A method of making an intradermal injection using a drug delivery device containing the substance to be injected. A device for practicing the method includes a needle cannula having a forward tip and a limiter portion having a skin engaging surface surrounding the needle cannula. The needle cannula is...http://www.google.de/patents/US6569143?utm_source=gb-gplus-sharePatent US6569143 - Method of intradermally injecting substances
