Otoscope Improvement

1
Otoscope Improvement

• Client Dr. Murray Katcher
• Advisor Professor Willis Tompkins
• Brian Frederick
• Ben Moga

2
Overview

• Problem statement
• Background information
• Product design specifications (PDS)
• Product Design
• Design alternatives
• Future plans

3
Problem Statement

• Currently 35 doctors 20 med students diagnose
  ear problems correctly
• Children are not cooperative when sick
• Poor ergonomics for viewing podiatric patients
  along with a student
• Only one student can look at a time

4
Background Information

• Many videoscopes made already which provide an
  image on a screen with high resolution
• Only question is motion artifact
• Expensive

5
Background Information

• Cameras only give a still shot, no motion
• Hard to find one small enough to mount
• Still expensive

6
Background Information

• Flexible fiberscope
• Extends live image through lenses
• Must figure be securely mounted to present system
• Least expensive but out of price range

7
Deciding Statistics
8
Product Design Specifications

• Safe to use in or by childs ear
• Compatible with current otoscope
• Product is to be reliable and accurate
• Will include blowing tube attachment for motion
• System must withstand basic sterilization
• Small and light enough to operate with one hand
• Budget confines of BME set limit

9
Product Design

• Dr. Katchers current otoscope with an attached
  flexible fiberscope
• Lowest price and retains live image
• Thread the side eyepiece
• Make end of flexible fiberscope attachable by
  screwing it on

10
Product Design

• Large focusing range
• Bends to 3 radius
• Possible video attachment
• .312 tip diameter
• Eyepiece has .5
• Drill hole in .5 cap and seal with rubber

11
Future Plans

• More research on videoscopes and still shot
  camera possibilities
• Write flexible fiberscope company to obtain the
  specifications
• If plausible, buy and create prototype