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auto injector

A technology of automatic injector and memory, applied in the direction of automatic injector, syringe, ampoule syringe, etc., can solve the problem of not providing

Inactive Publication Date: 2018-04-13
SANOFI AVENTIS DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional mechanical autoinjectors can automatically provide the force required for needle insertion and drug delivery, but may not provide the additional functionality that electromechanical and fully electronic autoinjectors can provide (e.g., alignment verification, injection site verification, etc.)

Method used

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Examples

Experimental program
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Embodiment Construction

[0099] figure 1 is a schematic front view of an exemplary embodiment of an autoinjector according to the present invention. The autoinjector 1 comprises a housing 2 . In an exemplary embodiment, the housing 2 includes a door adapted to open (eg by sliding or hinged), receive a cartridge, close and lock. In another exemplary embodiment, the housing 2 may include an exposed connector adapted to engage a drug cartridge. A cartridge may contain, for example, an ampoule, one or more needles, a syringe, a needle cartridge, a plunger, a needle assembly changer, a needle cover remover, and a needle cover changer.

[0100] In the exemplary embodiment, housing 2 includes a distal end 3 adapted to be placed over an injection site. The distal end may have a contoured (eg curved) surface to facilitate alignment and stabilization of the autoinjector 1 during injection.

[0101] In an exemplary embodiment, the cartridge 4 may be used with the auto-injector 1 . The cartridge 4 may be rep...

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PUM

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Abstract

The invention discloses a cartridge (4), comprising: a housing adapted to detachably engage an autoinjector (1); an ampoule (4.1) containing a medicament; and a housing containing a plurality of double-ended needle assemblies (5.1). Needle box (5). An autoinjector (1) comprising: a cartridge (4); a housing (2) adapted to detachably engage said cartridge (4); and a user interface adapted to provide visual, audible or tactile feedback.

Description

technical field [0001] The present invention relates to an automatic injector for administering a medicament. Background technique [0002] Administering an injection is a process that presents several risks and challenges, both mental and physical, to the user and healthcare professional. Injection devices generally fall into two categories - manual devices and auto-injectors. With traditional manual devices, manual force is required to drive the medicament through the needle. This is usually done with some form of button / plunger that needs to be pressed continuously during the injection. This approach has many disadvantages. For example, if the button / plunger is released prematurely, the injection will stop and the intended dose will not be delivered. Also, the force required to push the button / plunger may be too high (eg, if the user is an elderly person or a child). Also, aligning the injection device, administering the injection, and keeping the injection device st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/20A61M5/24
CPCA61M5/20A61M5/24A61M2005/004A61M2005/31588A61M5/1456A61M5/158A61M5/172A61M2005/1585A61M2205/3576A61M2205/505A61M2205/581A61M2205/583
Inventor C·亨德森D·克罗斯D·I·詹宁斯R·A·麦金利
Owner SANOFI AVENTIS DEUT GMBH