Patent ID: 7883523
Filing Date: 2011-02-08
Classification: A61B

Abstract:
1. A lancet assembly comprising: a lancet structure including an ejector and a lancet; and a lancet holder for holding the lancet structure, the lancet holder having a front end portion and a reverse tapered portion, wherein the ejector includes an arm, a spring having a front end and a rear end, and a base attached to the arm and the spring, the spring having a connector provided at the front end and being connected to the base at the rear end, wherein the lancet includes a lancet body, a lancet cover, and a pricking element, the lancet body being connected to the lancet cover, and the pricking element being disposed within the lancet body and the lancet cover such that a sharp tip portion of the pricking element is encapsulated by the lancet cover and such that the pricking element extends between the lancet body and the lancet cover, the lancet cover including a tapered portion, wherein the lancet body is connected to the connector, wherein an opening is provided at the front end portion of the lancet holder, the opening being configured to allow the sharp tip portion of the pricking element to pass therethrough, and wherein the lancet structure is configured to be inserted into the lancet holder such that the base moves toward the connector and the spring is compressed, and such that the lancet cover is separated from the pricking element by movement in an oblique direction of the lancet cover by the tapered portion of the lancet cover being moved along the reverse tapered portion of the lancet holder, relative to the pricking element, which remains substantially in the same position, thereby exposing the encapsulated sharp tip portion of the pricking element.