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  • 1.
    Hellman, Emma
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Sahlström, Fredrik
    Halmstad University, School of Business and Engineering (SET).
    HUTTR - Räddningsfilt för hypoterma patienter2011Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Av de tusentals olyckor som sker varje vinter kan kylan bidra till förödande komplikationer. Vär- meförlust från kroppen kan leda till att personer drabbas av hypotermi. Hypotermi inträffar när en persons kroppstemperatur understiger 35 °C och kroppens värmeproduktion slås ut. De låga kropps- temperaturerna gör det svårare att klara av överlevande aktiviteter så som att andas och att stoppa blödningar. För att förhindra fortsatt nedkylning krävs det att personen skyddas mot värmeförlusten och att extern värme tillförs.

    För några år sedan ändrades riktlinjerna för hur extern värme får tillföras i fält och det blev då tillåtet för räddningspersonal att tillföra värme redan vid olycksplatsen. Dock reagerade inte marknaden på detta direktiv och räddningstjänsten är idag tvungna att använda bristfälliga produkter. Svenska Sjöräddningssällskapet, SSRS, har uttryckt ett stort behov av nya, kompletta lösningar som ger rätt vård till patienten.

    Resterande innehåll i sammanfattningen är sekretesskyddad enligt kapitel 2 då det röjer nyheter som förhindrar patentsökande.

  • 2.
    Rosén, Stefan
    et al.
    Toponova AB, Halmstad, Sweden.
    Thomas, Tom
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK).
    Rosén, Bengt-Göran
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces. Manufacturing Technology Research Group, Department of Materials and Manufacturing Technology, Chalmers University, Göteborg, Sweden.
    The Stedman diagram revisited2014In: Surface Topography : Metrology and Properties, ISSN 2051-672X, Vol. 2, no 1, article id 014005Article in journal (Refereed)
    Abstract [en]

    The Stedman diagram has been used for some years to display aspects of the performance of instruments measuring surface roughness. Such diagrams are herein employed to compare the features of a range of proprietary measuring instruments, including contact and non-contact devices. An extension of the basic diagram is proposed, which would allow it to include a further aspect: the speed of data collection. Figures of merit based on the revised diagram are computed, which enable instruments to be ranked on these particular aspects of their performance. Contact instruments emerge as comparable to non-contact, as their slower rate of data acquisition can be offset by the greater area they can access in amplitude–wavelength space. © 2014 IOP Publishing Ltd.

  • 3.
    Rosén, Stefan
    et al.
    Toponova AB, Halmstad, Sweden.
    Thomas, Tom
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    Rosén, Bengt-Göran
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces. Chalmers University, Göteborg, Sweden.
    The Stedman diagram revisited2013In: Metrology and Properties of Engineering Surfaces, 2013: Proceedings of the 14th International Conference, Taipei, Taiwan, June 17-21, 2013, 2013, p. 201-206Conference paper (Refereed)
    Abstract [en]

    The Stedman diagram has been used for some years to display aspects of the performance of surface roughness measuring instruments. Such diagrams are herein employed to compare the features of a range of proprietary measuring instruments, including contact and non-contact devices. An extension of the basic diagram is proposed which would allow it to include a further aspect, speed of data collection. Figures of merit based on the revised diagram are computed which enable instruments to be ranked on these particular aspects of their performance. Contact instruments emerge as comparable to non-contact, as their slower rate of data acquisition can be offset by the greater area they can access in amplitude-wavelength space.

  • 4.
    Sant'Anna, Anita
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Wickström, Nicholas
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Eklund, Helene
    Sahlgrenska Academy, Göteborg, Sweden.
    Zügner, Roland
    Sahlgrenska Academy, Göteborg, Sweden.
    Tranberg, Roy
    Sahlgrenska Academy, Göteborg, Sweden.
    Assessment of Gait Symmetry and Gait Normality Using Inertial Sensors: In-Lab and In-Situ Evaluation2013In: Biomedical Engineering Systems and Technologies: 5th International Joint Conference, BIOSTEC 2012, Vilamoura, Portugal, February 1-4, 2012, Revised Selected Papers / [ed] Joaquim Gabriel et al., Heidelberg: Springer Berlin/Heidelberg, 2013, p. 239-254Chapter in book (Refereed)
    Abstract [en]

    Quantitative gait analysis is a powerful tool for the assessment of a number of physical and cognitive conditions. Unfortunately, the costs involved in providing in-lab 3D kinematic analysis to all patients is prohibitive. Inertial sensors such as accelerometers and gyroscopes may complement in-lab analysis by providing cheaper gait analysis systems that can be deployed anywhere. The present study investigates the use of inertial sensors to quantify gait symmetry and gait normality. The system was evaluated in-lab, against 3D kinematic measurements; and also in-situ, against clinical assessments of hip-replacement patients. Results show that the system not only correlates well with kinematic measurements but it also corroborates various quantitative and qualitative measures of recovery and health status of hip-replacement patients

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