Description
Leukocyte Reduction Filters are medical devices designed to remove white blood cells (leukocytes) from blood components during transfusions. White blood cells, while essential for immune defence, can cause adverse reactions in recipients, such as febrile non-haemolytic transfusion reactions (FNHTRs), alloimmunization, and graft-versus-host disease (GVHD).
The filtration process involves passing the blood through a filter that captures leukocytes while allowing red blood cells, platelets, and plasma to pass through. This is achieved through mechanisms like mechanical entrapment and physical-chemical adhesion.
Healthcare professionals typically apply these filters during the transfusion process, ensuring that the blood components administered are leukocyte-reduced, thereby enhancing patient safety and reducing the risk of transfusion-related complications.
Features & Benefits
Features
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High Leukocyte Removal Efficiency: Capable of removing over 99.99% of leukocytes, significantly reducing the risk of adverse transfusion reactions.
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Preservation of Blood Components: Maintains the integrity and functionality of red blood cells, platelets, and plasma.
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Sterility Assurance: Filters are sterilised using gamma radiation, ensuring a sterile product.
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Compatibility: Suitable for various blood components, including red blood cells, platelets, and whole blood.
Benefits
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Reduced Risk of FNHTRs: Minimises the occurrence of fever and chills during transfusions.
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Prevention of Alloimmunization: Decreases the likelihood of the recipient’s immune system developing antibodies against transfused blood.
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Lower Incidence of GVHD: Particularly important for immunocompromised patients, reducing the risk of donor lymphocytes attacking the recipient’s tissues.
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Enhanced Infection Control: Reduces the potential for transmitting infections via transfused blood.
Instructions for Use
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Preparation: Ensure that the leukocyte reduction filter is sterile and within its expiration date.
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Connection: Attach the filter to the blood bag or transfusion line as per the manufacturer’s guidelines.
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Filtration: Allow the blood to pass through the filter under gravity or with minimal pressure, depending on the device specifications.
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Completion: Once the filtration is complete, disconnect the filter and proceed with the transfusion.
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Disposal: Dispose of the used filter according to hospital protocols for medical waste.
Comparison Table: Leukocyte Reduction Filter vs. Alternative Products
| Feature | Leukocyte Reduction Filter | Alternative Products (e.g., Non-leukoreduced Blood) |
|---|---|---|
| Leukocyte Removal Efficiency | >99.99% | <10% |
| Risk of FNHTRs | Low | High |
| Risk of Alloimmunization | Low | High |
| Risk of GVHD | Low | High |
| Infection Control | Enhanced | Standard |
| Cost | Higher | Lower |
Specification Sheet
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Material: Biocompatible polyester
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Sterilisation Method: Gamma radiation
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Leukocyte Removal Efficiency: >99.99%
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Compatibility: Red blood cells, platelets, whole blood
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Flow Rate: High maximum flow rate
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Packaging: CE marked, multilingual packaging
Frequently Asked Questions (FAQs)
Q1: What is the primary purpose of a leukocyte reduction filter?
A1: The primary purpose is to remove white blood cells from blood components to reduce the risk of transfusion-related complications.
Q2: Can these filters be used for all blood components?
A2: Yes, they are suitable for red blood cells, platelets, and whole blood.
Q3: How often should the filters be replaced?
A3: Filters are single-use devices and should be replaced after each application to maintain sterility and effectiveness.
Q4: Are there any side effects associated with using these filters?
A4: When used correctly, leukocyte reduction filters are safe and do not cause adverse effects.
Q5: Why is the blue filter needed as old models may not have one?
A5:Key Features of the Filter
Blue Circular Housing (Central Filter Unit)
This houses the leukocyte reduction filter media, designed to remove 99.9% of white blood cells (leukocytes) from blood products.
High-Efficiency Filtration Media
Engineered to remove leukocytes by mechanical retention, electrostatic attraction, and adhesive surface binding.
Integrated Flow Path with Visual Monitoring
The blue casing allows easy visual verification of flow, air presence, and potential clots during transfusion, improving bedside safety.
Closed-System Compatibility
The filter is preassembled in a sterile, closed unit, ensuring compatibility with transfusion protocols and minimizing infection risk.
Clinical Benefits
Reduces Febrile Non-Haemolytic Transfusion Reactions (FNHTRs)
Leukocyte reduction minimizes immune responses commonly caused by donor white cells.
Reduces Alloimmunization Risk
Prevents sensitization to foreign leukocyte antigens, reducing the likelihood of antibody formation in chronically transfused patients.
Prevents Transmission of Leukocyte-Borne Viruses
Such as cytomegalovirus (CMV), which can pose a serious threat to immunocompromised patients (e.g., neonates, oncology patients).
Supports Compliance with Modern Transfusion Standards
Many institutions and national guidelines now require universal leukoreduction for blood products to enhance patient safety and transfusion quality.
Why Was This Not Present in the Previous Model?
While we cannot speak specifically to the exact configuration of your past filter. Variations in design do exist between older models and current-generation filters. Some legacy systems may have:
Used inline filters with minimal visible housing
Relied on external or separate leukoreduction steps
Offered less visual feedback for flow monitoring and air detection
However, current international transfusion standards have driven improvements in filter design, favouring:
Integrated filters with visible housings (like the blue filter)
Pre-assembled, closed-system devices for safety
Enhanced visual cues to support clinical usability at the bedside
Can It Be Removed?
We must stress that the blue filter is a critical component of the device and must not be removed or bypassed. Doing so would:
Compromise leukoreduction efficacy tests
Render the device non-functional
Potentially breach transfusion safety protocols or hospital compliance
What is this Leukocyte Reduction Filter used for?
This leukocyte reduction filter is designed to remove white blood cells (leukocytes) and microaggregates from salvaged blood prior to reinfusion or transfusion. It is suitable for use alongside compatible cell salvage systems in accordance with the manufacturer’s Instructions for Use (IFU).
Does the filter require priming?
Yes. The filter should be primed before use. Please follow the manufacturer’s Instructions for Use (IFU) supplied with the product for the correct priming procedure and operating instructions.
Where can I find the Instructions for Use (IFU)?
The manufacturer’s Instructions for Use (IFU) are available to download from this product page. They contain full guidance on preparation, priming, compatibility and safe operation.
Is this filter compatible with RS1VAE Leukocyte Removal Filters?
Many NHS hospitals have successfully evaluated this filter as an alternative to the RS1VAE Leukocyte Removal Filter. However, users should always review the manufacturer’s specifications and confirm compatibility with their own clinical protocols before use.
Has this product been used by NHS hospitals?
Yes. This filter has been supplied to multiple NHS Trusts and has been evaluated and approved for use by NHS theatre departments following their own internal assessment processes.
Can I request a sample before placing a larger order?
Yes. Sample units may be available for evaluation. Due to the value of the product and specialist shipping requirements, a carriage and insurance charge may apply. Please contact us to discuss sample availability.
How is the product supplied?
The filters are supplied in packs of 10, with 10 packs per box, giving a total of 100 filters per box.
What is the usual lead time?
If the product is in stock, orders can be dispatched promptly. Where stock is unavailable, the typical lead time is approximately 4–6 weeks.
Is NHS pricing available?
Yes. We offer competitive pricing for NHS Trusts and healthcare organisations. Please contact us for a quotation or contract pricing.
Can I speak to someone before ordering?
Absolutely. If you have questions about compatibility, clinical use or product suitability, our healthcare team can provide additional information and supporting documentation before you place an order.
Summary
Feature Benefit
Blue housing with filter media Effective leukocyte removal
High-efficiency fibre filtration Reduced transfusion reactions
Visual flow monitoring Safer clinical use
Fully integrated design Supports modern transfusion practices
Authoritative External Links
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How Can Leukocyte Reduction Filters Improve Patient Safety and Outcomes?
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Leukocyte Reduction Filters: Mechanisms, Applications, and Considerations
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