The present invention provides a microneedle incorporating a base that is broad relative to a height of the microneedle, to minimize breakage. The microneedle further includes a fluid channel and a beveled non-coring tip. Preferably arrays of such microneedles are fabricated utilizing conventional semiconductor...http://www.google.fr/patents/US6980855?utm_source=gb-gplus-shareBrevet US6980855 - Microneedles for minimally invasive drug delivery
