The delivery of a fluid cutaneously is effected by generating a suction force on a surface of a housing. A surface of a cutaneous layer is received under the suction force about which the proximal end of a needle thereby to pierce the cutaneous surface and to effect an injection of fluid. There is generated...http://www.google.de/patents/US6896666?utm_source=gb-gplus-sharePatent US6896666 - Cutaneous injection delivery under suction
