Final answer:
The Arthrex HDS has a high-definition imaging system and a modular design as its key unique features compared to its competitors.
Step-by-step explanation:
The Arthrex HDS has two key unique features that set it apart from its competitors. First, it incorporates a high-definition imaging system that provides superior clarity and precision during surgical procedures. This imaging system allows surgeons to visualize the surgical site in real-time, enhancing accuracy and reducing the risk of errors. Second, the Arthrex HDS offers a modular design, which allows for customization and flexibility based on the specific needs of different surgical procedures. This means that surgeons can choose the components and tools that best suit their requirements, optimizing the overall efficiency of the surgical process.