A peristaltic pump is a type of positive displacement pump that moves fluids through a tube by creating a series of wave-like motions. This is achieved by compressing and releasing the tube using rollers or shoes, which mimics the natural peristalsis seen in biological systems, such as the human digestive tract. These pumps are commonly used in various applications, including medical devices, laboratory equipment, and industrial processes. They are particularly valued for their ability to handle viscous fluids and slurries without contamination, as the fluid only contacts the inner surface of the tubing, making them ideal for sensitive applications like those involving pharmaceuticals or food products.