Dose display mechanism for drug delivery device with first and second windows and scales
First Claim
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1. A dose display mechanism for a drug delivery device, the dose display mechanism comprising:
- a housing of substantially tubular shape and having a first dose displaying window,a dose setting dial rotatably arranged in the housing and comprising a first helically extending dose indicating scale and a second helically extending dose indicating scale on its peripheral surface,wherein the first helical dose indicating scale has a first information content and the second helical dose indicating scale has a second information content, wherein the first and the second information contents are arranged in different orientations, and wherein a size of the first dose displaying window directly matches with a size of the first information content, andwherein the housing comprises a second dose displaying window axially and/or circumferentially offset from the first dose displaying window, and wherein the first and the second dose displaying windows substantially overlap with the first and the second helical dose indicating scales, respectively.
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Abstract
The present invention relates to a drug delivery device, in particular to the dose display mechanism of a drug delivery device comprising: a housing of substantially tubular shape and having at least a first dose displaying window, a dose setting dial rotatably arranged in the housing) and comprising a first and a second helical dose indicating scale on its peripheral surface, wherein the information contents of the first dose indicating scale and the second dose indicating scale are arranged in different orientations.
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12 Claims
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1. A dose display mechanism for a drug delivery device, the dose display mechanism comprising:
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a housing of substantially tubular shape and having a first dose displaying window, a dose setting dial rotatably arranged in the housing and comprising a first helically extending dose indicating scale and a second helically extending dose indicating scale on its peripheral surface, wherein the first helical dose indicating scale has a first information content and the second helical dose indicating scale has a second information content, wherein the first and the second information contents are arranged in different orientations, and wherein a size of the first dose displaying window directly matches with a size of the first information content, and wherein the housing comprises a second dose displaying window axially and/or circumferentially offset from the first dose displaying window, and wherein the first and the second dose displaying windows substantially overlap with the first and the second helical dose indicating scales, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification