MINDRAY 115-021461-00 Exhalation Valve For SV600/SV800/SV350/E3/E5 Ventilator New Original

Mindray Exhalation Valve 115-021461-00

MINDRAY 115-021461-00 Exhalation Valve For SV600/SV800/SV350/E3/E5 Ventilator New Original

► Brief Description

The 115-021461-00 expiratory valve assembly is a precision-engineered component specifically designed for Mindray's SV600, SV800, SV350, E3, and E5 series ventilators. It is a proprietary component developed in strict accordance with Mindray's high standards for ventilator systems. Its core function is to precisely regulate flow and pressure during the expiratory phase, ensuring accurate tidal volume delivery and stable maintenance of positive end-expiratory pressure (PEEP).

The expiratory valve is the "throat" of the ventilator's airway system; its malfunction can lead to a series of serious clinical problems, and its proper functioning is the bottom line for ensuring patient safety. Therefore, regular replacement and maintenance are essential.

► Detailed Photos

► Design Features

• Precise Flow and Pressure Control: This valve assembly comprises multiple high-quality components, including the expiratory valve body, sealing ring, and connecting tubing, employing a high-sensitivity diaphragm and a precision calibration mechanism. This design enables it to respond quickly and accurately to ventilator commands, ensuring smooth carbon dioxide expulsion during patient exhalation, reducing respiratory effort, and significantly improving patient-ventilator synchrony.
• Biocompatible Materials: Constructed from medical-grade materials, it not only possesses excellent durability and sealing performance but also exhibits good chemical resistance, capable of withstanding repeated cleaning and disinfection with commonly used hospital disinfectants, ensuring long-term mechanical stability.
• Removable and Compatible Design: The assembly features a removable design, supporting overall high-temperature and high-pressure sterilization, significantly reducing the risk of cross-infection. Simultaneously, its design allows for seamless integration with the ventilator's expiratory flow rate and pressure sensors, avoiding sensor reading errors and false alarms caused by poor sealing.

► Importance

1. Preventing Carbon Dioxide Re-inhalation: A properly functioning expiratory valve ensures that exhaled air is completely expelled from the breathing circuit. If the valve leaks or becomes stuck, the patient may re-inhale carbon dioxide, leading to hypercapnia
2. Maintaining Accurate PEEP Levels: Stable PEEP is crucial for preventing alveolar collapse and improving oxygenation. Expiratory valve malfunction is a common cause of PEEP loss, which can lead to atelectasis and a sharp drop in the patient's blood oxygen saturation.
3. Ensuring the Accuracy of the Alarm System: Leaks or blockages in the valve will trigger high-priority alarms such as "expiratory valve malfunction" or "low minute ventilation."

► Maintenance

• Daily and Routine Inspections: Before each use, visually inspect the valve for cracks, damage, or deformation. Check the sealing surface for residue or dirt that may affect the sealing effect.

• Cleaning and Disinfection: After each patient's use, clean with a neutral detergent and warm water, then rinse thoroughly with pure water to remove any detergent residue.

• High-Temperature Autoclaving: This exhalation valve assembly supports complete high-temperature autoclaving. After sterilization, the assembly must be completely cooled and dried before reassembly or storage to prevent microbial growth.

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