Contact activated lancet device

摘要

A lancet device including a housing and a lancet structure having a puncturing element. The lancet structure disposed within the housing and adapted for movement between a retaining or pre-actuated position wherein the puncturing element is retained within the housing, and a puncturing position wherein the puncturing element extends through a forward end of the housing. The lancet device includes a drive spring disposed within the housing for biasing the lancet structure toward the puncturing position, and a retaining hub retaining the lancet structure in the retracted position against the bias of the drive spring. The retaining hub includes a pivotal lever in interference engagement with the lancet structure. An actuator within the housing pivots the lever, thereby moving the lancet structure toward the rearward end of the housing to at least partially compress the drive spring, and releasing the lever from interference engagement with the lancet structure.

主权项

1. A lancet device comprising:
a housing; a lancet structure comprising a puncturing element, the lancet structure disposed within the housing and adapted for movement between a pre-actuated position wherein the puncturing element is retained within the housing and a puncturing position wherein the puncturing element extends through a forward end of the housing; a drive spring biasing the lancet structure toward the puncturing position; a retaining hub retaining the lancet structure in the pre-actuated position against the bias of the drive spring, the retaining hub comprising a lever pivotal about a fulcrum, the lever comprising a class 1 lever, the lever providing interference engagement with the lancet structure, the lever comprising a first lever element and a second lever element spaced from the first lever element, the first lever element and the second lever element disposed on opposing sides of the lancet structure; and an actuator adapted to pivot the lever about the fulcrum, thereby releasing the lever from interference engagement with the lancet structure, permitting the drive spring to drive the lancet structure toward the puncturing position.