DRIVE MECHANISM FOR AN INJECTION DEVICE
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Nov 20, 2024
filing date -
Nov 20, 2024
priority date (Note) -
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Abstract
The present disclosure relates to an injection device for expelling of a number of preset or user-selectable doses of a medicament, the injection device comprising: an elongated housing extending along a longitudinal axis, and a rotatable member and a counterpart member each comprising a first mechanical code and a second mechanical code, respectively. For setting of a dose the rotatable member is rotatable relative to the housing and relative to the counterpart member. During setting of the dose the rotatable member is constrained along the longitudinal axis relative to the housing or relative to the counterpart member. For expelling of a dose one of the rotatable member and the counterpart member is displaceable along the longitudinal axis into an expelling position relative to the other one of the rotatable member and the counterpart member only when the first mechanical code is aligned with the second mechanical code.
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