Quantitive And Qualitive Assessment Of The Oxygen Delivery And EtCO2 Sampling With The Smart Bite Block Mark III During An Upper Endoscopic Procedure Under Sedation

Inclusion Criteria: * For the Adults Bite Bloc:Adults \>18 years old and able to understand and give consent per the Ethics committee requirements,or younger patients requiring an Adult size Bite Bloc in the opinion of the PI for whom the legal guardians consented for the participation of the trial. * Patients consented or which their legal guardians consented for the participation of this trial. * Clinical need to use a Bite Bloc to maintain an open mouth and protect the endoscope. * Pediatric patients:patients with small mouth that the PI thinks require a Pediatric Bite Bloc (36 French),which their legal guardians consented for the participation of this trial. Exclusion Criteria: * Patients who are pregnant. * Patients who in the opinion of the investigator should not participate. * For Pediatric Bite Bloc:patients who need an Adult Bite Bloc to the investigators opinion or above the age of 12. * Patients receiving oral or intravenous anticoagulants other than Aspirin or Plavix.