Title:
過トルク保護機構を有する薬剤送達装置
Document Type and Number:
Japanese Patent JP6961681
Kind Code:
B2
Abstract:
Drug delivery device adapted to expel a set dose, comprising an expelling mechanism with a drive spring, a dose setting mechanism with first and second dose setting ratchet parts, a bias spring as well as control means. The control means is adapted to rotate the second ratchet part in a first direction to thereby set a dose when rotating the dose setting member in the first direction, and move the ratchet parts axially out of engagement with each other when the dose setting member is rotated in the opposite direction. When the first and second ratchet parts have been axially disengaged, the drive spring will rotate the second ratchet part in the second direction to thereby reduce the set dose, the bias spring moving the ratchet parts axially into engagement with each other again, this resulting in the set dose being reduced corresponding to one tooth of the ratchet mechanism.
Inventors:
Killerich, Eve
Application Number:
JP2019511581A
Publication Date:
November 05, 2021
Filing Date:
August 30, 2017
Export Citation:
Assignee:
Novo Nordeisk A/S
International Classes:
A61M5/315
Domestic Patent References:
| JP2016521187A |
Foreign References:
| US20140088515 | ||||
| WO2016091843A1 |
Attorney, Agent or Firm:
Sonoda/Kobayashi Patent Business Corporation