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Device for injecting adjustable doses of liquid drug

An injection device, technology for liquid medicine, used in the direction of syringes, auto-injectors, hypodermic devices, etc.

Inactive Publication Date: 2013-08-28
NOVO NORDISK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Users may need to adjust the size of the intended dose

Method used

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  • Device for injecting adjustable doses of liquid drug
  • Device for injecting adjustable doses of liquid drug
  • Device for injecting adjustable doses of liquid drug

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] figure 1 a) and 1b) are respective central sectional views of the injection device 1 according to the first embodiment of the invention, wherein the depicted sectional views are made with an angular separation of 90 degrees by rotating the injection device 1 about the central longitudinal axis 3 .

[0039] The injection device 1 is shown in a ready or loaded state ready to deliver a dose of liquid medicament to a user or patient by self-administration. The injection device 1 comprises a tubular housing 20 , a cartridge 85 containing a volume of liquid medicament and an injection button 5 protruding axially from the tubular housing 5 . An injection needle (not shown) is attached to the distal end portion of the cartridge 85 for subcutaneously injecting predetermined doses of the liquid drug according to the dose size set by the user. A toothed elongated piston rod 30 is rigidly attached or coupled to a movable piston 70 via a piston base 65 . A movable piston 70 is a...

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PUM

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Abstract

The present invention relates to an injection device for administering doses of liquid drug. The injection device comprises a user operable dose adjustment structure configured to adjust, in a prepared state of the device, a dose of liquid drug of a first size to set a dose of a second size. The present injection device is particularly suitable for self- injection of liquid drugs such as insulin for treating diabetes by the user or patient.

Description

technical field [0001] The present invention relates to injection devices for administering liquid drug doses. The injection device is particularly suitable for self-injection of liquid medicines by users or patients, such as insulin for treating diabetes. Background technique [0002] In some therapeutic areas, the tendency of patients to adhere to prescribed treatments depends on the simplicity of specific treatment regimens. For example, many patients with type 2 diabetes are diagnosed at a relatively advanced age, at which point they are less susceptible to treatments that unduly affect their normal lifestyle. Most of these individuals do not like to be constantly brought up about their condition, and therefore do not wish to be involved in complicated treatment regimens or waste time learning to operate cumbersome delivery systems. [0003] Basically, people with diabetes need to record and minimize their blood sugar fluctuations. Insulin is a well-known glucose-lowe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/315
CPCA61M5/31553A61M5/31563A61M5/20A61M5/31578A61M5/3202A61M2005/202A61M5/3155
Inventor B.拉德梅C.P.恩格加尔德B.莫里德森M.F.佩特森L.U.尼伊森
Owner NOVO NORDISK AS
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