Assess Veinplicity Venous Access Device Safety and Effectiveness

Inclusion Criteria: * Subject ≥ 18 years of age * Subject with history of failed venous access, venipuncture, or IV cannula placement * Subject agreed to required follow-up * Subject provided written, informed consent Exclusion Criteria: * Subject currently had compromised skin on either forearm or hand * Subject currently on any blood thinning medication other than 81mg of aspirin * Subject had been diagnosed with peripheral neuropathy, has had a complex fracture or surgery in the forearm, or has other condition that diminishes sensation in one or both arms, hands or fingers * Subject had a demand type pacemaker or defibrillator * Subject is female of child-bearing potential and had a positive urine pregnancy test * Subject had a history of seizure, convulsions or epilepsy * Subject had a known allergy to Epsom salts * Subject had any other condition that may affect the ability to complete study requirements