Capillary Blood Collection | 合法醫療器材資訊網

2017年7月13日—Capillarybloodisobtainedbyprickingafingerinadultsandaheelininfantsandsmallchildren.Thespecimenisthencollectedwitha ...

Capillary blood collection, a method thats been in practice for decades, primarily started as a technique to draw blood from infants for genetic screenings. Since a significant blood volume extraction from newborns is problematic, capillary collection using a heel stick to collect a few micro-sized drops of blood offered a less invasive approach. Today, the microsampling method is used for a wide range of purposes. But like all techniques, it has its pros and cons.

Capillary blood is typically collected by using a lancet to prick the fingertip in adults, or the heel in infants and small children. The blood drop that forms on the fingertip or the heel can then be collected via a tiny glass capillary tube and transferred to a glass slide, or applied to filter paper, or absorbed via the tip of a microsampling device.

The finger-stick capillary blood collection technique is commonly used for taking glucose measurements, wher...