Evaluate the Effectiveness of Crosslinked HA on the Adhesion Preventing After Trigger Finger Release Surgery

Inclusion Criteria: 1. Agree to participate in this study and sign informed consent form 2. Age 20 to 65 years of male or female 3. The trigger finger, except thumb, classified as 3 to 4 points and plan to conduct trigger finger release surgery; 4. The trigger finger, except thumb, classified as 2 points with the symptom of flexion contracture and plan to conduct trigger finger release surgery; 5. Agree to comply with the follow-up schedule of this study Exclusion Criteria: 1. Target finger has other adhesion in tendon, joint, or proximal nerve, neuropathy, compression injury or other disease; 2. Other fingers in the same hand as the target finger have other adhesion in tendon, joint, or proximal nerve, neuropathy, or compression injury; 3. Contralateral finger has other adhesion in tendon, joint, or proximal nerve, neuropathy, or compression injury; 4. The operation site was conducted tendon transplantation or any surgery in past 6 months; 5. Receiving orthopedic-related treatment which may affect the evaluation of the study; 6. The skin of the operation site with infection, deficiency, or needing skin transplantation; 7. With poorly controlled chronic diseases, such as diabetes mellitus; 8. Patient with autoimmune disease (such as rheumatoid arthritis), malignant tumors, coagulation diseases, heart diseases, mental diseases, etc., may cause patients to participate in the trial at higher risk; 9. Patient who has taken cortisol within the past 6 months, systemic corticosteroids within the past 2 months, immunosuppressive drugs within past 3 months, or non-steroidal anti-inflammatory drugs (NSAIDs) everyday within 1 week or NSAIDs within 8 hours occasionally. (subjects who have received inhaled/intranasal corticosteroids could be considered to include.); 10. With clinical meaningful coagulation disorders, underdoing anticoagulant treatment or taking blood circulation promotion and blood stasis removement medications within the past 10 days; 11. With history of hypersensitivity or allergy to hyaluronic acid or any component of the device; With history of hypersensitivity or allergy to Gram-positive bacteria or Streptococcus proteins; other severe hypersensitivity history unsuitable for participating in the study; 12. Pregnant, planning pregnancy or in breastfeeding females; 13. Other circumstances which judged to be unsuitable for participating in the study by the investigator.