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Medicament delivery device

A technology for delivery devices and drugs, applied in the direction of automatic injectors, infusion sets, syringes, etc., can solve the problems of inability to guarantee accuracy, and achieve the effect of simple manipulation scheme and easy sliding movement

Inactive Publication Date: 2012-05-02
SHL GRP AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This proves to be a drawback, especially when rather small doses of the drug are to be set, whereby the accuracy of the dose setting distance cannot be guaranteed

Method used

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Examples

Experimental program
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Effect test

no. 2 example

[0063] Still in the second embodiment, the gear mechanism is: a first cogwheel 32', rotatably arranged on said driver; a second cogwheel 31, rotatably arranged on said locking member; a third cogwheel a gear 33, coaxially and fixedly assigned to the second cogwheel 31 and also rotatably arranged on said locking member; a first longitudinally extending ratchet 34' in the on the longitudinal inner surface; and a second longitudinally extending ratchet 41' and a third longitudinally extending ratchet 43 on the longitudinal inner surface of the second elongated plate 40'; wherein said first cogwheel 32' matches arranged to interact with a first longitudinally extending ratchet 34' and with a second longitudinally extending ratchet 41', said second cogwheel 31 being arranged to interact with the first longitudinally extending ratchet 34', and Said third cogwheel is arranged to interact with a third longitudinally extending ratchet 43 .

[0064] like Figure 13 As shown, the drive...

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PUM

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Abstract

The present invention relates to a medicament delivery device comprising an elongated housing (10, 10') having opposite distal and proximal ends, a medicament container (18; 18') arranged inside said housing, a medicament delivery member (16; 16') attachable to said medicament container; a plunger rod (22; 22') arranged to act on a stopper (20; 20') inside said medicament container; driving means arranged to interact with said plunger rod; wherein said device further comprises an operation member (38; 38') transversally protruding through an elongated opening (39; 39') on the longitudinal surface of the elongated housing and interactively connected to the driving means for both setting and actuating the delivery of a dose of medicament.

Description

technical field [0001] The present invention relates to drug delivery devices and, in particular, to drug delivery devices capable of delivering multiple doses of drug. Background technique [0002] There are a variety of drug delivery devices on the market by which a user can set a dose of drug to be delivered. Furthermore, there are various devices capable of delivering multiple doses from a drug container until it is empty. In this regard, each dose may be on the same scale, ie a fixed dose scale, or each dose may be individually set prior to delivery. [0003] Most devices developed for this purpose are provided with a dose setting knob, usually arranged at the distal end of the device and intended to be turned or rotated to set the dose to be delivered. However, a rotational movement is not always optimal for some users, for example with reduced sensitivity. Thus, it may be difficult to set exactly the desired and prescribed dose if the precision of manual control is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/315
CPCA61M5/31558A61M5/3158A61M5/31578A61M5/31575A61M5/31536A61M2005/3152A61M5/31555A61M5/20
Inventor A.霍姆奎斯特
Owner SHL GRP AB
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