An adapter for connecting a first connector to a second connector can include a proximal portion configured to linearly engage the first connector with a snap-fit engagement. The adapter can include a distal portion configured to rotationally engage the second connector. Rotation of the adapter relative to the second connector can advance a male luer of the first connector into substantially sealing engagement with a female luer on the second connector. The adapter can be configured to displace a collar on the first connector when coupled to the first connector. The second connector can include a proximal portion that is configured to engage the first connector, such as with a snap-fit engagement.

An adapter set that is attached to artery-side and vein-side shunt connectors-that are provided on a blood circuit. The adapter set includes: an artery-side adapter that has one end thereof connected to the artery-side shunt connector, has the other end thereof connected to a drainage port that is provided on the outside of the blood circuit, and thereby connects the artery-side shunt connector and the drainage port fluid tight; and a vein-side adapter that has one end thereof connected to the vein-side shunt connector, has the other end thereof connected to a supply port that is provided on the outside of the blood circuit, and thereby connects the vein-side shunt connector and the supply port fluid tight. The structure of the other end of the artery-side adapter and the structure of the other end of the vein-side adapter are different.

A primer may be used with IV catheter systems. The primer may be positioned along the tubing of an extension set such that the primer divides the IV catheter system into a downstream portion and an upstream portion. The primer may vent air from both the upstream and downstream portions to allow blood to flow up to the primer while also allowing priming solution to flow down to the primer. As a result, the catheter may be inserted into the patient's vasculature without first priming the catheter. Once the air has been vented from the upstream and downstream portions of the IV catheter system, the primer may be actuated to open a fluid pathway through the primer. With the fluid pathway opened, the priming solution may commence flowing towards the patient's vasculature thereby flushing the blood from the IV catheter system.

An adapter for making a fluid connection between first and second medical fluid flow components, where the first component includes a first male or female Luer connector of a first configuration, and the component includes a second male female Luer connector of a second configuration, that is not compatible with the first configuration, includes a fluid flow conduit with a first adapter connector at a first end of the conduit and a second adapter connector at a second end of the conduit. The conduit includes a fluid flow lumen extending between the first and second ends. The first adapter connector is a male or female Luer having a first configuration that is compatible with the first medical fluid flow component connector. The second adapter connector is a male or female Luer having a second configuration that is compatible with the second medical fluid flow component connector.

Couplers are described herein. A coupler includes a coupler body, a plurality of first retaining fingers, and a plurality of second retaining fingers. The coupler body includes a first end and a second end, and defining a cavity, the cavity configured to receive a first connector and a second connector. The plurality of first retaining fingers are configured to engage against a collar of the first connector to prevent axial motion of the first connector relative to the coupler. The plurality of second retaining fingers are configured to engage against a shoulder of the second connector with a retention force, and release the second connector by radially expanding in response to a pullout force exerted on the second connector exceeding the retention force.

Improved apparatus for use with medication in fluid form, which is particularly beneficial for medications having a relatively high viscosity. The disclosed syringe adapter has an opening that is relatively large, as compared to a conventional needle, and thus affixing the disclosed syringe adapter to a syringe improves syringeability of higher-viscosity medications. Some embodiments feature a lateral extension that prevents inserting the syringe adapter too far into a medicine bottle, and some embodiments feature a component that assists in firmly grasping. When the disclosed syringe adapter is affixed to a pistol-grip or tab-handled syringe, the medication withdrawn into the pistol-grip syringe can be more easily administered from the syringe barrel. In some embodiments, the syringe adapter will be replaced with a needle prior to injecting the medication, while in some other embodiments, the needle is affixed to the in-place syringe adapter for the injection. In yet other embodiments, the needle is affixed to a needle holder that, in turn, is affixed to the in-place syringe adapter for the injection.

A catheter assembly may include an introducer needle coupled to a needle hub, an intermediate member having a contact surface, a resilient member, and a ramp member. The resilient member may be coupled to one of the needle hub and the intermediate member. The ramp member may be coupled to the other one of the needle hub and the intermediate member. The resilient member may engage a ramp surface of the ramp member and impart a force on the intermediate member in a distal direction. The contact surface of the intermediate member may engage a proximal surface of a catheter adapter body and urge the catheter adapter body in the distal direction such that a catheter projecting from the catheter adapter body may be translated in the distal direction relative to the introducer needle.

A connector for coupling an enteral feeding solution supply tube to a port of a gastrostomy device, comprising a fluid conduit having an upstream end and a downstream end; and a nozzle housing a first portion of the fluid conduit at the downstream end configured to be connectable to an orifice defined in the port of the gastrostomy device. The nozzle has a proximal end, a distal end and a longitudinal axis extending therebetween. An external diameter of the nozzle at or adjacent the distal end is substantially equal to an external diameter of the nozzle at or adjacent the proximal end. An external surface of the nozzle includes one or more indentations. The invention also relates to a feeding extension set including a connector and an enteral feeding solution supply tube.

A catheter system may include a cap, which may include a top. The cap may include a male luer extending distally from the top and inserted into a proximal end of a female luer adapter of the catheter system. The cap may include a first arm and a second arm extending distally from the top. The first arm may include a first slot, and the second arm may include a second slot. The first protrusion may be disposed within the first slot and the second protrusion may be disposed within the second slot. The cap may include a collar extending distally from the top. An inner surface of the collar may include a first undercut and a second undercut. The first protrusion may be disposed within the first undercut and the second protrusion may be disposed within the second undercut.

A female connector that allows connection of a male connector including a lock claw and a channel connection. The female connector includes a cap including a top provided with an opening and a peripheral wall extending from an outer peripheral edge of the top; a housing including a cylindrical wall and an engaging protrusion protruding from an outer peripheral surface of the cylindrical wall to form a lower surface engaged with the lock claw; and a valve including a portion sandwiched between the top and the cylindrical wall and a portion penetrating the valve in up-and-down direction. A boundary is formed between an upper surface of the engaging protrusion and a lower end face of the peripheral wall. The lower end face is smaller than the upper surface in outer diameter. The engaging protrusion has an outer peripheral surface including a portion with a diameter increasing downward from the boundary.