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Motorized drug delivery device

A technology of delivery device and drug, applied in the field of motorized drug delivery device, can solve problems such as high cost, and achieve the effect of accurate and reliable dose administration

Inactive Publication Date: 2017-05-10
NOVO NORDISK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Devices of the latter type are often referred to as infusion pumps and are usually designed to a very high standard and correspondingly very expensive

Method used

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  • Motorized drug delivery device
  • Motorized drug delivery device
  • Motorized drug delivery device

Examples

Experimental program
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Embodiment Construction

[0033]When terms such as "upper" and "lower", "right" and "left", "horizontal" and "vertical" or similar relative expressions are used hereinafter, these only apply to the drawings and do not necessarily apply to actual usage . The shown figures are schematic representations, therefore the configuration of the different structures as well as their relative dimensions are intended for illustrative purposes only. When the term component or element is used with respect to a given component, it generally indicates that in the described embodiment the component is a monolithic component, however, the same component or element may alternatively comprise several subcomponents, as two or more The described components may be provided as monolithic components, eg manufactured as a single injection molded part. The term "assembly" does not imply that the described parts are necessarily capable of being assembled to provide a monolithic or functional assembly during a given assembly proc...

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PUM

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Abstract

The invention discloses a motorized drug delivery device comprising a piston rod adapted to engage and axially move a cartridge piston to thereby expel an amount of drug from a loaded cartridge corresponding to a set dose amount, the device comprising a motor for moving the drive member from an initial position, through a start-of-dose position, to an end-of-dose position, as well as position detection means adapted to generate output data indicative of the drive member's position relative to the piston of a loaded cartridge. An electronic controller adapted is adapted operate the motor to continuously move the drive member from the initial position, based on output data from the position detection means determine that the drive member is in engagement with the cartridge piston corresponding to the start-of-dose position, and operate the motor to move the drive member from the start-of-dose position to the an end-of-dose position corresponding to the set dose.

Description

[0001] The present invention generally relates to a drug delivery device adapted for use and manipulation by a patient in his or her own hands. More specifically, the present invention relates to motorized drug delivery devices. Background technique [0002] In the present disclosure, reference is made primarily to the treatment of diabetes by subcutaneous drug delivery (discrete or continuous), however, this is only an exemplary use of the present invention. [0003] The most common type of durable drug delivery device (adapted to receive and expel discrete doses of desired size from a drug-filled cartridge) is actuated by manual means or by a spring that is energized during dose setting. A type of piston that is displaced in a direction that has an initial proximal position and which is moved distally by the piston rod. Subcutaneous drug delivery is through an injection needle arranged in fluid communication with the cartridge. The device may be pen-shaped or in the form o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/315A61M5/20
CPCA61M5/20A61M5/31546A61M2005/31588A61M2205/8206A61M2205/50A61M2205/60A61M2205/3306A61M2205/332A61M2205/3368A61M5/31578A61M2005/3126
Inventor M.莫拉德P.E.P.霍尔姆J.A.门克
Owner NOVO NORDISK AS