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Monitoring of vital signals: the design of pulse oximetry system based on embedded PC module

Stankiewicz A., Czerw M., Feige D., Widera A., Hein S.

Journal of Medical Informatics & Technologies

2005

Vol. 9

113--119

Monitoring vital signals is one of the most important tasks performed by the medical equipment nowadays. One of the most frequently applied monitoring types is the pulse oximetry, based on monitoring of arterial oxygen saturation. The design presented in this paper is a modular construction. One of the most important improvements is the application of the embedded PC module in the design of a pulse oximeter. The modular PC is using open source software. The system presented in this paper uses digital detector technology and the input pulse oximeter module developed by the Dolphin Medical. One of the main aims of the research team was to create a design capable of monitoring both vital signals of adults and newborns, to make the device suitable for pediatric and neonatologic wards. Performed tests and examinations for system stability as well as the comparision with other similar devices available on the market confirmed that the presented device design is an optimal solution for the described class of devices. By using the PC module the scalability of the system seriously increases comparing to other designs. The separation of the data acquisition part of the device and the analytical part of the device in the form of a personal computer module makes the device more alike medical computer system than the traditional pulse oximeter responsible only for visualiasation of the read data.

Peleton - computer aided system for rehabilitation training using biomedical signal feedback

Hein S., Kubik S., Brandt J., Swida K., Geodecki M., Szczurek Z.

Journal of Medical Informatics & Technologies

2001

Vol. 2, Part. 2

MT27--MT32

The article describes therapeutic training procedures in Peleton multi-patient rehabilitation system featuring heart rate (HR) stabilization. It presents processing of HR trends and patient’s pulse stabilization using central computer controller connected with multiple ergometers with adjustable workload.