HUMSCs Combined With Col I to Third-Degree Burn Wound

Inclusion Criteria: * Aged 18-65 years, gender unrestricted * Confirmed third-degree burns, wound area 1%-5% TBSA * Admission within 72 hours after burn injury * Voluntarily signed informed consent * Able to cooperate and complete follow-up Exclusion Criteria: * Pregnant or lactating females * Severe immunodeficiency or autoimmune disease * History of malignant tumor, or coagulation dysfunction * Severe cardiac, hepatic, or renal insufficiency * Hypersensitivity to collagen or stem cell components * Uncontrollable severe wound infection * Participation in other clinical studies within the past 3 months * Inability to comply with follow-up