Pneumatic joint and hydraulic joint thigh prosthesis are both passive prostheses, which are driven to walk by the swing of the thigh stump. They are designed and made from the real legs of the human body at different times, and simply put, pneumatic joints are similar to the joints of older people, and hydraulic joints are similar to the joints of young people, so most people would say that pneumatic joints are suitable for older people, hydraulic joints are suitable for younger people.

Thigh prosthesis is mainly divided into pneumatic joint, hydraulic joint and intelligent prosthetic joint. Prosthetic joint is the most important accessory of thigh prosthesis. Whether the thigh prosthesis is good or not still depends on the joint.

Hydraulic follow is better, gait effect is better, of course, will be expensive, but for the usual need to exercise patients absolutely value for money. However, the hydraulic joint also has a disadvantage that the cylinder is filled with oil, if it is too cold, it will affect the performance of the prosthesis. There are also prosthetics put on the joint has some impact, usually not when the need to put the prosthesis is standing, can not be put in disorder.

Hydraulic joint thigh prosthesis belongs to high-end prosthesis, which has low liquid compression rate (high stability), large motion damping, small swing range of joints, and is suitable for young people to exercise extensively. Pneumatic joints, no matter how many axes, are not as good as hydraulic joints. But good joints are not always a good fit, because different people have different performance requirements for prosthetics. If it's an older person who doesn't do much exercise, the effect of installing a hydraulic joint or pneumatic joint is about the same, but the hydraulic joint is much more expensive than the pneumatic joint, it costs a lot of money to install the hydraulic joint and the effect is about the same as the cheap pneumatic joint, I believe that many patients know how to choose. If you are a young person who is doing some sports, like jogging or playing basketball, you will not be as effective as a hydraulic joint. Therefore, the hydraulic joint is relatively suitable for some prosthesis patients who usually move more.