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About the project

I was tasked with the challenge of reimagining the new generation of Aereogen for Hamilton Medical controllers while working with Studio Fifield. Our mission was to rethink the controller's interface, aiming for a design that was not only more efficient in terms of button layout and user interaction, but also cost-effective in terms of production.


Another key objective was to ensure that the redesigned controller remained robust and reliable under various operating conditions, thus sustaining Aereogen's reputation for durable products. The project involved thorough user research, iterative prototyping, and rigorous testing, ultimately leading to a final design that achieved the balance between usability, affordability, and durability.

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If there is a problem with the hardware, both lights will blink at the same time.


For the housing design, we chose a square shape with rounded corners. This shape provided a comfortable grip, allowed efficient use of space for an intuitive button layout, and offered a balance between modern aesthetics and practicality.


In terms of button design, we opted for circular shapes that become visible only when illuminated. This decision was made to maintain a clean feeling when the controller is not in use, while still ensuring easy operation when activated. The illuminated buttons not only guide the user to the correct controls in low-light conditions but also are used to provide information about the treatment process.

Attachment to patient bed

An integrated mounting piece allows the control to be attached to the patients bed, treatment equipment and other surfaces.

Treatment modes

A singular icon was designed to represent continuous air flux and simply added "30min" for the alternative cycle. This decision was based on our intent to streamline information and minimize cognitive load for the users. By utilizing a single icon and a clear, time-specific label, we could effectively convey the two different modes without the need for multiple, potentially confusing symbols. This approach simplifies user interaction and enhances understanding of the device's functions.

Tactil recognition

The buttons have a small depression to easily recognize the touch points with the hand. No rims or gaps guarantee maximum cleanliness.

Control unit

Links of interest
* Design with techical specifications was delivered to the engeniering department of Hamilton Medical on march of 2021.
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