Control group:0.3% ropivacaine

2 trials

Sponsors

Kunming Yan'an Hospital, Yan 'an Hospital of Kunming City

Conditions

Upper limb injury

Early Phase 1

Effect of butorphanol on effective volume and anesthetic effect of ropivacaine in axillary brachial plexus block

Active, not recruitingChiCTR2300077132

Kunming Yan'an HospitalUpper limb injury

Start: 2023-11-01Updated: 2023-11-06

Study of the effective volume and anesthetic effect of hydromorphone combined with ropivacaine in ultrasound-guided supraclavicular brachial plexus

Active, not recruitingChiCTR2400094803

Yan 'an Hospital of Kunming CityUpper limb injury

Start: 2025-01-01Updated: 2025-01-06