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Reliability of speech generating devices: a 5-year review
Tracy A Shepherd1, Kent A Campbell, Anne Marie Renzoni
1Centralized Equipment Pool, Toronto, Ontario, Canada.
Summary
Speech generating devices (SGDs) are crucial for augmentative and alternative communication (AAC) users. This study found that new SGDs frequently fail, with 40% needing repairs within a year, highlighting critical reliability issues.
Area of Science:
- Assistive Technology
- Rehabilitation Engineering
- Speech and Language Pathology
Background:
- Augmentative and alternative communication (AAC) empowers individuals with communication needs.
- Speech generating devices (SGDs) are essential assistive technologies for daily life and relationship building.
- The reliability of SGDs is paramount for consistent and effective communication.
Purpose of the Study:
- To investigate the reliability of newly acquired speech generating devices (SGDs).
- To identify common failure points and repair costs associated with SGDs.
- To determine the clinical implications of SGD device breakdown for various stakeholders.
Main Methods:
- Examined the reliability of new speech generating devices (SGDs).
- Collected data on time to first failure and repair frequency within the first year.
- Analyzed the types of components that frequently malfunctioned.
Main Results:
- The mean time to first failure for new SGDs was 42.7 weeks.
- At least 40% of devices required repairs within the first year of use.
- Frequently failing components included touch screens, batteries, and main boards.
Conclusions:
- New SGDs exhibit significant reliability issues, impacting AAC users.
- Frequent device failures necessitate a re-evaluation of SGD durability and support.
- Understanding breakdown patterns is crucial for improving device longevity and user support.
