This project is initiated by Stan Buckens, a radiologist from the RadboudUMC, who believes in realizing passive four-dimensional (4D) CT scans for the wrist. At this moment the wrist is mainly scanned and reviewed statically in 3D. However, it is desirable to see what happens on a CT scan during movement (the fourth dimension) of the wrist, as many clinically significant, debilitating and painful wrist pathologies are dynamic in nature and cannot be fully appreciated statically. Recently it has become technically feasible to have patients actively move their wrists in specific directions (e.g. flexion/extension or ulnar-/radial deviation) to create the fourth dimension, so that the wrist can be reviewed dynamically. However, according to S. Buckens (2019) active movements of the wrist are less desirable than passive movement as patients are typically able to (partly) compensate for wrist instability using forearm muscles, masking potentially significant pathology. During this project a suitable solution is designed to passively move the patient’s wrist in a precise and safe way in the gantry during scanning. Within the analysis phase, a context analysis and state of the art research resulted in six focus areas. Subsequently, in the research phase these focus areas were used to obtain optimal understanding of the product’s solution space and to create and evaluate possible solutions for the design problem. For the focus areas market- and literature research was conducted, various experts were consulted and prototypes were developed and tested. Based on the outcomes of all focus areas a set of design decisions was made throughout the project, eventually leading to the final design of the product. The product makes use of a cable-pulley system in combination with stepper motors which facilitate the desired passive wrist movements. Patients are able to place their arm on top of a standard, where special 3D printed parts (with an integrated adjustment mechanism) are able to fixate their forearm. Additionally, velcro straps are used to account for the variation in arm size. Furthermore, the patient’s hand can be fixated by another 3D printed part; again a velcro strap is used to improve fit and fixation. Electronic parts are integrated in the system to automate the movement, while at the same time allowing the radiologist and laboratory technicians to operate the product. A first evaluation showed that the product is able to facilitate the desired passive wrist movements and is able to fixate both the patient’s forearm and hand well. However, concerning future development the product should be improved on several aspects. Therefore, a set of recommendations is given together with a testing- and implementation plan for the hospital.