Herontwerp van de Photoacoustic Mammoscope

Faber, H. (2008) Herontwerp van de Photoacoustic Mammoscope.

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Abstract:In 2003, the Institute for Biomedical Technology (BMTI) completed the photoacoustic mammoscope (PAM). This is the first clinical prototype of a breast imaging instrument based on the technique of photoacoustics which combines optical and ultrasound imaging. The PAM was used for pilot experiments in 2006 where symptomatic and suspect breasts of patients were imaged to detect breast cancer. This study demonstrated the feasibility of using photoacoustics for breast cancer detection, but also uncovered several drawbacks of the instrumental approach. A vastly improved instrument is necessary before any further research can be carried out. This thesis presents the second prototype for the PAM and consolidates the decisions that were taken to arrive at the design. The design focuses on three main aspects: patient and user friendliness, ergonomics and implementation of Computed Tomography. The first chapter deals with the different aspects which could be useful for the redesign of the PAM. It describes the results of interviews with clinicians who have been involved in experimentation using the PAM and volunteers and clinicians who participated in user tests to ascertain comfort responses. This chapter also discusses the use of related mostly conventional medical imaging devices, of which some elements have inspired the design. A list of specifications was drawn up taking into consideration technical requirements and capabilities of the BMTI together with the outcome of the orientation phase. Chapter 2 develops three concepts based on the list of required specifications. These concepts are examined against the requirements and critically discussed. The concepts are then proposed to the stakeholders. This evaluation gives advice on the choice of design based on the preferred concept. Chapter 3 details the chosen concept and presents a breakdown of the important functional elements of the design. Finally Chapter 4 critically evaluates the final design against the specifications and requirements. This chapter ends with several recommendations for the implementation of the design and presents photographs of a scaled mock-up fabricated in the workshop.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Subject:20 art studies
Programme:Industrial Design BSc (56955)
Link to this item:http://purl.utwente.nl/essays/71871
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