When it comes to designing high-tech medical devices, Engenious Design in Overland Park is thinking outside the box. An engineering design firm located in the A.L. Huber space off of Interstate 435, Engenious specializes in designing, prototyping and testing products for a gamut of electronic medical devices. Co-founders Chris and Holly Justice never intended to start a company, but due to high demand in Kansas City’s limited medical device sector,…