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Medication delivery device with alignment detection mechanism

A technology of a delivery device and a detection mechanism, which can be applied to needles, medical devices, and devices introduced into the body, etc., can solve problems such as painful injections

Inactive Publication Date: 2017-07-28
SANOFI AVENTIS DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bent needles can lead to more painful injections due to non-perpendicular insertion of the needle

Method used

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  • Medication delivery device with alignment detection mechanism
  • Medication delivery device with alignment detection mechanism
  • Medication delivery device with alignment detection mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0091] Figure 1A and 1B An exemplary embodiment of a medicament delivery device 100 with an alignment detection mechanism 200 according to the invention is shown. Delivery device 100 may be any type of injection device for injecting a medicament from a syringe or cartridge. Those skilled in the art will appreciate that such injection devices include, but are not limited to, pen injectors, pre-filled syringes, auto-injectors, priming devices, infusion devices, and the like.

[0092] In an exemplary embodiment, the alignment detection mechanism 200 is integrally formed with the delivery device 100 . In another exemplary embodiment, the pin alignment detection mechanism 200 may be an accessory that attaches to an existing delivery device. For example, the alignment detection mechanism 200 may be a cap-type attachment that is removably coupled to the delivery device 100 and reusable.

[0093] In this exemplary embodiment, the delivery device 100 may include the same components...

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PUM

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Abstract

The present invention describes a drug delivery device (100), comprising: a housing; a container slidably disposed in the housing between a first position and a second position; a needle (115) coupled to the container; and adapted to receive a needle (115), wherein the needle alignment detection mechanism It is determined whether the needle (115) is aligned with the longitudinal axis (L).

Description

technical field [0001] The invention relates to a drug delivery device with an alignment detection mechanism. Background technique [0002] Conventional drug delivery devices (eg, pen injectors, auto-injectors, syringes, etc.) typically utilize a syringe or cartridge that contains the drug and has an integral needle or a removable needle assembly. Conventional drug delivery devices typically do not check needle alignment prior to injection. When, for example, there is a manufacturing defect, bent during shipping, when the cap or guard is placed on the device during manufacture, when the cap or guard is removed prior to use, or during handling of the device before or during use, In both cases, the needle may bend prior to injection. [0003] Bent needles can be problematic for several reasons. For example, a bent needle may interfere with drug delivery (eg, if the flow path of the medicament is interrupted). A bent needle may alter the desired injection depth. A bent nee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/32
CPCA61M5/34A61M2005/341A61M2205/70A61M2205/6027A61M5/3287A61M5/5086
Inventor C·亨德森D·克罗斯D·I·詹宁斯R·A·麦金利
Owner SANOFI AVENTIS DEUT GMBH