Study Evaluating the Safety, Efficacy and Pharmacokinetics of SYH9089 Injection in Patients Undergoing Abdominal Surgery.
Conditions
Interventions
- DRUG: SYH9089 injection
- DRUG: Ropivacaine hydrochloride
- DRUG: 0.9 % sodium chloride
Sponsor
CSPC Ouyi Pharmaceutical Co., Ltd.