US Patent 11185389 Dental flow control adjuster with operation indicator

A dental delivery system can comprise a first fluid conduit for supplying fluid via the delivery system to a handpiece connected to a distal end of the conduit, a plurality of flow control adjusters positioned on the delivery system at a location remote from the at least one fluid conduit, and an indicator circuit comprising a plurality of sensors and a plurality of indicators corresponding to the plurality of flow control adjusters. A first flow control adjuster of the plurality of flow control adjusters can be operable to change a fluid flow rate in the first fluid conduit. A first sensor of the plurality of sensors can be operable to trigger a first indicator of the plurality of indicators in response to predetermined motion of the first fluid conduit to indicate that the first flow control adjuster is associated with the first fluid conduit.