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A 3D printed smartphone adaptor for nasolaryngoscopy.

ABSTRACT: Objective:The objective of this project is to create a three-dimensional (3D) printed smartphone adaptor for flexible nasolaryngoscopy (FNL) to provide an affordable alternative to commercial options and a better fit than generic telescope phone adaptors. Method:We designed an adaptor using computer aided software to connect an iPhone XS to an Olympus Rhino-Laryngo Fibre Scope. We experimented with various 3D printing materials and iterative designs to create a case that allowed for quality recording of a nasolaryngoscope exam using the iPhone's built in ×2 telescopic zoom lens. Results:Our 3D printed adaptor provides a cost-effective alternative to commercially available FNL smartphone adaptors and is capable of capturing high-quality images and videos of the nasopharynx and larynx. These images are useful for senior clinician review, decrease the need for repeat examination, can be utilized for education, avail telehealth review, and provides a way to digitally record examinations to electronic medical records for future comparison without the need for an endoscopy tower. Conclusion:Smartphone adaptors for FNL have been established to be of clinical value. Despite being simple devices, they continue to be expensive. This potentially limits access to junior clinicians, who stand to gain most from the ability to review images of examinations with senior colleagues. Our 3D printed smartphone case provides a cost-effective alternative, with a better fit than generic adaptors, at a print cost of $29?AUD. This is $131?AUD less than the next cheapest commercial alternative. The files are freely available for use and modification. Level of Evidence:4.

SUBMITTER: Thompson D

PROVIDER: S-EPMC7042649 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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A 3D printed smartphone adaptor for nasolaryngoscopy.

Thompson Daniel D Albarki Hashm H Lodhia Chetan C Fitzpatrick Nicholas N

Laryngoscope investigative otolaryngology 20200128 1

<h4>Objective</h4>The objective of this project is to create a three-dimensional (3D) printed smartphone adaptor for flexible nasolaryngoscopy (FNL) to provide an affordable alternative to commercial options and a better fit than generic telescope phone adaptors.<h4>Method</h4>We designed an adaptor using computer aided software to connect an iPhone XS to an Olympus Rhino-Laryngo Fibre Scope. We experimented with various 3D printing materials and iterative designs to create a case that allowed f ...[more]

PMID: 32128428

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Project description:BACKGROUND:Stroke is a major cause of long-term disability. While there is potential for improvements long after stroke onset, there is little to support functional recovery across the lifespan. mHealth solutions can help fill this gap. mRehab was designed to guide individuals with stroke through a home program and provide performance feedback. OBJECTIVE:To examine if individuals with chronic stroke can use mRehab at home to improve upper limb mobility. The secondary objective was to examine if changes in limb mobility transferred to standardized clinical assessments. METHODS:mRehab consists of a smartphone coupled with 3D printed household items: mug, bowl, key, and doorknob. The smartphone custom app guides task-oriented activities and measures both time to complete an activity and quality of movement (smoothness/accuracy). It also provides performance-based feedback to aid the user in self-monitoring their performance. Task-oriented activities were categorized as (1) object transportation, (2) prehensile grip with supination/pronation, (3) fractionated finger movement, and (4) walking with object. A total of 18 individuals with stroke enrolled in the single-subject experimental design study consisting of pretesting, a 6-week mRehab home program, and posttesting. Pre- and posttesting included both in-laboratory clinical assessments and in-home mRehab recorded samples of task performance. During the home program, mRehab recorded performance data. A System Usability Scale assessed user's perception of mRehab. RESULTS:A total of 16 participants completed the study and their data are presented in the results. The average days of exercise for each mRehab activity ranged from 15.93 to 21.19 days. This level of adherence was sufficient for improvements in time (t15=2.555, P=.02) and smoothness (t15=3.483, P=.003) in object transportation. Clinical assessments indicated improvements in functional performance (t15=2.675, P=.02) and hand dexterity (t15=2.629, P=.02). Participant's perception of mRehab was positive. CONCLUSIONS:Despite heterogeneity in participants' use of mRehab, there were improvements in upper limb mobility. Smartphone-based portable technology can support home rehabilitation programs in chronic conditions such as stroke. The ability to record performance data from home rehabilitation offers new insights into the impact of home programs on outcomes. TRIAL REGISTRATION:ClinicalTrials.gov NCT04363944; https://clinicaltrials.gov/ct2/show/NCT04363944.

Dataset Information

A 3D printed smartphone adaptor for nasolaryngoscopy.

Publications

A 3D printed smartphone adaptor for nasolaryngoscopy.

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