Overview
I have designed a 3D-printed MRI machine specifically tailored for Playmobil figures, providing a fun and interactive tool to help children manage the anxieties associated with undergoing an MRI scan. This scaled-down model can serve as a therapeutic aid in play therapy, enabling children to role-play and familiarize themselves with the MRI process in a safe, non-threatening environment.
The MRI machine features a realistic design, unlike the simplified Playmobil version, with a sliding scanning bed where Playmobil figures can be placed. This allows children to interact with the model and relate it to the real MRI machine. This approach enhances the effectiveness of play therapy sessions, particularly as most current sessions rely on showing children pictures of MRI machines due to the lack of access to actual equipment.
MRI machines are widely used in medical practices, particularly in cancer treatment. In the UK alone, around five children are diagnosed with cancer every day, and for many, their journey will involve time in MRI machines.
By incorporating this 3D-printed MRI model into play therapy, children can explore their emotions, learn about the process, and build confidence, all while engaging in imaginative play. The goal is to help children understand that MRI scans are just a part of their healthcare journey, making the real experience less intimidating when it eventually takes place.
Recommended Figures
Several Playmobil sets feature child figures that are suitable for this model. Some examples include:
Assembly Notes
The bed assembly attaches to the MRI machine via friction-fit pegs, making it easy to transport and minimizing the likelihood of damage—a consideration given the mobile nature of play therapists. However, if desired, the bed can be secured with super glue.
The bed assembly uses a retention "T" system to prevent the bed from slipping off. When removing the supports from the bed, be cautious, and move the bed through the T system several times to loosen it before use.
Design Notes
There are two versions of the model:
Note that the model is not an exact scale replica, as it was designed based on stock images rather than precise measurements. However, this does not affect its overall functionality.
To clarify this model was completed independently, using publicly available images, and not as part of a professional capacity.
While Playmobil does offer an MRI set, it differs significantly from the machines used in hospitals. This design aims to provide a more accurate representation of the equipment, which can be more beneficial for therapeutic purposes.
Planned Updates
Looking ahead, I plan to design a similar model of a radiotherapy LINAC (linear accelerator), a device commonly used in cancer treatment. This model will further help children undergoing treatment to alleviate their anxiety through play.
Additionally, I may explore ways to optimize the model’s design. Currently, printing all the elements takes just under 9 hours, and I hope to reduce this time for greater efficiency.
I have also thought about incorporating LED illumination into the model, to more closely model the real unit.
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