In one embodiment, a medical device includes a tissue anchor, and elongate member, a first needle, and a second needle. The tissue anchor has a first arm portion, a second arm portion, and a base portion extending between the first arm portion and the second arm portion. The first needle extends from the elongate member. The first needle defines a lumen configured to receive the anchor member of the first arm portion of the tissue anchor. The second needle extends from the elongate member. The second needle defines a lumen configured to receive the anchor member of the second arm portion of the tissue anchor.