perpendicular to the axis of rotation of the disc.

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