Questions tagged [butterfly-needle]

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What are the factors that make veins easy for a blood test one day, and difficult the next?

I take blood tests quite frequently, and most the time the technicians (Phlebotomists) spend a lot of time searching both my arms for a good vein. I pump my fists, and they smack my arms (and of ...
2
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1answer
1k views

Effect of Blood donation needles on skin

I have donated my blood 3 times now...all three times at different hospitals. The first time, a very fine needle was used...almost similar to the one usually used in injection or to draw blood for ...
4
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Should plasma and platelet donors be concerned about exposure to plasticizer compounds?

Once removed from the body, blood products have prolonged contact time with a large surface area of plastic: probably close to 2 metres of tubing, butterfly needle + attachment centrifuge bowl (...