A pelvic organ prolapse treatment device includes an implantable support configured to treat a prolapsed area of a patient such as urethrocele prolapse, cystocele prolapse, vault prolapse, uterine prolapse, enterocele prolapse, or rectocele prolapse. The support includes a body portion and an arm connected to the body portion, a knot connecting a suture to an end portion of the arm, and a tubular dilator disposed over and permanently connected to the knot. The tubular dilator has an aspect ratio of greater than 7.