Heat Moisture Exchanger Filter HMEF

Heat Moisture Exchanger Filter (HMEF, artificial nose) is equipped with an electrostatic filter as a medium constructed of permanently bipolar-charged rectangular split fibers, which are able to capture airborne particles. The nature of this fiber material provides good strength and guarantees a long service life without significant degradation. This type of filter is recommended for applications where high-efficiency and low-pressure drops are required for mechanically ventilated patients. It offers efficiency for anesthesia breathing filters and pulmonary function filters.

Manufacturer of over 10 years experience, supply capacity of over 300000pcs/month.

+86-0574-66668898 [email protected] +86-13655810970 Contact Us

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FEATURES AND BENEFITS

● Bacterial and viral filters ideally have filtration efficiency >99.9%.

● humidification efficiency >30mg.H2O/L.

● Standard 22/15 mm connectors.

● Best used in patients with few secretions, who are not hypothermic, do not have large air leaks, and do not have high airway resistance.

Electrostatic	Item No.	Item No.	Item No.	Item No.
Electrostatic	Yhmef-001	Yhmef-002	Yhmef-003	Yhmef-004
Type	Adult	Adult	Adult	Child
Filtration Efficiency (%)	99.999%@0.5Microns	99.999%@0.5Microns	99.999%@0.5Microns	99.999%@0.5Microns
Resistance (Pa)	140pa @ 30LPM	<300PA @ 30LPM	<300PA @ 30LPM	<300PA @ 30LPM
Connector	22M/15F-22F/15M	22M/15F-22F/15M	22M/15F-22F/15M	22M/15F-22F/15M
Dead Space	19ml	60ml	60ml	30ml
Weight	30.6g	29g	30g	22g
Tidal Voiume	100-1500ml	200 - 1500ml	200 - 1500ml	90 - 900ml

About Us

Ningbo Yuxin Medical Instruments Co., Ltd. was founded in 2019 and is located in Yuyao, a beautiful historical and cultural city in Zhejiang Province. It is a high-tech enterprise specializing in the production of anesthesia respiratory consumables and gynecological products. As China Heat Moisture Exchanger Filter Manufacturers and China HMEF Suppliers, the company's main products include: medical laryngeal masks (silica gel single chamber Laryngeal mask, silicone double-lumen laryngeal mask, PVC laryngeal mask); endotracheal intubation (double-lumen bronchial intubation, visual double-lumen bronchial intubation, PVC endotracheal intubation, visual PVC endotracheal intubation, silicone endotracheal intubation) ; Nasopharyngeal airway, oropharyngeal airway; heat and moisture exchange filter, respiratory filter, respiratory extension tube, closed sputum suction tube; cervical dilation balloon, balloon stent, uterine cold filling balloon: and other OEM Customized silicone and plastic accessories. The company has a 100,000-level standard clean workshop, equipped with advanced production equipment such as silicone injection molding machines, flat vulcanizers, plastic extruders, and plastic injection molding machines. At the same time, the company is equipped with a 10,000-level laboratory with various professional testing equipment. . At present, the company's system has passed the IS013485 quality system certification. The company's products have obtained 8 domestic first-class preparation certificates and 5 second-class registration certificates, and are about to obtain EU MDR certification. The company wholeheartedly welcomes new and old customers at home and abroad to negotiate business, let us work together to create a better future!

Honor

Medical Device Registration Certificate of the People's Republic of China
Medical Device Registration Certificate of the People's Republic of China
Medical Device Registration Certificate of the People's Republic of China
Medical Device Registration Certificate of the People's Republic of China
Quality Management System Certification
Quality Management System Certification

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Heat Moisture Exchanger Filter HMEF

Design and Functionality of Heat Moisture Exchanger Filters (HMEF)

Heat Moisture Exchanger Filters (HMEF) are specialized devices integral to modern respiratory care, particularly for patients requiring mechanical ventilation. The primary function of HMEFs is to capture and retain the heat and moisture from exhaled air, redistributing it to the inhaled air. This crucial process prevents airway dehydration, maintains optimal humidity levels, and enhances patient comfort during respiratory support.

The design of HMEFs is grounded in principles of thermodynamics and fluid mechanics. These filters are typically composed of a hygroscopic material that facilitates moisture retention and thermal regulation. The materials used in HMEFs must exhibit low resistance to airflow to ensure efficient gas exchange while providing adequate filtration capabilities. Ningbo Yuxin Medical Instruments Co., Ltd. employs advanced materials in the production of their HMEFs, including specially designed polymers that are both lightweight and robust. This ensures that the filters can withstand the demands of clinical environments while maintaining performance integrity. The unique design also incorporates features that enhance the surface area, allowing for greater heat and moisture exchange without significantly increasing the size of the device.

The primary mechanism of HMEFs revolves around the principles of condensation and evaporation. When a patient exhales, the warm, moist air comes into contact with the cooler surfaces of the filter. The heat from the exhaled air is absorbed by the filter's material, while the moisture condenses on the filter's surface. During inhalation, this heat and moisture are then transferred back to the incoming air, warming and humidifying it before it reaches the patient’s lungs. The effectiveness of an HMEF is often quantified through its ability to retain moisture, which is typically measured in terms of its efficiency (often expressed as a percentage). High-quality HMEFs, such as those manufactured by Ningbo Yuxin Medical Instruments Co., Ltd., can achieve moisture retention efficiencies of up to 80% or more, significantly improving patient outcomes.

The design of HMEFs not only focuses on functional efficacy but also emphasizes safety and convenience. One of the critical advantages of contemporary HMEF design is the incorporation of integrated bacterial and viral filtration capabilities. This feature helps prevent the transmission of infections during mechanical ventilation, addressing a significant concern in clinical settings. The materials used are engineered to provide high filtration efficiency while being biocompatible, reducing the risk of adverse reactions in patients. The compact design of HMEFs allows for easy integration into various ventilatory circuits without adding excessive bulk. This aspect is particularly beneficial in intensive care settings where space and mobility are often limited. The lightweight nature of these filters, as developed by Ningbo Yuxin Medical Instruments Co., Ltd., ensures they do not interfere with the functionality of ventilators or impede patient movement.

In addition to clinical efficacy, user-centric design features are paramount in the development of HMEFs. Easy attachment and detachment mechanisms are essential for healthcare professionals working under high-pressure situations. Ningbo Yuxin Medical Instruments Co., Ltd. designs their HMEFs with intuitive connectors that facilitate rapid changes, ensuring that healthcare providers can focus on patient care rather than complex equipment handling. The visibility of the filter’s condition is a crucial design element. Some HMEFs feature clear sections or indicators that allow healthcare providers to monitor moisture buildup and filter saturation. This real-time assessment capability helps ensure optimal functioning and timely replacement, contributing to patient safety and comfort.

The functional design of HMEFs has a direct impact on patient outcomes. By effectively regulating the temperature and humidity of inspired air, HMEFs help to prevent complications associated with mechanical ventilation, such as ventilator-associated pneumonia (VAP) and airway irritation. The design ensures that the air delivered to the lungs closely mimics the natural conditions of unassisted breathing, which is vital for maintaining mucosal health. Ningbo Yuxin Medical Instruments Co., Ltd. prioritizes research and development to continually enhance the design and functionality of their HMEFs. Ongoing studies and feedback from clinical applications guide improvements, ensuring their products meet the evolving needs of healthcare professionals and patients alike.

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