A device for providing access through and sealing of a puncture in tissue, comprising: a main body, comprising a distal portion having a distal end and a distal lumen and a proximal portion having a proximal end and a proximal lumen, the distal lumen being sized to receive the proximal lumen, thereby creating a continuous internal lumen through the main body; a plurality of prongs extending from the distal end of the distal portion of the main body, each of the prongs comprising a proximal end secured to the distal end of the distal portion of the main body, each of the prongs further comprising a distal end, wherein each of the prongs comprises a straight configuration wherein the prong is generally straight and extends generally distally from the main body distal portion such that the distal end of the prong is positioned distally of the main body, each of the prongs further comprising a bent configuration wherein the prong is generally curved such that the distal end of the prong is positioned radially outward from the main body and the distal end of the prong is positioned proximally of the distal portion of the main body; characterized in that the main body is generally elongated and radially-expandable and has an unexpanded configuration having an unexpanded outer diameter, and has further an expanded configuration having an expanded outer diameter; wherein the device comprises a delivery configuration, an access configuration, and a closed configuration, and further wherein in the delivery configuration the main body is in the unexpanded configuration and the prongs are in the straight configuration; wherein in the access configuration the main body is in the expanded configuration and the prongs are in the curved configuration; and wherein in the closed configuration the main body is in the unexpanded configuration and the prongs are in the curved configuration. a main body, comprising a distal portion having a distal end and a distal lumen and a proximal portion having a proximal end and a proximal lumen, the distal lumen being sized to receive the proximal lumen, thereby creating a continuous internal lumen through the main body; a plurality of prongs extending from the distal end of the distal portion of the main body, each of the prongs comprising a proximal end secured to the distal end of the distal portion of the main body, each of the prongs further comprising a distal end, wherein each of the prongs comprises a straight configuration wherein the prong is generally straight and extends generally distally from the main body distal portion such that the distal end of the prong is positioned distally of the main body, each of the prongs further comprising a bent configuration wherein the prong is generally curved such that the distal end of the prong is positioned radially outward from the main body and the distal end of the prong is positioned proximally of the distal portion of the main body; characterized in that the main body is generally elongated and radially-expandable and has an unexpanded configuration having an unexpanded outer diameter, and has further an expanded configuration having an expanded outer diameter; wherein the device comprises a delivery configuration, an access configuration, and a closed configuration, and further wherein in the delivery configuration the main body is in the unexpanded configuration and the prongs are in the straight configuration; wherein in the access configuration the main body is in the expanded configuration and the prongs are in the curved configuration; and wherein in the closed configuration the main body is in the unexpanded configuration and the prongs are in the curved configuration.