US Patent 8672922 Wireless communication in a robotic surgical system

In one embodiment, a method of wireless communication in a robotic surgical system comprises providing a carriage link of a robotic manipulator including a printed circuit assembly and a link communication device, positioning a sterile drape over the robotic manipulator, mounting a removable surgical instrument on the carriage link, and passing data wirelessly in either or both directions through the sterile drape between the link communication device and the surgical instrument along with power for electrical circuitry on the instrument. A robotic manipulator and robotic surgical system are also provided.