Abstract: There is provided a pricking device which makes possible to isolate a distal end portion of a pricking element from its surrounding as much as possible while it is exposed from a lancet body, followed by taking out of an injector. In a lancet assembly composed of a lancet 200 including a lancet body 204, a lancet cap 206 and a pricking member 210 and a lancet case 100 that houses a portion of the lancet, the lancet body has a protruding portion 212 and a stopper 213 located behind the protruding portion; the lancet case includes an abutting portion 122 and wings which extend backward and obliquely; and when rear end portions 120 of the wings are fitted into sides of the case body 114, they are located along the sides of the case body.

Abstract: In a lancet assembly including a lancet 200 and a lancet case 100 that houses a portion of the former, the lancet is a molded article of a resin consisting of a lancet body 204, a lancet cap 206 and a pricking member 210 made of a metal, with the pricking member being disposed in the lancet body and the lancet cap while straddling over these members, and the distal end portion of the pricking member being enclosed by the lancet cap; the lancet body has a protruding portion 212 and a stopper 213 located behind the protruding portion; the lancet case includes a case body having a front end opening and a rear end opening, and a pair of wings disposed on opposing side surfaces of the case body; and each wing has an abutting portion 122 that protrudes inward between its front end portion and its rear end portion, the front end portion is connected to the case body and the rear end portion is left free, and as a result, when the abutting portion receives a force acting outward, the wing elastically splays outwar

Abstract: There is provided a lancet assembly with a possibility of the lancet structure being inadvertently pushed without an intension of pricking. The lancet assembly comprising a lancet structure 200 and a lancet holder 100 which holds the lancet structure, in such a constitution that by pressing the lancet structure into the lancet holder, the following steps are carried out: the step of separating a lancet cover 214 from a lancet body 216 so as expose a distal end portion 232 of a pricking element 220, and then the step of launching the lancet body having the distal end portion of the pricking element exposed so as to prick a predetermined portion, characterized in that a trigger 300 used to launch the lancet body has a pushbutton 117 exposed through an opening 120 provided in a side surface 101 of the lancet holder, the lancet body of which the distal end portion 232 of the pricking element 220 is exposed is launched by moving the trigger forward while the exposed pushbutton is pressed into the lancet holder.

Abstract: In a lancet assembly 100 including a lancet 200 which includes lancet 200 including a lancet body 204, a lancet cap 206 and a pricking member 210 made of a metal as well as a lancet case 102 that houses a portion of the lancet, the lancet body has a protruding portion 212, the lancet case has a case body 114 and wings 116 which are present on the both sides of the lancet case, each wing has a stopper 122 that protrudes inward between its front end portion 118 and its rear end portion 120, the front end portion is connected to the case body and the rear end portion is left free, and as a result, when the wing receives a force acting outward, the wing elastically splays outward.

Abstract: A lancet assembly that enables it to prick with smaller number of steps and be disposed safely. The lancet assembly comprising a lancet and a lancet holder that houses the lancet, wherein the lancet comprises a lancet body, a lancet cap and a pricking component, the pricking component is situated in both of the lancet body and the lancet cap, the tip of the pricking component is covered with the lancet cap, and the lancet cap and the lancet body are integrally connected together by a bridging component; when the lancet cap is pressed in the pricking direction with the lancet body attached to the lancet holder, the bridging component is broken so that the lancet cap is separated from the lancet body; and thereafter when the separated lancet cap is pressed further in the pricking direction, the separated lancet cap moves to a position that is off the pricking pathway of the pricking component.

Abstract: A pricking device is provided that allows a protruding tip of a distal end portion of a pricking member to be shielded from surround as much as possible and removed from an injector assembly. The lancet assembly 100 contains a lancet 101 and a protective cover 102, characterized in that (1) the lancet comprises a lancet body 104, lancet cap 106 and a pricking member 105, the pricking member is disposed in the lancet body and the lancet cap while straddling them members, and the distal end portion 124 of the pricking member is enclosed by the lancet cap; and (2) the protective cover is disposed around the lancet body, so that it is able to move to a position, after pricking, around the distal end portion of the pricking member that protrudes forward from the lancet body.