“Micro-needles” have been disclosed that are characterized by their sharpness and side holes that prevent the coring phenomenon seen in standard needles. The needles can be several hundreds of microns in length and avoid most pain receptors in the skin. The sharpness ensures minimal damage to the skin.
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A needle design has been disclosed featuring four strategically-placed lateral perforations to allow fluid dispersion over a large, localized surface area, thereby reducing or even eliminating distension pain.
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