Method and device for painless injection of medication

摘要: A device for painlessly injecting medications, and a method providing substantially painless injection of medication into patient that does not require the use an anesthetic, medical personnel to spend substantial amount time performing infection procedure, is relatively simple inexpensive perform operate, provides high degree safety both patient. The needle (40) can have outside diameter greater than 0.20 mm less about 0.38 mm. medicament be injected through at constant volumetric flow rate 0.05 gL/s 50 gL/s.