Blu visited the surgery on Saturday after he ran into a fish tank, as fish tanks have sharp corners this made a deep wound on Blu. Wounds vary according to: Cause - puncture wounds, abrasions, or lacerations Location - paws, abdomen, eyes, etc. Level of contamination - clean (surgical) wounds, contaminated (infected) we consider all these factors when deciding the best way to treat a specific wound. Sometimes the location or the amount of skin loss prevents surgical closure o