Point of Care approach in monitoring of the ovulation cycle

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Dr. Ender Ferenc
Department of Electron Devices

In the course of my thesis I present the steps of design and implementation of an ovulation forecaster device. During the design relative low cost implementation, measurement accuracy and ergonomic aspects were a requirement.

In my research of literature I deal with the physiological background of the ovulation cycle, and I introduce the physiological parameters and possible measurement techniques relevant for the definition of the phase of the cycle. I review the already existing ovulation forecaster devices, with special regard to devices suitable for the measurement of vaginal body temperature, and compare them according to various standpoints.

I present the system design of the measuring device and the implementation of the sensor unit. I also describe in detail the source code of the program operating the sensor unit, as well as the design of PCB in and out of the measuring probe.As regards the implementation of the probe prototype I describe the used PDMS technology, together with the PC-side application. Written in LabVIEW, the communication and data setting software evaluates the incoming data packets at the same time, and also displays them graphically in real time.

I characterized the sensor unit in-vitro, prepared the FloTHERM model of the tool and I validated the thermal transient measurements with simulation. I defined the dominant thermal time constant of the device, with the help of which I could give a measurement time in the real application, which is guaranteed to be satisfactory in terms of accuracy.


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