Prosthetic Technology

Author: May

Jul. 02, 2024

Prosthetic Technology

Body-powered prostheses are useful tools that can restore the ability to pick up and grasp objects and assist the user&#;s sound hand. Body-powered partial hand devices can help restore function when the finger loss is as the PIP or MCP level. For people with higher amputation levels, movements of the upper arm, shoulder and chest are captured by the harness and cable system, and used to open and close the hook or hand, similar to how a bicycle handbrake system works.

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Movements of the upper arm, shoulder and chest are captured by the harness and cable system, and used to open and close the hook or hand, similar to how a bicycle handbrake system works. As users grow accustomed to the feeling of varying tension on the cable, they may experience an improved sense of the position of the limb and the degree of opening on the terminal device. Hooks can be made of aluminum, steel, or titanium and can be rubber lined for better gripping. The grip force of a voluntary opening hook is determined by the number of rubber bands holding the hook closed.

 

The components of a body-powered prosthesis include:

  • A custom fit socket
  • A terminal device such as a hook or hand
  • A wrist unit
  • A harness and cable system
  • Above elbow prostheses will include an elbow unit
  • Shoulder disarticulation prostheses will include an elbow and a shoulder

Many amputees like the durability and basic function of body-powered prostheses and find them particularly useful for working outdoors or in rugged or wet environments. A custom silicone interface can improve user comfort and is available in a wide range of colors.

Lower-Limb Prosthetics and Orthotics: Clinical Concepts

Review

 "The strength of this text lies in its truly comprehensible coverage of lower-limb considerations in P&O, with a focus on breadth rather than depth. The authors&#; ability to condense this material into a text less than 200 pages long is admirable. Further, the text of the book is well supported by clear and current photographs and illustrations."  

&#; Phil Stevens, Med, CPO, FAAOP, 

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American Academy of Orthotists & Prosthetists



 "This is an excellent resource for clinicians in training. I would definitely have enjoyed using it during my residency training. It is also a good reference for practicing clinicians."  

&#; Leslie K. Rydberg, MD, 

Rehabilitation Institute of Chicago, Doody Enterprises, Inc

.

&#;In summary the book includes many important factors in the rehabilitation of lower limb amputees and would be a useful addition to libraries.&#;

- Louise Johnson, Physiotherapy

About the Author

 Joan E. Edelstein, MA, PT, FISPO, CPed is a world-renowned authority in prosthetics and orthotics. Beginning clinical practice in the Children&#;s Division of the Institute of Physical Medicine and Rehabilitation, subsequently named the Rusk Institute of Rehabilitation Medicine at New York University, she then joined the faculty of the University of Wisconsin. Returning to New York, she became senior research scientist in New York University&#;s Prosthetics and Orthotics Program, originally part of the College of Engineering, later under the joint aegis of the Department of Orthopedic Surgery in the School of Medicine and the Department of Prosthetics and Orthotics in the School of Education. The program awarded the world&#;s first baccalaureate in prosthetics and orthotics. She conducted research on prostheses and orthoses for the upper and lower limbs, as well as trunk orthoses. Following the closing of the department, she became Associate Professor of Clinical Physical Therapy at the College of Physicians and Surgeons, Columbia University and served as the Director of the Program in Physical Therapy there. Highly regarded for her spirited instruction, she is a special lecturer at Columbia University and adjunct faculty member at New York University, Husson University, Touro College, and Eneslow Pedorthic Institute. Professor Edelstein presents postgraduate and continuing education courses throughout North America, Europe, Africa, Asia, and the Middle East. Her numerous publications include journal articles, book chapters, monographs, and books, particularly Orthotics: A Comprehensive Clinical Approach and Prosthetics and Patient Management: A Comprehensive Clinical Approach, both published by SLACK Incorporated. A certified pedorthist, Professor Edelstein is a Fellow of the International Society for Prosthetics and Orthotics. 

Alex Moroz, MD, FACP, is an experienced educator in the field of disability and medical rehabilitation. Dr. Moroz graduated from Brooklyn College and New York University's School of Medicine, then trained in rehabilitation medicine at the world-renowned Rusk Institute of Rehabilitation Medicine, where he was invited to join its faculty in , and is a full-time Assistant Professor of Rehabilitation Medicine at the School of Medicine, New York University. Prior to focusing on medical education, Dr. Moroz worked at Bellevue Hospital Prosthetic and Orthotic Clinics for several years. He has directed over 30 educational courses for physicians at New York University over the last decade, including 22 courses in prosthetics and orthotics where more than rehabilitation and orthopedic physicians have benefited from his educational leadership. He has also developed a Lower Extremity Prosthetics and Orthotics course for orthopedic surgery residents. An editor of the textbook Medical Aspects of Disability, he is also a contributing editor of Rehab in Review. Dr. Moroz has authored numerous peer-reviewed studies published in Archives of Physical Medicine and Rehabilitation, American Journal of Physical Medicine and Rehabilitation, International Journal of Rehabilitation Research, Topics in Geriatric Rehabilitation, and Journal of the American Geriatric Society, among other periodicals.

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