BasicLine Transfusion Transfusion chairs for blood donation and plasmapheresis. Description: Designed with a modern outlook, materials of high quality, fabulous finishing of the upholstery, state-of-the-art mechanical and electronic components underline the high standard of this transfusion chair. Available in a variety of color combinations fit in just perfectly into any desired environment. The adjustment of transfusion armrest with respect to height, horizontal direction, and angle provides optimal positioning of donor’s arm during blood donation.