In one embodiment, a medical device includes an elongate member configured to be inserted into a body. The elongate member has a first end portion and a second end portion opposite the first end portion. The elongate member includes a retaining member extending from the elongate member. The retaining member is configured to anchor the elongate member with respect to bodily tissue. The first end portion of the elongate member includes a coupling portion configured to be coupled to a filament. The second end portion of the elongate member includes a coupling portion configured to be coupled to the filament.
