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如何選擇採樣拭子

2023-04-21

如何選擇採樣拭子

採樣拭子

Sampling swabs are the important part of testing for COVID-19, 選擇和使用拭子可以提高檢測的準確性和有效性.

根據所提供的信息, 以下是對採樣拭子選擇和使用的一些建議:

Sampling Swabs Length

The Sampling swabs should be about 15cm in length, neither too long nor too short.
But swabs that are too long are prone to shaking and inconvenient to operate, while swabs that are too short may expose the sampler to bodily fluids of the subject and increase the risk of infection.

Sampling Swabs Handle

Because the stem material of the sampling swab should be easy to break. So it is recommended to use a hollow polystyrene (PS) pole.
Do not use wood sticks or bamboo skewers, because wood sticks or bamboo skewers are also easy to absorb proteins.
The easily broken material helps the sampler retain the appropriate length of the swab stem to avoid leakage due to the tube cap being too long.

Swab Sterile

Because the head of the swab should be sterile flocking. Sterile flocking can maximize the amount of samples collected.
It is not toxic to pathogens and contact cells and tissues, and does not affect subsequent detection.

Effect

Calcium alginate sponge and cotton have strong adsorption effect on protein and are not easy to eluate, which will affect the subsequent detection.

Nasal swab sampling

用於鼻拭子採樣:
It recommended that patients first remove secretions from the surface of the anterior nasal foramina.
And measure the distance from the nostril to the root of the ear with a swab marked by the hand.
The nasal swab is slowly inserted into the nostril (against the earlobe) with a wall touch sensation.
The swab left in the nose for 1530 seconds and gently rotate 35 次.
For throat swab sampling, the sampler may first use a tongue platen to remind the patient to make anah ~” 聲音.
Lift the patient’s palate to expose the back wall of the pharynx and swab over the base of the tongue to the back of the pharynx (lesion site)

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