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Needles, Injection, Bifurcated

Definition : Injection needles typically consisting of a solid thin metallic rod approximately 50 to 75 mm (2 to 3 inches) long and 1 mm in diameter, with one end flattened and formed into two sharp prongs (similar to a small two-prong fork). Some needles include a plastic hub to facilitate manipulation. The size and shape of the two-prong end is appropriate to hold the recommended dose volume of reconstituted liquid vaccine by capillary action when it is dipped into a vial containing the vaccine in a preestablished concentration. The vaccine is then delivered into the superficial layers of the skin by puncturing (i.e., scarification) using a series of repetitive strokes (typically 15) with the bifurcated needle. Bifurcated needles are usually specialized devices designed for massive smallpox vaccination; they are usually disposable, but sterilization is possible (e.g., using autoclaves or dry-heat sterilizers).

Entry Terms : "Bifurcated Needles" , "Smallpox Vaccination Needles"

UMDC code : 20541

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BD is a medical technology company that serves healthcare institutions, life science researchers, clinical laboratories, industry and the general public.

Ocean Optics Inc

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Ocean Optics is the world leader in solutions for optical sensing. We enable diverse applications in medical and biological research, environmental monitoring, life science, science education and entertainment lighting and display. Our extensive line of complementary technologies includes spectrometers, chemical sensors, metrology instrumentation, optical fibers and thin films and optics. Recognized as the inventor of miniature fiber optic spectroscopy, we've sold over 175,000 spectrometers worldwide since 1992

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