Which terminal device is best suited for holding a broom for a TH amputee using a body-powered prosthesis?

In considering the terminal device that is best suited for holding a broom for a transfemoral (TH) amputee using a body-powered prosthesis, the option of a 555 terminal device is particularly advantageous. The 555 is designed specifically for greater grip strength and versatility, making it ideal for handling larger, cylindrical objects like a broom. It incorporates a split-hook design that provides a broad surface area to securely grasp handles, which can be beneficial when performing sweeping motions.

Additionally, the 555 allows for dynamic adjustments in grip, which can be particularly useful when the user needs to apply varying degrees of force or control the broom during use. This adaptability enhances the user's ability to perform household tasks effectively.

In contrast, while a hook mechanism may offer some level of functionality, it generally lacks the versatility and strength required for larger tasks. Similarly, a 3D-printed hand, while potentially customizable and aesthetic, may not provide the same level of grip strength necessary for manipulating a broom. Finally, a pinch grip device, while useful for specific gripping tasks, does not align well with the broader needs of managing larger implements like a broom, which requires a more robust grip. Thus, the 555 terminal device is the most suitable choice for this particular function