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2. Injector pen - Wikipedia

   en.wikipedia.org/wiki/Injector_pen

   Today, pen needles are manufactured at shorter needle lengths than required for typical vial and syringe administration, which decreases the pain associated with injection. [2] They are available in multiple lengths and gauge of needle , including 3.5mm, 4mm, 5mm, and 8mm lengths, and 31 through 34 gauge. [ 8 ]

3. Hypodermic needle - Wikipedia

   en.wikipedia.org/wiki/Hypodermic_needle

   Needles in common medical use range from 7 gauge (the largest) to 34 (the smallest). 21-gauge needles are most commonly used for drawing blood for testing purposes, and 16- or 17-gauge needles are most commonly used for blood donation, as the larger luminal cross-sectional area results in lower fluid shear, reducing harm to red blood cells ...

4. Syringe - Wikipedia

   en.wikipedia.org/wiki/Syringe

   A dose-sparing syringe and needle being used to draw up a COVID-19 vaccine. A dose-sparing syringe is one which minimises the amount of liquid remaining in the barrel after the plunger has been depressed. These syringes feature a combined needle and syringe, and a protrusion on the face of the plunger to expel liquid from the needle hub.

5. BD (company) - Wikipedia

   en.wikipedia.org/wiki/BD_(company)

   The company was founded in 1897 in New York City by Maxwell Becton and Fairleigh S. Dickinson.It later moved its headquarters to New Jersey. In 2004, BD agreed to pay out US$100 million to settle allegations from competitor Retractable Technologies that it had engaged in anti-competitive behavior to prevent the distribution of Retractable's syringes, which are designed to prevent needlestick ...

6. Microneedles - Wikipedia

   en.wikipedia.org/wiki/Microneedles

   Dermarollers are hand-held rollers equipped with a total of 192 solid steel micro-sized needles arranged into 24 arrays, lengths ranging from 0.5-1.5mm. [ 31 ] [ 33 ] With the growing popularity of microneedling, MNs have also been commodified into home care Dermarollers, which are similar to medical dermarollers, except that the needles are ...

7. List of pen types, brands and companies - Wikipedia

   en.wikipedia.org/wiki/List_of_pen_types,_brands...

   A pen is a handheld device used to apply ink to a surface, usually paper, for writing or drawing. [1] Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing.