A wound closure device comprising: a collapsible structure (200, 500, 800), the collapsible structure comprising: a top layer (202, 502, 802) and a bottom layer (204, 504, 804), wherein the top layer (202, 502, 802) and the bottom layer (204, 504, 804) are partially adhered to each other; a volume between the top layer and the bottom layer; and a plurality of elongate cells (210, 510, 810) each having a length and a width, the plurality of elongate cells (210, 510, 810) arranged side-by-side in at least a portion of the volume, the cells in the plurality of elongate cells (210, 510, 810) arranged parallel to one another, wherein said plurality of elongate cells (210, 510, 810) are defined by at least one of the top layer (202, 502, 802) or the bottom layer (204, 504, 804), wherein at least one of the plurality of elongate cells (210, 510, 810) is inflatable, and wherein each of said plurality of elongate cells (210, 510, 810) are configured to be fluidically isolated such that each of the inflatable cells of the plurality of elongate cells (210, 510, 810) is selectively deflatable; the wound closure device further comprising a negative pressure source configured to supply negative pressure to the collapsible structure (200, 500, 800) to cause collapse of the collapsible structure (200, 500, 800) and cause the collapsible structure (200, 500, 800) to apply a force to the wound. a collapsible structure (200, 500, 800), the collapsible structure comprising: a top layer (202, 502, 802) and a bottom layer (204, 504, 804), wherein the top layer (202, 502, 802) and the bottom layer (204, 504, 804) are partially adhered to each other; a volume between the top layer and the bottom layer; and a plurality of elongate cells (210, 510, 810) each having a length and a width, the plurality of elongate cells (210, 510, 810) arranged side-by-side in at least a portion of the volume, the cells in the plurality of elongate cells (210, 510, 810) arranged parallel to one another, wherein said plurality of elongate cells (210, 510, 810) are defined by at least one of the top layer (202, 502, 802) or the bottom layer (204, 504, 804), wherein at least one of the plurality of elongate cells (210, 510, 810) is inflatable, and wherein each of said plurality of elongate cells (210, 510, 810) are configured to be fluidically isolated such that each of the inflatable cells of the plurality of elongate cells (210, 510, 810) is selectively deflatable; a top layer (202, 502, 802) and a bottom layer (204, 504, 804), wherein the top layer (202, 502, 802) and the bottom layer (204, 504, 804) are partially adhered to each other; a volume between the top layer and the bottom layer; and a plurality of elongate cells (210, 510, 810) each having a length and a width, the plurality of elongate cells (210, 510, 810) arranged side-by-side in at least a portion of the volume, the cells in the plurality of elongate cells (210, 510, 810) arranged parallel to one another, wherein said plurality of elongate cells (210, 510, 810) are defined by at least one of the top layer (202, 502, 802) or the bottom layer (204, 504, 804), wherein at least one of the plurality of elongate cells (210, 510, 810) is inflatable, and wherein each of said plurality of elongate cells (210, 510, 810) are configured to be fluidically isolated such that each of the inflatable cells of the plurality of elongate cells (210, 510, 810) is selectively deflatable; the wound closure device further comprising a negative pressure source configured to supply negative pressure to the collapsible structure (200, 500, 800) to cause collapse of the collapsible structure (200, 500, 800) and cause the collapsible structure (200, 500, 800) to apply a force to the wound.