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Does the DEKA Arm substitute for or supplement conventional prostheses.

Linda Resnik1, Frantzy Acluche1, Shana Lieberman Klinger1

  • 1Providence VA Medical Center, Providence, RI, USA.

Prosthetics and Orthotics International
|September 15, 2017
PubMed
Summary
This summary is machine-generated.

The DEKA Arm supplemented but did not replace personal prostheses for upper limb amputees. Users benefited most from having multiple advanced prosthetic devices for varied activities.

Keywords:
DEKA ArmProsthesisamputationdisability evaluation

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Area of Science:

  • Biomedical Engineering
  • Rehabilitation Science
  • Human-Computer Interaction

Background:

  • Limited research exists on the home use of advanced upper limb prostheses.
  • Understanding usage patterns is crucial for optimizing prosthetic device development and adoption.

Purpose of the Study:

  • To compare DEKA Arm usage patterns during a home trial with prior personal prosthesis use.
  • To evaluate user preferences for the DEKA Arm versus their personal prosthesis after home use.
  • To assess the DEKA Arm's role in supplementing or substituting existing prosthetic devices.

Main Methods:

  • A quasi-experimental, time-series design was employed.
  • Data from 17 participants with upper limb loss were analyzed.
  • Home trial diaries and questionnaires documented prosthesis wear, use, and activity preferences.

Main Results:

  • The DEKA Arm was worn on 81% and used on 73% of functioning days, averaging 4.2 hours worn and 2.4 hours used.
  • During the home trial, participants used their personal devices for fewer hours per day compared to baseline.
  • Participants identified activities performable with the DEKA Arm not possible with their personal prosthesis, and vice versa.

Conclusions:

  • The DEKA Arm served as a supplement, not a replacement, for personal prostheses.
  • Limitations of both the DEKA Arm and conventional prostheses suggest individuals benefit from multiple device types.
  • Providing a range of prosthetic devices can enable upper limb amputees to perform a wider array of activities.