Development of wearable optoelectronic vital monitoring system
A normal pulse oximetry sensor require a patient to be wired to a monitor in hospital where a healthcare provider monitors readings continuously. This is a disadvantage to patients who do not necessarily need to be admitted in the hospital, but are in need for pulse oximetric data monitoring. Consid...
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| Format: | Theses and Dissertations |
| Language: | English |
| Published: |
2016
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| Online Access: | http://hdl.handle.net/10356/65906 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | A normal pulse oximetry sensor require a patient to be wired to a monitor in hospital where a healthcare provider monitors readings continuously. This is a disadvantage to patients who do not necessarily need to be admitted in the hospital, but are in need for pulse oximetric data monitoring. Consider an example of a situation where a person who suffers from congestive heart failure, it is important for this type of patients to be monitored but however it is not always necessary for that patient to be admitted in the hospital. The healthcare industry has been working on all possible improvements and additions to the wired device and has provided alternative to the pulse oximetry sensors such as a mobile wrist watch design or wireless systems operating on the hospital network. A lot of improvement is needed [1]. The healthcare industry has been working on improvements and additions to the current pulse oximetry devices for daily-life use outside the hospital. A mobile wrist watch pulse oximeter design would be ideal for this purpose. However, there are a lot of challenges in developing this kind of wrist watch design such as removing background noise and cancelling moving artifact to improve signal quality and accuracy. In this dissertation, we will first study the conventional transmission pulse oximetry through investigating a design kit offered by Texas Instruments AFE4490SPO2EVM consisting of IC AFE4490 for pulse oximetry and microcontroller MSP430 to perform the back-end data processing and calculation. After this study a prototype reflective pulse oximeter is designed to eliminate the clamp sensor section paired with the kit, towards a chronic monitoring device which can be used in daily life of the patient outside the hospital. |
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