A medical implant (100, 400, 500), comprising: an expandable framework (110, 410, 510) configured to shift between a collapsed configuration and an expanded configuration, the expandable framework (110, 410, 510) comprising a plurality of interconnected struts (112, 512) defining a plurality of cells; and an occlusive element (120, 420) connected to the expandable framework (110, 410, 510) and having an inner surface and an outer surface; wherein the expandable framework (110, 410, 510) includes a plurality of securement members (140, 240, 340, 440, 540) projecting from the plurality of interconnected struts (112, 512); wherein one of the inner surface or the outer surface of the occlusive element (120, 420) is in contact with the plurality of interconnected struts (112, 512), and the other of the inner surface or the outer surface not in contact with the plurality of interconnected struts (112, 512) lies against an opposing surface of each of the plurality of securement members (140, 240, 340, 440, 540), wherein each of the plurality of securement members (140, 240, 340, 440, 540) includes a base portion (142, 242, 342) attached to the plurality of interconnected struts (112, 512), a tip portion (146, 246, 346, 546), and a body portion (144, 244, 344, 544) extending from the base portion (142, 242, 342) to the tip portion (146, 246, 346, 546), wherein at least some of the plurality of securement members (140, 240, 340, 440, 540) each have a barb (150, 250, 350, 550) projecting circumferentially therefrom, wherein the barb (150, 250, 350, 550) projecting circumferentially from at least some of the plurality of securement members (140, 240, 340, 440, 540) projects from the body portion (144, 244, 344, 544) of its respective securement member (140, 240, 340, 440, 540). an expandable framework (110, 410, 510) configured to shift between a collapsed configuration and an expanded configuration, the expandable framework (110, 410, 510) comprising a plurality of interconnected struts (112, 512) defining a plurality of cells; and an occlusive element (120, 420) connected to the expandable framework (110, 410, 510) and having an inner surface and an outer surface; wherein the expandable framework (110, 410, 510) includes a plurality of securement members (140, 240, 340, 440, 540) projecting from the plurality of interconnected struts (112, 512); wherein one of the inner surface or the outer surface of the occlusive element (120, 420) is in contact with the plurality of interconnected struts (112, 512), and the other of the inner surface or the outer surface not in contact with the plurality of interconnected struts (112, 512) lies against an opposing surface of each of the plurality of securement members (140, 240, 340, 440, 540), wherein each of the plurality of securement members (140, 240, 340, 440, 540) includes a base portion (142, 242, 342) attached to the plurality of interconnected struts (112, 512), a tip portion (146, 246, 346, 546), and a body portion (144, 244, 344, 544) extending from the base portion (142, 242, 342) to the tip portion (146, 246, 346, 546), wherein at least some of the plurality of securement members (140, 240, 340, 440, 540) each have a barb (150, 250, 350, 550) projecting circumferentially therefrom, wherein the barb (150, 250, 350, 550) projecting circumferentially from at least some of the plurality of securement members (140, 240, 340, 440, 540) projects from the body portion (144, 244, 344, 544) of its respective securement member (140, 240, 340, 440, 540).