INJECTION DEVICE

摘要

An injection device includes a housing having a receptacle for a vessel for holding injection fluid; an operator-manipulated element for setting an injection dose; a dosing member rotatable about a longitudinal center axis relative to the housing when setting the injection dose; a feed part; and, a latching unit acting between the feed part and housing. The dosing member has a zero position whereat no dose is set and an injection position whereat an intended dose of injection fluid is set. A spring acts between the dosing member and the housing to return the dosing member from an intermediate position to the injection position or a zero position.

主权项

1. An injection device defining a longitudinal center axis and comprising:
a housing having a receptacle formed therein for a vessel for holding injection fluid; an operator-manipulated element for setting an injection dose; a dosing member configured to be rotated about said longitudinal center axis relative to said housing when setting the injection dose; said dosing member having a zero position whereat no dose is set and at least one injection position whereat an intended dose of injection fluid is set; a feed part; a latching unit configured to act between said feed part and said housing; said feed part being rotatable about said longitudinal center axis for setting an injection dose; said feed part further being connected to said dosing member in a rotationally fixed manner so as to rotate therewith during the setting of the injection dose; said housing having at least one longitudinal rib; said feed part being configured to move in the direction of said longitudinal center axis with respect to said housing during an ejection of the dose and to be guided on said at least one longitudinal rib; said latching unit having at least one latching element being formed on said longitudinal rib; said latching unit including at least one latching position corresponding to said injection position; said dosing member being positionable in at least one intermediate position whereat no intended dose of injection fluid is set; and, a spring configured to act between said dosing member and said housing so as to return said dosing member, when the operator-manipulated element is unactuated, from said intermediate position to said at least one injection position or said zero position.