Figure 1. Typical Progress of Pressure Wound Healing.

Top row: A patient with a pressure ulcer who used a regular wheelchair (control). A, Day 1. B, Day 16. C, Day 32. Bottom row: A patient with a pressure ulcer who was in the treatment group and used a cyclical pressure-relief protocol. D, Day 1. E, Day 15. F, Day 31. Wound size and appearance can be assessed relative to the target plate.