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Medical Memory Systems
PatientView 100
Irfan Khan
Timothy Wyatt
Wayne Lett
Jonathan Holloran
Christopher Fronda Scot Postlewait
7/26/2016
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Anecdote
September 2002
Annie May Carter had prosthetic right
knee placed in left leg
Correctional surgery to fix problem
resulted in her death
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http://www.alexharris.co.uk/view
NewsStory.asp?id=1029
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Problem Statement
In a study conducted by the American
Medical Association in 2000,
researchers found that errors in
communication between hospital staff
lead to as many as 15,000 deaths each
year.
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The Journal of the American
Medical Association - Vol. 284. No.
4 - July 28, 2000
3
History
CS 410 Feasibility
 Major aim: bridge gaps in communication in
regards to patient information
 Wide solution: communication between
hospitals, physicians, and auxiliary care
providers
CS 411 Lab Prototype
 Major aim: reduce errors in communication
within the hospital setting
 Focused solution: planned surgeries only
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Goals
Goal 1: Help to ensure that each
medical record is associated with the
correct patient
Goal 2: Mitigate the damage caused by
mix-up of medical records
Goal 3: Provide patient information to
all surgical staff during surgery
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Concept
PatientView 100 software
Commercial Off The Shelf products


MemoryButton™
ButtonLink™
Patient information displayed in surgical
room
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Technical Solution: Software
Application that interfaces with hospital
database
Creates encrypted file
Encrypted file is temporarily stored on
workstation and erased when the band
is created
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Technical Solution: Hardware
1
MemoryButton™




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One time burn
8 Kb of memory
Resistant to abuse
Stored on PatientView 100 band
http://www.macsema.com/MiniBu
tton.htm
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Technical Solution: Hardware
2
ButtonLink™


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USB device
Reads and writes
http://www.macsema.com/buttonl
ink.htm
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Product Functional Component
Diagram
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Prototype Functional
Component Diagram
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Prototype – Database
Product

Hospital database
 Any SQL based database server
Prototype

Access database
 SQL based database
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Prototype – Software
Product

PatientView 100
 Software application
 Developed in Visual C++
Prototype

PatientView 100 Prototype
 Software application
 Developed in Visual Basic
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Prototype – Hardware 1
Product

MemoryButton™
 8 Kb memory
 Small and portable
Prototype

USB key
 128 Mb memory
 Small and portable
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Prototype – Hardware 2
Product

ButtonLink™
 Connection device for MemoryButton™
Prototype

USB port
 Connection device for USB key
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Prototype – Display
Product

Terminal or display in surgical room
Prototype

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Overhead projector
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Security
Encryption not demonstrated in
prototype

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OpenSSL Standard
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Prototype Demonstration
Demonstrate three cases

Current method
 Consultant: Rachel Wyatt

PatientView 100 no errors
 Ideal case

PatientView 100 error
 Catch errors
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SBIR Overview
Personnel:
Consultant:
Equipment:
Supplies:
Travel:
Other:
Total:
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$170,450
$5,100
$655
$600
$2,000
$20,810
$199,615
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Budget Overview
Phase II



Total costs: $289,500
SBIR: $199,600
Company costs: $89,900
 Facilities: $6,000
 Overhead: $68,000
 Other: $ 15,900
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Medical Memory Systems
PatientView 100
Irfan Khan
Timothy Wyatt
Wayne Lett
Jonathan Holloran
Christopher Fronda Scot Postlewait
7/26/2016
21