Medicament delivery device

一种输送装置、药物的技术，应用在输液器、皮下注射器械、自动注射器等方向，能够解决高制造和组装成本、稀少等问题，达到便宜安全装置、便宜制造和组装、消除部件和输送药物动作的效果

Active Publication Date: 2015-04-08
SHL MEDICAL AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The user can then easily remove the device from the delivery site, resulting in the drug not being delivered intact to the patient
To ensure complete and accurate drug delivery, all parts or components of the device must be manufactured to very tight tolerances, resulting in high manufacturing and assembly costs
Even bearing in mind that drug containers must be manufactured to such tight tolerances, this is rare

Method used

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  • Medicament delivery device
  • Medicament delivery device
  • Medicament delivery device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] In this application, when the term "distal part / end" is used, this refers to the part / end of the delivery device or its components which is located furthest away from the drug delivery site of the patient. Accordingly, when the term "proximal portion / end" is used, this refers to the portion / end of the delivery device or its components that is located closest to the site of drug delivery to the patient.

[0038] A drug delivery device according to the invention comprises a housing 20 having a distal end 12 and a proximal end 11 and extending along a longitudinal axis 21, said housing being adapted to receive a delivery member 61 or a connectable delivery member for delivery A drug container for the drug; a drive mechanism arranged to act on the drug container for providing automatic delivery of the drug; a hold and release mechanism interactively connected to the drive mechanism for maintaining the drive mechanism in a pre-tensioned state; An offset delivery member cover...

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PUM

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Abstract

A medicament delivery device wherein a drive mechanism comprises a first resilient member 91 and a delay plunger rod assembly; wherein the delay plunger rod assembly comprises a proximal plunger 96, a distal plunger 90, a chamber 95 formed between the proximal and the distal plungers, an aperture, and delay means contained within the chamber; the distal plunger being positioned and configured in relation to a hold and release mechanism such that, as the drive mechanism exerts a pressure on the medicament container, the distal plunger acts against the delay means whereby a release of a signal generating member is delayed after the release of the drive mechanism to allow remaining contents of medicament in a medicament container to be completely expelled before the signal generating member is released.

Description

technical field [0001] The present invention relates to a drug delivery device and in particular to an accurate and reliable automatic drug delivery device which provides complete drug delivery followed by providing the user with a reliable audible and / or tactile and / or Visual confirmation. Background technique [0002] Many drug delivery devices have developed self-administration, ie the user performs the drug delivery herself or himself. This requires drug delivery devices to be reliable, accurate, safe and easy to use. In order to meet these requirements, the risk of human error must be minimized, the number of actions that need to be performed in order to receive a dose needs to be reduced, and the device must be intuitive to use. Therefore, in order to minimize the risk of human error, it is desirable to have means that provide the user with accurate confirmation that he / she has received a complete dose of medication. [0003] Drug delivery devices, such as injection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/20A61M5/315
CPCA61M2005/2086A61M5/2033A61M5/3157A61M2005/206A61M2005/2013
Inventor L.布鲁恩伯格S.奥尔森
Owner SHL MEDICAL AG
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