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Pen injector with window element

A pen-type injector and orifice technology, applied in the direction of syringes, ampoule injectors, hypodermic injection devices, etc., can solve problems involving cost and complexity, and achieve the effect of eliminating play

Active Publication Date: 2017-06-09
SANOFI AVENTIS DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of adhesives and tapes needs to be carefully controlled in a production environment and can involve significant cost and complexity

Method used

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  • Pen injector with window element
  • Pen injector with window element
  • Pen injector with window element

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0098] figure 1 and 2 The housing 1 shown essentially comprises an outer shell 2 , a clamp in the form of an inner housing 3 and an insert 4 in the form of a magnifying lens or window. Said housing 2 is a tubular element with an orifice in the form of an elongated hole into which said insert 4 is placed. The orifice is formed in a side surface of the housing 2 . The outer dimensions of the insert 4 correspond to the shape of the opening in the housing 2 , so that the housing 2 is completely closed by the insert 4 . The housing has a proximal end ( figure 1 right-hand side in ) and the opposite distal end.

[0099] The inner housing 3 is a stepped tubular element with a collar 5 on the distal side having the same outer diameter as the outer diameter of the outer shell 2, so that the collar 5 of the inner housing 3 forms a housing 1 part of the outer surface. The inner housing 3 also comprises an engagement area having an outer diameter corresponding to the inner diameter ...

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PUM

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Abstract

The invention is directed to a housing (1) for a drug delivery device. The housing (1) includes a housing (2) having an aperture, an insert (4) received in the aperture and a clamping component (3) mounted to the housing (2). The insert (4) has at least one recess (11) which is engaged by a lug (13) of the clamping piece (3) to hold the insert (4) in place. Within the opening of the housing (2). The invention is also directed to a pen injector having such a housing (1).

Description

technical field [0001] The invention is directed to a housing for a drug delivery device. The invention also relates to a pen injector having such a housing. The housing may include a housing having an aperture, an insert received within the aperture, and additional elements mounted to the housing. Preferably, the additional element is a clip that snaps into place or latches within the housing. Background technique [0002] For example, in a pen injector or other drug delivery device, the housing may be any outer housing, such as a main housing or body; or any inner housing, such as an insert or an inner body. Typically, the housing is designed to enable safe, correct and comfortable operation of either the drug delivery device or its mechanism. Generally, the housing is designed to contain, secure, protect, guide and / or engage any internal components of the drug delivery device, such as the drive mechanism, cartridge, Plungers, piston rods, etc. In general, the housing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/24A61M5/31A61M5/142
CPCA61M5/142A61M5/3129A61M2005/3126A61M2205/583A61M2205/585A61M2207/00A61M5/24A61M2005/3125A61M5/31A61M2205/19
Inventor T·F·奥斯曼
Owner SANOFI AVENTIS DEUT GMBH