Butterfly Needle for Blood Draw | 合法醫療器材資訊網

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Overview

A butterfly needle is a device used to access a vein for drawing blood or giving medications.

Some medical professionals call a butterfly needle a “winged infusion set” or a “scalp vein set.” The set gets its name because there are plastic “wings” on either side of a hollow needle used to access the vein.

While some elements of the butterfly needle can vary, most have a needle in a winged sheath or plastic covering that’s pulled back to reveal the needle. The needle is attached to tubing that may have a luer lock. This is a type of connection that you can twist a syringe onto.

A medical professional will use a butterfly needle to draw your blood or to try and access a vein to give intravenous (IV) medications.

Alternatively, they may use an intravenous catheter. It has a...