WEI NASAL JET for The Sedation of Outpatient Upper Gastrointestinal Endoscopy
Conditions
- Peptic Ulcer
- Gastric Cancer
- Esophagus Cancer
- Oesophagitis
- Hypoxia
Interventions
- DEVICE: WEI NASAL JET
- DEVICE: Nasopharyngeal airway without jet ventilator
Sponsor
RenJi Hospital
Collaborators
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