The Characteristics of Different Personal Lancets on Blood Volume and Perceived Pain in Patients With Diabetes Mellitus

Inclusion Criteria: * Willing to sign the informed consent. * Must currently be diagnosed with either Type I or Type II diabetes mellitus. * Otherwise in good physical and mental health. * Must currently be performing self-monitoring of blood glucose (self reported). * Must be between 18-75 years of age (inclusive). * Ability to read and follow study instructions. Exclusion Criteria: * Pregnancy (self reported). * Severe poor blood circulation in the fingers. * Any skin condition on his or her fingers that prevents blood sampling. * History of a bleeding disorder. * Neuropathy or other condition affecting sensation in the hands. * Self-reported blood borne infection (e.g., HIV, hepatitis B or C, syphilis, malaria, babesiosis, brucellosis, leptospirosis, arboviral infections, relapsing fever, T lymphotropic virus Type 1, Creutzfeldt-Jakob disease). * Currently participating in another study. * History of drug or alcohol abuse within the 12 months prior to screening or evidence of such abuse. * Donation or loss of 400 mL or more of blood within 4 weeks prior to the start of the study. * Any prescription or OTC medication within two days of starting the study which might affect pain perception (for example, ibuprofen or paracetamol). * Alcohol 48 hours before study start.