Prosthetic Arm: Function, Types, Cost

Author: Helen

Dec. 16, 2024

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A functional prosthetic arm significantly enhances the quality of life for individuals who have experienced an arm amputation. Designed to imitate the functionality and aesthetics of a natural arm, it enables users to engage in various daily activities. If you or someone you know has recently undergone an arm amputation, the amputee arm guide from PrimeCare Orthotics & Prosthetics is an invaluable resource.

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Different Amputation Levels for Upper Extremities

Individuals with upper limb loss have various residual limb levels, ranging from partial finger amputations to full shoulder amputations. The degree of amputation depends on injury severity and underlying conditions.

Partial Finger / Partial Thumb Amputations

Such amputations often result from traumatic incidents or medical conditions. The surgeon removes only the necessary parts of the finger or thumb to promote healing and reduce infection risks, sometimes retaining enough for basic grasping.

Metacarpal / Transmetacarpal Amputation

This is a last-resort procedure aimed at alleviating pain and restoring hand function, involving the removal of metacarpal bones and surrounding structures.

Wrist Disarticulation

This procedure removes the wrist joint, retaining the muscle and skin above the amputation, allowing for improved control with a prosthetic.

Transradial Amputation

Common among upper limb surgeries, this amputation removes either the hand, wrist, or forearm while prioritizing the preservation of surrounding tissues.

Elbow Disarticulation

This surgery entails removing the elbow joint, which impacts arm movement but still allows for some functionality with prosthetics.

Transhumeral Amputation

Involves the removal of the arm above the elbow in cases of severe trauma. The stump is fitted with a prosthesis to help retain some functionality.

Shoulder Disarticulation

This extensive procedure removes the entire arm from the shoulder, often reserved for severe medical issues.

Forequarter Amputation

This major surgery involves removing the arm, shoulder, scapula, and clavicle, necessitating a multifaceted prosthetic system.

The Importance of Rehabilitation

Post-surgical care and rehabilitation vary greatly among individuals, often requiring one to two weeks of inpatient care followed by outpatient rehabilitation.

The rehabilitation process is essential for adjustment, regaining strength, and promoting independence through physical, occupational, and psychological therapy.

What Is a Prosthetic Arm?

A prosthetic arm serves as an artificial replacement for a lost limb. It comprises various components that facilitate movement and control akin to a natural limb. Some advanced prosthetics even utilize sensors to enhance user feedback, enabling tasks like typing and playing instruments.

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What Are the Components of a Prosthetic Arm?

The components of a prosthetic arm work cohesively to provide the necessary functionality:

Limb: Made from durable materials for high comfort and stability.
Socket: Custom-fitted to the patient's limb for optimal wearability.
Suspension System: Secures the prosthesis in place with options like elastic sleeves or suction sockets.
Control System: Mechanisms, including body-powered and motor-controlled options, allow movement of the prosthetic.

How Do Prosthetic Arms Work?

There are several types of prosthetic arms available, designed to cater to individual needs:

Passive Prosthetics

Primarily for aesthetic purposes, these prosthetics offer a realistic look without any functional capabilities.

Body-Powered Prosthetics

These affordably priced prosthetics utilize cable systems to facilitate movement, utilizing the remaining body parts for manipulation.

Externally Powered (Myoelectric) Prosthetics

These sophisticated prosthetics are controlled by electrical signals from the user's muscles, allowing complex movements.

Hybrid Prosthetics

Combining body-powered and myoelectric features, these prosthetics aim for improved functionality.

Activity-Specific Prosthetics

Designed for particular tasks, these prosthetics enable individuals to participate in activities tailored to their needs.

How Much Does a Prosthetic Arm Cost?

The price of a prosthetic arm varies based on complexity. Without insurance, a cosmetic prosthetic typically costs around $5,000, while functional options can range between $10,000 and $100,000 for advanced myoelectric designs.

At PrimeCare Orthotics & Prosthetics, we offer resources to help you decide on the best prosthetic based on cost considerations.

Do You Really Want to Have a Prosthetic Arm?

Assessing readiness for a prosthetic arm is crucial, as it requires a commitment to adaptation and maintenance. Candidates must be in good health and consider several factors before proceeding.

Do you have enough soft tissue to cushion the remaining bone?
Are you experiencing unbearable pain?
What is your skin condition on the limb?
How is the range of motion in the residual limb?
Is your other arm fully functional?
What was your activity level before amputation?
What mobility objectives do you have?

If you have any questions about your candidacy, our professionals are here to assist you.

Is It a Good Idea to Buy a Ready-Made Prosthetic Arm?

While opting for a pre-made prosthetic might be cost-effective, it is essential to achieve an optimal fit for successful use. A well-fitted prosthetic facilitates mobility and improves comfort and function.