Prosthetic Foot Design and Suspension Systems

These flashcards cover key concepts, designs, and attributes related to prosthetic foot designs and suspension systems, aimed at aiding students in preparing for examinations.

Prosthetic Foot Design

The design of artificial feet applicable to various amputation levels, focusing on functionality and patient needs.

SACH Foot

Solid Ankle Cushioned Heel foot, first introduced in 1956; provides stability through a firm keel surrounded by foam.

K Level

A classification system evaluating a patient's potential mobility and functional needs, ranging from K1 to K4.

Function of Prosthetic Foot/Ankle System

Includes joint simulation, shock absorption, balance, and enhancing transitional movements.

Multiaxial Foot Design

A prosthetic foot that allows movement in multiple planes, beneficial for uneven terrain.

Dynamic Response Design

A prosthetic foot that absorbs forces during loading and releases energy during pre-swing.

Hydraulic Ankle

A biomechanical design that uses hydraulic components to adjust energy absorption and release.

Powered Ankle Systems

An advanced prosthetic design incorporating AI to enhance foot dynamics and respond to environmental changes.

Shock Absorption

The ability of a prosthetic foot to diminish impact forces during weight acceptance.

Biomechanics

The science of movement in biological systems, often applied to the design of prosthetic limbs.

Cosmesis

The aesthetic appearance of prosthetics, important for patient satisfaction.

Single Axis Foot Design

A prosthetic design allowing limited dorsiflexion and plantarflexion through rubber bumpers.

Socket Design

The interface that connects the prosthetic device to the residual limb.

Suction Suspension

A method of securing the prosthesis through negative pressure, providing improved fit and stability.

Volume Management

Techniques used to control changes in residual limb size affecting prosthetic fit.

Patellar Tendon Bearing Design

A socket design that loads pressure tolerant areas while relieving pressure on sensitive areas.

Total Surface Bearing Design

A design that distributes weight evenly across the residual limb to reduce focal pressures.

Check Socket

A preliminary socket used to assess fit and function before final prosthetic fabrication.

Dyneema

A high-strength synthetic fiber, often used in prosthetic components for lightweight strength.

Adaptive Technology

Technological innovations allowing prosthetics to adapt to patient environments and movements.

Prosthetic Socks

Materials worn under the prosthesis to adjust fit and accommodate residual limb volume changes.

Thigh Corset

A suspension method that incorporates side joints, suitable for patients with knee instability.

Multiaxial Movement

The ability of a prosthetic limb to move in multiple directions for better terrain navigation.

Socket Alignment

The placement of a prosthetic socket designed to promote optimal function and user comfort.

Distal End Pain

Pain occurring at the furthest point of a residual limb often related to prosthetic fit issues.

Pistoning

Vertical movement of the prosthesis relative to the residual limb during activities.

Liner

A soft interface material used to improve comfort and fit between the limb and socket.

Inversion/Eversion

Movements of the foot that denote tilting inward (inversion) or outward (eversion) actions.

Foot Shell

The outer covering of the prosthetic foot designed for cosmetic purposes.

Edema Management

Strategies to control swelling in the residual limb that can affect prosthetic fit.

Heel Durometer

The measure of the hardness of the heel cushion in prosthetic design.

Suction Interface

A system combining suction with a liner to enhance prosthetic suspension and reduce pistoning.

Maintenance of Prostheses

Regular care and adjustments required to sustain the functionality of a prosthetic limb.

Amputation Levels

Refers to the specific points on the limb at which amputation occurs affecting prosthetic design.

Energy Return Foot

A prosthetic design that stores energy during loading and returns it during the push-off phase.

Functional Activity Levels

The levels of physical activity for which different prosthetic designs are intended.

Adductor Tubercle

A bony prominence on the femur that can be a site of concern for pressure on the prosthesis.

Feasibility of Amputation

Assessment of potential outcomes and rehabilitation needs after limb loss.

Redness Evaluation

Assessment of skin color changes that indicate issues with the prosthetic fit.

Pressure Sensitive Areas

Regions of the residual limb that require special consideration to avoid discomfort.

Prosthetic Fitting Goals

Objectives focused on achieving the best functional and comfortable fit for the user.

Outcomes of Poor Volume Management

Possible complaints or issues arising from inadequate adjustment of the prosthetic fit.

Biomechanical Efficiency

The effectiveness of movement patterns facilitated by a well-designed prosthesis.

Activity Modification

Changes in routine recommended for prosthetic users to enhance comfort and fit.

Noise in Prosthetics

Unwanted sounds produced by prosthetic components that may affect user confidence.

Pressure Tolerant Regions

Anatomical areas of the residual limb meant to bear load without causing damage.

Prosthetic Device Adjustments

Changes made to optimize the fit and function of a prosthetic limb.

Clinical Signs of Volume Change

Physical indicators that may suggest the need for adjustments in prosthetic coverage.

Suction Socket Fit

The intimate fit of the socket that utilizes suction to provide stability.

Ambulation Levels

Classification of mobility capabilities corresponding to the K levels of prosthetics.

Effective Gait Transition

The ability to smoothly move from one phase of walking to another using a prosthetic limb.

Finer Control Over Stability

The ability of high-tech prosthetic systems to adjust dynamically to user movements.

Valve System in Socket

A component allowing air to escape, maintaining suction for a secure fit.

Initial Response to Prosthetic Issues

Recommended first steps for users experiencing discomfort or fit problems.

Cosmetic Considerations

Aesthetic attributes of prosthetic limbs influencing patient satisfaction.

Patient Counseling

Guidance provided to individuals receiving prosthetic care regarding adjustments and care.

Prosthetic Therapy Collaboration

The teamwork between therapists and prosthetists to improve patient outcomes.

Patient Education

Teaching patients about their prosthetic devices for effective use and management.

Dynamic Alignment

Adjusting the prosthesis based on the patient's gait during walking.

Mechanical Components of Prosthetics

Parts of the prosthetic devices that contribute to their function and performance.

Stable Weight Requirements

Consistent limb weight necessary for optimal fitting of prosthetic devices.

Adjustment Techniques

Methods used by prosthetists to refine the fit of a prosthetic limb after fitting.

Tibial Advancement Control

Mechanism allowing controlled progression of the prosthetic limb mimic human movement.

User Preference in Prosthetics

Individualized expression of comfort, style, and fit resulting from personal needs.

Passive Joint Functionality

Prosthetic components designed to facilitate joint-like movements without active assistance.

Patient Compliance Factors

Elements influencing a patient's willingness to follow prescribed prosthetic use.

Therapeutic Goals in Prosthetics

Objectives tailored to enhance patient mobility and lifestyle post-amputation.

Proper Alignment Effects

Influence of socket positioning on gait quality and patient comfort.

Fluid Dynamic Management

Addressing residual limb hydration impacts on prosthetic fit.

Webbing Features in Suspension

Structural components enhancing the suspension system efficacy.

Limb Shape Considerations

The understanding of residual limb contours critical for custom socket creation.

Thermal Regulation Properties

Materials used in prosthetics to manage temperature and comfort.

Patient-Driven Prosthetic Solutions

Custom features developed based on individual user feedback and experiences.

Check Socket Usage

Temporary prosthetic components used for testing fit and functionality prior to final fitting.

Kinematic Assessment Techniques

Methods used to evaluate movement and function with prosthetic devices.

Innovative Fabrics in Prosthetics

Advanced materials applied in the manufacturing of prosthetic socks and liners.