Dosing control coupling for enteral fluid transfer and enteral couplings and syringes
An enteral dosing control coupling comprising a cylindrical collar defining a hollow internal chamber and a lumen extension tip projecting axially into the internal chamber, the lumen extension tip defining an internal lumen extending therethrough. In example forms, the lumen extension tip is integrally formed with the cylindrical collar. In other example forms, the lumen extension tip is a separate piece and is removably engageable within the cylindrical collar. In some example forms, the present invention relates to syringes, connectors, couplings, etc. having ISO 80369-3 formatted couplings. In other example forms, the present invention relates to connectors, couplings, etc. for adapting coupling formats other than the ISO 80369-3 coupling format to the ISO 80369-3 coupling format.
1 . An enteral coupler comprising:
a coupling member comprising: an elongate body integrally formed as one piece extending a length along a longitudinal axis from a first end to a second end and defining a lumen extending therethrough, the elongate body forming a cylindrical outer collar, wherein a first end of the cylindrical outer collar comprises a first internal chamber defining a first female formatted coupling and a second end of the cylindrical outer collar comprises a second internal chamber defining a second female formatted coupling, wherein at least one of the first female formatted coupling or the second female formatted coupling comprises a female ISO 80369-3 formatted coupling, wherein the female ISO 80369-3 formatted coupling comprises a smooth inner surface defining the first internal chamber or the second internal chamber; and
a lumen extension tip having a connected end connected within the female ISO 80369-3 formatted coupling and projecting axially into the female ISO 80369-3 formatted coupling, the lumen extension tip defining a conduit having a diameter,
wherein the lumen extension tip has an axial length that is shorter than an axial length of the first end of the cylindrical outer collar or the second end of the cylindrical outer collar into which the lumen extension tip projects,
wherein the elongate body and the lumen extension tip define a monolithic body,
wherein the first internal chamber and the second internal chamber each define an inner diameter that is greater than the diameter of the conduit.
2 . The enteral coupler of claim 1 , wherein the first female formatted coupling and the second female formatted coupling both comprise the female ISO 80369-3 formatted coupling.
3 . The enteral coupler of claim 1 , wherein the enteral coupler is configured for coupling a first male ISO 80369-3 formatted coupling with a second male ISO 80369-3 formatted coupling.
4 . The enteral coupler of claim 3 , wherein a first enteral syringe comprises the first male ISO 80369-3 formatted coupling and a second enteral syringe comprises the second male ISO 80369-3 formatted coupling, and wherein the enteral coupler provides for sealingly connecting the first male ISO 80369-3 formatted coupling of the first syringe to the second male ISO 80369-3 formatted coupling of the second syringe.
5 . The enteral coupler of claim 1 , wherein the second female formatted coupling comprises a coupling format other than the female ISO 80369-3 format.
6 . The enteral coupler of claim 5 , further comprising a syringe comprising a coupling format other than the female ISO 80369-3 formatted coupling, and wherein the syringe is configured for sealingly coupling to the second end of the enteral coupler such that the enteral coupler adapts the syringe of the coupling format other than the female ISO 80369-3 formatted coupling to the female ISO 80369-3 formatted coupling.
7 . The enteral coupler of claim 1 , wherein a length of the enteral coupler is between about 14 millimeters to about 30 millimeters.
8 . The enteral coupler of claim 1 , wherein an outer surface of the first end of the cylindrical outer collar or an outer surface of the second end of the cylindrical outer collar comprises an engagement feature formed thereon and is selected from a group consisting of a protrusion, a lug and a helical thread.
9 . The enteral coupler of claim 1 , further comprising a second lumen extension tip projecting axially into the second internal chamber of the second female formatted coupling.
10 . The enteral coupler of claim 1 , further comprising at least one gripping feature selected from a group consisting of one or more panels, an outer barrel, a disc-shaped protrusion and a tab.
11 . The enteral coupler of claim 1 , wherein a transition portion is defined by the elongate body and is positioned between the conduit of the lumen extension tip and the first internal chamber or the second internal chamber, and wherein the transition portion has a second diameter that is greater than the diameter of the conduit and less than the inner diameter of the first internal chamber and the second internal chamber.
12 . An enteral connector for coupling engagement with a syringe comprising a male ISO 80369-3 formatted coupling, the enteral connector comprising:
an elongate body extending a length along a longitudinal axis from a first end to a second end, the elongate body forming a cylindrical outer collar having a first end defining a first internal chamber and a second end defining a second internal chamber,
a female ISO 80369-3 formatted coupling defined by the first end of the cylindrical outer collar, wherein the female ISO 80369-3 formatted coupling comprises a smooth inner surface defining the first internal chamber;
a lumen extending entirely through the cylindrical outer collar; and
a lumen extension tip having a connected end connected within the female ISO 80369-3 formatted coupling and projecting axially into the first internal chamber of the cylindrical outer collar from the connected end,
wherein the cylindrical outer collar and the lumen extension tip define a monolithic body,
wherein an internal surface of a hub of the male ISO 80369-3 formatted coupling is configured to engage with the lumen extension tip and an external surface of the hub of the male ISO 80369-3 formatted coupling is configured to engage the smooth inner surface of the first end of the cylindrical outer collar.
13 . The enteral connector of claim 12 , wherein the enteral connector further comprises an enteral coupling selected from a group consisting of a fluid transfer lid, a tip cap, and an oral administration coupler.
14 . The enteral connector of claim 12 , wherein an outer surface of the first end of the cylindrical outer collar or an outer surface of the second end of the cylindrical outer collar further comprises an engagement feature formed thereon, wherein the engagement feature is selected from a group consisting of a protrusion, a lug, and a helical thread.
15 . The enteral connector of claim 12 , wherein the lumen extension tip is sized, shaped and positioned within the first end of the cylindrical outer collar which defines the female ISO 80369-3 formatted coupling for compatible fitting engagement within an internal conduit of the male ISO 80369-3 formatted coupling.
16 . The enteral connector of claim 12 , wherein the lumen extension tip defines a conduit having a first diameter, wherein the first internal chamber and the second internal chamber each define an inner diameter that is greater than the diameter of the conduit, wherein a transition portion is defined by the elongate body and is positioned between the conduit of the lumen extension tip and the first internal chamber or the second internal chamber, and wherein the transition portion has a second diameter that is greater than the first diameter of the conduit and less than the inner diameter of the first internal chamber and the second internal chamber.
17 . An enteral coupler comprising:
a coupling member comprising: a monolithic elongate body extending a length along a longitudinal axis from a first end to a second end and defining a lumen extending therethrough, the monolithic elongate body comprising a cylindrical outer collar having a first end defining a first internal chamber and a second end defining a second internal chamber, wherein the first internal chamber and the second internal chamber each define an inner diameter, wherein the first end of the cylindrical outer collar comprises a female formatted coupling and the second end of the cylindrical outer collar comprises a female ISO 80369-3 formatted coupling, wherein the female ISO 80369-3 formatted coupling comprises a smooth inner surface defining the second internal chamber; and
a lumen extension tip having a connected end connected directly to the monolithic elongate body at a position within the female ISO 80369-3 formatted coupling, the lumen extension tip projecting axially into the female ISO 80369-3 formatted coupling second internal chamber,
wherein the lumen extension tip has an axial length that is shorter than an axial length of the second internal chamber into which the lumen extension tip projects,
wherein the lumen extension tip defines a conduit having a diameter that is less than the inner diameter of the first internal chamber and the second internal chamber.
18 . The enteral coupler of claim 17 , wherein the cylindrical outer collar further comprises an engagement feature formed on an outer surface of the cylindrical outer collar, wherein the engagement feature is selected from a group consisting of a protrusion, a lug, and a helical thread.
19 . The enteral coupler of claim 17 , wherein the smooth inner surface is configured to engage with an external surface of a hub of a male ISO 80369-3 formatted coupling.
20 . The enteral coupler of claim 19 , wherein an internal surface of the hub of the male ISO 80369-3 formatted coupling is configured to engage with the lumen extension tip.