Title:
The drive mechanism and the medicine delivery device for medicine delivery devices
Document Type and Number:
Japanese Patent JP6042339
Kind Code:
B2
Abstract:
A lead screw, a lead screw nut (7) and a drive member (8) are aligned with an axis defining an axial direction and an opposite axial direction. A coupling between the lead screw and the lead screw nut allows a helical movement of the lead screw with respect to the lead screw nut at least in the axial direction. The lead screw is coupled with the drive member, the coupling generating a helical movement of the lead screw with respect to the drive member when the drive member is moved in the axial direction with respect to the lead screw. A dispense stop feature (19) of the lead screw nut and a dispense stop feature (20) of the drive member prevent the generation of the helical movement of the lead screw when a specified end position of the drive member is approached.
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Inventors:
David Aubrey Plumptry
Application Number:
JP2013532188A
Publication Date:
December 14, 2016
Filing Date:
October 05, 2011
Export Citation:
Assignee:
Sanofi-Aventis Deutschland Gesellschaft Mitt Beschlenktel Haftung
International Classes:
A61M5/315
Domestic Patent References:
| JP2010509956A | ||||
| JP2010509957A | ||||
| JP2010500136A | ||||
| JP2008532581A |
Foreign References:
| WO2009132777A1 |
Attorney, Agent or Firm:
Junji Yuda
Noriyuki Takebayashi
Noriyuki Takebayashi
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