"I use Graftjacket on ulcers very frequently," he emailed me. "I used it this week to repair a ligament tear. Graftjacket or Apligraf are the two that I use most often, although there are numerous other brands."
Personally, I will keep on checking my feet carefully every evening before I go to bed. But if in spite of all my vigilance, I get a foot ulcer, I won't despair.