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Medical Sets Filters - Frequently Asked Questions
创建于2024.05.17
Here are some commonly asked questions & answers about filters:
1.How do air eliminating filters work?
-The filter contains an air vent and membranes. Fluid enters via the inlet through the vented component, and then passes through the filter. When primed correctly, the membrane will become wet and will not permit air to pass forward towards the patient.
2-What size filters are available on sapphire administration sets?
-1.2 and 0.2 micron filter options are available.
3.Do drugs bind to filters?
-Yes. Hydrophilic membrane material is polyethersulfone (PES), which is considered low protein binding.
4.What is the correct technique for priming the in-line filter?
-Prior to use:
Always read and follow instructions in the user manual.
Close at least one clamp on the administration set.
Remove protective cover and insert spike into the solution container.
- Verify the administration set is disconnected from the catheter/access site.
- Open all clamps of the administration set and make sure there are no other occlusions blocking the set.
- Priming: Please note that the priming instructions in this step are different for GVS vs. PALL filters. Hold the filter so that the arrow side of the filter is pointing upwards (please download the Training Aid below for full instructions with images).
- Allow the medication to prime the filter, wetting the filter membrane and eliminating air. Once all air has been removed and fluid is observed at the end of the set, priming is complete.
- If after priming, a patient is not connected to the administration set, close the clamp below the filter until the patient is connected.
5.How should a primed set transported to prevent leakage and maintain filter prime?
-Ensure administration set’s end cap is secure.
Close clamp below filter.
6. How can we prevent emptying of the filter and back-siphoning?
-Always maintain the position of a properly primed filter at or below the infusion site.
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