Patent ID: 9446206
Filing Date: 2016-09-20
CPC Classification: A61M

Claim Text:
1. A pharmaceutical injection device, comprising: a main body; a movable member provided in the main body, the movable member being mounted movably in a lengthwise direction of the main body; a pharmaceutical holding member mounted to the movable member and including a needle mount to which an injection needle is mounted on one end, the pharmaceutical holding member being configured to house a pharmaceutical syringe containing a drug to be injected into a body; a first detector provided to the movable member and being configured to detect a mounting of an injection needle on the needle mount; and a detection member configured to move with respect to the movable member when an injection needle has been mounted to the needle mount of the pharmaceutical holding member, wherein the first detector is provided on an opposite side of the movable member from the needle mount, the first detector detects the mounting of the injection needle on the needle mount by movement of the detection member in a lengthwise direction of the movable member, the detection member includes a first detection member and a second detection member that is movable by contact with the first detection member, the first detector detects movement of the second detection member, the first detection member includes a protrusion, the second detection member includes a slender projection extending in the lengthwise direction of the main body, the protrusion comes into contact with the projection by moving in a direction away from the needle mount with respect to the movable member, and the first detector detects movement of the projection.