Trividia TRUEdraw Lancing Device.Lancing devices are reusable medical devices used in conjunction with a lancet for obtaining capillary blood samples for blood glucose monitoring. The device is loaded by pulling back on the lance body. This activates a spring, which places a linear spring load on the lancet and locks the lancet in a retracted state. The internal lancet holder is locked in place via a trigger latch located on the internal lancet holder. The lancet is released (fired) by the user via a trigger button on the outside of the device. An adjustable tip allows for various the depths of skin penetration appropriate for each user. For alternate site testing a clear nozzle is provided which is to be used in place of regular nozzle.