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Wireless Patient Monitoring System. Digital Health Section Professor: Patricia Mellodge. What is Digital Health?. The use of electronics; through the use in or on the body to assist medical professionals when treating various illnesses and ailments They would focus in three main areas

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Wireless patient monitoring system

Wireless Patient Monitoring System

Digital Health Section

Professor: Patricia Mellodge

What is digital health
What is Digital Health?

  • The use of electronics; through the use in or on the body to assist medical professionals when treating various illnesses and ailments

  • They would focus in three main areas

    • Prevention

    • Diagnosis

    • Curing

Wireless monitoring system
Wireless Monitoring System

  • The project is mainly designed to collect information on the patient

    • Location

    • Temperature

    • Reduces the use of wires in the room through the use of wireless transmission

Project selection process
Project Selection Process

  • First Ideas:

    • Wireless Patient Monitoring System

    • Pollution Filter Mask

    • Oxygen Tank Flow Regulator

    • Orthopedic Shoes

    • Arthritic Glove

Project selection process1
Project Selection Process

Voting: Ranked Projects 1-5

Top three projects discussed

Weighed pros and cons

Overall compatibility as a class/group project


To construct a wireless system containing a hospital bed, computer monitor, and a patient sensor rig; which would alert an outside party of a patient’s position and medical status.


  • Nurse’s Station

    • Alex LaMarche

    • ShaniqueJiles

    • Tim Zimmerman

    • Luis Luna

  • Bed Group

    • Feng Chen

    • Gino Cardone

    • Benjamin Basso

    • Jeremy Harvey

    • RajinRoophnath

    • Stephen Sett

    • Matthew Smith

  • Patient Group

    • Nathan Coutermarsh

    • Dillon Quadrato

    • Dana Subki

    • LoayAlabdulmohsin

    • Jason Jolles

    • Kevin Veilleux

    • Alyssa Broatch

    • Melvin Peralta

    • Stacey Dufrane

Bed monitoring objective
Bed Monitoring: Objective

  • Bed sensors determine if patient is in bed

  • Switches in a grid pattern are used to determine the patients location

  • Can be used in various hospice settings

Bed materials
Bed: Materials

6’ x 2’ egg crate foam mattress pad

2 sheets of 6’ x 2’ plywood

12 contact switches

Miscellaneous assembly hardware

Bed process
Bed Process


  • Contact Switches

    • The switches are constantly open unless depressed by a patient on the bed.

    • This will send a high(1) signal to the microcontroller


Bed monitoring design
Bed Monitoring: Design

  • One sheet of plywood serves as a base, while the switches are mounted on top of it.

  • The second sheet of plywood has holes drilled in it.

    • When the switches are depressed, they are flush with the top sheet of plywood.

  • Egg crate foam pad rests on top of the plywood to create a comfortable sleeping environment.

Patient objective
Patient: Objective

Prevention of accidents through awareness of patient status, accurate monitoring of position, temperature, and orientation

Wireless patient monitoring system

  • Use a microcontroller to wirelessly transmit information from:

    • Temperature sensor

    • Accelerometer and tilt sensors

      • Indicate body orientation and location

Temperature sensor
Temperature sensor

constintXin=A5;//x axis accelerometer

constintYin=A6;//y axis

constintZin=A7;//z axis

constinttemp_sens=A4;//temp sensor

constinttilt11in=13;//tilt sensor 1-1

constint tilt12in=12;//tilt sensor 1-2

constint tilt21in=11;//tilt sensor 2-1

constint tilt22in=10;//tilt sensor 2-2

constint tilt31in=9;//tilt senosr 3-1

constint tilt32in=8;// tilt sensor 3-2

constintzerogin=7;//0g for accelerometer

constintgselin=6;//g select

//tranciever ports



  • Patient Rig

    • Supports mobility

    • Unobtrusive location

    • Lightweight design

Tilt Sensors


Original image obtained from:


Patient armband
Patient: Armband

  • Easy to maneuver and lightweight

    • iPod Armband houses the enclosure of parts

    • Altered iPod Armband will house enclosure

Image obtained form:


Nurse s station objective
Nurse’s Station: Objective

  • Through LabVIEW, we can make a presentable way to show the nurse the information on each patient that needs to be monitored.

  • We take data from the sensors taken from the other groups and present them in an organized manner

  • To do this, we use a wireless receiver in order to gather the data from their sensors

Nurse s station the plan
Nurse’s Station: The Plan

  • LabVIEW will:

    • Receive data from transceiver

    • Parse the sensor data from the data packet

    • Utilize algorithms to filter accelerometer data

    • Display the patient's information to the user

Nurse s station parts
Nurse’s Station: Parts

  • LabVIEW is used to display the information obtained from the patient and bed sensors

  • Transceiver will request and receive packets of data from all the sensors on the network

Nurse s station labview demo
Nurse’s Station: LabView Demo

Budget 300
Budget < $300

  • Goal was to shop efficiently

    • Buy only essential parts

    • Buy the cheapest compatible parts

    • Research each part individually

  • Write a proposal

    • Have it approved

Total cost
Total Cost

Patient Group- $77.49

Bed Group- $160.22

Nurse’s Station- $47.89

Grand Total- $326.35


  • A wireless system has several advantages such as:

    • Patient safety

    • Low maintenance

    • Ease of mobility for the caretaker/patient

    • Capacity for transmitting information

      • No need for a bulky monitoring station


  • Satisfies a demand for monitoring:

    • Unattended falls, heart attacks, fevers, and several other medical mishaps

    • Societal demand for this system due to staffing constraints

    • Applicable in a home setting

    • Easy interface with future link to app on portable phone

Possible improvements
Possible Improvements

  • Addition of different sensors

    • Heart rate

    • EKG

  • Farther transmission range

  • Ability to monitor more patients