Efficacy of a Transparent Silicone Membrane With Physical Microstructure for Second-degree Burn Wounds and Skin Graft Wounds

The goal of this clinical trial is to comparison of physical microstructure-modified transparent silicone films and current conventional trauma dressings for second-degree burn wounds and post-skin graft wounds.The main question it aims to answer is :

The development of a new type of wound dressing is urgently needed because existing wound dressings cannot be transparent, easy to change, easy to store and inexpensive at the same time.

Participants will receive routine wound treatment, after which they will be covered with a clear silicone membrane with physical microstructure modification.

Researchers will compare vaseline gauze group and decellularised pigskin group o see if transparent silicone film with physical microstructure modifications promotes wound healing, reduces the number of dressing changes, reduces the damage to the wound and painful irritation to the patient during dressing changes, thus improving the quality of wound repair and saving medical costs.

In this study, a single-centre, autologous petrolatum gauze or decellularised pig skin treatment was used to study the effect of physical microstructure-modified transparent silicone membranes on the repair of second-degree burn wounds and implant-area wounds in a parallel controlled study using a randomised controlled clinical trial. In this study, 40 patients were enrolled in the burn surgery department of the First Affiliated Hospital of the Naval Military Medical University, with 20 second-degree burn wounds and 20 implant-area wounds each. The same patients were divided into a conventional treatment group (second-degree burn wounds covered with decellularized pig skin and implant-area wounds covered with petroleum jelly gauze) and a silicone film-covered group according to the computerized random number method. After routine clinical treatment of the wounds, the wounds were covered with the corresponding dressings according to the groups, and the healing rate, transparency of the dressings, adhesion of the dressings to the wounds, pain level of the patients when the dressings were removed, infection rate of the wounds and incidence of adverse reactions were observed.

Eligibility Criteria:
Inclusion Criteria:

* Age 12 to 70 years, regardless of gender;
* Second-degree burns with an area greater than 1% TBSA and a single observable trauma area ≥ 10 cm × 10 cm(jointly determined by two burn specialists with the title of attending physician or above according to the four degrees and five points method);
* Voluntary signed informed consent form

Exclusion Criteria:

* Patients during pregnancy;
* Significant cardiac, pulmonary and renal insufficiency;
* Critically ill or with serious complications such as severe sepsis or MODS;
* Positive for HBV, HCV, HIV or syphilis;
* Traumatic surface infection;
* Involving the face, hands, groin, joints, feet and other areas difficult to bandage and fix; previous burn trauma treatment; previous burns on the same site; electrical burns; patients with inhalation injuries.
* Known sensitivity or allergy to one of the dressings or its components; diabetes mellitus; presence of immune system disorders or long-term hormone or immunotherapy
* Others who, in the opinion of the investigator, are not suitable for enrollment.