
Obesity has become a growing concern nationwide, with over one third of United States adults being classified obese. According to CDC data, the rate of adult obesity in the U.S is 42.4 percent. With the idea in mind that appetite suppression aids weight loss, and that neurostimulation is a reliable way to produce appetite suppression, the Elira Team knew that creating a device that could provide such stimulation from the time you wake up to going to sleep was within reach.
Elira’s medical experts envisioned a drug-free solution to create and reinforce healthy habits. They believed a discrete, convenient, and wearable device would be easy for patients to incorporate into their daily lives for appetite suppression and weight loss. But they lacked the in-house technical knowledge to bring the idea to life.

With Elira’s vision in mind, the team at C3 Medical defined a process and objectives to develop custom hardware and firmware for the wearable device. The neurostimulator electrode suppresses the wearer’s appetite and fits into a simple adhesive patch with a small but long-lived rechargeable battery.
We also developed a user-friendly app to support the device. The application allows patients to regulate neurostimulation.
Throughout the process the team worked alongside the Elira team to meet their requirements for the device. We made adjustments to the design based on their feedback and gave our suggestions as needed, drawing on our previous work on neuromodulation devices.
We also successfully navigated supply chain hold ups and the manufacturing and testing processes. By fully documenting the process, we were able to obtain FDA approval for a clinical trial of the device.


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The Elira neurostimulator represents a significant advancement in combating obesity by utilizing neurostimulation technology to suppress appetite. This innovative approach addresses the physiological aspects of weight management, offering a potential solution for individuals struggling with obesity-related challenges.
Research indicates that neurostimulation can effectively alter appetite signals, leading to reduced food intake and weight loss. The Elira team aims to provide a user-friendly device that integrates seamlessly into daily routines, making it easier for users to achieve their weight loss goals while maintaining a healthy lifestyle.
C3 Medical's collaborative approach to developing the Elira neurostimulator involved close partnerships with stakeholders throughout the project. This ensured that the device met the needs and expectations of both users and regulatory bodies, ultimately enhancing its market readiness.
By engaging in continuous feedback loops and iterative design processes, the team was able to refine the device's features, ensuring it was not only effective but also user-friendly. This level of collaboration is crucial in the medical device industry, where user experience can significantly influence adoption and success.
Navigating the regulatory landscape is a critical aspect of bringing a medical device to market, and C3 Medical excelled in this area with the Elira neurostimulator. The team meticulously documented every stage of the development process to facilitate a smooth FDA approval for clinical trials.
Understanding the complexities of regulatory requirements allowed C3 Medical to anticipate challenges and address them proactively. This strategic approach not only expedited the approval process but also instilled confidence in stakeholders regarding the device's safety and efficacy.
The future of neurostimulation technology in weight management looks promising, with ongoing research and advancements paving the way for more effective solutions. The Elira neurostimulator is at the forefront of this trend, showcasing the potential of wearable technology in health and wellness.
As more studies emerge demonstrating the effectiveness of neurostimulation for appetite control, we can expect greater acceptance and integration of these devices into mainstream weight management strategies. C3 Medical is committed to leading the charge in this innovative field, continually exploring new opportunities for development and improvement.