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    Spring arrangement and drug delivery device herewith
    4.
    发明授权
    Spring arrangement and drug delivery device herewith 有权

    公开(公告)号：US11185633B2

    公开(公告)日：2021-11-30

    申请号：US15322030

    申请日：2015-07-01

    申请人： Sanofi

    发明人： William Marsh ,  Anthony Paul Morris ,  Joseph Butler ,  Matthew Jones ,  Samuel Steel ,  Richard James Vincent Avery

    IPC分类号： A61M5/20 ,  A61M5/315 ,  A61M5/31

    摘要： The present disclosure is directed to a spring arrangement for use in a drug delivery device and a drug delivery device including such a spring arrangement. The spring arrangement includes a clutch spring which is located axially interposed between a stationary housing component and an axially movable sleeve. The sleeve includes clutch features adapted to engage corresponding clutch features of a clutch element. The clutch spring biases the clutch features and the corresponding clutch features into engagement. The sleeve is coupled to a button such that upon actuation of the button the sleeve is translated against the bias of the clutch spring from a proximal position in which the sleeve is rotationally locked to the housing component into a distal position in which the sleeve is rotationally un-locked from the housing component. Upon release of the button the clutch spring translates the sleeve and the button into the proximal position.

    Drug Delivery Device
    6.
    发明申请
    Drug Delivery Device 审中-公开

    公开(公告)号：US20190134311A1

    公开(公告)日：2019-05-09

    申请号：US16238292

    申请日：2019-01-02

    申请人： Sanofi-Aventis Deutschland GMBH

    发明人： Samuel Keir Steel ,  Paul Richard Draper ,  Joseph Butler ,  George Cave ,  David Richard Mercer

    IPC分类号： A61M5/31 ,  A61M5/32 ,  A61M5/315 ,  A61M5/24 ,  A61M5/34 ,  A61M5/20

    摘要： A drug delivery device for administering a drug is presented having a body adapted to retain a cartridge containing a drug, at least one electrical unit and a port for electrically contacting the electrical unit, an adapter for attaching an injection needle to the drug delivery device, a safety mechanism arranged to prevent contacting the electrical unit through the port whilst an injection needle is in fluid communication with the cartridge and arranged to prevent establishing a fluid communication between an injection needle and the cartridge whilst the port is configured to allow contacting the electrical unit.

    Injection device
    8.
    发明授权
    Injection device 有权

    公开(公告)号：US09956350B2

    公开(公告)日：2018-05-01

    申请号：US14782725

    申请日：2014-04-08

    申请人： Sanofi

    发明人： Anthony Paul Morris ,  William Marsh ,  Matthew Jones ,  Joseph Butler

    IPC分类号： A61M5/00 ,  A61M5/315 ,  A61M5/20

    CPC分类号： A61M5/31548 ,  A61M5/20 ,  A61M5/31551 ,  A61M5/3157 ,  A61M2205/58

    摘要： A handheld injection device comprising a housing, a piston rod defining a first longitudinal axis and located within the housing, a driver coupled to the piston rod, a dose setting means, which is rotatable about a second longitudinal axis during dose setting, and optionally a power reservoir for driving the driver and/or a release clutch preventing rotation of the driver during dose setting and allowing rotation of the driver during dose dispensing. The first longitudinal axis is spaced from the second longitudinal axis.

    DRUG INJECTION DEVICE WITH RESETTABLE MECHANISM ALLOWING PISTON ROD RETRACTION UPON DRUG CARTRIDGE CHANGE
    9.
    发明申请
    DRUG INJECTION DEVICE WITH RESETTABLE MECHANISM ALLOWING PISTON ROD RETRACTION UPON DRUG CARTRIDGE CHANGE 审中-公开

    公开(公告)号：US20170312441A1

    公开(公告)日：2017-11-02

    申请号：US15517863

    申请日：2015-10-09

    申请人： Sanofi

    发明人： Paul Richard Draper ,  Joseph Butler

    IPC分类号： A61M5/315 ,  A61M5/24 ,  A61M5/31

    摘要： 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 permanently rotationally constrained to the housing and rotationally constrained to the drive member during dose setting, 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 into a position in which the drive member is allowed to rotate relative to the housing