subject: Ceramic Piezoelectric Motor - Varying Methods And Progresses Created In This Innovation [print this page] Ceramic piezoelectric motors are very important in handling surgical processes for MRI devices. It is a known truth that robots are now being utilized in some surgical procedures to represent the function of human hands. But since these devices function with magnetic obstruction, the results they deliver are somewhat influenced. This being said, the importance of robots in the surgical method needed some developments.
This was really the main concern of conceptualizing ceramic piezoelectric motors. The output is now said to address security concerns between MRI devices and robotic arms. The first invention was done through the partnership of the University of Calgary and MacDonald, Dettwiler and Associates Ltd. together with the Johnson Medtech Network. This led to an improvement of a neuroArm that contains 16 nonmagnetic motors. The nonmagnetic feature of the motors allows for proper disposition of magnetic obstruction problems.
The methods behind the neuroArm
Ceramic motors are employed in order to have six rotary joints perform their respective duties. But of course, it will not work without surgeons operating the system. This adapts a reverse piezoelectric effect. The effect is sensed once the electrical energy is changed to its mechanical counterpart to produce the major power supply for the motors.
When making ultrasonic wave, 40 kilohertz of power are applied to ceramic piezoelectric motors. This allows for the ceramic to vibrate. The vibration makes the robotic arm function in a forward and backward motion.
The biggest of the 16 robotic motors in the neuroArm is programmed to handle the biggest weight in the system. It is then placed on the base of the system so that it will be able to deal with a 12-pound force exertion. The tiniest element of the robotic arm on the other hand, is only able to handling around a pound of force.
More fresh developments for these motors
The neuroArm is just one of the numerous technologies that depend upon ceramic piezoelectric motors. While all technologies gets help from Nanomotion, it is with no reservation that changes are needed to be included on each development. One more invention to take note of when it comes to these motors is the Squiggle that comes from New Scale Technologies; one that operates in linear movement generation. This new technology is now being altered at the Rosewell Park Cancer Institute. Bear in mind however that both the neuroArm and Squiggle are not yet commercially accessible.
by: Rich M.
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