a self - catheterization aid for use by male patients having impaired wrist , hand and finger movement due to traumatic spinal cord injury or neuromuscular diseases . the self - catheterization aid comprises a strip of flexible material having an arcuate semi - annular shape . the patient fits the device around his penis to form a circumferential tubular support platform that stabilizes the penis to allow for self - catheterization with either an indwelling catheter or an intermittent internal catheter . the device is easily manipulated by patients having impaired hand and wrist movement .