| abstract |
(57) [Summary] [Problem] To provide a puncture device for collecting a bodily fluid such as blood provided with a mechanism for adjusting the puncture depth of a lancet that is easy to operate. A puncture device includes a stopper-side movement suppression mechanism for a stopper and an adjustment mechanism in a housing. The movement of the lancet 4 provided with the puncture needle 41 and the plunger 3 connected to the lancet 4 is controlled by the contact of the adjustment mechanism side movement suppression mechanism 101 with the lancet by adjusting the position of the adjustment mechanism 10 in the axial direction. The movement stop position of the plunger 3 and the plunger 3 connected thereto can be adjusted. |