INJECTION DEVICE WITH PUNCTURE FUNCTION, METHOD FOR CONTROLLING INJECTION DEVICE WITH PUNCTURE FUNCTION, CHEMICAL SOLUTION ADMINISTRATION DEVICE, AND METHOD FOR CONTROLLING CHEMICAL SOLUTION ADMINISTRATION DEVICE

摘要

An injection device with a puncture function includes, in a single casing, a cylindrical cartridge in which insulin is enclosed, a cartridge holder to which the cartridge is inserted, a needle inserted at a front end of the cartridge, a reciprocation unit for reciprocating the cartridge toward the needle, and an extrusion member for extruding the insulin from a rear end of the cartridge toward the needle, and the motion speed and the motion amount of the reciprocation unit are made variable.