Changzhou Chunguang Medical Equipment Co., Ltd.

How many milliliters is the 5 cm on the needle tube?

Categories:Industry news
Time:2021-08-04

(Summary description)1. Generally, it is 5ml, that is, 5ml, which is often referred to as 5CC, but because the needle tube is thick and thin, the same 5 cm, the big needle tube for intravenous injection and the small needle tube for skin test are very different; 2. Therefore, you need to measure the radius of the needle tube, and then calculate it yourself: Cylinder volume = bottom area x height, bottom area = radius x radius x 3.14, height is 50 mm;

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How many milliliters is the 5 cm on the needle tube?

Categories:Industry news
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Time:2021-08-04
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1. Generally, it is 5ml, that is, 5ml, which is often referred to as 5CC, but because the needle tube is thick and thin, the same 5 cm, the big needle tube for intravenous injection and the small needle tube for skin test are very different;

2. Therefore, you need to measure the radius of the needle tube, and then calculate it yourself: Cylinder volume = bottom area x height, bottom area = radius x radius x 3.14, height is 50 mm;

3. Among them, the unit on the needle tube must be millimeters, so the calculated value is milliliters.

4. The needle thickness is expressed by the number of numbers, generally 4.5, 5, 6, 7, etc. No. 7 means that the diameter of the needle is 0.7 mm (may be the outer diameter). Generally, children use No. 4.5 or No. 5. Adults use number 7.

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