Chronic wound
Conditions
Interventions
Experimental group:Using a homemade portable VAC device based on 3D printing, with a gastric tube and suction tube as drainage tubes, saline-soaked gauze/foam dressing as filler, and surgical adhesive
Control group:Treatment using the hospital's existing standard VAC device and its corresponding specialized dressings.
Sponsors
The Second People's Hospital of Deyang
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years, any gender. 2. Meet the diagnostic criteria for chronic wounds: wounds caused by various reasons that have not completely healed after more than 4 weeks of standard treatment. 3. Types of wounds include: diabetic foot ulcers, lower limb venous/arterial ulcers, pressure injuries (stages 2-4), traumatic ulcers, and post-surgical hard-to-heal wounds. 4. Wound area between 4 cm^2 and 100 cm^2, with a depth suitable for negative pressure therapy. 5. Voluntarily participate and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Cancerous wounds, actively bleeding wounds, or infected wounds that have not been thoroughly debrided; 2. Wounds exposing important blood vessels, nerves, tendons, or internal organs; 3. Individuals allergic to any dressings or materials used in this study (such as silicone, gauze, etc.); 4. Pregnant or breastfeeding women; 5. Individuals with severe systemic diseases (such as coagulation disorders, uncontrolled systemic infections, severe hypoproteinemia, etc.) who are deemed unsuitable to participate by the researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time for complete wound healing; | — |
Secondary
| Measure | Time frame |
|---|---|
| Wound healing rate;Granulation tissue coverage rate;Pain Score;Quality of life; | — |
Countries
China
Contacts
Public ContactHe Chunmei
The Second People's Hospital of Deyang
Outcome results
None listed