Go to the medical equipment store or drugstore near the hospital to find crutches. These places will have various types and styles of crutches to choose from.

You can also buy it online. Many e-commerce platforms, such as JD.COM and Taobao, have websites selling crutches. You can check product details, compare prices and even read comments from other consumers on these websites to make the best choice.

You need custom-made or specially designed crutches, and you need to find a special medical device company or institution. Personalized services can be provided according to specific needs.