Patent ID: 8741631

Claim:
A device for biological purposes such as cell culturing, enzymatic reactions or filtering of fluid wherein the device comprises a body having a first and a second surface defining a body thickness there between, and where said body is delimited by a rim; an aperture in the center of the body; said aperture being covered at the first and second surface by a first and second plate, where the first and/or second plate comprises an inlet orifice allowing liquid medium into the aperture; means for rotating; said means for rotating being arranged in the aperture between the first and second plate; said rim comprises at least one recessed portion; said recessed portion is a cavity in the rim of the body comprising a first outlet orifice allowing the liquid medium to flow out of the body; and a first wall delimiting said recessed portion along said cavity; at least one outlet channel connecting the aperture with the recessed portion; wherein the device further comprises an external means, where the external means engages with the recessed portions of the body and comprises an inlet opening and a second outlet opening and a fluid connection between said inlet opening and said second outlet opening; and wherein said external means is a three-dimensionally shaped element delimited by a second wall defining an exterior surface of said external means.