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  2. Injector pen - Wikipedia

    en.wikipedia.org/wiki/Injector_pen

    The needles are generally manufactured with an outer protective plastic shell, which is used by a person to attach the needle to the pen, and an inner plastic shell protecting the needle itself. Instruction on how to properly attach and use needles is the responsibility of the doctor or pharmacist to ensure proper use.

  3. 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 ...

  4. Nanoneedle - Wikipedia

    en.wikipedia.org/wiki/Nanoneedle

    The needles may also find a use in tip-enhanced Raman spectroscopy, a process in which molecular energy levels are measured by comparing the frequency of incident light with that of outgoing light. A sharp needle tip allows for a more precise examination of the sample, down perhaps to that of single molecules.

  5. Nanoinjection - Wikipedia

    en.wikipedia.org/wiki/Nanoinjection

    A nano needle is used as a mechanical vector for plasmid DNA. The method can be improved further with Atomic Force Microscopy or AFM. In order to avoid causing permanent damage to the cell or provoke cellular leaking of intracellular fluid, AFM is a tool of choice, as it allows for precise positioning of the DNA, allowing for tip penetration ...

  6. 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 ...

  7. Jet injector - Wikipedia

    en.wikipedia.org/wiki/Jet_injector

    Jet injectors were used for mass vaccination, and as an alternative to needle syringes for diabetics to inject insulin. However, the World Health Organization no longer recommends jet injectors for vaccination due to risks of disease transmission. [1] Similar devices are used in other industries to inject grease or other fluid.

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