thalana mango

Inspiration

Our project originated from a simple yet surprisingly insightful moment. We placed a mango on an inflated plastic bag and noticed that as air shifted beneath it, the mango rolled gently to one side. This playful observation inspired a serious question: if a mango could be repositioned using controlled air movement, could a bedridden patient be assisted in a similar, safe, and gentle way? That curiosity-driven experiment ultimately laid the groundwork for a self-repositioning medical mattress topper designed to help patients move without physical strain. From a single fruit, our idea evolved into a clinically minded innovation grounded in nature, curiosity, and user dignity.

What It Does

Our system, named Thalana Mango, is a smart inflatable mattress topper engineered to support immobile or post-surgical patients by enabling gentle, controlled movement without physical lifting. By adjusting pressure within targeted air cells, the mattress assists with turning, micro-shifting weight, and repositioning to maintain comfort and circulation. This approach redistributes pressure to reduce the risk of bed sores, helps preserve patient dignity by allowing movement independence, and significantly reduces physical strain and fatigue for nurses and caregivers. The result is smoother, safer repositioning aligned with modern standards of patient-centered care.

How We Built It

Development of the system combined engineering rigor, clinical insight, and hands-on experimentation. We began by testing airflow behavior using inflated bags, fruit, and weighted objects to understand how movement could be achieved through shifting pressure. From there, we created a basic design model in Fusion 360 to visualize a hospital-bed-compatible grid of inflatable support zones. At this stage, our intention was to establish the core concept rather than finalize the full mechanical appearance or internal components.

We then outlined a pneumatic control system that would eventually incorporate a pump, air manifold, solenoid valves, and pressure sensors, along with a patient-friendly interface featuring preset repositioning modes, safety controls, and an emergency release mechanism. Prototype bladders were fabricated from medical-grade thermoplastic polyurethane (TPU) to ensure durability, support, and hygiene. Throughout this process, we relied on foundational mechanical principles—such as the pressure-area relationship—to guide initial motion behavior and ensure safe, controlled force distribution.

p=F/A ​

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to ensure safe and evenly distributed force during support and lift cycles.

Challenges We Ran Into

Several challenges emerged during development. Controlling movement smoothly and comfortably required tuning the pressure ramp rate and sequencing inflation zones to avoid sudden shifts. Meeting hygiene and hospital-grade standards led us to adopt antimicrobial TPU coverings and sealed surfaces. Preventing mattress slip demanded anti-skid material and anchor straps, while electrical isolation and safety systems were needed to protect users and staff. Ensuring clinical practicality required nurse override controls and preset modes aligned with real hospital workflows. Turning a playful “mango moment” into a medically safe device required overcoming multiple technical, safety, and usability hurdles—but we succeeded.

Accomplishments We’re Proud Of

We are proud to have transformed a creative spark into a functional medical-device concept. Through multiple interviews with nurses and clinical staff in the hospital, we gained firsthand insight into the daily challenges of patient mobility and care — feedback that directly shaped our solution. Our system provides zoned air-pressure control, safe inflation logic, and intuitive operation, demonstrating a real path toward future clinical deployment. Beyond engineering execution, we created a solution that preserves patient dignity, reduces caregiver strain, and aligns with Enhanced Recovery After Surgery (ERAS) mobility guidelines. Most importantly, we turned curiosity and imagination into a tangible innovation with meaningful potential to improve healthcare environments. What We Learned

Throughout this journey, we learned that inspiration can emerge from unexpected places—even from a mango balancing on an air cushion. We deepened our understanding of biomechanics, pneumatic control, and patient-safety engineering, while recognizing that clinical practicality and nurse workflow are just as important as mechanical performance. Effective medical devices require not only technical precision but also empathy, subtle human-centered design, and robust safety mechanisms. Ultimately, we discovered that controlled pressure leads to guided motion, and guided motion leads to safer, more independent recovery.

Built With

• fusion