Veterinary Diagnostic Equipment · Generic
Capillary Tube
In stock
In veterinary medicine, capillary tubes are narrow, thin-walled micro-tubes used for the minimally invasive collection, transfer, and centrifugation of micro-volumes of blood (usually 50–300 \(\mu \)L). They operate via surface tension (capillary action), allowing blood to naturally draw into the tube without active suction, making them ideal for small animals or exotic pets.
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Specs & features.
The smallest type of blood vessel. A capillary connects an arteriole (small artery) to a venule (small vein) to form a network of blood vessels in almost all parts of the body. The wall of a capillary is thin and leaky, and capillaries are involved in the exchange of fluids and gases between tissues and the blood.
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- Passive Collection: Requires no syringes or complex vacuums; the tube fills itself via natural capillary action.
- Low Trauma: Because they only require a minor pinprick (e.g., ear-edge or toenail clip), they are less stressful and painful for the patient.
- Rapid Centrifugation: Their small diameter allows for rapid spinning, giving veterinarians on-the-spot results in minutes.
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