Ali ibn Ibrahim narrated from Muhammad ibn Isa, from Yunus, from Abdullah ibn Sinan, from Abu Abdillah عليه السلام:
I asked Imam عليه السلام about a wound - what should its owner do regarding it? Imam عليه السلام said: "He should wash around it."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 386