Brachial plexus block
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Aged 18 to 65 years old, ASA I~III grade; Operators who need brachial plexus block for elective upper limb surgery anesthesia; BMI in 18 ~ 30 kg/m2; Agree to participate in this clinical trial and voluntarily sign the informed consent.
Exclusion criteria
Exclusion criteria: Abnormal coagulation; Infection or tumor at the puncture site; The patient is unable to cooperate due to neurological or psychiatric diseases; Local anesthetic drug allergy; Women who are pregnant or lactating; Who are participating in or have participated in other clinical trials within 3 months; The investigator's clinical judgment is not suitable for participants in this clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| contrast-to-noise ratio; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visibility score for anesthetic puncture needles;Operating time;Postpuncture Complications;Anesthesia effect; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Sun Yat-Sen University