Above Knee, Molded Socket, Single Axis Constant Friction Knee, Shin, SACH Foot (L5200)

Name of the Procedure:

Common Names: Above Knee Prosthesis, AK Prosthesis
Technical Terms: Above Knee, Molded Socket Prosthesis, Single Axis Constant Friction Knee, Shin, SACH (Solid Ankle Cushioned Heel) Foot

Summary

An above-knee prosthesis is a custom-fitted artificial limb used to replace a leg that is missing above the knee. It includes a molded socket for the residual limb, a knee unit that allows controlled movement, a shin component, and a SACH foot designed to mimic natural foot function.

Purpose

The procedure is intended to restore mobility and function to individuals who have had a leg amputated above the knee. Goals include facilitating standing, walking, and other daily activities.

Indications

• Amputation above the knee due to trauma, disease, or congenital conditions.
• Individuals who seek improved mobility and independence.
• Patients who meet criteria for prosthetic fitting, including sufficient residual limb health and physical capability for rehabilitation.

Preparation

• Consultation with a prosthetist and a physical therapist.
• Measurement and casting of the residual limb for a custom-fitted socket.
• Medically stabilizing any underlying conditions and ensuring the residual limb is prepared and healed.

Procedure Description

1. Casting and Measurement: A mold of the residual limb is taken to create a custom socket.
2. Socket Fabrication: The socket is made from durable materials to fit the precisely molded cast.
3. Fitting: The socket is attached to a single-axis knee joint with constant friction mechanisms, a shin, and a SACH foot.
4. Adjustments: The prosthetist may make adjustments to ensure a proper fit and comfort.
5. Training: The patient undergoes physical therapy to learn how to use the prosthesis effectively.

Duration

The initial fitting and adjustments may take 1-2 hours, with additional time for physical therapy and follow-up appointments as needed.

Setting

Prosthetic fitting typically occurs at a specialized prosthetic clinic, with physical therapy sessions provided in outpatient settings.

Personnel

• Prosthetist: Designs and fits the prosthesis.
• Physical Therapist: Assists with mobility training and exercises.
• Physician: Oversees the overall treatment plan and recovery.

Risks and Complications

• Skin irritation or pressure sores at the socket site.
• Alignment or fit issues requiring readjustment.
• Potential for mechanical failure of prosthetic components.

Benefits

• Improved mobility and independence.
• Enhanced ability to perform daily activities.
• Psychological and social benefits from improved function and appearance.

Recovery

• Initial adaptation period of a few weeks to several months.
• Regular follow-up appointments to make adjustments as needed.
• Physical therapy to enhance strength, balance, and gait.

Alternatives

• Wheelchair or other mobility devices.
• Alternative types of prosthetic limbs with different joint mechanisms and features.
• Benefits of prosthesis include increased mobility and independence, while alternatives may be less physically demanding but may limit mobility.

Patient Experience

Patients may initially experience discomfort as they adapt to the new prosthesis. Physical therapy helps mitigate discomfort and improve usage. Pain management strategies and frequent consultations help ensure comfort and effective use.