There is a need for a way to non-invasively collect exhaled breath vapor from mechanically ventilated postoperative patients for clinician use in an intensive care unit in order to enable early detection and identification of those at risk of postoperative respiratory failure. Our team developed and executed a breath collection device that to allow clinicians to perform safe, integrated, portable and reliable breath sampling from mechanical ventilated postoperative patients.
Developed during the 12th UC Davis BMES Make-A-Thon, Hemo-Swap is a specialized device prototype focused on precise fluid handling and mechanical integration. The core of the project involved engineering a purely mechanical rotating test tube fixture, driven by a custom ratchet and pawl assembly to facilitate controlled, step-wise actuation.
To ensure smooth and reliable operation without the use of electronics, our team relied heavily on rapid prototyping to iteratively test the mechanism and resolve complex physical binding issues. For our successful execution and demonstration of optimal feature deployment throughout the development cycle, our team was honored with the Autodesk Award.