| 摘要 |
PROBLEM TO BE SOLVED: To provide an injector capable of automatically combining plural kinds of medicines by a desired ratio.SOLUTION: An injector 20 of the invention comprises: a first chamber 60 for storing a first material; a second chamber 64 for storing a second material; a cartridge 56 having a first stopper 68 for separating the first chamber and second chamber, and a second stopper 72 for defining one end of the second chamber; an operation button 92 for selectively releasing a sleeve 80 which transmits energization force of an energization member 84 to a plunger 76 for moving the plunger, and mixing the first and second materials automatically; and a medication stem 88 for setting respective dose of the first and second materials. The operation button comprises a user interface surface 156, and a J-shaped cantilever arm 160 extending from the user interface surface and having an opening, and can move in a radial direction from a before operation position to a depressed position. |
