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Custom, rapid prototype thumb prosthesis for partial-hand amputation: A case report.

Ashley Quinn Swartz¹, Kristi Turner¹, Laura Miller^1,2

¹1 Rehabilitation Institute of Chicago, Chicago, IL, USA.

Prosthetics and Orthotics International

|June 23, 2017

Summary

This summary is machine-generated.

This study developed a custom 3D-printed prosthetic thumb for a partial-hand amputee, improving daily task functionality. While not fully accepted, the custom device shows promise for better prosthesis fit and acceptance in complex cases.

Keywords:

Amputation body-powered prosthesis partial hand three-dimensional printing

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Area of Science:

Biomedical Engineering
Prosthetics and Orthotics
Rehabilitation Technology

Background:

Advancements in 3D printing enable custom prostheses for challenging prosthetic management cases.
Development of a custom voluntary-closing, body-powered thumb mechanism for a non-dominant partial hand amputee (index finger and thumb amputations).

Observation:

The custom prosthesis was manufactured using rapid prototype technology.
The design aimed for increased force, enhanced functionality, and reduced size compared to traditional prostheses.

Findings:

Following iterative design and occupational therapy, the patient demonstrated improved functionality in daily activities (e.g., cooking, cleaning).
The patient showed improvement in the Box and Blocks test, indicating enhanced dexterity.
Some limitations persisted, impacting full device acceptance by the patient.

Implications:

This case study presents a novel method for creating custom prosthetic devices tailored to individual needs.
Rapid prototyping technology holds potential for increasing prosthesis acceptance rates among partial-hand amputees.
Custom-designed prostheses can better address the specific desires and functional requirements of users.