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BMED Capstone (Pulse Ox)

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by

Joy Billy

on 18 May 2016

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Transcript of BMED Capstone (Pulse Ox)

THANK YOU!
Any Questions?

Background & Scope
Limitations & Future Work
Dye:
does not adhere to the surface of the polymer and needs to be covalently bonded
Photon Platform:
cannot connect to enterprise network; must rebuild hardware to commercialize the device
Integration:
heart rate
Attachment probe and dye
research
Calibration
for
in-vivo
testing
Jennifer Gallego
David Cecchini
Camilla Sloan
.
.
Joy Billy
Matthew Schneider
Kevin Jones
.
.
Biomedical Engineering Design
.
.
.
Oxigen Consulting Firm

Presents...

OxiCore: The Fetal Monitoring Device

From a mother's perspective...
85% used fetal heart rate monitoring​

Introduction & Background
Infection, future miscarriages, maternal mortality
32% delivered via c-section (many deemed unnecessary )​
Current Clinical Standard for internal fetal monitoring is the Fetal Scalp Electrode​ (FSE)
Category II tracings, 80% of physicians do not agree on heart rate evaluation​
Fetal heart rate alone is insufficient for the determination of fetal distress (lacking proper oxygen)
CATEGORY I
CATEGORY II
CATEGORY III
Problem Statement
The current clinical standard for fetal monitoring, the fetal scalp electrode (FSE), gives many false positive readings for improper oxygenation of the fetus during labor.
Relevant Functions & Constraints
Viewing one or more of these parameters over time gives the physician more information than the FSE.
pH
%O2 (Oximetry)
Heart Rate
(FSE)
Limited to only the presenting part of the fetus ​
Cervix must be dilated at least a centimeter (monitor DURING labor)​
Cost : Probe ~ $15.00
Relevant Specifications
http://picshype.com/fetal-presentation-cephalic
Product Overview
Engineering Details
Subsystem 1:
Subsystem 2:
Subsystem 3:
Subsystem 4:
Subsystem 5:
Subsystem 6:
pH Sensing
Oximetry
Probe Tip
How are the oximetry and pH subsystems integrated physically?
How is the probe attached to the fetal scalp?

Hardware
Circuit Schematic & Housing Unit
Software
Applicator
Dimensions based off of minimal cervical dilation (3-5 cm)

Web App
Encrypted & Secure (HIPAA Compliant)
Accessible and dynamically presented for different devices
Presents physician with multiple measured parameters over time

Prototype: OxiCore
Acknowledgements
Dr. Kevin Kiley, Expert
Dr. Monica Agarwal, Advisor
Chris Bertucci, PhD Student
Jim Hayes, Fiber Optics Association
Dr. Michael J. Horgan, Neonatologist
James Flamino, Software Consultant
John Szczesniak, Engineering Consultant
Dr. Eric Ledet, Bigger Hammer Engineering
Dr. Uwe Kruger, Bigger Hammer Engineering
Operate for at least 72 hrs

Sensing probe must:​
Biocompatible

pH range: 3.00-8.00
6.0 - 8.0 with 1/100 unit accuracy
Physiological Environment
%O2 range: 30%-90%​
Remain attached
while in use. ​
Be in contact with blood
(for pH sensing)​
Continuous sensing
(10s)
Healthy Baby
Acidotic Baby
56% higher chance of infant mortality in the first 4 weeks ​
https://www.google.com/url?http://www.123rf.com/clipart-vector/mother_and_baby.html
Oximetry Emitter
pH Bifurcated Cable
Oximetry Receiver
"I feel guilty that maybe I am being ungrateful for an otherwise successful delivery. What a lot of people don't realize is that you can be happy and grateful while also being very sad about the loss of the birth experience you wanted and planned for..."
"Does anybody who has had a C-section feel down? I wish I did not feel this way..."
"I feel the same. I had an emergency C-section. I still cry when I think about it now and it was 10 weeks ago..."
Full transcript