Patent ID: 8083719

Claim:
A medicinal-solution administration device comprising: a body unit, the body unit comprising: a cannula for implantation into a body; a base portion for placement on an outer surface of the body, the base portion being mateably connected to the cannula; a drive generator that generates a drive force, the drive generator disposed on the base portion and equipped with a medicinal-solution receiving portion that is in communication with the cannula; and a cartridge unit that is attachable to and detachable from the body unit, the cartridge unit comprising: a medicinal-solution reservoir that accommodates at least a medicinal solution and feeds the medicinal solution toward the medicinal-solution receiving portion, the medicinal-solution reservoir comprising a coil-shaped tube having first and second ends, a power source that causes the drive generator to drive, and a drive transmitter comprising a drive-liquid reservoir capable of accommodating a drive liquid that transmits the drive force generated by the drive generator to the medicinal-solution reservoir to push out the medicinal solution in the medicinal-solution reservoir.