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Covidien Puritan Bennett 840 PB840 Expiratory Bacterial Filter and Inspiratory filter expiratory filter and collector vial 4-023723-00
► Brief Introduction
The Covidien Puritan Bennett 840 Expiratory Bacterial Filter and Inspiratory Filter 4-023723-00 are filters used in the ventilation circuit of a medical ventilator. These filters are designed to filter out bacteria from the patient's exhaled air (expiratory filter) and the incoming air (inspiratory filter).
The expiratory bacterial filter is placed between the endotracheal tube or tracheostomy tube and the ventilator circuit, filtering the exhaled air before it reaches the ventilator. This helps prevent the spread of bacteria and other pathogens from the patient to the healthcare provider or other patients.
The inspiratory filter is placed on the inspiratory limb of the ventilator circuit, filtering the air before it enters the patient's lungs. This helps maintain a clean and sterile airflow to reduce the risk of infection and contamination.
► Features
Bacterial filtration: These filters are designed to remove bacteria and other microorganisms from the air, preventing contamination and the spread of infections.
High filtration efficiency: The filters have a high efficiency rate in filtering out particles and microorganisms, ensuring clean and safe air for patients.
Low resistance to airflow: The filters are designed to provide minimal resistance to the airflow, so as not to impede the functioning of the ventilator and to ensure efficient oxygenation and ventilation of the patient.
Disposable: The expiratory bacterial filter and inspiratory filter are disposable, meaning they are intended for single-use and should be replaced regularly to maintain their effectiveness.
► How to use
Locate the inspiratory and expiratory ports on the ventilator. These are usually labeled on the machine or indicated in the user manual. The inspiratory port is where the inspiratory filter will be connected, and the expiratory port is where the expiratory bacterial filter will be connected.
Remove the protective caps from both ends of the filters, taking care not to touch the filter membrane itself.
Attach the Inspiratory filter 4-023723-00 to the inspiratory port of the ventilator. Align the connector of the filter with the port and push it firmly until it is securely attached. Ensure that it is tightly fitted to prevent any air leakage.
Inspect the filters to ensure they are properly connected and there are no gaps or loose fittings.
Start the ventilator according to the manufacturer's instructions. The filters will now be in place to provide filtration and prevent the spread of bacteria and viruses during ventilation.
► How to install the expiratory filter and collector vial
| Item | Description |
| 1 | Pull latch up to install filter, pull down to hold filter and collector vial in place |
| 2 | Slide the filter rim onto these tracks |
| 3 | Filter housing area |
| 4 | Expiratory filter |
| 5 | Expiratory limb connection (from patient) |
| 6 | Collector vial |
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