Abstract
Product design has become a critical process for the healthcare technology industry, given the ever-changing demands, vague customer requirements, and interrelations among design criteria. This paper proposed a novel integration of fuzzy Kano, Analytic Hierarchy Process (AHP), Decision Making Trial and Evaluation Laboratory (DEMATEL), and Quality Function Deployment (QFD) to translate customer needs into product characteristics and prioritize design alternatives considering interdependence and vagueness. First, the customer requirements were established. Second, the fuzzy KANO was applied to calculate the impact of each requirement, often vague, on customer satisfaction. Third, design alternatives were defined, while the requirements’ weights were calculated using AHP. DEMATEL was later implemented for evaluating the interdependence among alternatives. Finally, QFD was employed to select the best design. A hip replacement surgery aid device for elderly people was used for validation. In this case, collateral issues were the most important requirement, while code change was the best-ranked design.
Highlights
IntroductionCountries, and the growth rate increases every year [1]
Hip Implant (HI) has become an important health issue around the world
This decision is challenging, considering that each methodology has its weaknesses [11,12,13,14]. Since none of these methodologies dominates the others, it becomes clear that advantages as well as its weaknesses [11,12,13,14]. Since none of these methodologies dominates the others, it becomes clear that a proper integration of them should overcome their weaknesses and, in a proper integration of them should overcome their weaknesses and, in doing so, should be able to drive into a robust design process
Summary
Countries, and the growth rate increases every year [1]. This has pushed the actual market to offer a wide range of prostheses [2]. Proper alignment is a crucial step for reducing the chances of joint dislocation [4], prosthetic component wear [3], and impingement [3]. The correction of these types of problems with a new intervention may cost up to $250,000 USD [5]. The alignment process during HI surgery has been addressed in numerous studies [3]
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