What significant device did Nick's dad receive from the surgeons?

Nick's dad received a bionic hand called i-LIMB, which represents a significant advancement in prosthetic technology. The i-LIMB is designed to provide enhanced dexterity and functionality, allowing users to perform everyday tasks more easily. This device utilizes individual motors for each finger, enabling a greater range of motion and more natural hand movements compared to traditional prosthetics. Such technological innovations in prosthetics not only improve quality of life but also restore a sense of normalcy for individuals who have lost limbs, making the i-LIMB a notable achievement in medical science and engineering.

While other options such as a prosthetic leg or two new hands imply the need for basic prosthetics, and an advanced medical implant does suggest development in medical technology, none of these specifically captures the advanced capabilities and modern features that the i-LIMB bionic hand offers.