Lancet device with retractable sharps member

Capable of retraction cutter device, comprising a shell and a cutter component. The shell and to the end head shoulder a first and second opening end. The cutter component mainly comprising a frame body, a bracket, a bracket located on the frame body, and is provided with from the cutter is extended out, and at least one elastic, and bracket and front. When the frame body is hollow shell and a holes; the bracket is blocked of the shoulder, so the elastic and is between the anti-cutting the weight of the bracket. The triggering mechanism and shoulder of coordinating role, and of the bracket is separated from. The load obligation cutter according the elastic claims supporting and passes through the second hole end to end and; and reducing the elastic. Afterward the elastic relaxes and cutter to retract to the shell of.