| abstract |
The present invention relates to a kind of delivery device (1) being used for drugs, including：Main body (2), it is suitable to keep the cartridge case (3) for accommodating medicine, at least one electric unit (EU) and the port (6) for being made electrical contact with electric unit (EU), connector portions (7), it is used to injection needle (4) being attached to delivery device (1), release mechanism (S), it is arranged to prevent close to port (6) when injection needle (4) and cartridge case (3) fluid communication, and is arranged to and prevents the foundation between injection needle (4) and cartridge case (3) from being in fluid communication when port (6) is are close to. |