A medical device (100) includes an elongated body (102) including an outer surface (104) having a plurality of barbs (110) extending therefrom and an inner surface (106) defining a lumen (108) therethrough. The elongated body includes at least one channel (120) extending through the inner surface and the outer surface, the channel defined between an inner surface of one of the plurality of barbs and a cut outer surface of the elongated body. A wound treatment material (W) is disposed within the lumen of the elongated body. The barb is configured to move between a first position to close the channel and retain the wound treatment material within the lumen and a second position to open the channel and permit the release of the wound treatment material therethrough.
