Wireless energy transfer for medical applications

This invention describes a surgical device that gets its power without needing any cords. It works by picking up energy from a magnetic field in the operating room, converting that energy into electricity, and directly powering a surgical tool. For example, the claims specifically mention an electric scalpel, and the device also includes a rechargeable battery that can be topped up wirelessly.

Why it matters: Since 2014, advancements in high-frequency wireless power transfer and miniaturized power electronics have made it more feasible to deliver the required voltage and frequency for direct surgical tool operation. This also aligns with the significant growth and increasing complexity of surgical robotics, where untethered instruments offer substantial advantages.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedWireless power electronics, medical device integration

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