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Wearable Biosensors
 

Wearable Biosensors

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presented by Ranjan Kumar Pandey, CUSAT, Kerala

presented by Ranjan Kumar Pandey, CUSAT, Kerala

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    Wearable Biosensors Wearable Biosensors Presentation Transcript

    •  
      • Need of wearable biosensors
      • Introduction
      • What is a biosensor ?
      • Properties of biosensor
      • Wearable biosensors: -
      • 1. Ring sensor
      • 2. Smart shirt
      • Conclusion
      • References
      • remote monitoring of patients.
      • training support for athelete.
      • monitoring of individuals who work with
      • hazardous elements.
      • tracking of professional truck driver’s vital
      • signs to alert them of fatigue.
      • Use of wearable monitoring devices allow
      • continuous monitoring of physiological signals.
      • Wearable systems are totally non-obtrusive
      • devices that allow physicians to overcome the
      • limitations of ambulatory technology.
      • detects events predictive of possible worsening of
      • the patient’s clinical situations.
    • A biosensor is a device for the detection of an analyte that combines a biological component with a physio-chemical detector component.
      • Consists of 3 parts:
      • Biological component
      • Physiochemical component.
      • Signal processor.
      • RING SENSOR.
      • SMART SHIRT.
    • Fig 1. photograph of ring sensor,size of the top board is 0.8 x 0.8 inch. Fig 2. ring sensor weared on a finger.
      • works on the principle of plethysmogram and pulse
      • oximetry.
      • LED’s and Photodiodes.
      • First stage amplifier.
      • Sample and Hold circuit.
      • Signal Conditioner.
      • CPU.
      • RF Transmitter.
      • Software for the microprocessor on the ring.
      • Software for the host computer.
      LED’S and photodiodes. Micro processor(inside) Battery Transmitter
    •  
    •  
      • Continous monitoring.
      • Easy to use.
      • Reducing hospitalization fee.
      • Initial cost is high.
      • Limited number of physiological parameters can
      • be monitored.
    • Fig. Smart Shirt System.
    •  
    •  
      • Easy to wear and take off.
      • Continous monitoring.
      • Initial cost is high.
      • Battery life is less.
      • Smart shirt technology opens up existing opportunities to
      • develop adaptive & responsive systems that can think &
      • act based on the user conditions stimuli & environment.
      • Certain individuals are susceptible to anaphylaxis reaction
      • (an allergic reaction) when stung by a bee or spider and need
      • a shot of adrenaline immediately to prevent further fatalities.
      • by applying advancements in MEMS(Micro-Electrochemical
      • systems) technology we can achieve that.
      • The Smarts shirt’s delta acquisition capabilities can be used to
      • detect the condition when an individual is lapsing into a diabetic
      • shock and this integrated feedback mechanism can provide the
      • appropriate response to prevent a fatality.
      • Just as special-purpose chips and processors can be
      • plugged into a computer motherboard to obtain the
      • the required information processing capability, the smart
      • shirt is an information infrastructure in which the wearer
      • can “plug in” the desired sensors and devices, thereby
      • creating a system for monitoring vital signs in an efficient
      • and cost effective manner with a “universal” interface of
      • clothing.
      • Just as the spreadsheet pioneered the field of information
      • processing that brought “computing to the masses”.It is
      • anticipated that the smart shirt will bring personalized &
      • affordable healthcare monitoring to the population at
      • large.
      • Park and Jayaraman,”Enhancing the quality of life
      • through wearable technology”,vol. 22, June-03
      • R.Neumann,”Biomedical Sensors” ,handbook of
      • biomedical instrumentation,page. 725-755
      • http://www.sensatex.com/smartshirt.html
      • http://en.wikipedia.org/wiki/Biosensor
    •