The choice of rehabilitation training equipment for a paralyzed patient varied according to the patient's condition. Common rehabilitation training equipment included functional electrical stimulators, walking aids for half-body rehabilitation, rehabilitation equipment for paralyzed patients, rehabilitation equipment for lower limb paralysis, rehabilitation equipment for cerebral paralysis, exoskeleton robots, etc. The functional electrical stimulation device uses electrical stimulation to stimulate muscle contraction, thereby increasing muscle strength and improving motor function. The walking aid for half-body rehabilitation was a kind of training equipment to help paralyzed patients walk. The rehabilitation equipment for paralyzed patients included a multi-functional upper limb rehabilitation trainer and a hand rehabilitation trainer. The rehabilitation equipment for lower limb paralysis included walking artifacts for the elderly with paralysis, rehabilitation training equipment for leg paralysis, and so on. The rehabilitation equipment for cerebral paralysis included a balance board. The exoskeleton robot was an innovative medical robot used to help patients with spinal cord injuries and stroke with rehabilitation training and evaluation. It was necessary to choose the appropriate rehabilitation equipment according to the patient's specific condition.
A simple Nezuko and Zenitsu fanfiction could be that they go on a journey together. Along the way, they encounter other demon slayers who are initially skeptical of Nezuko. But Zenitsu stands up for her, explaining that she's different. This shows the depth of their friendship and how Zenitsu has come to trust Nezuko completely.
One common theme is self - discovery. Since Zenitsu has a complex personality, many fanfics focus on him finding out more about himself, his powers, and his place in the world. Another theme is friendship. He often forms strong bonds with other characters in fanfics, like Tanjiro and Inosuke.