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ttyu0919
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تاریخ ثبت نام: ۱۴۰۰/۶/۲۷
تاریخ تولد: تعیین نشده
زمان محلی: 2022/12/07 , 05:16 PM
وضعیت: آفلاین

اطلاعات انجمن ttyu0919
تاریخ عضویت: ۱۴۰۰/۶/۲۷
آخرین بازدید: ۱۴۰۰/۶/۲۷ ۰۶:۴۴ صبح
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Bio: Before the modern vacuum tube, blood collection tubes and other devices were difficult and imprecise. Etched lines in borosilicate glass tubes reflected the amount of blood the phlebotomist needed to collect.

Using a disposable venous blood collection needle, the phlebotomist would puncture a vein and direct the blood into the glass tube that contained ETDA or citrate as additives to prevent blood coagulation. Black rubber stoppers were used to seal the tubes for transportation to the laboratory.


Sanitation was also an issue because tubes and syringes were washed between patients. A grinding wheel was used to resharpen multi-sample pen type needles, and they were sterilized between uses.

Ensured that additives were used in the correct proportion for the amount of blood collected. The vacuum tubes used in venipuncture made blood draws safer and easier, and their results more accurate. Regulatory agencies such as the FDA, ISO, and CLSI now enforce guidelines that ensure that blood collection systems are consistent in both design and manufacture.


Has been an advancement in collecting blood using disposable non-vacuum blood collection tubes, ushering microsampling into the mainstream. With DBS sampling, a small prick of blood is dropped onto an absorbent card made of filter paper. After the card absorbs the blood and dries sufficiently, it can be transported much more easily than glass tubes filled with blood samples. The innovation of DBS cards means that a very tiny sample of blood can provide accurate test results, a boon for patients and technical staff alike.


In all settings in which specimens are collected and prepared for testing, laboratory and health care personnel should follow current recommended sterile techniques, including precautions regarding the use of needles and other sterile equipment. Treat all biological material as material that is potentially hazardous as well as contaminated virus specimen collection tube supplies. For all those who are involved in specimen collection and preparation, the responsibility to adhere to current recommendations designed to maintain the safety of both patients and health care workers does not end when the patient is dismissed.