The kidneys are responsible for filtering and removing waste products from the blood. Hemodialysis is used for those with severe kidney disease to aid their filtering process. Blood is pumped out of the body and into the machine, where it passes through a network of small filtering tubes that simulate a human kidney.
A number of critical sensors are required for hemodialysis to be effective, including the blood leak detector. Different sensors are required for accurate monitoring of liquid flow, pressure, and temperature in both the patient’s blood and the circulating dialysate. They also allow for rapid detection of air bubbles present in either of the fluids.
Principles of Hemodialysis: Mechanical and Safety Monitors
The non-invasive blood leak detector is a key component of many modern-day hemodialysis machines. It functions to detect minute amounts of blood in clear fluids on plastic tubing to identify any blood leaks in the dialasyste line.
This mini blood component detector uses a light source with an optimum wavelength. If the blood traveling through the tubing of the dialysis machine exceeds this threshold, an alarm is triggered. This optical-based system is important to identify unwanted elements in the blood or dialysate to ensure maximum safety during hemodialysis.
Waste materials and fluid are able to pass through the membranes of the tubing into the dialysate, a clear fluid that flows in the opposite direction on the outside of the tubes. The filtered blood then travels back into the body.
Although complications with dialysis are rare, the blood leak detector is a major safety mechanism that every dialyzer machine requires. When small fractures of blood are present in the dialysate, it indicates a small membrane rupture in one of the tubes. This can be life-threatening to the patient, as a contaminated fluid may come into contact with the circulating blood.
The safety of dialyzers can be attributed to the incredible critical sensors and detectors that ensure the blood and dialysate are kept apart at all times. Contact Introtek to learn more.