An apparatus includes a housing, a medicament container and an actuator. The actuator includes a release member and an energy storage member having a first position and a second position. In the first position, the energy storage member has a first potential energy. In the second position the energy...http://www.google.de/patents/US7648482?utm_source=gb-gplus-sharePatent US7648482 - Devices, systems, and methods for medicament delivery
Devices, systems, and methods for medicament delivery
