Patent ID: 7758602
Filing Date: 2010-07-20
Classification: A61B

Abstract:
1. A lancing device incorporating a vacuum generating mechanism, comprising: a housing having a first housing space; a moving body movable relatively to the housing in the first housing space for forward movement of a needle; a driving mechanism for forward movement of the moving body; a hollow pressing portion at a front end of the housing for contact with a part where a puncture is to be made; and a latch mechanism for latching the moving portion; wherein the driving mechanism includes: an elastic portion for urging the moving body in the forward direction; a lancing operation member having at least a part thereof exposed to outside of the housing; and an unlatching portion to act on the latch mechanism for unlatching the moving body upon operation of the lancing operation member; wherein the latch mechanism includes a first engaging portion provided on the moving body; and a latching member fixed to the housing and having a second engaging portion for engagement with the first engaging portion; and wherein the latching member and the moving body are joined together for defining a second housing space within the first housing space for accommodating the elastic portion.