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Prosthetic knee joint-pneumatic knee joint

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Prosthetic knee joint-pneumatic knee joint

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[Abstract]:
Prosthetic knee joint-pneumatic knee joint 

There is an inflatable cylinder in the pneumatic knee joint. During the early swing, the piston will fall into the cylinder, and during the later swing, it will rise into the piston. Because air is also a kind of fluid, the damping is proportional to the speed of motion. The faster a person walks, the greater the resistance, thus reducing the asymmetry between residual limb movement and prosthetic limb movement. Pneumatic knee joint is usually lighter and cheaper than hydraulic knee joint. However, hydraulic knee joint pace control is better. After all, the density of air is lower than the viscosity of oil.

Prosthetic knee joint-pneumatic knee joint There is an inflatable cylinder in the pneumatic knee joint. During the early swing, the piston will fall into the cylinder, and during the later swing, it will rise into the piston. Because air is also a kind of fluid, the damping is proportional to the speed of motion. The faster a person walks, the greater the resistance, thus reducing the asymmetry between residual limb movement and prosthetic limb movement. Pneumatic knee joint is usually lighter and cheaper than hydraulic knee joint. However, hydraulic knee joint pace control is better. After all, the density of air is lower than the viscosity of oil.

 

SHIJIAZHUANG AOSUO O&P

Prosthetic knee joint-pneumatic knee joint 

There is an inflatable cylinder in the pneumatic knee joint. During the early swing, the piston will fall into the cylinder, and during the later swing, it will rise into the piston. Because air is also a kind of fluid, the damping is proportional to the speed of motion. The faster a person walks, the greater the resistance, thus reducing the asymmetry between residual limb movement and prosthetic limb movement. Pneumatic knee joint is usually lighter and cheaper than hydraulic knee joint. However, hydraulic knee joint pace control is better. After all, the density of air is lower than the viscosity of oil.

Prosthetic knee joint-pneumatic knee joint There is an inflatable cylinder in the pneumatic knee joint. During the early swing, the piston will fall into the cylinder, and during the later swing, it will rise into the piston. Because air is also a kind of fluid, the damping is proportional to the speed of motion. The faster a person walks, the greater the resistance, thus reducing the asymmetry between residual limb movement and prosthetic limb movement. Pneumatic knee joint is usually lighter and cheaper than hydraulic knee joint. However, hydraulic knee joint pace control is better. After all, the density of air is lower than the viscosity of oil.

 

SHIJIAZHUANG AOSUO O&P