如何采集血痕？ （若抽取静脉血后请将血倒在纱布上凉干保存即可）

注意事项：滴在医用纱布上的血痕需要阴干，不能加热或阳光照射！样本做好标记后，分别存放在纸制信封中。

准备事项：清洁双手，医用纱布，采血针（或大头针），纸制信封。

具体步骤：

1． 在药店购买医用消毒纱布和医用酒精，准备纸制信封和纸笔；

2． 消毒采血部位后，用采血针刺指尖或耳垂等身体部位，（如果孩子较小可采脚后跟）挤压取5滴血，每滴血在纱布上散开后约小手指盖大小，如果5滴血斑滴在一起，要有1元硬币大小，血斑渗透2-3层纱布;如果使用干净的面巾纸采血痕，取5滴，每个血痕渗透三层纸面比黄豆略大亦可。

3． 将血纱布阴干，作好标记，如标记样本身份（父亲血、孩子血），记录样本采集日期。

4． 注意将不同的样本单独放置，不能相互接触，可以放入不同的纸信封中，信封上标记清楚。

 

How t如何采集血痕？Shanghai paternity, How to collect bloodstains?
o collect bloodstains? (Please, if collected blood after the blood pour on the dry gauze can be saved)

Note: drops in the medical needs of dried bloodstains on gauze, not heat or sunlight! Sample and marked, respectively, stored in a paper envelope.

Preparation: Clean hands, medical gauze, blood collection needle (or pin), paper envelopes.

Specific steps:

1. In the pharmacy to buy medical gauze and medical alcohol disinfectant, paper envelopes, and pen and paper ready;

2. Parts disinfecting blood after the blood collection needle with a finger or ear lobe and other parts of the body, (if the child can be taken small heel) to take 5 drops of blood squeezed every drop of blood spread on the gauze cover in about the size of a small finger, if 5 drops dripping with blood spots, have 1 dollar coin size, blood stains penetrate 2-3 layers of gauze; If you use a clean tissue to adopt bloodstains, take 5 drops, three each bloodstain penetrate the paper slightly larger than soybeans can.

3. The dried blood, gauze, well marked, such as sample identification tag (the father blood, the child blood), record the date of sample collection.

4. Note the different samples of a separate place, can not touch each other, can be placed in a different paper envelope, clearly marked on the envelope.