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Dialysis-Machine

Medical dialysis devices can be divided into two types: hemodialysis and peritoneal dialysis.

The dialysis system removing harmful substances from the body's fluids through a semi-permeable membrane, making it the most effective treatment for kidney failure.

Hemodialysis utilizes a dialysis machine to draw the patient's blood through a disposable tubing system into a dialyzer, where the dialysis process occurs before the blood is re-infused into the patient's body. CG series ultrasonic flow sensors/ flow meters can monitor the normal operation of the blood pump by measuring the flow rate in real-time and provide early warnings for any blockages or air bubbles in the tubing.

Similarly, when fully automatic peritoneal dialysis machines use peristaltic pumps to control the flow rate and volume of the dialysis solution, CG series ultrasonic flow sensors/flow meters can measure the flow rate of the peristaltic pumps to guarantee the normal operation of the peritoneal devices.

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Industry Challenges

Medical-grade Hygiene Standards

Dialysis treatment must maintain a highly sterile environment, and flow sensors / flow meters should not come into direct contact with blood and dialysis fluid.

01
High Reliability of Blood Pumps

The pumps used for peritoneal dialysis must exhibit extreme reliability and safety to ensure stable functionality throughout the treatment process.

02
Prevention of Tubing Blockages

The disposable tubing used during dialysis must avoid any blockages to prevent excessively high pressure that could harm the patient.

03

Application Overview

CG series clamp-on ultrasonic flow sensors/flow meters measure the blood flow rates in the dialysis machine in real time to ensure the safe operation of the blood purification process. The main application of the ultrasonic flow sensors is as follows.

CG series clamp-on ultrasonic flow sensors/flow meters can be directly clamped onto the outside of flexible plastic tubing, allowing for accurate and non-invasive dialysis flow measurement, avoiding contamination.

CG series clamp-on ultrasonic flow sensors/flow meters can detect the flow rates and directions of blood and dialysis fluid controlled by peristaltic pumps with high precision, providing timely alerts if pump malfunctions occur.

CG series clamp-on ultrasonic flow sensors/flow meters have integrated internal circuitry, eliminating external computing systems, and enabling flexible installation.

Application Highlights

Hygiene Requirements

CG series ultrasonic flow sensors/flow meters can be easily clamped onto the outside of the tubing, utilizing ultrasound signals to penetrate the tube wall and fluid for non-invasive measurement, ensuring that blood remains uncontaminated during measurement.
Real-time Measurement

Ensure accurate measurement of the blood and dialysis fluid flow rate and direction, detecting the discrepancies between the blood pump's set values and the actual blood flow rate, including monitoring impacts from negative pressure on pump functionality, effects of needle size and positioning on flow rate, as well as alterations in flow rates due to changes in the type of dialysis tubing. Such anomalies can be promptly detected by the high-accuracy ultrasonic flow sensors/flow meters.
Enhanced Safety

The CG series ultrasonic flow sensors/flow meters effectively monitor potential risks such as kinking, blockages, or bubble formation in the dialysis device, ensuring the safety of the treatment process.