The invention, in various embodiments, provides systems, devices, and methods for treating urinary incontinence.The invention also provides a driver and methods for advancing needles, cannulas, and other medical devices through the pubic bone. The driver may be used in connection with a driver frame assembly for proper positioning and stabilization of the driver, and with other devices for creating a cavity in the urethral floor and for positioning medical devices therein. The invention also provides simple connections for attaching a suture to a device within the cavity in the urethral floor or in the vagina, an also for attaching sutures to the pubic bone.