Patent ID: 9693712
Date: 2017-07-04
CPC Classifications: A61B,F16F

Claim:
1. A lancet pricking device, comprising: a lancet; a launching spring; a trigger part having a rear side inner wall; a holder for housing therein the lancet, the launching spring and the trigger part; and a spring-attachment portion provided at the rear side inner wall of the trigger part, the spring-attachment portion comprising a bent elongated part, the bent elongated part having a fixed end that is fixed to the rear side inner wall of the trigger part, the bent elongated part having a bent form of a U-shape that includes a first portion that extends outwardly from the fixed end that is fixed to the rear side inner wall, a second portion that continues outwardly from the first portion and then bends back inwardly toward the rear side inner wall, and a third portion that continues inwardly from the second portion toward the rear side inner wall, and the bent elongated part having a free end at an end of the third portion distal from the second portion, the spring-attachment portion further having a first protrusion that is provided at the free end of the third portion of the bent elongated part and a second protrusion provided on the first portion of the bent elongated part at the fixed end of the bent elongated part.