Dose setting assembly with relaxation reduction feature

A dose setting and dose technology, applied in the direction of infusion sets, hypodermic injection devices, automatic injectors, etc., can solve the problem of lack of devices

Pending Publication Date: 2022-07-12
NOVO NORDISK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] While some injection devices integrate this monitoring / acquisition mechanism into the device itself, e.g. as disclosed in US2009 / 0318865 and WO2010 / 052275, most devices today do not have such a mechanism

Method used

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  • Dose setting assembly with relaxation reduction feature
  • Dose setting assembly with relaxation reduction feature
  • Dose setting assembly with relaxation reduction feature

Examples

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Embodiment Construction

[0063] When the following terms such as "upper" and "lower", "right" and "left", "horizontal" and "vertical" or similar relative expressions are used, these refer only to the drawings and not necessarily to actual usage Happening. The figures shown are schematic representations, and for this reason the configuration of the various structures and their relative dimensions are for illustrative purposes only. When the term member or element is used for a given part, it generally indicates that in the described embodiment the part is a single part, however, the same member or element may alternatively comprise multiple sub-parts, like two or more of the parts in question More can be provided as a single part, eg manufactured as a single injection molded part. The term "component" does not imply that the components must be capable of being assembled to provide a single or functional assembly during a given assembly process, but is merely used to describe components that are groupe...

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PUM

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Abstract

An add-on device for a drug delivery pen device, comprising: a drive member adapted to be coupled to a dose dial member of the pen device; a dial member adapted to rotate the drive member in first and second directions to set / adjust pen dose; a release member axially movable to actuate the pen device to release the button; a linear-to-rotary converter mechanism adapted to convert an axial movement of the release member into a rotary movement of the drive member in a first direction, whereby when the add-on device is mounted on the drug delivery pen device: a dose dial member of the pen device is biased in the first direction by the drive member, thereby absorbing rotational relaxation in the pen device.

Description

[0001] The present invention generally relates to medical devices that efficiently and reliably detect the amount of expelled dose. Background technique [0002] In the present disclosure, reference is primarily made to drug delivery devices used, for example, in the treatment of diabetes mellitus by subcutaneous delivery of insulin, however, this is only an exemplary use of the present invention. [0003] Drug delivery devices for subcutaneous injection have greatly improved the lives of patients who must self-administer drugs and biologics. Such drug delivery devices can take a variety of forms, including simple disposable devices that are just ampoules with an injection device, or they can be durable devices suitable for use with prefilled cartridges. Regardless of their form and type, they have proven to be an important adjunct in helping patients self-administer injectable drugs and biologics. They also greatly help caregivers administer injectable drugs to people who ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/24A61M5/315A61M5/20
CPCA61M5/24A61M5/31553A61M5/31585A61M5/20A61M2005/3126A61M2205/3317A61M2205/52
Inventor H·本特松B·朱尔J·H·普鲁图恩Z·马穆迪L·H·奥勒森
Owner NOVO NORDISK AS
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