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Medicament delivery devices

A delivery device and drug delivery technology, which is applied to drug devices, other medical devices, hypodermic injection devices, etc., can solve problems such as insufficient drug administration, reduce the possibility of insufficient drug administration, and simplify the number of operations

Active Publication Date: 2014-09-03
SANOFI AVENTIS DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art devices described, the user still needs to prepare the device in advance after setting the cartridge
In addition, the device can suffer from under dose, especially when the cartridge is not properly seated in the device after insertion by the user

Method used

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  • Medicament delivery devices
  • Medicament delivery devices
  • Medicament delivery devices

Examples

Experimental program
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Embodiment Construction

[0029] exist figure 1 In the present invention, a drug delivery device 1 comprises a housing 2 having a display 3 for displaying functional operations related to operating the drug delivery device, said information including the set dose, the number of doses remaining in the cartridge. User interface buttons 4, 5 and 6 are provided to allow the user to operate the injector, including actuating, setting a dose, opening the cartridge holding portion and door 7 and starting to dispense the set dose. A threaded needle connection 8 is provided so that the needle can be connected for dose delivery and subsequently removed and discarded. A cover (not shown) may be provided to fit the lower portion of the housing 2 to assist in protecting the device from the ingress of particles and liquids. figure 2 The drug delivery device 1 is shown with the cartridge holding portion and door 7 in an open position for receiving a replaceable cartridge 9 .

[0030] image 3 The cartridge holding...

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PUM

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Abstract

A drug delivery device (1), including the shell (15); the main (7) for the holding of the pill (9) in the shell;, 27); Drivers, including engines used to provide output driving power to the piston to deliver drugs; and control tools for controlling the operation of the device.The device is also equipped with a plug sensor (31) that is used in the piston (25, 27) to contact with the plug (20) and the control tool that can be operated to push the driving force of the piston rod to the plug.

Description

technical field [0001] The present invention relates to drug delivery devices for delivering drugs into the human or animal body, and in particular to electronically controlled auto-injectors with replaceable cartridges. The device is commonly used by diabetics who are to be administered insulin. Background technique [0002] Drug delivery devices are often used by people without formal medical training, ie patients who are increasingly self-managing their conditions. These circumstances have created many demands for such drug delivery devices. The syringe should be solid in construction yet easy to use in terms of its handling by the user and handling of the parts. With diabetes, many users may be visually impaired and may also be physically debilitated. Devices that may prove to be too large or too awkward to handle may thus be difficult to use, especially for persons with reduced dexterity. [0003] US patent specification 5,989,221 describes an electronically control...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/145
CPCA61M5/14546A61M2205/14A61M5/31546A61M2005/31588A61M5/14566A61M5/20A61M5/31565A61M2205/3327
Inventor U.布鲁格曼C.兰格利C.琼斯S.普利斯
Owner SANOFI AVENTIS DEUT GMBH