wearable biosensors
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aparna.s
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#1
05-02-2010, 02:55 PM


plz mail me the report and ppt of wearable biosensors.
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seminar-avatar
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#2
31-03-2010, 05:53 PM

Hi,
visit this thread for a full report on the topic :
topicideashow-to-wearable-biosensors-full-report

ppt is not available as of now.
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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seminar flower
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#3
25-10-2012, 03:41 PM

Wearable biosensors



.docx   Wearable biosensors.docx (Size: 549.23 KB / Downloads: 25)

Recent advancements in miniature devices have fostered a dramatic growth of interest of wearable technology. Wearable Bio-Sensors (WBS) will permit continuous cardiovascular (CV) monitoring in a number of novel settings. WBS could play an important role in the wireless surveillance of people during hazardous operations (military, firefighting, etc) or such sensors could be dispensed during a mass civilian casualty occurrence. They typically rely on wireless, miniature sensors enclosed in ring or a shirt. They take advantage of handheld units to temporarily store physiological data and then periodically upload that data to a database server via wireless LAN or a cradle that allow Internet connection and used for clinical diagnosis.

DEVELOPMENT OF WEARABLE BIOSENSOR

RING SENSOR

It is a pulse oximetry sensor that allows one to continuously monitor heart rate and oxygen saturation in a totally unobtrusive way. The device is shaped like a ring and thus it can be worn for long periods of time without any discomfort to the subject. The ring sensor is equipped
with a low power transceiver that accomplishes bidirectional communication with a base station, and to upload date at any point in time.

BASIC PRINCIPLE OF RING SENSOR

Each time the heart muscle contracts, blood is ejected from the ventricles and a pulse of pressure is transmitted through the circulatory system.This pressure pulse when traveling through the vessels, causes vessel wall displacement which is measurable at various points inorder to detect pulsatile blood volume changes by photoelectric method, photo conductors are used normally photo resistors are used, for amplification purpose photo transistors are used.

WORKING OF RING SENSOR

The LEDs and PD are placed on the flanks of the finger either reflective or transmittal type can be used. For avoiding motion disturbances quite stable transmittal method is used. Transmittal type has a powerful LED for transmitting light across the finger. This power consumption problem can be solved with a light modulation technique using high-speed devices. Instead of lighting the skiing continuously, the LED is turned ON only for a short time, say 10-100 ns, and the signal is sampled within this period, high frequency, low duty rate modulation is used for preventing skin-burning problem.

REQUIREMENTS OF SMART SHIRT

Casualties are associated with combat and sometimes are inevitable. Since medical resources are limited in a combat scenario, there is critical need to make optimum use of the available resources to minimize the loss of human life, which has value that is priceless. In a significant departure from the past, the loss of even a single soldier in a war can alter the nations engagement strategy making it all the important to save lives.[2]
Similarly on the civilian side, the population is aging and the cost of the health care delivery is expected to increase at a rate faster than it is today. With the decreasing number of doctors in rural areas, the doctor/patient ratio is in certain instances reaching unacceptable levels for ensuring a basic sense of security when they leave the hospital because they feel “cutoff” from the continuous watch and care they received in the hospital. This degree of uncertainty can greatly influence their postoperative recovery.

CONCLUSION

The ring sensor and smart shirt are an effective and comfortable, and mobile information infrastructure that can be made to the individual’s requirements to take advantage of the advancements in telemedicine and information processing. Just as special-purpose chips and processors can be plugged into a computer motherboard to obtain the required information processing capability, the smart shirt is an information infrastructure into 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 the “universal“ interface of clothing.
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