Lancing device Lancing device for blood glucose self-testing. For use with blood lancets. The Digitest lancing device is compatible with the most widely used, commercially available lancets. Technical features: The device allows the penetration depth to be adjusted depending on needs: depth 1 for paediatric use, 2/3 for normal skin tissue, 4/4 for thick cutaneous tissue The lancing device has a mechanism that ejects the lancet after use. The quick release mechanism for ejecting the lancet is situated in the most practical position: it allows the internal spring to be activated easily and quickly.