Clinical Research Directory

Inclusion Criteria: 1. Patients aged 18-65 years; 2. Patients undergoing elective laparoscopic surgery; 3. American Society of Anaesthesiologists(ASA) Grade 1 to 3; 4. Anesthesia: General Anesthesia, Tracheal Intubation; 5. BMI: ≥18, \<28; 6. Gender: female 7. Patients or their family members are able to comprehend the study protocol and are willing to participate in this research by providing written informed consent. Exclusion Criteria: 1. There are incisions or scars in the wearing position of the device; 2. There is a local infection in the wearing position of the device; 3. upper extremity nerve injury; 4. history of spinal cord surgery; 5. Participated in other clinical trials within 4 weeks; 6. suffering from severe central nervous system disease or mental disorder; 7. Patients need to return to the ICU after surgery.