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Transmission arrangement for motorized drug delivery devic

A technology of a speed change device and a delivery device, which can be applied in the directions of drug devices, pressure infusion, and devices introduced into the body, and can solve problems such as expensive

Inactive Publication Date: 2016-08-24
NOVO NORDISK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Continuous type devices are generally called infusion pumps and are usually designed to a very high standard and correspondingly very expensive

Method used

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  • Transmission arrangement for motorized drug delivery devic
  • Transmission arrangement for motorized drug delivery devic
  • Transmission arrangement for motorized drug delivery devic

Examples

Experimental program
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Embodiment Construction

[0020] When terms such as "upper" and "lower", "right" and "left", "horizontal" and "vertical" or similar relative expressions are used below, these refer only to the drawings and not necessarily to actual usage. The shown figures are schematic representations, for which reason the configuration of the different structures as well as their relative dimensions are intended for illustrative purposes only. When the term "part" or "element" is used for a given component, it generally indicates that in the described embodiment, the component is a unitary component, however, the component or element may alternatively comprise a plurality of sub-components, since two One or more of the described components may be provided as a unitary component, for example manufactured as a single injection molded part. The term "component" does not imply that the described components must be assembled during a given assembly process to provide an integral or functional assembly, but is only used to...

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PUM

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Abstract

A transmission comprises a first gear wheel and a second gear wheel with a threaded bore, and a threaded non-rotationally arranged rod in threaded engagement with the threaded bore, rotation of the second gear wheel thereby providing axial movement of the rod. The first and second gear wheel are arranged in a common plane and in rotational engagement with each other, wherein the combined second gear wheel and rod are arranged to pivot corresponding to a centre point defined by the intersection of the rod axis and the common plane, whereby the rod, with the gear wheels in engagement, can be arranged out of alignment with the first gear wheel axis.

Description

technical field [0001] The present invention generally relates to transmission assemblies. In a particular aspect, the invention relates to a motorized drug delivery device adapted to receive a drug-filled cartridge and subsequently expel a dose therefrom. Background technique [0002] In the present disclosure, reference is primarily made to the treatment of diabetes by discrete or continuous subcutaneous drug delivery, however, this is only an exemplary use of the present invention. [0003] The most common type of durable drug delivery device adapted to receive a drug-filled cartridge and expel therefrom discrete doses of desired size is driven by manual means or a spring energized during dose setting, this type of cartridge includes an axial A displaceable piston has an initial proximal position and is moved distally by the piston rod. Subcutaneous drug delivery is via an injection needle arranged in fluid communication with the cartridge. The device may be in the for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/145
CPCA61M5/1452A61M5/172A61M2005/14208A61M2205/3592
Inventor J.霍霍特C.S.安德森B.G.拉森T.索伦森P.布罗克梅尔S.梅斯
Owner NOVO NORDISK AS