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  2. Hypodermic needle - Wikipedia

    en.wikipedia.org/wiki/Hypodermic_needle

    Hypodermic needles are normally made from a stainless-steel or Niobium tube [17] through a process known as tube drawing where the tube is drawn through progressively smaller dies to make the needle. The end of the needle is bevelled to create a sharp pointed tip, letting the needle easily penetrate the skin. [18] A hypodermic needle tip under ...

  3. Tuohy needle - Wikipedia

    en.wikipedia.org/wiki/Tuohy_needle

    However, in case of inadvertent dural perforation, the incidence of headache can be lowered by identifying the epidural space with the needle bevel oriented parallel to the longitudinal dural fibers which limits the size of the subsequent dural tear. [2] Close-up of needle and catheter tip, showing the curved end at the needle's tip.

  4. Winged infusion set - Wikipedia

    en.wikipedia.org/wiki/Winged_infusion_set

    When the needle enters the vein, venous blood pressure generally forces a small amount of blood into the set's transparent tubing providing a visual sign, called the "flash" or "flashback", that lets the practitioner know that the needle is actually inside of a vein. The butterfly offers advantages over a simple straight needle. The butterfly's ...

  5. Syringe - Wikipedia

    en.wikipedia.org/wiki/Syringe

    Disposable syringe with needle, with parts labelled: plunger, barrel, needle adaptor, needle hub, needle bevel, needle shaft According to the World Health Organization, about 90% of the medical syringes are used to administer drugs, 5% for vaccinations and 5% for other uses such as blood transfusions.

  6. Needle length for vaccines should vary based on weight. You ...

    www.aol.com/lifestyle/needle-length-vaccines...

    While the standard needle size for vaccination is 1 inch, it's recommended that women over 200 lbs. and men over 260 lbs. get shots with 1.5-inch needles. (Getty Images) (Nicolae Toma / 500px via ...

  7. Luer taper - Wikipedia

    en.wikipedia.org/wiki/Luer_taper

    A syringe with a male luer lock fitting, and a needle with female luer lock fitting (purple) which screws into it. The Luer taper is a standardized system of small-scale fluid fittings used for making leak-free connections between a male-taper fitting and its mating female part on medical and laboratory instruments, including hypodermic syringe tips and needles or stopcocks and needles.

  8. Birmingham gauge - Wikipedia

    en.wikipedia.org/wiki/Birmingham_gauge

    The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2]

  9. French catheter scale - Wikipedia

    en.wikipedia.org/wiki/French_catheter_scale

    The French scale measures the outer diameter of the catheter, not the size of the internal drainage channel (inner diameter). For instance, a two-way catheter of 20 Fr and a three-way catheter of 20 Fr have the same outer diameter, but the three-way catheter has an additional channel for irrigation, reducing the size of its drainage channel.

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