Scientific apparatus and instruments, namely, a fluid-handling device for disposable bioprocessing applications in the nature of a micro-fluidic instrument in which a number of tubes of micro-dimensional diameter are brought together in a cluster to feed into a common output tube of the same or similar size that allows the device to be used to apply micro-liter volumes of fluids, as a chemical stimulation, directly on a single cell or a small group of cells under imaging or electrical analysi...

miniature fluid applicator with microscopic dimensions for use in biomedical research on cells and tissue