A wound insert or wound packing (26, 126, 226, 326, 426, 526, 626, 726, 826, 926) for preventing wound closure is provided. Such packing (26, 126, 226, 326, 426, 526, 626, 726, 826, 926) may be used alone or in regular bandages or in vacuum bandages (18) or in irrigation bandages (18). Some illustrative wound inserts (26, 126, 226, 326, 426, 526, 626, 726, 826, 926) are configured for placement within an undermined portion or a tunneled portion (16) of a wound (12).
