We managed the complete product lifecycle for this device, transitioning the project from a rough conceptual sketch to a fully functional, test-ready prototype. To ensure the physics were sound before moving to fabrication, we built a comprehensive dynamic model in MATLAB to simulate the applied forces and kinematic motion. This allowed us to validate that the resistance levels met strict medical specifications for patient safety. The mechanical design was built from the ground up, integrating custom sensors and a specialized electromechanical braking system to mimic water’s variable viscosity. Beyond the engineering, we coordinated an international supply chain to source high-precision components, ensuring the final assembly was completed on schedule and within the required performance tolerances for clinical evaluation.