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Author: | Lindén, Tomas |
Title: | A study on using indoor positioning systems in health care process monitoring |
En studie i användandet av inomhuspositioneringssystem för automatisk övervakning av vårdprocesser | |
Publication type: | Master's thesis |
Publication year: | 2005 |
Pages: | 52 s. + liitt. 6 Language: eng |
Department/School: | Sähkö- ja tietoliikennetekniikan osasto |
Main subject: | Laskennallinen tekniikka (S-114) |
Supervisor: | Jääskeläinen, Iiro |
Instructor: | Pulkkinen, Otto |
OEVS: | Electronic archive copy is available via Aalto Thesis Database.
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Location: | P1 Ark S80 | Archive |
Keywords: | indoor positioning location systems process tracking care monitoring inomhuspositionering positioneringssystem processföljning vårdävervakning |
Abstract (eng): | This thesis was part of a project at GE Medical Systems' (former Instrumentarium Oyj) where a system for monitoring health care process was developed. The key idea was to use automatically collected location data for detecting patients' care stages. The purpose of this thesis was to investigate the field of indoor positioning, study the methods available for locating objects and people indoors and to perform tests on a few selected technologies. The main available commercial indoor positioning systems were charted and their main strengths and weaknesses were identified and evaluated. Three of these systems were selected for further study. They were installed in a typical office environment and were tested with regard to positioning reliability, i.e. the probability of correctly detecting a person entering or leaving an area. One system, a hybrid technology, turned out to be better equipped to handle positioning of patients in hospitals, since it utilised a combination of two different kinds of positioning systems that turned out to be strong in a wider variety of situations. Since patient movement in hospitals is relatively slow compared to the system's time-scale granularity, it was shown that by sacrificing some of this timeliness, a significant improvement in positioning stability could be gained. The hybrid .system was installed in a trauma centre in the Helsinki capital region and was used to track patients as they went through their surgery processes. Positioning performance suffered from an old and overloaded local area network and from poorly placed positioning receivers in the orthopaedic operating room. However, the goal of roughly being able to automatically monitor patients' care process was achieved, and the care personnel's general attitude towards the system and its usefulness was positive. |
ED: | 2005-02-03 |
INSSI record number: 26719
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