The present invention relates to a collection receptacle for collecting insoluble material that is used for preparing beverages by means of an infusion device, wherein the infusion device comprises a container with an open end and a closed end for holding the beverage and the insoluble material. A piston-filter arrangement can be inserted into the container via the open end and can be moved toward the closed end. The collection receptacle can be inserted into the container, and has an opening that is enclosed by an edge, and a first coupling element that can be coupled with a second coupling element of the piston-filter arrangement such that, in the coupled state, a distance is formed between the edge of the collection receptacle and the piston-filter arrangement. In addition, the invention relates to an infusion device with such a collection receptacle.