• Syed Ghulam Sarwar Shah, Ian Robinson, and Sarmad AlShawi.
• Multidisciplinary Assessment of Technology Centre for Health Care, Brunel University, Middlesex, UK. Sarwar.Shah@brunel.ac.uk
• Int J Technol Assess Health Care. 2009 Oct 1; 25 (4): 514-21.

ObjectivesThe aim of this study was to suggest an acceptable and generic theoretical framework for involving various types of users in the medical device technology (MDT) development process (MDTDP).MethodsThe authors propose a theoretical framework suggesting different routes, methods and stages through which various types of medical device users can be involved in the MDTDP.ResultsThe suggested framework comprises two streams of users' involvement in MDT development, that is, what might be called the end users' stream and the professional users' stream for involving these two groups respectively in the process of developing both simple and more complex and innovative medical devices from conceptualization through to the market deployment. This framework suggests various methods that can be used for users' involvement at different stages of the MDT lifecycle. To illustrate the application of the framework, several MDT development scenarios and device exemplars are presented.ConclusionsDevelopment of medical devices from users' perspectives requires not only the involvement of healthcare professionals but also that of the ultimate end users, that is, patients, people with disabilities and/or special needs, and their caregivers. The evidence shows that such end users quickly discard devices that do not fulfill their personal expectations, even though both manufacturers and healthcare professionals may consider those end users' requirements met. Developers and manufacturers need to recognize this potent potential discrepancy between the parties involved, and involve end users and professional healthcare staff directly in the MDTDP. The framework, the authors contend, is a step forward in helping medical device manufacturers plan and make decisions about users' involvement at different stages of the MDTDP.

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