#$%^&*AU2018202363A120180510.pdf#####Abstract A medical device, comprising: a urological device; and a retrieval string attached to the urological device, the retrieval string having a proximal end connected the urological device and an opposed distal end, wherein the retrieval string comprises a ferromagnetic material. In an alternative embodiment, the retrieval string comprises a hydrodynamic cap connected to the distal end. Furthermore, a method of removing the urological device from a patient by pulling the at least one retrieval string and the attached urological device through and out of the urethra of the patient is also provided.