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    • 46. 发明申请
    • AUTOINJECTION DEVICE HAVING DOSE LOGGING
    • US20210338933A1
    • 2021-11-04
    • US17261730
    • 2019-07-17
    • Novo Nordisk A/S
    • Nikolaj Eusebius Jakobsen
    • A61M5/20A61M5/315
    • An autoinjection device (10′) for expelling a dose of drug is described. A housing (300) movably holds a power unit (400, 500, 550, 700) configured for driving the piston of a held container (100), the power unit comprising: a) a plunger (500) comprising a retaining geometry (515), b) a drive spring (550) arranged in a tensed state wherein a first end portion of the drive spring (550) provides a distally directed force on the plunger (500), and c) a power base (400) operably coupled to the drive spring (550) and the plunger (500), the power base (400) grounding a second end portion of the drive spring (550), wherein, in a pre-firing state of the autoinjector, a retaining element (410, 415) of the power base (400) releasably engages the retaining geometry (515) of the plunger to retain the plunger against the force of the drive spring (550), wherein the autoinjection device (10′) further defines a user operable trigger element (700) cooperating with the retaining element (410, 415) to maintain retaining engagement with the retaining geometry (515) of the plunger until triggering, and further defines an electronic module (80′) comprising a sensor (850, 851) configured to sense the shift of position of the power base (400) as it moves upon triggering.
    • 48. 发明申请
    • Drug delivery device
    • US20210275749A1
    • 2021-09-09
    • US17327173
    • 2021-05-21
    • Novo Nordisk A/S
    • Henrik BengtssonAnders NoerbygaardRonan CarrollEmil Gram Spork
    • A61M5/31A61M5/315
    • The present invention relates to a drug delivery device for expelling a dose of drug from a held cartridge and that defines a distal drug outlet end and an opposite proximal end. The drug delivery device comprises: a distal housing component (110) holding a cartridge (113) comprising a liquid drug and a piston slideable arranged therein in an axial direction, and a proximal housing component (101) housing a dose setting and expelling mechanism comprising a piston rod for exerting a force on the piston of the cartridge (113) in a distal direction for expelling a dose. The distal housing component (110) and the proximal housing component (101) are displaceably arranged in axial direction relative to each other for reducing an axial distance between the piston rod (120) and the piston of the cartridge (113). One of the distal housing component (110) and the proximal housing component (101) comprises a threaded adjustment component (103) being held at an axial fixed location on said one of the distal housing component (110) and the proximal housing component (101) and defining a first thread (103b) being in threaded engagement with a second thread (110b) defined by the other of the distal housing component (110) and the proximal housing component (101). After displacement the threaded adjustment component (103) is rotatably fixated so that the adjustment component (103) cannot be rotated without the use of a tool.