Importance

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Abstract

A lancet device for lancing skin with a lancing needle of a lancet. The lancet device includes a housing and a lancet holder within the housing which is engageable with the lancet and moveable along a longitudinal axis of the housing. The device also includes a cam which has an end surface engageable with the lancet holder, cocking structure, biasing means between the cocking structure and the cam, and a trigger which is engageable with the cam for preventing rotation of the cam during actuation of the cocking structure. Actuation of the cocking structure causes the biasing means to become loaded between the cam and cocking structure, wherein upon disengagement of the trigger from the cam, the cam rotates, causing the lancet holder to move generally along the longitudinal axis of the housing. The lancet holder includes a cam follower member which contacts the end surface of the cam. The cam follower member rides along the end surface of the cam when the cam rotates in the housing.

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First Claim