Injection device having a dosing mechanism for limiting a dose setting

A technology for injection equipment and dose setting, which is applied in the direction of syringes, auto-injectors, ampoule syringes, etc., and can solve the problem of less products
CN102802702AActive Publication Date: 2012-11-28YPSOMED AG
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
YPSOMED AG
Publication Date
2012-11-28

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Abstract

The invention relates to an injection device comprising: a) a dose setting element (9; 10; 7; 4) and a first element (13) coupled thereto, which first element can be rotated relative to another second element (2; 5; 100) during a dose setting and is rotationally fixed relative to the second element (2; 5; 100) during a dose discharge, wherein the first element (13) and the second element (2; 5; 100) are coupled by means of a coupling element (30), and b) a stop (7b; 100a), wherein the coupling element (30) moves to a stop position during a dose setting, wherein the coupling element (30) in the stop position prevents the setting of a dose.
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Description

technical field

[0001] The invention relates to a mechanism for an injection device that prevents a dose being set beyond the amount of product to be administered in a product container of the injection device. The product to be administered may eg be liquid medicine, especially insulin. Background technique

[0002] Dosing mechanisms for injection devices are known in the prior art which prevent doses from being set beyond the amount of medicament in the reservoir of the injection device. Such devices generally have the problem that they take up a considerable amount of space in injection devices, however the market demands manageable injection devices.

[0003] Using injection devices known in the art, a dose can be set using the dose setting mechanism and then delivered from the product container. It may happen that a larger dose has been set with the dose setting element than can be delivered from the product container, eg because the product container contains less do...

Claims

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