| 摘要 |
A plurality of different intradermal needle penetration application techniques, preferably both of a powered and non-powered application type, are featured that enable a wide variety of applications with preferably only a single needle device that includes a plurality of needles with preferably a single tip slope edge arranged at a gentle slant, preferably a 30-35° slant, or a plurality of such sloped needle tip edges. The needle arrangement enables the needle set to enter at the same time the skin of the subject to an equal desired depth in consistent fashion. The same needle device can be used for point marking, lining and shading with ease. The application processes include use of a plurality of the provided application techniques preferably in a favored order of application and intermixing the point, lining and/or shading techniques to achieve a highly efficient and rapid application process. Also, a holder tip is provided which preferably has outlet edging that extends or extend parallel with the needle tip line edge(s) of the needle device.
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