INDICATION MECHANISM FOR AN AUTOMATIC APPLICATOR, PARTICULARLY FOR INSULIN

摘要

The present disclosure concerns an indication mechanism for an automatic applicator, particularly for insulin or other liquid preparations, particularly for multiple injection administration of set doses of a medicine from an exchangeable container, for example for the self-application of insulin by diabetes patients. An indication mechanism for an automatic applicator, having an assembly of at least two barrels movably coupled to each other has an indication barrel mounted on the driving barrel contains only marking on its external surface and is co-axially connected to the pull-push control nut.

主权项

1. An automatic applicator for liquid pharmaceutical preparations, the applicator comprising:
an applicator housing; and an indication barrel movably mounted on a driving barrel, directly inside the applicator housing; wherein the indication barrel contains a dose scale on an external surface, in the form of spirally disposed indication numerals, to indicate the set dose at an inspection window fixed in the applicator housing; wherein the indication barrel is mounted slidingly, co-axially and lengthwise in the applicator housing between two end positions defining a working range of the indication barrel, by a splined coupling comprising a number of keys, directly on an external surface of the driving barrel; wherein the driving barrel is mounted rotatably within the applicator housing and is resiliently connected to a driving element with a helical spring and to a mechanism for medicine dose setting.