Devices and methods for vascular closure are disclosed. The invention may be an apparatus having a first catheter comprising a first balloon lumen and a support balloon in pneumatic communication with the first balloon lumen, a sheath having a hood portion, a second catheter comprising a second balloon lumen and an expander balloon in pneumatic communication with the second balloon lumen, and a pusher assembly having a bandage. A method of using such an apparatus may comprise the steps of inserting the apparatus into the vasculature through the puncture, positioning the sheath outside of the puncture, inflating the support balloon, inserting the second catheter into the sheath, inflating the expander to expand the hood portion of the sheath, deflating the expander balloon, positioning the pusher assembly within the hood portion, deflating the support balloon, removing the first catheter, and affixing the bandage on the puncture.
