Cobe Centry 2 and Centry 2Rx hemodialysis units.
D004867:Equipment Design; D004868:Equipment Failure; D004869:Equipment Safety; D006361:Heating / Q000295:instrumentation*; D006801:Humans; D011358:Product Surveillance, Postmarketing; D006435:Renal Dialysis / Q000295:instrumentation*