Plasma Donation Centres: Consumables for Collection and Screening
Quick Summary: Plasma collection centres run longer appointments than whole-blood clinics, which changes what a donor chair consumes. This glossary explains the consumables and the terminology that surrounds them, so orders and training documents use the same words.
A plasma donation takes roughly forty-five minutes on the machine, against eight to ten minutes for whole blood. That single difference multiplies the consumables tied to the chair, the apheresis device and the screening desk, and it puts unfamiliar terms into every order sheet.
Key terms for the collection floor
Apheresis is the process that separates plasma from whole blood and returns the cellular components to the donor. It is why the appointment is long and why the tubing set, not a single bag, is the main device consumable.
Anticoagulant is added to the collection line to prevent clotting in the tubing. Its presence is why some donors report a metallic taste or a tingling sensation, and why calcium replacement guidance exists in some programs.
Donor screening covers the questionnaire, vital signs and haemoglobin check that happen before a donor reaches the chair. It is the part of the visit that consumes the most small items.
Secondary container is the leak-proof outer packaging used to move samples and units between the collection floor and the laboratory.
Consumables at the screening desk
Screening is where the small items disappear fastest. Each donor needs a finger-prick site prepared and cleaned, which means a 70% isopropyl alcohol prep pad per donor before the haemoglobin check.
Blood pressure cuffs are wiped between donors and the cuff itself is reusable. The wipe is not. Keep a container of disinfectant wipes and surface cleaners at each screening station and one at the donor chair.
Consumables at the collection chair
The chair consumes a tourniquet, skin preparation, gauze, a dressing for the venipuncture site, and a pair of gloves per donor. Because the appointment is long, gloves are often changed mid-appointment when staff check the return line.
A standard 4 mil nitrile glove is appropriate for the chair, with a heavier glove reserved for line changes and any task involving a sharps container.
Sample handling and transport
Every donation generates screening samples in addition to the plasma unit. Samples are moved in a 95 kPa specimen bag with an absorbent layer and a separate document pouch so the tube and the requisition stay apart.
Keep clean swabs at the bench for wiping tube stoppers and work surfaces between batches. Powder-free gloves matter at this stage for the same reason they do in a hospital laboratory: powder residue can interfere with automated analysers.
Regulatory context in Canada
Plasma for fractionation is a regulated health product, and Canadian Blood Services operates the national plasma collection network. Canadian Blood Services publishes guidance for hospitals and collection partners on movement and traceability, and provincial routine practices govern staff protection on the collection floor.
Terms that appear on the order sheet
Par level is the quantity a station holds before it is replenished. In a donation centre, par levels are set per chair rather than per room, because two chairs can run at very different speeds during a shift.
Sharps container fill line is the marked level at which a container is closed, typically three quarters full. Containers are replaced at the line, not on a schedule, so they should be ordered against peak weeks.
Wipe contact time is the wet interval a disinfectant must remain on a surface to meet its claim. It appears on the product label and is the number auditors check when reviewing cleaning procedure.
Single use means the item is discarded after one donor contact. Tourniquets, prep pads, gauze and gloves all fall into that category and should be counted per donor rather than per shift.
Lot number is the batch identifier printed on consumable packaging. Donation centres record it for traceability, which is why packaging should be retained until the shift ends rather than discarded immediately.
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Frequently Asked Questions
What is the difference between apheresis and whole blood collection?
Apheresis separates and returns components during the donation, so the appointment is longer and the tubing set is the main device consumable. Whole blood collection fills one bag and finishes in minutes.
How many gloves does one plasma donation use?
Two to three pairs: one for screening, one at the chair and sometimes a third for a line check. Plan for three pairs per donor when sizing orders.
Do plasma centres need specimen bags?
Yes. Screening samples travel in a secondary container with an absorbent layer. Bags rated to 95kPa meet the transport expectations of reference laboratories.
CliniEco Medical is a licensed medical device establishment (MDEL #35334).
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