dialyzer
/'daiəlaizə/ Cách viết khác : (dialyzer) /'daiəlaizə/
Học thuậtThân thiện
Definition
- Noun:
- A medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes: A "dialyzer" is a device used in medical procedures, such as hemodialysis, to filter waste products, excess salts, and fluids from the blood when the kidneys are not functioning properly.
Usage Examples
- Noun:
- The hospital uses a modern dialyzer for its hemodialysis treatments.
- The technician prepared the dialyzer before connecting the patient to the dialysis machine.
Advanced Usage
- Technical Context: In nephrology, a "dialyzer" is often referred to as an "artificial kidney" due to its function of mimicking kidney filtration.
- The efficiency of a dialyzer is measured by its surface area and membrane permeability.
Variants and Related Words
- Dialyse (Verb, chiefly British English): To subject to dialysis; to separate by dialysis.
- The solution needs to be dialysed to remove impurities.
- Dialysate (Noun): The fluid that passes through the membrane of a dialyzer, containing the removed substances.
- The used dialysate is discarded after the treatment.
- Dialysis (Noun): The process of separating particles in a liquid solution, especially as a medical treatment.
- The patient undergoes dialysis three times a week.
Synonyms
- Hemodialyzer: Specifically refers to a dialyzer used for blood filtration.
- Artificial kidney: A descriptive synonym highlighting the device's function.
Related Phrases
- Hollow-fiber dialyzer: A common type of dialyzer where the semipermeable membrane is composed of thousands of tiny hollow fibers, providing a large surface area for filtration.
- Most modern clinics use hollow-fiber dialyzers.
Noun
- a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes