fig1
From: Negative pressure wound therapy with instillation: effects on healing of category 4 pressure ulcers
![Negative pressure wound therapy with instillation: effects on healing of category 4 pressure ulcers](https://image.oaes.cc/a96957aa-39a3-404d-bc3a-cea2c88f8039/2810.fig.1.png)
Figure 1. Sacral pressure ulcer grad IV (EPUAP) after initial debridement and NPWTi. EPUAP: the European Pressure Ulcer Advisory Panel; NPWTi: NPWT with instillation