Desaturation Validation of INVSENSOR00038

Inclusion Criteria:

• Subject is between 18 and 50 years of age.
• Subject weighs a minimum of 110 lbs and no more than 250 lbs unless subject is over 6 feet tall.
• Must have a hemoglobin value greater than or equal to 11 g/dL.
• Baseline heart rate ≥ 45 bpm and ≤ 85 bpm.
• Blood Pressure (Systolic BP < 140 mmHg and Diastolic BP < 90 mmHg).
• Carbon Monoxide (CO) value less than or equal to 2.0% fractional carboxyhemoglobin (FCOHb)
• Subject has a physical status of ASA I or II (American Society of Anesthesiology Class I; Healthy subjects without any systemic disease at all. American Society of Anesthesiology Class II; subjects with mild systemic disease) as it applies to the systemic disease portion of the classification.
• Subject is able to read and communicate in English and understands the study and risks involved.

Exclusion Criteria:

• Subject is pregnant.
• Subject smokes (including e-cigarette use).
• Subject has a BMI > 35 and has been classified as morbidly obese or at an increased risk for participation by a medical professional.
• Subject has a history of fainting (vasovagal), blacking out or losing consciousness during or after a blood draw, or has a fear of blood draws.
• Subject has open wounds, inflamed tattoos or piercings and/or visible healing wounds that a medical professional renders them at an increased risk for participation.*
• Subject experiences frequent or severe headaches and/or migraine headaches, migraine auras, altitude sickness, and/or headaches accompanied by visual changes or sensitivity to light or sound.
• Subject has known drug or alcohol abuse and/or uses recreational drugs.
• Subject has experienced a concussion or head injury with loss of consciousness within the last year.
• Subject has any chronic bleeding disorders (i.e. hemophilia).
• Subject has any history of a stroke, myocardial infarction, seizures or heart attack.
• Subject has any cancer or history of cancer (not including skin cancer)*.
• Subject has a known neurological and/or psychiatric disorder (i.e. schizophrenia, bipolar disorder, Multiple Sclerosis, Huntington's disease) that interferes with the subjects' level of consciousness.
• Subject has any cardiac dysrhythmia(s) (i.e. atrial fibrillation) and has not received clearance by their physician to participate.
• Subject has Wolff-Parkinson-White Syndrome or Stokes-Adams Syndrome.
• Subject has taken anticoagulant medication within the last 30 days (excluding nonsteroidal anti-inflammatory drugs (NSAIDS)).
• Subject has donated blood within the past 4 weeks.
• Subject has taken opioid pain medication within 24 hours before the study.
• Subject has any type of infectious disease (i.e. Hepatitis, HIV, Tuberculosis, Flu, Malaria, Measles, etc.).
• Subject is taking medications known to treat any type of infectious disease.
• Subject has either signs or history of peripheral ischemia or carpal tunnel syndrome.
• Subject has had invasive surgery within the past year- including but not limited to major dental surgery*, appendix*, plastic surgery*.
• Subject has had invasive surgery within the past year- including but not limited gallbladder, major fracture repairs (involving plates/ screws), jaw surgery, urinary tract surgery, major ENT surgery, joint replacement or gynecological surgeries, heart surgery or thoracic surgery.
• Subject has symptoms of congestion, head colds, flu or other illnesses.
• Subject is claustrophobic and/or has generalized anxiety disorder.
• Subject has been in severe car accident(s) or a similar type of accident(s) requiring hospitalization within the last 12 months.
• Subject has chronic unresolved asthma, lung disease or respiratory disease.
• Subject is allergic to lidocaine, latex, adhesives, or plastic.
• Subject has a heart condition, insulin-dependent diabetes or uncontrolled hypertension.
• Subject has delivered vaginally, has had a pregnancy terminated, a miscarriage with hospitalization or had a C-section within the last 6 months.
• Subject has any medical condition which in the judgment of the investigator and/or medical staff, renders them ineligible for participation in this study (Discretion of investigator/study staff).