Patent ID: 8821453
Filing Date: 2014-09-02
Classification: A61M

Abstract:
1. A needle guard comprising a plurality of front panels circumferentially positioned about an axis, a plurality of back panels circumferentially positioned about the axis in a first position substantially collinear with the plurality of front panels, wherein the plurality of back panels are moveably coupled to the plurality of front panels, and a hub positioned adjacent the plurality of back panels co-axially with the plurality of front and back panels and configured to retain a spring in a compressed state, wherein the plurality of front and back panels are foldable to a second position, wherein movement of the plurality of the back panels triggers the release of the spring, wherein the spring is biased to unfold the plurality of front and back panels and return the plurality of front and back panels to the first position, wherein the hub includes a control ring operably coupled to the spring and positionable over the coupling between the plurality of front and back panels to lock the front and back panels in the first position, and wherein the hub further comprises a plurality of latch arms operably coupled to the control ring to retain the spring in compressed state, the plurality of latch arms are disengaged from the control ring to release the spring when the plurality of back panels engage the plurality of latch arms.