Question

9. Describe various venipuncture equipment (butterfly, ETS, needles, syringes and tube holders) and the preferred use of each

Answer 1

1. A butterfly needle is used to draw blood or giving medications across a vein. it is so-called because of its structure like a butterfly. it is also known by the names winged infusion set, or scalp vein set. it has a leur lock mechanism which is used to prevent blood loss.

uses - used in the treatment of dehydration, in situations where a person is unable to take food and liquids orally, for giving medications, etc.

2. ECT stands for evacuated collection tubes. it is made of plastic or glass tube covered with a rubber top.color of the rubber tube indicates the type of test to be performed.

uses - it is used to store the blood.

3. Lancet is just like a small scalpel with a double-edged blade. they are generally disposable.

uses - for capillary punctures on heels and fingers to obtain blood samples.

4. Tourniquets are applied 8-10cm above the insertion point of a needle for less than a minute.

uses - prevents hemoconcentration, determines the location of suitable veins, for blocking of venous blood flow, etc.