Dosing button assembly for an injection device

The dosing button assembly with a switchable clutch and overload protection mechanism addresses the issue of torque overload in injection devices, ensuring stable and durable operation.

WO2026109662A1PCT designated stage Publication Date: 2026-05-28YPSOMED AG
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Patent Information

Application Number
PCT/EP2025/083721
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-20
Filing Date
2025-11-20
Publication Date
2026-05-28

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Abstract

Disclosed is a dose button assembly (1, 3) for an injection device (8) that enables reliable transmission of the injection force to a dosing member (2, 4) of the device and comprises an overload protection mechanism. It comprises a button clutch element (3) and a button housing (1), is releasably engageable with a first part (2) of a dosing member of the injection device (8) and is rotatably mounted on a second part (4) of the dosing member of the injection device (8).
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Citation Information

Patent Citations

  • Injection button

    US9265893B2

  • An injection syringe

    WO1999038554A1

  • Dosing device for an injection device

    WO2010072427A1

  • Administering device having overload protection during dose adjustment

    WO2011057677A1

  • Auto-injection device with button activation

    WO2015101669A1