0.2 Micron Hydrophobic PTFE Membrane for Transducer Protector Factory Direct

Transducer protectors are essential components for hemodialysis equipment, they play an important role in ensuring both patient safety and equipment longevity during hemodialysis treatments.

A transducer protector generally consists of two components sealed around a filtering hydrophobic membrane, which acts as a sterile barrier. The hydrophobic membrane, specifically crafted with a pore size of 0.2 micron, is commonly made from polytetrafluoroethylene (PTFE). The PTFE laminated membrane filter offers a unique set of properties that make it ideal for this application.

Barrier to water vapor, blood and other liquids

The hydrophobic nature of the PTFE material ensures that water vapor, blood and other liquids cannot penetrate through the membrane in controlled pressure, which makes the TP filter device an effective barrier to prevent any potential damage to the sensitive transducer, shielding the dialysis equipment and patients from risks of contamination by infected blood.

And one important reason why hydrophobic PTFE membrane filter is widely accepted as the filter media for transducer protector is because of its outstanding performance to withstand Water Breakthrough (WBT) Pressure. Water breakthrough pressure is the pressure at which water penetrates and passes through a hydrophobic porous material. This test is typically performed by placing water on one side of the membrane filter and gradually increasing the pressure until the water is forced through the filter. When selecting a hydrophobic membrane device for an application where the device needs to act as a water or liquid barrier, you must ensure the WBT pressure rating of the device is higher than the maximum system pressure the device will be exposed to. This will ensure the filter device is capable of preventing liquid from passing beyond the point where the filter is installed.

Optimal balance between air flow and air filtration 

This meticulously designed 0.2μm PTFE membrane from us strikes an optimal balance between two critical performances: air flow and air filtration (particle and bacterial retention capabilities). The 0.2-micron PTFE membrane we offer allows for adequate airflow through the membrane to facilitate proper ventilation and ensure stable operation. At the same time, the micro pore structure of PTFE membrane could retain bacteria, aerosolized particles and other microorganisms with 99.9% efficiency, thereby safeguarding against biofilm formation, preventing any potential introduction of harmful contaminants into the bloodstream, ensuring the purity of the dialysate solution, reducing the risk of infections that could compromise patient health or equipment functionality. 

By integrating these two functions—effective barrier protection and necessary airflow—the transducer protector with 0.2-micron hydrophobic PTFE membrane delivers the best possible protection to everyone involved in the hemodialysis treatment. This includes not only the patient undergoing hemodialysis who benefits from reduced risk of infection, but also the healthcare professionals administering the therapy, who can perform their duties with confidence in the equipment's ability involved in the process to maintain a sterile environment. The result is a more reliable and efficient dialysis experience, minimizing downtime due to equipment failure and contributing to improved overall outcomes for individuals relying on this life-saving treatment.

The hydrophobic PTFE membrane filter is designed and manufactured in such a way that they can be used safely in many medical filter devices that would require a filtering hydrophobic membrane to act as a sterile barrier, including but not limited to.

● Transducer Protector 

● EtCO2 Filter ( Capno Sampling Line Filter)

● Bacterial filters 

● Medical Breathing filters 

● Ventilator Filters for Breathing Systems

● Single-Use Vent Filter

● Handle with care to avoid damaging the filter material. 

● Sterilization by irradiation is not recommended. 

● Do not use glue or cyclohexanone for joining with housing as it will clog the material itself, preventing gas from passing through. 

● Avoid contact with alcohol or highly permeable solvents, otherwise, the material will become hydrophilic before it fully dries.