The ornamental design for a trigger for a medicalinjector, as shown and described.
FIG. 1 is a perspective view of the trigger viewed from the front and left of and above the medical injector trigger and with the trigger in the raised cocked position;
FIG. 2 is a left side view of the trigger with the trigger in the raised cocked position;
FIG. 3 is a left side view of the trigger with the trigger in the lowered fired position;
FIG. 4 is top plan view of the trigger with the trigger in the lowered fired position;
FIG. 5 is a rear elevation view of the trigger with the trigger in the raised cocked position; and,
FIG. 6 is a rear elevation view of the trigger with the trigger in the lowered fired position.
The broken line showing is for the purpose of illustrating portions of the article and forms no part of the claimed design. The broken line which defines the bounds of the claimed invention forms no part of the claimed design.
The right side view is the same as the left side view and the bottom view is not shown because the trigger is not visible.