Cobetter Uses Filtration Technology to Fortify the Safety Defenses of Blood Purification

Blood Purification 

Blood purification is an advanced therapeutic method that selectively separates and removes harmful substances, metabolic wastes, or abnormal components from blood through extracorporeal circulation technology. It is widely used in critical care such as renal failure, drug poisoning, and autoimmune diseases. In the healthcare field, it is not only a key life-saving technology but also a "green channel" for patients when renal function fails or toxin accumulation endangers life. 

Hemodialysis 

As the core modality of blood purification, hemodialysis relies on the precise synergy between a hemodialysis machine and dialyzers (containing hollow fiber membranes), integrating the entire system of blood tubing, dialysate supply, monitoring, and alarms. During treatment, the patient's blood is drawn out of the body, precisely delivered to the dialyzer, and exchanges substances with the dialysate through diffusion and convection, to efficiently remove toxins like urea and creatinine. the purified blood is then safely returned to the body. Throughout the process, the dialysis machine strictly regulates parameters such as blood flow rate, pressure, and temperature to ensure safe, stable, and efficient treatment. 

Within this complex and precise system, filtration technology runs through every step—from the preparation of dialysate and the safeguarding of water treatment systems, to the sterile control of auxiliary consumables—each step bearing on patient safety. As a professional filtration solutions provider, Cobetter, with high-performance filter medias and rigorous validation systems, is deeply involved in the key processes of blood purification, providing reliable filtration protection for dialysate and dialyzer components, and fortifying the safety defenses of blood purification with filtration technology.

Cobetter's Solutions in the Spinning Production Line (Hollow Fiber Membranes for Dialyzers) 

Cobetter provides membrane contactors and metal filter elements to meet production process requirements.

Arrayforce™ Membrane Contactor

1）Purpose: 

Remove dissolved gases and reduce the risk of fiber breakage. 

2）Performance: 

① Cobetter membrane contactors have excellent degassing efficiency and effectively remove dissolved gases; 

② Large membrane area meets higher degassing demands while maintaining low pressure drop, with minimal impact on the system piping.

3）Degassing Efficiency & Pressure Drop Performance:

Metal Filter

1）Material: 

Made of sintered stainless steel felt, pleated and formed, with customizable length and area as required. 

2）Performance: 

① Porous depth filter medium 

② High dirt-holding capacity and long service life 

③ No fiber shedding 

④ Efficient filtration of spinning solution, stable long-term online use 

⑤ Corrosion-resistant, high-pressure resistant (maximum operating differential pressure typically 4 bar, optional 4–100 bar), and high-temperature resistant (maximum operating temperature 480°C) 

PTFE Waterproof Breathable Membrane for Hemodialysis Machine TP Sensor Protector

1）Performance: 

① Naturally hydrophobic, water-repellent but air-permeable, ideal for gas filtration 

② Good biocompatibility and broad chemical compatibility 

③ Limited tolerance to Gamma irradiation (25 kGy)

④ Withstands 100 kPa hold pressure for 10 min without leakage 

2）Parameters: 

Thickness: 330 ± 90 μm

Air permeability: ≤40s@100ml*1in²*4.88in.water 

Water breakthrough pressure: ≥300 kPa 

Dialysate Filtration – PP/PES Filter

PP filters are generally used for prefiltration; PES filters are generally used for sterile filtration. 

PP Filter 

1）Performance: 

① Consistent reliability in high filtration efficiency 

② Broad chemical compatibility, suitable for filtering various acids, alkalis, and solvents 

③ A range of precision grades from 0.1 μm to 70 μm meets diverse filtration applications 

2）Flow Characteristics:

PES Filter 

1）Performance:

① High flow rate and high throughput 

② Broad chemical compatibility, pH working range 1–14 

③ Good bacteria removal performance 

2）Flow Characteristics:

Every safe operation of blood purification depends on the precise protection of filters. 

Cobetter has been deeply engaged in filtration technology for two decades, transforming independent innovation into a solid backbone for the medical and healthcare sector, breaking through key material and process barriers to enable high-quality, highly reliable filtration products to benefit more patients. 

Looking ahead, Cobetter will continue to drive innovation in filtration technology, expanding its application in high-end medical scenarios such as blood purification and biopharmaceuticals, guarding life and health with precision filtration, and contributing solid Chinese strength to the high-quality development of the healthcare industry.