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Dispense interface

A distribution interface and inlet opening technology, which is applied in the direction of instruments, other medical devices, hypodermic injection devices, etc., can solve the problem that the distribution interface needs to be processed, and achieve material compatibility and cross-contamination, easy to use and multiple use Effect

Inactive Publication Date: 2015-01-07
SANOFI AVENTIS DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a clear disadvantage of the single-use dispense interface is that the used dispense interface needs to be disposed of after each ejection procedure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0073] figure 1 The illustrated expulsion device in the form of a drug delivery device comprises a body 14 extending from a proximal end 16 to a distal end 15 . At the distal end 15 a removable end cap or cover 18 is provided. This end cap 18 cooperates with the distal end 15 of the body 14 to provide a snap fit or form fit connection such that once the cover 18 is slid onto the distal end 15 of the body 14, the This friction fit prevents the cover from accidentally falling off the body.

[0074] The main body 14 houses a microprocessor control unit, an electromechanical drive mechanism and at least two medicament reservoirs. When the end cap or cover 18 is removed from the device 10 (as figure 1 shown), the dispense interface 200 is mounted to the distal end 15 of the body 14, and then a dose dispenser (eg, a needle assembly) can be attached to the interface. Drug delivery device 10 may be used to deliver calculated doses of a second medicament (secondary drug compound) a...

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PUM

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Abstract

The invention relates to a dispense interface (500, 600) comprising a body (502, 602) comprising at least a first channel structure (504, 608) and a second channel structure (506), wherein each of the at least two channel structures (504, 506, 608) comprises at least a first inlet channel (508, 512, 610) comprising a first inlet opening (516, 614) and a second inlet channel (510, 514, 612) comprising a second inlet opening (518, 522, 616), wherein each of the at least two inlet openings (510, 514, 518, 522, 612, 616) of one channel structure (504, 506, 608) is configured for fluid communication with a respective reservoir (90, 100) of at least two reservoirs (90, 100) and wherein at least one connecting channel (534, 622) configured for a fluid communication between at least one outlet opening (536, 624) and one of the at least two channel structures (504, 06, 608) is provided.

Description

technical field [0001] The present patent application relates to a discharge device, such as a medical device, for delivering at least two liquids, such as liquid medicaments, from separate reservoirs. Such a pharmaceutical formulation may include a first agent and a second agent. The medical device includes a dose setting mechanism for automatic or manual delivery of a pharmaceutical agent by a user. [0002] The medical device may be an injector, such as a hand-held injector, especially a pen injector, which is the type of injector that provides administration by injection of a medicinal product from one or more multi-dose cartridges. In particular, the present invention relates to such user-settable dose syringes. Background technique [0003] A pharmaceutical formulation may be contained in two or more multi-dose reservoirs, containers or packs, each containing individual (single drug compound) or premixed (multiple drug compounds formulated in combination) Pharmaceut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/19A61M5/315A61M5/14A61M5/168A61M39/22
CPCA61M39/223A61M5/31596A61M5/1407A61M5/16827A61M5/19A61M5/3294A61M5/329A61M2005/3128
Inventor F·劳盖尔C·波帕B·英庇A·麦克劳德
Owner SANOFI AVENTIS DEUT GMBH
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