FILTER APPARATUS AND FILTER DEVICE FOR BIOLOGICAL SAMPLES Russian patent published in 2020 - IPC B01L3/00 

FIELD: manufacturing technology.

SUBSTANCE: according to at least one aspect, the invention relates to filter assembly (100) comprising a tubular housing and filter device (70) which can be arranged longitudinally within the housing. Filter device (70) comprises a meshed structure of crossed internal and external extended elements (18, 20). Meshed structure comprises arrangement of pores (22), and external extended elements (20) are provided outside filter device (70) relative to pore plane, thus providing ribs on the outer part of the mesh, which defines a shaped channel, which acts as a first level filter for larger particles. Outer extended elements have geometric shape and layout to provide one or more additional filter levels for smaller particles in front of said pores, through which even smaller particles can pass.

EFFECT: disclosed are a filter apparatus and a filter device for biological samples.

12 cl, 15 dwg