A medical device is provided having a needle or a catheter, insertable into a living body, which defines a plurality of holes in fluid communication with a central lumen. The holes may be of various patterns located and angled to create a desired injectate cloud pattern when an injectate is forced through...http://www.google.fr/patents/US6969373?utm_source=gb-gplus-shareBrevet US6969373 - Syringe system