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Related Experiment Videos

Socket considerations for the patient with a transtibial amputation.

J Fergason1, D G Smith

  • 1Division of Prosthetics and Orthotics, University of Washington, Seattle 98195-6490, USA.

Clinical Orthopaedics and Related Research
|April 23, 1999
PubMed
Summary

This review explores transtibial prosthetic socket designs, highlighting the evolution from the standard patella tendon bearing socket to newer total surface bearing and hydrostatic options for improved patient outcomes.

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Area of Science:

  • Prosthetics and Orthotics
  • Biomedical Engineering
  • Rehabilitation Medicine

Background:

  • The patella tendon bearing (PTB) socket, developed in 1959, has long been the standard for transtibial prostheses.
  • Advancements in prosthetic technology have led to the development of alternative socket designs.
  • Understanding the historical context and theoretical underpinnings of these designs is crucial for clinical practice.

Purpose of the Study:

  • To provide a historical overview and current review of transtibial prosthetic socket designs.
  • To compare the principles and applications of the patella tendon bearing, total surface bearing, and hydrostatic socket designs.
  • To inform clinicians and researchers about evolving socket technologies for transtibial amputees.

Main Methods:

Related Experiment Videos

  • Literature review of transtibial prosthetic socket designs.
  • Analysis of the theoretical basis and clinical application of PTB, total surface bearing (TSB), and hydrostatic sockets.
  • Comparative assessment of socket design characteristics and their impact on residual limb management.

    • Main Results:

    • The PTB socket remains a common choice, focusing on specific weight-bearing areas.
    • Total surface bearing sockets often incorporate gel liners for enhanced comfort and shock absorption.
    • Hydrostatic sockets utilize pressure casting for theoretically uniform pressure distribution across the residual limb.

    Conclusions:

    • The PTB, TSB, and hydrostatic sockets represent current, evolving options for transtibial prosthetic users.
    • Each design offers distinct theoretical advantages and clinical considerations.
    • Continued research and development in socket technology are vital for optimizing prosthetic function and patient satisfaction.