مسحة الحمض النووي الطبية المتدفقة للبيع

1. طريقة جمع مسحة الأنف:

(1) قم بقياس المسافة من فتحة الأنف إلى جذر الأذن باستخدام المسحة ووضع علامة عليها بإصبعك.

(2) دع رأس المريض يسترخي بشكل طبيعي, قم بلصق المسحة على جدار الأنف وقم بتدويرها ببطء في فتحة أنف المريض حتى الأنف والحنك, ثم أخرجه ببطء أثناء المسح. بنفس المسحة, let the swab stay in the nose for 15-30 ثواني, and then gently rotate 3 مرات. Wipe the other nostril in the same way.

(3) Put the swab into the virus transport medium, break the swab rod and put it completely in the tube.

(4) Tighten the pipe cover, mark it, put it in a plastic bag and seal it .

(5) If it is necessary to collect from two nostrils, one swab should be used respectively. (6) Store at 4℃ (short-term storage).

2. Swallow swab collection method:

(1) Ask the patient to gargle with normal saline first.

(2) Put the swab into sterile physiological saline (without penicillin to prevent allergy of patients) for wetting (wet swab can take more cells than dry swab). It is forbidden to put the swab into virus transport culture medium to wet the swab.

(3) With the aid of tongue depressor, the examiner will pass the throat swab over the base of the tongue and reach the lesion of pharyngeal isthmus, and smear it repeatedly for several times (refer to Figure 2). Avoid touching the tongue and oral mucosa when taking it out.

(4) Let the patient’s head slightly upturned, his mouth wide open, and the long sound of “آه” appear, so that the throat tonsils on both sides of the patient are lifted up and down, and then wipe the throat tonsils on both sides of the patient back and forth with a swab for at least 3 مرات, and then wipe them up and down on the posterior pharyngeal wall for at least 3 مرات.

( 5) Put the swab into the virus transport medium, break the swab rod, and put it completely in the tube.

(6) Tighten the pipe cover, mark it, put it in a plastic bag and seal it.

(7) Store at 4℃ or on ice (short-term storage).