Abstract: The technology includes a device for mixing a liquid and a powdered substance in a vessel. The device includes a body having a planar surface with a grid that includes a plurality of openings and at least two elongated apertures arranged in a circumferential direction. The openings and the elongated apertures are co-planar, with the at least two elongated apertures having a cross-sectional area that is more than twice as large as a cross-sectional area of the openings of the grid. The mixing device further includes a plurality of connection portions that extend between the grid and the rim to mechanically connect the grid and the rim. The connection portions are arranged so that at least two apertures are defined between the rim and the periphery of the grid.

Abstract: The present invention relates to a device (1) for mixing of a liquid and a powdered substance in a bottle. The device comprises a body (2) including a grid (3) having a plurality of openings (4) and a rim (6) surrounding the grid. The device comprises at least two elongated apertures (8) arranged in different radial directions in relation to a central part (9) of the body, to allow a part of the liquid to pass through the device without passing through the openings of the grid, and each of the apertures has a cross-sectional area which is more than twice as large as the cross-sectional area of the openings of the grid.