How to adjust the artificial joint air pressure valve

Turn left and turn right. Prosthetic prosthesis is an artificial prosthesis specially designed, manufactured and assembled by means and methods of engineering technology to make up for amputees or disabled limbs, also known as "prosthesis". Left-right rotation adjustment of artificial joint pneumatic valve. The connection between bones is called bone connection. Bone connection can be divided into direct connection and indirect connection, and joint is a form of indirect connection.