US Patent 11510765 Extended-use catheters

Described is a catheter for being retained inside the body for extended periods, and a catheter mating device that can connect to the catheter to move the catheter inside of the body or remove it from the body. The catheter mating device has a stem with an apparatus at its distal end. The apparatus is moveable between a first position and a second position. When in its first position, the distal end is configured to fit in the proximal end of the catheter. When in its second position, the distal end engages the proximal end of the catheter and connects the catheter mating device to the catheter.