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Sökning: WAKA:kon > Högskolan i Borås > Sandsjö Leif

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  • Björkquist, Anna, et al. (författare)
  • Towards Implementation of a Home-Based Phantom Limb Pain Treatment Facilitated by Textile-Electrode System - A Case Study
  • 2023
  • Ingår i: Caring is Sharing — Exploiting the Value in Data for Health and Innovation. - : IOS Press. - 9781643683881 - 9781643683898 ; , s. 682-683
  • Konferensbidrag (refereegranskat)abstract
    • This case study reports the use of a new textile-electrode system for self-administered Phantom Motor Execution (PME) treatment at home in one patient with Phantom Limb Pain (PLP). In follow-up interviews, the patient reported reduced pain, increased mobility, and improved mental health, and aspects such as motivation, usability, support, and treatment outcome, could be recognized from an earlier study as crucial for successful implementation and adoption of the home-based long-term treatment. The findings are of interest to developers, providers, users, and researchers planning home-based clinical studies and/or scenarios based on technology-assisted treatment. 
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  • Candefjord, Stefan, 1981, et al. (författare)
  • Using Smartphones to Monitor Cycling and Automatically Detect Accidents - Towards eCall Functionality for Cyclists
  • 2014
  • Ingår i: Proceedings, International Cycling Safety Conference 2014. ; , s. 1-9
  • Konferensbidrag (refereegranskat)abstract
    • Automatic crash notification to the nearest emergency center in case of a traffic accident will through the EU initiative eCall improve the safety for cars on European roads. eCall function- ality could also increase the safety for vulnerable road users such as cyclists, but there is no technical implementation agreed upon for this purpose. We propose to use smartphones due to their widespread availability and no need for extra hardware. Today’s high-end smartphones are equipped with both GPS functionality and movement sensors. The aims of this study were to explore if smartphones can be used to collect cycling data of sufficient quality and to design and evaluate a crash detection algorithm (CDA) for cycling accidents. A Google Nexus 4 smartphone was chosen for the study. This device is equipped with a combined accelerometer and gyroscope chip. Over five hours of “normal” cycling data, i.e. without accidents/incidents, was collected. Six crash tests were performed using a simplified crash test dummy. In order to achieve a realistic user scenario the smartphone was allowed to be easily carried as in everyday use, i.e. the users were not required to fix it to the body. We used the total acceleration based on the sum of square of each direction to obtain a measure independent on smartphone orientation. For normal cycling this measure was found to momentarily be as high as 50 ms−2. High levels were often due to handling of the smartphone. This prompted that an acceleration threshold alone is not sufficient for an accurate CDA. A marked rotation during a short time interval was found to be an important predictor for crashes. An accurate CDA was designed based on a combination of sensor data such as acceleration and rotation. The CDA detected all crashes and was subsequently evaluated in several hours of normal cycling without any false positive alarms.
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  • Eriksson, Siw, et al. (författare)
  • Ambulance Personnel Participating in Co-Design of a New Concept for Detection of Traumatic Injuries in Emergency Care
  • 2016
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • BACKGROUNDStudies in product development argue the importance of user involvement when designing products. Benefits include targeting relevant problems, finding usable and innovative solutions, and elicit user needs and expectations that may prove critical when introducing the new product.However, some difficulties have been identified. These are mainly related to differences between the users and developers in terms of skills, experiences, terminology, goals and perspectives and that the users tend to neglect the value of their input. Typically users are also included too late in the process to have any real opportunities to alter the final product.The aim of this study was to explore how early inclusion of user competence might influence the development of a novel concept for detection of traumatic injuries in emergency care.METHODSAmbulance nurses representing car and helicopter ambulance were invited to three consecutive workshops to co-design key products of the new concept together with development personnel from the company behind the new concept and design researchers/engineers. The workshops were held in the ideation, concept generation, and development stages of the project. Each workshop was prepared by the researchers to enable and stimulate interaction within the group by applying design practices and provide mock-ups/illustrations. RESULTS Preliminary results from interviews tell that the company representatives report more detailed knowledge about the ambulance personnel’s needs earlier in the process compared to previous projects, and that this knowledge contributed to products with higher usability.The ambulance personnel were positive and pleased to contribute their knowledge. One response was “it is very interesting to contribute to the development of a future product”.CONCLUSIONSThe tested co-design process facilitated the ambulance nurses to contribute their knowledge so that needs and requirements was understood and integrated by the engineers in the design of the new concept for emergency care.
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  • Eriksson, Siw, et al. (författare)
  • Facilitating User Involvement in Development of 3D Smart Textiles For Healthcare Applications
  • 2015
  • Ingår i: Proceedings of the 6th World Conference on 3D Fabrics and their Applications. - Manchester,UK/Raleigh,USA.
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Smart textiles are textiles based on different types of smart materials that can sense or react on environmental stimuli. This new technology is a growing area which exhibits characteristics particularly suitable for capturing (electro) physiological signals, e.g. to monitor ECG, EEG or respiration. These textiles most often form a three dimensional structure where different materials with different characteristics are bound together in different layers. However, in order to take full advantage of these new opportunities the textile industry needs to find new methods to develop innovative smart textile products. One strong and valuable contribution is to involve users early in the development process.The aim of this paper is to highlight how product representations, e.g. prototypes or material samples, can be used to facilitate the communication between users and developers in the development of new healthcare solutions based on textiles. The study presented in this paper was performed through participatory observation. The case is based on the development of a textile structure with three dimensional properties for long-term monitoring of EEG signals.   The main findings are that product representations support the exchange of knowledge and experiences between users and developers by five different facilitating roles:Product representations serve to demonstrate (technical) solutions; to verbalise, i.e. serve to fill in were words are missing or when terms are not understood; to visualise, i.e. facilitating members of the development team to envision or adapt mental images of the intended future product; to stimulate, i.e. to inspire the development team to suggest new ideas or design; and, finally, to integrate, i.e. to unite different perspectives within the development team.Conclusion: By using product representations during the development process to facilitate the dialogue between users and developers, the textile industry may take full advantage of the opportunities made available by new development of materials and new technology in order to fulfil users’ needs.
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  • Eriksson, Siw, et al. (författare)
  • Product Representations as Mediating Tools in the Development of New Medical Technology
  • 2018
  • Ingår i: Design4Health - Fifth International Conference on Design4Health.. - 9781843874218
  • Konferensbidrag (refereegranskat)abstract
    • Involving users in the design process of new products and services is generally disputed as a prerequisite for fulfilling users' needs and requirements. The importance of user involvement has been argued also regarding the development of new medical technology. Collaboration between users and developers/designers is however not without problems due to differences in, e.g. background, training, perspective, and vocabulary. In order to address these differences, the need for different 'mediating tools' has been emphasized. One type of mediating tools is product representations (PRs). Earlier studies have most often focused on the type of PR that should be used in different phases of the development process in order to get input on different designs. This paper describes instead how and in what situations different PRs mediated communication and collaboration between professional users (medical experts) and designers in an innovation project targeting a solution for long-term monitoring of brain activity based on electroencephalographic (EEG) signals.
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  • Eriksson, Siw, et al. (författare)
  • Three-dimensional multilayer fabric structures for interactive textiles
  • 2011
  • Ingår i: 3rd World Conference on 3D Fabrics and Their Applications; Wuhan; China; 20 April 2011 through 21 April 2011. - 9781846260490 ; , s. 63-67
  • Konferensbidrag (refereegranskat)abstract
    • Abstract. The integration of performances in interactive textile fabric system has so far been rather complicated since they are based on multilayer or three-dimensional principles. These structures are today mainly put together by means of several processes, which is laborious and time consuming. In this interdisciplinary study we have combined the principle of a three-dimensional multilayer weaving process and interactive textiles structures in order to enable the manufacturing of interactive textile structure in one process. The process is investigated using a manual reconstructed loom and the approach has been to use the 3D structures in order to integrate and organize conductive and compressive spacer layers as a textile capacitive structure. Measurements on such a structure was done by construction a first order passive high pass filter and using the fabric sample as the capacitor and a 1MΩ resistor. The behavior of the measurement of the capacitive sensor is quite close to the theoretical calculation and already at this stage the structure might be used to indicate the presence of a pressure. In this project we have shown that a three-dimensional structure enables the development of interactive textiles in one process. Further the concept of using a rebuilt manual loom has shown great potential in early research stages. It is considerable saving time and resources since, in this case, it is easy to reconstruct the loom design compared to performing similar reconstruction on a machine. Future research will focus on developing other types of interactive structures. Another issue will be to scale down the size of the structures in order to get thinner and more flexible qualities.
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