(Photo: Eindhoven University of Technology/Bart van Overbeeke)
By now, many readers are probably familiar with the da Vinci robotic surgery system. It allows a seated surgeon, using a 3D display and hand controls, to operate on a patient using robotic arms equipped with surgical instruments. Not only does the system allow for more laparoscopic surgery (in which surgical instruments access the inside of the patient’s body through small incisions, instead of one large opening), but it even makes it possible for the surgeon and the patient to be in separate geographical locations. Now, a researcher at the Netherlands’ Eindhoven University of Technology has developed a similar system, designed specifically for operations on the eye.
PhD student Thijs Meenink created his robot with procedures on the retina and the vitreous humor in mind. Such eye surgery requires a particularly steady hand – something that surgeons tend to lose as they get older. Consisting of a previously-developed dual-joysticked “master” control unit and Meenik’s two-armed “slave” robotic module, the system filters out hand tremors. This is achieved through its scaling down of the operator’s hand movements. If the surgeon’s hand were to twitch by a centimeter, for instance, the corresponding surgical tool would only twitch by one millimeter. This should result in surgeons being able to keep performing such procedures farther into their careers. via Gizmag
