Title:
薬物カートリッジ交換時にピストンロッドの後退を可能にするリセット可能な機構を備えた薬物注射デバイス
Document Type and Number:
Japanese Patent JP6573666
Kind Code:
B2
Abstract:
A drug delivery device for selecting and dispensing a number of user variable doses of a medicament. The device comprises a housing, a dose setting element rotatable relative to the housing during dose setting and dose dispensing, a drive member coupled to the dose setting member via a clutch, and a piston rod coupled to the housing and to the drive member. Further, the device further comprises a cartridge holder removably attached to the housing and a reset element, which is axially constrained to the dose setting element, and at least one spring acting on the reset element, such that, if the cartridge holder is detached from the housing, the reset element is axially moved relative to the housing onto a position in which the dose setting element is rotationally constrained to the housing and the drive member is allowed to rotate relative to the housing.
Inventors:
Zoe Georgina Ardley
Paul Richard Draper
Paul Richard Draper
Application Number:
JP2017518862A
Publication Date:
September 11, 2019
Filing Date:
October 09, 2015
Export Citation:
Assignee:
SANOFI
International Classes:
A61M5/315; A61M5/24; A61M5/31
Domestic Patent References:
| JP2013528088A | ||||
| JP2071758A | ||||
| JP2012500067A |
Foreign References:
| WO2009105910A1 |
Attorney, Agent or Firm:
Junji Yuda
Noriyuki Takebayashi
Noriyuki Takebayashi