| CPC A61M 5/19 (2013.01) [A61J 1/2096 (2013.01); A61M 5/3129 (2013.01); A61J 1/201 (2015.05)] | 21 Claims |

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1. An arrangement, comprising:
a container holder having at least one lateral opening comprising at least two sections with constant but different angular dimensions, and a first section of the at least two sections with a first angular dimension is arranged distally with respect to a second section of the at least two sections with a second angular dimension that is greater than the first angular dimension; and
a medicament container received in the container holder, the medicament container comprising a needle at a distal end of the medicament container and comprising a flange at a proximal end of the medicament container,
wherein a distal stop at a distal end of the container holder abuts the medicament container.
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