As explained in this article, micromanipulators are used in a wide variety of applications in areas as varied as electrophysiology to reproductive biology. Purchasing considerations include type of hand controls, number of instruments the micromanipulator will be controlling, and working range or travel distance that the micromanipulator will need to move an instrument. Speed of travel and working range may vary, in addition to fine and coarse controls. Micromanipulators generally fall into three categories: direct drive (mechanical), motor/electronic drive, and hydraulic drive.
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