Hemodialysis is a widely employed therapeutic treatment, with both in-center and home hemodialysis performed using dialysis machines. This important equipment comprises two distinct parts: a blood monitoring alarm system and a dialysate supply system.
The machine’s blood monitoring alarm system features a heparin pump, blood pump, arteriovenous pressure monitoring, and air monitoring. The dialysate supply system features a liquid preparation system, a conductivity monitoring system, a degassing system, temperature control, ultrafiltration monitoring, and blood leakage monitoring.
Understanding Hemodialysis
Qualified dialysis fluid is prepared from dialysis concentrate and dialysis water. This is done using the dialysis fluid supply system before the qualified fluid is passed through the hemodialyzer for solute diffusion, osmosis, and ultrafiltration with patients’ blood drawn from the blood monitoring alarm system.
Once this action has been performed, the patient's blood returns to their body via the blood monitoring alarm system. While this occurs, the dialysis liquid is discharged from the dialysis fluid supply system as a waste liquid. This is continuously circulated back and forth to complete the dialysis process.
Image Credit: Micro Sensor Co., Ltd
The Role of Pressure Sensors in Hemodialysis Equipment
Dialysate, arterial, and venous pressure must be accurately measured to ensure patient safety during dialysis treatment. Selecting pressure sensors for dialysis machines requires prioritizing patient safety, measurement precision, and material quality. These factors must all be considered to engender trust in the treatment process and ensure effective patient care.
Pressure sensors must accurately detect blood flow and fluid pressure to maintain them within the applicable range. Overpressure or underpressure scenarios must be avoided because they can adversely impact the effectiveness of the dialysis treatment.
Overpressure and underpressure scenarios can also cause blood vessel rupture or bubbles in the pipeline, potentially risking the patient's health.
The materials used in pressure sensors must be of the highest quality and fully biocompatible to maintain patient safety and minimize the risk of adverse reactions.
Pressure sensors should also offer a range of installation and sealing methods to ensure they are adaptable to various application locations.
Micro Sensor Pressure Sensor Solutions for Hemodialysis Equipment
Micro Sensors’ range of biocompatible pressure sensors includes the company’s MPM3801, MPM288SA, MPM288DI, and MPM281VC models.
Specifications
Pressure range: -1 Bar to 3.5 Bar, -1Bar to 10 Bar
Output signal: mV, 4-20 mA, 0.5-2.5 V, 0.5-4.5 V, 1 IC
Pressure connection: 0-ring sealed, 1/4" G, 1/4" NPT with other threads available
MPM3801. Image Credit: Micro Sensor Co., Ltd
MPM288SA. Image Credit: Micro Sensor Co., Ltd
MPM288DI. Image Credit: Micro Sensor Co., Ltd
MPM281VC. Image Credit: Micro Sensor Co., Ltd
Benefits
Micro Sensors’ range of biocompatible pressure sensors also offers an array of benefits, including:
- Compatibility with a range of electrical connections, including wires, ribbon wires with JST, or customized connectors
- A customized structure able to fit into the printer design
- No calibration and configuration requirements
- A compact size
- Fully titanium or SS316 construction
- Excellent long-term stability
Image Credit: Micro Sensor Co., Ltd
Micro Sensor offers a comprehensive portfolio of standard and custom-designed pressure sensors that are ideally suited for accurately measuring pressure in hemodialysis equipment.
The company’s pressure sensor features optional SS3L6L and titanium housing, making it fully compatible with the patient and the dialysate liquid and ensuring no risk of harm to the human body.
Micro Sensors’ professional research and development team can also offer tailored designs, accommodating customers' unique requirements around installation, sealing, size, and more.
Acknowledgments
Produced from materials originally authored by Micro Sensor Co.
This information has been sourced, reviewed and adapted from materials provided by Micro Sensor Co., Ltd.
For more information on this source, please visit Micro Sensor Co., Ltd.