Hemodialysis uses a special filter called a dialyzer that functions as an artificial kidney to clean your blood. The dialyzer is a canister connected to the hemodialysis machine.
seat noun (FURNITURE) A2 [ C ] a piece of furniture or part of a train, plane, etc. that has been designed for someone to sit on: Chairs, sofas and benches are different types of seat. Please have/take a seat (= sit down). A car usually has a driver's seat, a front/passenger seat and back/rear seats.
1 A movie theatre accommodating 200 people is an example of to seat. 2  the manner of sitting, as on horseback. 3  a place or space to sit, or the right to such a place, esp. as evidenced by a ticket: to buy two seats to the opera.  a thing to sit on; chair, bench, stool, etc.