The Effects of Phellodendron Decoction on Wound Healing of Anal Fistula after Anal Fistulotomy

Figure 2

The fumigation and sitting bath treatment with Compound Phellodendron decoction. (a) The temperature can be adjusted by the fumigating and sitting bath apparatus. (b) The Compound Phellodendron decoction was continuously heated and exposed to the anal fistula wound.