A Study of Two Types of Absorbable Surgical Sutures in the Suturing of Thyroid Surgery Incision

Inclusion Criteria: 1. The subject is ≥18, and \<70 years old 2. Planned open thyroid surgery, adopting an anterior cervical curved incision (Kocher's incision); 3. Subject who volunteers to participate in this study, follows the study requirements and follow-up visit and signs the written Informed Consent Form voluntarily; 4. Subject who agrees to not schedule any elective surgical operation except the study surgery before the study is completed; 5. The investigator considers the subject's expected postoperative survival time is not less than 3 months. Exclusion Criteria: 1. Female subjects who are pregnant or lactation at screening; 2. Preoperative clinical staging shows stage IV thyroid cancer, or cervical lymph nodes dissection is planned; 3. Suspected or confirmed anaplastic thyroid cancer; 4. Peripheral vascular disease affecting blood supply of the neck; 5. Active infectious collagenosis (e.g. scleroderma), or any other disease that would interfere with wound healing; 6. Fasting plasma glucose ≥7.7 mmol/L; 7. History of coagulation diseases; 8. Current oral or intravenous antibiotic therapy for existing disease or infection; 9. History of immunosuppressant use (e.g. steroids) within the last 6 months; 10. Chemotherapy or radiotherapy within the last 6 months, or planned chemotherapy or radiotherapy during the study; 11. Personal or family history of keloid formation or hyperplasia; 12. Current participation in any other drug (within 30 days or within 5 half-lives of the investigational drug) or device clinical study; 13. History of any thyroid surgery, except thyroid fine-needle aspiration biopsy; 14. Planned use of skin adhesive at the incision site; 15. The subject is not suitable for participating in this study for any other reasons, as judged by the investigator.