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How to use a prosthetic orthosis
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[Abstract]:
How to use a prosthetic orthosis
How to use the prosthesis, how to control the prosthetic orthosis, the following editor organizes the relevant content for everyone to understand.
The prosthetic orthosis is generally single-axis, but the human physiological knee joint is a compound joint. It should have horizontal movement while rotating, so it is gradually replaced by a multi-axis knee joint, which is different from a single-axis knee joint.
Compared with the knee joint, the multi-axis knee joint is stable during the support phase and is prone to transition to the swing phase.
The design of the connecting rod structure can well make the amputee maintain stability when the heel is on the ground. When off the ground, the less force of the residual limb can make the joint flexion, and it will not appear in appearance when sitting down.
problem. Usually this kind of joint is widely used in the knee joint is the four-bar linkage structure.
In addition, in order to help patients move better, the prosthetic is designed with a swing phase control device, such as a pneumatic control device. This device has the same principle as the hydraulic control device, but the adjustment of the hydraulic device is changed.
The shortcomings of restricting knee flexion during the whole gait, and compared with hydraulic knee joints, it reduces the weight and reduces the failure rate.
In the support period, the control method is basically to use muscle strength to control at will. Except for the knee joint of the automatic locking device, the joints of other structures need muscle strength to control. Knee joint
The swing phase of the hip joint is played by the flexors and extensors of the hip. If the hip flexor and extensor muscles are strong and the residual limb is long, the control device can be adjusted to a fast walking state.
The above is the compilation and release of the prosthetic editor. I hope it will be helpful to everyone. If you want to know more related knowledge or news, please consult us in time.
SHIJIAZHUANG AOSUO O&P
How to use a prosthetic orthosis
How to use the prosthesis, how to control the prosthetic orthosis, the following editor organizes the relevant content for everyone to understand.
The prosthetic orthosis is generally single-axis, but the human physiological knee joint is a compound joint. It should have horizontal movement while rotating, so it is gradually replaced by a multi-axis knee joint, which is different from a single-axis knee joint.
Compared with the knee joint, the multi-axis knee joint is stable during the support phase and is prone to transition to the swing phase.
The design of the connecting rod structure can well make the amputee maintain stability when the heel is on the ground. When off the ground, the less force of the residual limb can make the joint flexion, and it will not appear in appearance when sitting down.
problem. Usually this kind of joint is widely used in the knee joint is the four-bar linkage structure.
In addition, in order to help patients move better, the prosthetic is designed with a swing phase control device, such as a pneumatic control device. This device has the same principle as the hydraulic control device, but the adjustment of the hydraulic device is changed.
The shortcomings of restricting knee flexion during the whole gait, and compared with hydraulic knee joints, it reduces the weight and reduces the failure rate.
In the support period, the control method is basically to use muscle strength to control at will. Except for the knee joint of the automatic locking device, the joints of other structures need muscle strength to control. Knee joint
The swing phase of the hip joint is played by the flexors and extensors of the hip. If the hip flexor and extensor muscles are strong and the residual limb is long, the control device can be adjusted to a fast walking state.
The above is the compilation and release of the prosthetic editor. I hope it will be helpful to everyone. If you want to know more related knowledge or news, please consult us in time.
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