SB-Kawasumi Laboratories (SBカワスミ株式会社, formerly Kawasumi Laboratories) is a medical device company. It manufactures disposable blood collection and transfusion sets, hemodialysis and plasmapheresis products, blood bags, and catheters. The company offers products in the areas of hemodialysis, plasmapheresis, blood banking and transfusion, infusion therapy, and endovascular repair.