​ Conditions: Biliary Tract Diseases; Procedural Sedation and Analgesia

Interventions: Drug: Esketamine; Drug: Sufentanil

Sponsors: Ren Da

Not yet recruiting Conditions: Biliary Tract Diseases; Procedural Sedation and Analgesia
Interventions: Drug: Esketamine; Drug: Sufentanil
Sponsors: Ren Da
Not yet recruiting