Milky Way Sensor: Device Validation for Infiltrated Tissues

Inclusion Criteria: * 18 years of age or older * Healthy, verified by an eligible designation on the Health History Form Exclusion Criteria: * Abnormal bleeding / hemophilia * Absence of sensation in one or both arms * Allergy to common medical materials * Blood clotting disorder * Currently enrolled in another clinical trial * Current hepatitis infection or any history of hepatitis B or C * Currently pregnant * Daily regimen of blood thinning medication (e.g., aspirin, ibuprofen, naproxen, Coumadin®/warfarin, Eliquis®/apixaban). * Fever at the time of study visit (≥100.4°F) * Frequent dizziness or fainting spells, especially with needles * History of chronic, severe anemia * History of stroke * HIV / Aids * Immune deficiency disorder * Lymphedema * Major surgery or scar tissue which would complicate PIV access * Needle phobia * Radiation / chemotherapy in the last year * Received IV therapy in 14 days prior to study visit * Severe dehydration on day of study visit * Sick or had an infection in 14 days prior to study visit * Tattoo(s) that severely limits vein visualization at a sensor monitoring location * Unstable or uncontrolled cardiopulmonary disorder * Uncontrolled seizures