Anesthesia Endoscope Mask is Applied to Sedation Upper Gastrointestinal Endoscopic Diagnosis and Treatment

Inclusion Criteria:

1. Age ≥ 18 years;
2. Upcoming upper gastrointestinal sedation procedure;
3. Classification under the American Association of Anesthesiologists (ASA) status I-III;
4. Baseline oxygen saturation (SpO2) ≥95% in ambient air conditions.

Exclusion Criteria:

1. Individuals with previously documented difficulties in mask ventilation (DMV);
2. Patients predisposed to aspiration risks or episodes of vomiting;
3. Facial or jaw injuries or congenital abnormalities that render conventional face maskapplication infeasible;
4. An inability or unwillingness to utilize the novel disposable anesthesia face mask.