Methods of assembling a manifold for a medical waste collection system. A flapper valve unit is secured to a head of a cap. A filter element is positioned within a shell. Basket hands of the filter element are fitted between first pairs of ribs of the cap skirt. Fingers of the shell are fitted between second pairs of ribs of the cap skirt. The cap is secured to the shell to cover an open distal end of the shell. A drip stop is secured to the proximal end base of the shell to seat within the outlet opening. Ears may be fitted through holes defined by the flapper valve unit and cap holes defined by the cap so as to snap lock to the head of the cap. The hub of the flapper valve unit may be compressed with the ears snap locked to the head of the cap.

Fluid flow manifold assemblies for use in fluid flow sets are provided. The fluid flow manifold assembly includes a body having a main fluid channel and a reinforcing plate, the main fluid channel having a fluid inlet, a fluid outlet and a drug port. A flow control assembly is disposed opposite the main fluid channel from the drug port. The flow control assembly is configured to shut off fluid flow through the drug port into the main fluid channel with a plunger of the flow control assembly in a closed position and to allow incremental levels of fluid flow through the drug port into the main fluid channel by variably retracting the plunger based on rotation of a knob of the flow control assembly.

Methods of assembling a manifold for a medical waste collection system. A flapper valve unit is secured to a head of a cap. A filter element is positioned within a shell. Basket hands of the filter element are fitted between first pairs of ribs of the cap skirt. Fingers of the shell are fitted between second pairs of ribs of the cap skirt. The cap is secured to the shell to cover an open distal end of the shell. A drip stop is secured to the proximal end base of the shell to seat within the outlet opening. Ears may be fitted through holes defined by the flapper valve unit and cap holes defined by the cap so as to snap lock to the head of the cap. The hub of the flapper valve unit may be compressed with the ears snap locked to the head of the cap.

A fluid delivery device includes a body and a reed. The body has a primary inflow passage, a secondary inflow passage, and an outflow passage. The reed is disposed at least partially within the body. The reed is configured to move to a first position when a fluid flows from the primary inflow passage and move to a second position when the fluid flows from the secondary inflow passage.

A manifold apparatus and method of opening a valve in a medical/surgical waste collection unit. The manifold includes a base at a proximal end with the base defining an opening off center from an axis of the manifold. The manifold further includes two arcuately spaced tabs, each subtending arcs having different arcuate lengths. The manifold is positioned such that the tabs mate with at least two slots of a lock ring of the waste collection unit so as to cause the opening of the manifold to be, upon insertion into a bore of the waste collection unit, in a specific rotational alignment in the bore. The manifold is rotated within the bore to cause a valve disk to move between a first position in which the valve disk blocks fluid flow through the receiver and a second position in which the valve disk allows fluid flow through the receiver.

According to a preferred embodiment of the present invention there is provided a stopcock including a housing element defining at least first, second and third ports, a handle element which is selectably positionable relative to the housing element, at least one fluid passageway communicating between at least two of the at least first, second and third ports, the at least one fluid passageway being selectably defined by at least one of the housing element and the handle element, the at least one fluid passageway being configured for enabling flushing an internal volume of at least one of the first, second and third ports by a fluid flow which does not flow entirely through the port whose internal volume is being flushed.

Mixing systems and methods include a mixing device comprising a primary tube having a proximal end, a distal end, an outer surface and an inner lumen and at least one secondary tube having a proximal end, a distal end, an outer surface and an inner lumen. The at least one secondary tube is substantially parallel to the primary tube. The distal end of the at least one secondary tube is fluidly connected to the primary tube at a junction located on the primary tube close to the distal end of the primary tube.

A bridge (30) comprises a first inlet port (31) at the end of a capillary, a narrower second inlet port (32) which is an end of a capillary, an outlet port (33) which is an end of a capillary, and a chamber (34) for silicone oil. The oil is density-matched with the reactor droplets such that a neutrally buoyant environment is created within the chamber (34). The oil within the chamber is continuously replenished by the oil separating the reactor droplets. This causes the droplets to assume a stable capillary-suspended spherical form upon entering the chamber (34). The spherical shape grows until large enough to span the gap between the ports, forming an axisym metric liquid bridge. The introduction of a second droplet from the second inlet port (32) causes the formation of an unstable funicular bridge that quickly ruptures from the, finer, second inlet port (32), and the droplets combine at the liquid bridge (30). In another embodiment, a droplet (55) segments into smaller droplets which bridge the gap between the inlet and outlet ports.

A faucet user interface illustratively includes a support extending along a longitudinal axis, and a handle operably coupled to the support. In an illustrative embodiment, the handle is rotatable about the longitudinal axis for controlling a first water parameter (e.g., water temperature), and the handle is axially movable along the longitudinal axis for controlling a second water parameter (e.g., water flow rate). In another illustrative embodiment, a first handle is rotatable about a longitudinal axis of a delivery spout for controlling a first water parameter, and a second handle is rotatable about the longitudinal axis of the delivery spout for controlling a second water parameter.

A water delivery system is disclosed. The water delivery system may have an electronic user interface. The electronic user interface may be a portable device. The electronic user interface may include inputs to select water temperature, water flow rates, water flow patterns, and/or task based presets. A mixing valve for use with either manual faucets or electronic faucets is disclosed.