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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

  • 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
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