An implant assembly for treating incontinence in a patient may include an implant and an elongated member. The implant may include a first arm, a second arm, and a central portion, the first and second arms extending from the central portion. The elongated member may extend along the first arm. The elongated member may include a tail portion at a first end portion of the elongated member, the tail portion having a planar portion, at least part of the tail portion extending beyond the central portion of the implant in a direction opposite from a direction that the first arm extends from the central portion of the implant, an envelope portion, the envelope portion defining a lumen through which the first arm extends, and a window portion comprising a single planar portion extending from the envelope portion.