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Cotton pads are pads made of cotton which are used for medical or cosmetic purposes. [1] For medical purposes, cotton pads are used to stop or prevent bleeding from minor punctures such as injections or venipuncture. [2] They may be secured in place with tape. Cotton pads are also used in the application and the removal of makeup. [1]
This name for handheld venipuncture devices first appears in Anglo-Saxon manuscripts around 1000. [1] The name is most likely derived from phlebotome: phlebos, Greek for blood vessel and tome, meaning to cut. [2] These instruments are the progression from the early use of fish teeth, sharpened stones, and thorns used to penetrate blood vessels.
A needle-free powder lignocaine delivery system has been shown to decrease the pain of venipuncture in children. [ 20 ] [ 21 ] Rapid dermal anesthesia can be achieved by local anesthetic infiltration, but it may evoke anxiety in children frightened by needles or distort the skin, making vascular access more difficult and increasing the risk of ...
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However, the recent study, using a method known as magnetotellurics that tracks the electric conductivity of magma, found something different. "When we used magnetotellurics, we were able to see ...
The butterfly's precise placement facilitates venipuncture of thin, "rolling", fragile, or otherwise poorly accessible veins. The butterfly's shallow-angle insertion design facilitates venipuncture of very superficial veins, e.g. hand, wrist, or scalp veins (hence name "scalp vein" set).
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The Vacutainer was preceded by other vacuum-based phlebotomy technology such as the Keidel vacuum. The plastic tube version, known as Vacutainer PLUS, was developed at B-D in the early 1990s by E. Vogler, D. Montgomery and G. Harper amongst others of the Surface Science Group as US patents 5344611, 5326535, 5320812, 5257633 and 5246666.