Filter holder in a chromatography column

摘要

A filter holder to be used in a chromatography column is provided. Said filter holder comprising a filter squeezing part (356) facing the filter of the column essentially in the form of a plate and a squeezing means (354) adapted to squeeze the filter squeezing part (356) against the filter (204) to prevent any leakage of particulate medium from the bed space (209) of the column in between the filter holder and the filter (204). According to the invention said filter squeezing part (356) comprises at least one channel (338), providing fluid connections through the filter squeezing part (356) from the side of the filter squeezing part (356) facing the filter (204) and to the side of the filter squeezing part (356) facing the bed space (209).