1. A machine or device that performs dialysis, removing waste products and excess water from the blood of patients with kidney failure.
Usage: Also spelled 'dialyzer' in U.S. English; Medical/healthcare context
2. A semipermeable membrane or filter used in dialysis to separate waste substances from blood.
Usage: Technical/scientific context

Examples

• The patient spent four hours connected to the dialyser three times a week.
• Modern dialysers are more efficient at removing toxins than earlier models.
• The dialyser membrane must be carefully maintained to prevent infection.
• Nurses monitor the dialyser settings to ensure proper blood flow rates.
• A faulty dialyser can compromise the effectiveness of the entire treatment.
• The hospital invested in new dialysers to improve patient outcomes.