This is a surgical robotic arm with a specialized ring at its end. This ring is designed to securely grasp and precisely orient a surgical trocar, which is a sharp instrument used to create an opening. The system specifically uses sensors on the ring to detect the position and orientation of the trocar, and these sensors are configured to find corresponding sensors *on* the trocar itself.
Why it matters: Filed before the widespread adoption of miniaturized, low-power sensors suitable for integration directly into disposable surgical trocars. Advances in sensor technology and wireless communication since 2020 now make this integrated sensing and orientation more feasible.
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