EP3515537A1 - Enteral syringe having angled connector or body having a minimum dimension - Google Patents
Enteral syringe having angled connector or body having a minimum dimensionInfo
- Publication number
- EP3515537A1 EP3515537A1 EP17778050.9A EP17778050A EP3515537A1 EP 3515537 A1 EP3515537 A1 EP 3515537A1 EP 17778050 A EP17778050 A EP 17778050A EP 3515537 A1 EP3515537 A1 EP 3515537A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- barrel
- coupling
- enteral
- syringe
- enteral syringe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
- A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M2005/341—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub angularly adjustable or angled away from the axis of the injector
Definitions
- the present invention relates generally to the field of containment, storage and delivery of fluids, and more particularly to a syringe having an angled connector or body having a minimum dimension.
- Example embodiments of the present invention provide an enteral and oral syringe including a syringe barrel and an enteral dosing control coupling.
- the syringe can be utilized for both enteral and/or oral delivery.
- the syringe barrel or other portions thereof define a side-to-side dimension of at least about 13.3 millimeters.
- the present invention relates to an enteral and oral syringe including a hollow cylindrical barrel extending between a proximal end and a distal end, a base flange at a distal end of the barrel, and an enteral dosing control coupling at a proximal end of the barrel.
- the enteral dosing control coupling is angled relative to the extension of the hollow cylindrical barrel such that a side-to-side dimension of at least about 13.3 millimeters is defined between an outer surface of the barrel and an outermost end of the dosing control coupling.
- the dosing control coupling includes a female ISO 80369-3 formatted coupling.
- the female ISO 80369-3 formatted coupling includes a cylindrical outer collar defining a hollow internal chamber.
- the coupling includes a lumen extension tip projecting axially from the barrel and within the internal chamber of the female ISO 80369-3 formatted coupling, wherein the lumen extension tip includes a small diameter lumen extending therethrough and in communication with the hollow cylindrical barrel.
- a pair of helical coupling lugs project outwardly from an exterior surface of the collar.
- the dosing control coupling can include a male ISO 80369- 3 formatted coupling.
- the dosing control coupling is angled between about 90 - 165 degrees relative to the hollow cylindrical barrel.
- the side-to-side dimension is defined between an outer surface of the barrel and an outermost surface of one of the coupling lugs.
- the present invention relates to an enteral and oral syringe including an elongate barrel having a proximal end and a distal end, and a hollow cavity defined therein.
- the proximal end includes an enteral dosing control coupling and the distal end includes a base flange.
- the elongate barrel has a cross- sectional shape defining a side-to-side dimension of at least about 13.3 millimeters.
- the dosing control coupling has a female ISO 80369-3 formatted coupling.
- the female ISO 80369-3 formatted coupling includes a cylindrical outer collar defining a hollow internal chamber.
- the coupling includes a lumen extension tip projecting axially from the barrel and within the internal chamber of the female ISO 80369-3 formatted coupling.
- lumen extension tip includes a small diameter lumen extending therethrough and in communication with the hollow cavity of the elongate barrel.
- the elongate barrel has a diamond-shaped cross- sectional shape and the side-to-side dimension is defined between the outermost peripheral surfaces of the barrel taken along a major axis thereof.
- the elongate barrel has a generally flat and rectangular cross-sectional shape and the side- to-side dimension is defined between the outermost peripheral surfaces of the barrel taken along a major axis thereof.
- the elongate barrel has an elliptical cross-sectional shape and the side-to-side dimension is defined between the outermost peripheral surfaces of the barrel taken along a major axis thereof.
- the elongate barrel has a rectangular cross-sectional shape and the side-to-side dimension is defined between the outermost peripheral surfaces of the barrel taken along a major axis thereof.
- the elongate barrel has a teardrop cross-sectional shape and the side-to-side dimension is defined between the outermost peripheral surfaces of the barrel taken along a major axis thereof.
- the present invention relates to an enteral and oral syringe including an elongate cylindrical barrel extending between a proximal end and a distal end and defining a hollow cavity therein, the proximal end having an enteral dosing control coupling and the distal end having a base flange, and wherein the enteral syringe further includes one or more features extending outwardly from the elongate cylindrical barrel such that a side-to-side dimension between the one or more outwardly extending features is at least about 13.3 millimeters.
- the one or more features include a pair of fins oppositely positioned and outwardly extending from the elongate cylindrical barrel, and wherein the side-to-side dimension defined between the outermost ends of the fins is at least about 13.3 millimeters.
- the one or more features include a removable sleeve member for coupling around the entirety of the elongate cylindrical barrel, and wherein the side-to-side dimension defined between the outermost surfaces of the sleeve is at least about 13.3 millimeters.
- the sleeve includes a first part and a second part pivotally coupled together by a living hinge, and wherein end engagement portions of the first and second parts are configured for removable engagement therebetween such that the sleeve can entirely surround the elongate cylindrical barrel and provide at least some interference therewith.
- FIGURE 1 shows a plan view of a known female connector for use with syringes according to the ISO 80369-3 standard.
- FIGURE 2 shows a plan view of a known enteral syringe having a female connector.
- FIGURE 3 shows a cross-sectional view of an enteral syringe according to an example embodiment of the present invention, the syringe having a female connector angled with respect to the extension of the syringe.
- FIGURE 4 shows a plan view of an enteral syringe according to another example embodiment of the present invention, the syringe having a female connector angled with respect to the extension of the syringe.
- FIGURE 5 shows a plan view of the angled female connectors of Figures 3-4, showing a comparison of the angled extensions thereof.
- FIGURE 6 shows a front perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 7 shows a cross-sectional view of the enteral syringe of Figure 6 taken along line 7-7.
- FIGURE 8 shows a perspective view of a plunger for use with the enteral syringe of Figure 7.
- FIGURE 9 shows a detailed view of a portion of a plunger according to another example embodiment of the present invention.
- FIGURE 10 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 11 shows a cross-sectional view of the enteral syringe of Figure 10 taken along line 11-11.
- FIGURE 12 shows a perspective view of a plunger for use with the enteral syringe of Figure 10.
- FIGURE 13 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 14 shows a cross-sectional view of the enteral syringe of Figure 13 taken along line 13-13.
- FIGURE 15 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 16 shows a cross-sectional view of the enteral syringe of Figure 15 taken along line 16-16.
- FIGURE 17 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 18 shows a cross-sectional view of the enteral syringe of Figure 17 taken along line 18-18.
- FIGURE 19 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 20 shows a cross-sectional view of the enteral syringe of Figure 19 taken along line 20-20.
- FIGURE 21 shows a perspective view of a plunger for use with the enteral syringe of Figure 19.
- FIGURE 22 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 23 shows an end view of the enteral syringe of Figure 22.
- FIGURE 24 shows an end view of the enteral syringe of Figure 22 according to another example embodiment of the present invention.
- FIGURE 25 shows a perspective view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 26 shows a cross-sectional view of the enteral syringe of Figure 25 taken along line 26-26.
- FIGURE 27 shows a perspective view of an enteral syringe according to another example embodiment of the present invention, showing a sleeve partially engaged with the enteral syringe.
- FIGURE 28 shows the enteral syringe of Figure 27, wherein the sleeve is fully engaged with the enteral syringe.
- FIGURE 29 shows an end view of the enteral syringe of Figure 28.
- FIGURE 30 shows a cross-sectional view of an enteral syringe according to another example embodiment of the present invention.
- FIGURE 31 shows a perspective view of an enteral syringe according to another example embodiment of the present invention. Detailed Description of Example Embodiments
- Figure 1 shows a known enteral dosing control coupling 40 according to the ISO 80369-3 standard.
- the dosing control coupling 40 comprises a female ISO 80369-3 formatted coupling substantially conforming to the ISO design standard 80369-3.
- the female ISO 80369-3 formatted coupling is engageable with a compatible coupling element such as a corresponding male ISO 80369-3 formatted coupling.
- the female ISO 80369-3 formatted coupling 40 generally comprises a base flange 22, a cylindrical collar 42 extending from the base flange 22, and a lumen extending entirely through the coupling 40.
- the base flange 22 comprises a side-to-side dimension or width Wi of about 13.3 millimeters. According to some example forms, the width W-i is greater than or equal to about 13.3 millimeters.
- Figure 2 shows a known enteral syringe 100 comprising a hollow cylindrical barrel 120, a base flange 130 at a distal end of the barrel, and an enteral dosing control coupling 140 at a proximal end of the barrel 120.
- the enteral dosing control coupling 140 comprises a female ISO 80369-3 formatted coupling, and a tab member 122 generally extends perpendicular relative to the extension of the coupling 140.
- 29/530,724 filed June 8, 2015 is incorporated by reference herein, and shows an enteral syringe having a hollow cylindrical barrel, a base flange at a distal end of the barrel, an enteral dosing control coupling at a proximal end of the barrel, and a tab member extending generally perpendicular therefrom.
- a side-to-side dimension or width W 2 is defined between an outer periphery portion of the coupling 140 and an end of the tab member 122, which according to the ISO 80369-3 standard, is a minimum of 13.3 millimeters.
- the syringe comprises a minimum side-to-side dimension W 2 of 13.3 millimeters and is therefore in compliance with the standard.
- this minimum dimension standard according to ISO 80369-3 is for the purpose of preventing misconnection with the unspecified inside diameter of most 15 millimeter connectors as defined by ISO 5356-1 .
- the present invention relates to enteral and oral syringes comprising a side-to-side dimension of at least about 13.3 millimeters, for example, to maintain compliance with the ISO 80369-3 standard.
- the dosing control couplings thereof, or other features or members of the enteral syringe are configured such that the side-to-side dimension is a minimum of about 13.3 millimeters.
- the enteral and oral syringes as described herein can comprise a lumen extension tip for substantially improving, if not entirely eliminating dosing inaccuracies.
- U.S. Non-Provisional Patent Application Serial No. 15/210,282 filed July 14, 2016 is incorporated herein by reference in its entirety and shows an enteral syringe having a dosing control coupling comprising a lumen extension tip.
- FIG. 3 shows an enteral syringe 200 according to an example embodiment of the present invention.
- the syringe 200 comprises a hollow cylindrical barrel 220, a base flange 230 at a distal end of the barrel, and an enteral dosing control coupling 240 at a proximal end of the barrel 220.
- enteral dosing control coupling 240 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 242 defining a hollow internal chamber, and a pair of helical coupling lugs 244 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 42 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 42 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 240 further comprises a lumen extension tip 246, projecting axially from the barrel 220 of the syringe into the internal chamber of the collar 242.
- An internal lumen or enteral fluid delivery conduit 248 extends through the lumen extension tip 246 for fluid communication to and from the contained volume of the barrel 220, allowing fluid delivery in and out of the barrel.
- the lumen extension tip 246 is generally cylindrical or tubular and includes an internal surface defining the lumen or fluid delivery conduit 248, a cylindrical or slightly tapered external surface, and a distal tip at its free end.
- the outer coupling collar 242 is also generally cylindrical or tubular, and at least partially surrounding the lumen extension tip 246.
- the collar 242 comprises an internal surface confronting and spaced a distance apart from the external surface of the lumen extension tip 246, and further comprises an external surface optionally comprising the lugs 244 or other coupling or connection features, and an outer rim at its distal free end.
- the internal dimension of the collar 242 is greater than the external dimension of the lumen extension tip 246, such that a space therebetween forms a receiver for a cooperating portion of a compatible coupling element (e.g., the male ISO 80369-3 formatted coupling).
- the lumen extension tip 246 is positioned generally concentrically and coaxially within the collar 242, and the lumen 248 extends generally centrally through the lumen extension tip 246 also concentric and coaxial with the collar.
- the coupling 240 is preferably angled with respect to the extension of the syringe barrel 220.
- an angle a is defined between the coupling 240 and the syringe barrel 220 such that a side-to-side dimension or width W 3 is a minimum of about 13.3 millimeters.
- the angle a is generally between about 30 - 179 degrees, for example, between about 90 - 155 degrees according to one example embodiment of the present invention.
- the side-to-side dimension W 3 is a minimum of about 13.3 millimeters when the coupling 240 is angled relative to the barrel 220 (e.g., defining an included angle a).
- the side-to-side dimension W 3 is defined between an outer periphery portion of the syringe barrel and an outer surface of one of the lugs 244.
- the lugs 244 are oriented in such a manner to contribute to the side-to-side dimension W 3 .
- the lugs 244 can be oriented about the collar 242 as desired, for example, such that the side-to-side dimension W 3 is defined between an outer periphery portion of the syringe barrel 220 and an end portion of the collar 242.
- the coupling can be angled at about 90 degrees relative to the syringe barrel.
- an angle a is defined between the syringe barrel 320 and the coupling 340 such that a side-to-side dimension or width W 4 is defined between the end of the coupling 340 and a generally opposite side of the syringe barrel 320.
- the extension of the couplings 240, 340 are compared.
- both of the side-to-side dimensions W 3 , W 4 are at least about 13.3 millimeters and the angle a that defines the extension of the coupling 240 is about 45 degrees.
- the angle a that defines the extension of the coupling 340 is about 90 degrees.
- any other desirable angle a can be chosen as desired.
- the coupling can be any desired length, for example, to contribute to the side-to-side dimension thereof.
- the coupling 240 can extend a desired length from the syringe barrel 220.
- the coupling 240 extends about 4 millimeters greater than the length of extension of the coupling 240.
- the minimum length or extension l_i of the collar 240 from the base flange 22 is between about 6.90 millimeters to about 1 1 .00 millimeters, for example, to provide clearance for a threaded outer collar of a compatible ISO 80369-3 formatted male connector.
- the coupling 240 is angled at about 45 degrees relative to the barrel 220 and extends between about 6.90 millimeters to about 1 1.00 millimeters.
- the coupling 240 can be configured to extend a desired length at any desirable angle, for example, such that a side-to-side dimension thereof is at least about 13.3 millimeters.
- FIG. 6 shows an enteral syringe 400 according to another example embodiment of the present invention.
- the syringe 400 comprises a hollow barrel 420, a base flange 430 at a distal end of the barrel, and an enteral dosing control coupling 440 at a proximal end of the barrel 420.
- enteral dosing control coupling 440 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 442 defining a hollow internal chamber, and a pair of helical coupling lugs 444 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 442 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar 442 is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 442 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 440 further comprises a lumen extension tip 446 comprising a fluid delivery conduit 448 as described above.
- the syringe barrel 420 is generally shaped like a rhombus or is generally diamond-shaped and comprises radiused outer and inner corners or intersections between the four outer and inner sides thereof (see Figure 7).
- the barrel defines a width W 5 and a thickness T-i .
- the width W 5 is at least about 13.3 millimeters.
- the thickness Ti can be between about 5 - 12 millimeters, for example about 7 millimeters according to one example embodiment.
- the cylindrical outer collar 442 comprises an outer diameter that is at least partially greater than the thickness TV
- the outer diameter of the cylindrical outer collar 442 is about 8 millimeters and the thickness ⁇ of the syringe barrel 420 is about 7 millimeters.
- the outer diameter of the cylindrical outer collar 442 can be between about 8.00 - 8.20 millimeters and the thickness ⁇ can be varied as desired, for example, to a dimension less than 8 millimeters or greater than 8.20 millimeters.
- the outer diameter of the cylindrical outer collar 442 is at least partially greater than the thickness ⁇ of the barrel, and as such there is a slight discontinuity along the transition from the outer cylindrical collar to the outer surface of the barrel 420.
- the outer diameter of the collar can be substantially similar to the thickness of the barrel, for example, such that a smooth transition is provided therebetween (see Figures 13-14).
- a pair of corner portions 424 are defined at an end portion of the barrel 420 with the coupling 440 positioned between the corner portions (e.g., generally centrally positioned at a central portion of the end portion) and extending therefrom whereby the fluid delivery conduit 448 extends through the lumen extension tip 446 to within the hollow cavity of the barrel 420.
- the cylindrical outer collar extends at least about 6.90 millimeters from the corner portions 424. According to one example embodiment, the cylindrical outer collar extends between about 6.90 millimeters to about 1 1 .00 millimeters. According to another example embodiment, the cylindrical outer collar extends about 8.52 millimeters from the corner portions 424.
- the corner portions 424 are substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 420, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 440 (and in some cases a portion of the syringe body 420) is inserted or removed during oral delivery.
- Figures 8-9 show a diamond-shaped plunger 450 for compatible insertion within the syringe barrel 420 for dispensing or withdrawing fluids from the syringe 400.
- the plunger comprises a generally elongate body 452 comprising a forward end portion 454 defining an end flange 456 and an inset extension portion 460 such that a generally recessed channel or groove is defined therein to provide for compatible fitting engagement with a substantially thick sealing member or gasket.
- a distance W P is defined between an outer surface of the end flange 456 and the inset extension portion 460.
- the distance WP is between about 0.5 - 3.5 millimeters, for example about 2 millimeters according to one example embodiment.
- the recessed channel is relatively shallow to provide for compatible engagement with a generally thinner seal or gasket.
- the rearward end of the plunger 450 can comprise an actuating flange or feature 464 for providing manipulation thereof to push or pull the plunger 450 into and out of the hollow barrel 420.
- FIG. 10 shows an enteral syringe 500 according to another example embodiment of the present invention.
- the syringe 500 comprises a hollow and generally flat barrel 520, a base flange 530 at a distal end of the barrel 520, and an enteral dosing control coupling 540 at a proximal end of the barrel 520.
- enteral dosing control coupling 540 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 542 defining a hollow internal chamber, and a pair of helical coupling lugs 544 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 542 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar 542 is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 542 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 540 further comprises a lumen extension tip 546 comprising a fluid delivery conduit 548 in communication with the hollow cavity of the barrel 520.
- the barrel 520 is substantially elongate and comprises a generally flat or narrow rectangular cross-sectional shape defining a side-to- side dimension or width W 6 and a thickness T 2 (see Figure 11 ).
- the width W 6 is at least about 13.3 millimeters and the thickness T 2 can vary as desired, for example, between about 3.5 millimeters to about 12 millimeters, for example about 5.5 millimeters according to one example embodiment of the present invention.
- Figure 12 shows a generally flat plunger 550 for compatible insertion within the syringe barrel 520 for dispensing or withdrawing fluids from the syringe 500.
- the plunger comprises a generally elongate body 552 comprising a forward end portion 554 defining an end portion 556 and an inset extension portion 560 such that a generally recessed channel or groove is defined therein to provide for compatible fitting engagement with a sealing member or gasket.
- the plunger 550 is sized and shaped to occupy the substantial entirety of the cavity of the hollow barrel 520, for example, wherein the seal or gasket provides for sealingly engaging the forward end portion 554 of the plunger 550 with the inner surface of the hollow cavity of the barrel 520.
- the rearward end of the plunger 550 can comprise an actuating flange or feature 564 for providing manipulation thereof to push or pull the plunger 550 into and out of the hollow barrel 520.
- a pair of corner portions 524 are defined at an end portion of the barrel 520 with the coupling 540 positioned between the corner portions (e.g., generally centrally positioned at a central portion of the end portion) and extending therefrom whereby the fluid delivery conduit 548 extends through the lumen extension tip 546 to within the hollow cavity of the barrel 520.
- the cylindrical outer collar extends at least about 6.90 millimeters from the corner portions 524. According to one example embodiment, the cylindrical outer collar extends about 8.52 millimeters from the corner portions 524.
- the corner portions 524 are substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 520, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 540 (and in some cases a portion of the syringe body 520) is inserted or removed during oral delivery.
- Figures 13-14 show an enteral syringe 600 according to another example embodiment of the present invention.
- the syringe 600 comprises a hollow barrel 620, a base flange 630 at a distal end of the barrel, and an enteral dosing control coupling 640 at a proximal end of the barrel 620.
- enteral dosing control coupling 640 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 642 defining a hollow internal chamber, and a pair of helical coupling lugs 644 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 642 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar 642 is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 642 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 640 further comprises a lumen extension tip 646 comprising a fluid delivery conduit 648 as described above.
- the barrel 620 comprises an elliptical or oval cross- sectional shape comprising a central cylindrical hollow cavity for receiving a plunger and two outer voids or chambers 623.
- the outwardly-spaced chambers 623 are configured such that a side-to-side dimension orwidth W 7 is defined between the outermost surfaces of the barrel 620, or for example, defined between the major axis of the barrel 620.
- the width W 7 is at least about 13.3 millimeters.
- a pair of corner portions 624 are defined at an end portion of the barrel 620 with the coupling 640 positioned between the corner portions (e.g., generally centrally positioned at a central portion of the end portion) and extending therefrom whereby the fluid delivery conduit 648 extends through the lumen extension tip 646 to within the central cylindrical hollow cavity of the barrel 620.
- the cylindrical outer collar extends at least about 6.90 millimeters from the corner portions 624. According to one example embodiment, the cylindrical outer collar extends about 8.52 millimeters from the corner portions 624.
- the corner portions 624 are substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 620, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 640 (and in some cases a portion of the syringe body 620) is inserted or removed during oral delivery.
- the cross-sectional shape of the syringe barrel can be chosen as desired, for example, such that at least one dimension thereof is at least 13.3 millimeters.
- Figures 15-16 show an enteral syringe 700 comprising a generally rectangular cross-sectional shape comprising a central cylindrical hollow cavity and voids or chambers 723 positioned on opposite sides of the central cylindrical hollow cavity.
- the body 700 defines a side-to-side dimension or width W 8 of at least about 13.3 millimeters, for example, taken about sides of the barrel 720 defined between the major axis.
- a pair of corner or side portions 724 define an end portion of the barrel 720, for example, wherein the cylindrical outer collar 742 extends therefrom, for example, extending at least about 6.90 millimeters from the side portions 724 according to one example embodiment.
- the corner portions 724 are substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 720, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 740 (and in some cases a portion of the syringe body 720) is inserted or removed during oral delivery.
- the syringe barrel can comprise other cross-sectional shapes, for example, a teardrop cross-sectional shape as depicted in Figures 17-21.
- the barrel 820 comprises a cylindrical hollow cavity and a chamber 823 offset from the cylindrical hollow cavity wherein a side-to-side dimension or width W 9 is defined along the major axis between an outer surface of a lug 844 and a generally opposite outer periphery portion of the barrel 820.
- the chamber extends along the side of the cylindrical hollow cavity a majority of the extension of the hollow cavity, and terminates at an end or corner portion 824.
- the cylindrical collar 842 is configured to extend at least about 6.90 millimeters from the corner portion 824.
- the cylindrical outer collar extends about 8.52 millimeters from the corner portion 824.
- the corner portion 824 is substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 820, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 840 (and in some cases a portion of the syringe body 820) is inserted or removed during oral delivery.
- the entirety of the barrel can comprise a teardrop cross-sectional shape and be substantially hollow therein, for example, to comprise a substantially similar teardrop-shaped hollow cavity.
- Figures 19-20 show an enteral syringe 900 sized and shaped substantially similar to the syringe 800, however, the hollow cavity of the barrel 920 is shaped to have a substantially similar cross-sectional shape, for example, to receiving a complementary teardrop-shaped plunger 950 (see Figure 21 ).
- a side-to-side dimension or width W 0 is defined along the major axis of the teardrop cross-sectional shape of the barrel 920 between an outer surface of a lug 944 and a generally opposite outer periphery portion of the barrel 920 (see Figure 20).
- the chamber extends along the side of the cylindrical hollow cavity a majority of the extension of the hollow cavity, and terminates at an end or corner portion 924.
- the cylindrical collar 942 is configured to extend at least about 6.90 millimeters from the corner portion 924. According to one example embodiment, the cylindrical outer collar extends about 8.52 millimeters from the corner portion 924.
- the corner portion 924 is substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 920, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 940 (and in some cases a portion of the syringe body 920) is inserted or removed during oral delivery.
- FIGS 22-23 show an enteral syringe 1000 according to another example embodiment of the present invention.
- the syringe 1000 is substantially similar to the syringe 500 as described above, for example, comprising a hollow and generally flat barrel 1020, a base flange 1030 at a distal end of the barrel 1020, and an enteral dosing control coupling 1040 at a proximal end of the barrel 1020.
- enteral dosing control coupling 1040 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 1042 defining a hollow internal chamber, and a pair of helical coupling lugs 1044 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 1042 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar 1042 is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 1042 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 1040 further comprises a lumen extension tip 1046 comprising a fluid delivery conduit in communication with the hollow cavity of the barrel 1020.
- the barrel 1020 is substantially elongate and comprises a generally flat or narrow rectangular cross-sectional shape defining a side-to- side dimension or width Wn and a thickness T 3 (see Figure 23).
- the width Wn is at least about 13.3 millimeters and the thickness T 3 can vary as desired, for example, between about 3.5 millimeters to about 12 millimeters, for example about 6.5 millimeters according to one example embodiment of the present invention.
- a generally flat plunger 1050 can be provided for compatible insertion within the syringe barrel 1020 for dispensing or withdrawing fluids from the syringe 1000.
- the plunger comprises a generally elongate body comprising a forward end portion defining an end portion and an inset extension portion such that a generally recessed channel or groove is defined therein to provide for compatible fitting engagement with a sealing member or gasket.
- the plunger 1050 is sized and shaped to occupy the entirety of the cavity of the hollow barrel 1020, for example, wherein the seal or gasket provides for sealingly engaging the forward end portion of the plunger 1050 with the inner surface of the hollow cavity of the barrel 1020.
- the rearward end of the plunger 1050 can comprise an actuating flange or feature 1064 for providing manipulation thereof to push or pull the plunger 1050 into and out of the hollow barrel 1020.
- a pair of corner portions 1024 are defined at an end portion of the barrel 1020 with the coupling 1040 positioned between the corner portions (e.g. , generally centrally positioned at a central portion of the end portion) and extending therefrom whereby the fluid delivery conduit 1048 extends through the lumen extension tip 1046 to within the hollow cavity of the barrel 1020.
- the cylindrical outer collar extends at least about 6.90 millimeters from the corner portions 1024. According to one example embodiment, the cylindrical outer collar extends about 8.52 millimeters from the corner portions 1024.
- the corner portions 1024 are substantially rounded and radiused to provide a smooth transition to the outer side surfaces of the barrel 1020, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 1040 (and in some cases a portion of the syringe body 1020) is inserted or removed during oral delivery.
- the thickness T 3 is greater than the thickness T 2 , and thus, a more subtle or reduced transition is provided between the outer surfaces of the barrel 1020 and the outer cylindrical collar 1042.
- the coupling 1040 can be positioned entirely to one side of the barrel 1020, for example, as depicted in Figure 24. As shown, a side-to-side dimension or width Wi 2 is defined between an outer periphery surface of the barrel 1020 and a lug 1044.
- Figures 25-26 show an enteral syringe 1 100 according to another example embodiment of the present invention.
- the syringe 1 100 comprises a hollow cylindrical barrel 1 120 comprising a pair of fins 1 122 oppositely and outwardly extending therefrom along the extension of the cylindrical barrel 1 120, a base flange 1 130 at a distal end of the barrel, and an enteral dosing control coupling 1 140 at a proximal end of the barrel 1 120.
- enteral dosing control coupling 1 140 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 1 142 defining a hollow internal chamber, and a pair of helical coupling lugs 1 144 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 1 142 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar 1 142 is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 1 142 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 1 140 further comprises a lumen extension tip 1 146 comprising a fluid delivery conduit as described above.
- the fins 1 122 generally extend on opposite sides of the barrel 1 120 from the base flange 1 130 and terminate at least about 6.90 millimeters from the end of the coupling 1 140.
- the fins 1 122 are configured such that they terminate at least about 7 millimeters from an end portion of the coupling 1 140, for example, about 8.52 millimeters according to one example embodiment of the present invention.
- the terminated ends of the fins near the coupling 1 140 are substantially rounded and radiused to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling 1 140 (and in some cases a portion of the syringe body 1 120) is inserted or removed during oral delivery.
- a side-to-side dimension or width Wi 3 is defined between the outermost ends or surfaces of the fins 1 122, for example, which is generally at least about 13.3 millimeters.
- the syringe barrel 1 120 is substantially uniform along the entirety of the barrel, for example, such that a diameter or thickness T 4 is between about 8.00 - 8.20 millimeters, for example about 8.10 millimeters according to one example embodiment.
- the fins 1 122 define a thickness T 5 of between about 0.50 - 4 millimeters, for example about 2 millimeters according to one example embodiment.
- Figures 27-29 show an enteral syringe 1200 according to another example embodiment of the present invention.
- the syringe 1200 comprises an elongate hollow cylindrical barrel 1220, a base flange 1230 at a distal end of the barrel, an enteral dosing control coupling 1240 at a proximal end of the barrel 1220, and a sleeve member 1280 removably mounted to the barrel 1220.
- enteral dosing control coupling 1240 comprises a female ISO 80369-3 formatted coupling having a cylindrical outer collar 1242 defining a hollow internal chamber, and a pair of helical coupling lugs 1244 projecting outwardly from the exterior surface of the collar.
- the exterior surface of the collar 1242 can comprise helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the exterior surface of the collar 1242 is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar 1242 and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the coupling 1240 further comprises a lumen extension tip 1246 comprising a fluid delivery conduit as described above.
- the sleeve member 1280 is removably mounted to the barrel 1220 of the syringe 1200, for example, wherein a first part 1282 and a second part 1284 are pivotally coupled to each other by a living hinge 1286, and wherein end engagement portions 1283, 1285 interengage with each other such that the sleeve member 1280 remains engaged with the syringe barrel 1220.
- the sleeve member 1280 is generally elliptical or oval when assembled and viewing an end thereof (see Figure 29).
- the sleeve member 1280 defines a side-to-side dimension or width Wi 4 taken along the major axis of the elliptical shape. As depicted in Figure 29, the sleeve 1280 is preferably dimensioned in its minor axis such that an interference fit is provided when the engagement portions 1283, 1285 engage or removably lock with each other.
- one or more portions of the syringe could comprises engagement portions for complementary engagement portions of the sleeve, for example, in a case where no interference existed between the sleeve and the inner surface of the sleeve, whereby one or more complementary engagement features could be provided to facilitate engagement of the sleeve member 1280 with the syringe barrel 1220.
- an end of the sleeve that is generally near the coupling can preferably be substantially rounded or comprise a substantially gradual and smooth transition, for example, to eliminate any concern of the end of the sleeve scratching or causing trauma to a patient's mouth when the coupling (and in some cases a portion of the syringe body) is inserted or removed during oral delivery.
- FIGS 30-31 show enteral syringes 1300, 1400 according to additional example embodiments of the present invention.
- the syringes 1300, 1400 are substantially similar to the syringes as described above, however, the female ISO 80369-3 formatted coupling is replaced with a male ISO 80369-3 formatted coupling.
- U.S. Non-Provisional Patent Application Serial No. 15/659, 323 filed July 25, 2017 is incorporated herein by reference in its entirety and shows an enteral syringe having a male ISO 80369-3 formatted coupling.
- the syringe 1300 comprises a cylindrical barrel 1320 comprising a base flange 1330 at a distal end of the barrel 1320, and a male ISO 80369-3 formatted coupling 1360 at the proximal end of the barrel and extending relative to the barrel 1320 at an angle.
- the coupling 1360 comprises a cylindrical member 1362 defining a lumen 1364 extending entirely therethrough and in communication with the hollow cylindrical barrel 1320.
- a side-to-side dimension or width Wi 5 is defined between an outer periphery portion of the barrel 1320 and an opposite outermost portion of the male coupling 1360.
- the male coupling 1360 extends at about 45 degrees relative to the extension of the barrel 1320.
- the male coupling 1460 is positioned atop an end of a diamond-shaped barrel 1420, for example, wherein a side-to-side dimension or width Wi 6 is at least about 13.3 millimeters.
- other barrels of other cross-sectional shapes can comprise a male ISO 80369-3 coupling as described herein, for example, wherein at least one side-to-side dimension of the syringe is at least about 13.3 millimeters.
- Example embodiments of the present invention preferably provide a side-to- side dimension of at least about 13.3 millimeters, for example, to maintain compliance or compatibility with the ISO 80369-3 design standard.
- various other components or features can be provided with the enteral syringes as described herein as desired, for example, to maintain compliance or compatibility with the ISO 80369-3 standard whereby a side-to-side dimension of the enteral syringe is at least about 13.3 millimeters.
- the dosing control coupling can be angled relative to the barrel such that the side-to- side dimension is at least about 13.3 millimeters.
- the syringe barrel can comprise a desired cross-sectional shape such that a side-to- side dimension thereof is at least about 13.3 millimeters.
- the enteral dosing control coupling as described herein generally extends between about 6.9 millimeters to about 1 1 .00 millimeters (e.g., see L1 of Figure 1 ) from the portion of the syringe defining the side-to-side dimension of at least 13.3 millimeters.
- the dosing control coupling as described above can be configured such that the exterior surface of the collar comprises helical threads generally extending about at least a portion of the exterior surface thereof, for example, like threads on a bolt, other types of conventional coupling members, etc.
- the threads are fully concentric, for example, extending substantially about the entire periphery of the cylindrical collar along a helical path.
- the exterior surface of the collar is entirely smooth without any lugs, for example, whereby a frictional fit will be provided between the collar and a compatible coupling, for example, a male ISO 80369-3 formatted coupling.
- the various plungers for operation with the syringes as described above can comprise a tip extension or forward body portion for extending within the internal lumen of the lumen extension tip, for example, to further eliminate the dead space within the internal lumen of the lumen extension tip to that dosing inconsistencies and anomalies in accuracy during fluid delivery are further reduced, minimized or substantially, if not entirely, eliminated.
- a substantially rounded or radiused transition is provided near the connection of the coupling with the barrel (e.g., outer side surfaces of the barrel or other features or their corresponding terminating ends generally near the coupling) or other portions of the syringe defining the side-to-side dimension of at least 13.3 millimeters, for example, to eliminate any concern of scratching or causing trauma to a patient's mouth when the coupling (and in some cases a portion of the syringe body) is inserted or removed during oral delivery.
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662396491P | 2016-09-19 | 2016-09-19 | |
US201762519720P | 2017-06-14 | 2017-06-14 | |
PCT/US2017/052321 WO2018053532A1 (en) | 2016-09-19 | 2017-09-19 | Enteral syringe having angled connector or body having a minimum dimension |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3515537A1 true EP3515537A1 (en) | 2019-07-31 |
Family
ID=60002041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17778050.9A Withdrawn EP3515537A1 (en) | 2016-09-19 | 2017-09-19 | Enteral syringe having angled connector or body having a minimum dimension |
Country Status (2)
Country | Link |
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EP (1) | EP3515537A1 (en) |
WO (1) | WO2018053532A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1704921A (en) * | 1924-02-11 | 1929-03-12 | Carl C Quale | Capsule for hypodermic syringes |
FR2556595B2 (en) * | 1983-12-20 | 1989-07-13 | Micro Mega Sa | DENTAL SYRINGE FOR INTRA-LIGAMENTARY INJECTIONS |
FR2720279A1 (en) * | 1994-05-30 | 1995-12-01 | Carlos Maria Baron | Disposable hypodermic syringe |
GB9700789D0 (en) * | 1997-01-16 | 1997-03-05 | Butters Edward | Syringe |
US6394984B1 (en) * | 1999-10-28 | 2002-05-28 | Frank C Hill | Syringe |
FR2929854B1 (en) * | 2008-04-10 | 2010-05-28 | Primequal Sa | METHOD FOR MANUFACTURING DISPOSABLE EJECTION DEVICE |
-
2017
- 2017-09-19 EP EP17778050.9A patent/EP3515537A1/en not_active Withdrawn
- 2017-09-19 WO PCT/US2017/052321 patent/WO2018053532A1/en unknown
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Publication number | Publication date |
---|---|
WO2018053532A1 (en) | 2018-03-22 |
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