CN102834140A - Three-way stop cock for enteral tube feeding applications - Google Patents

Three-way stop cock for enteral tube feeding applications Download PDF

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Publication number
CN102834140A
CN102834140A CN2010800657259A CN201080065725A CN102834140A CN 102834140 A CN102834140 A CN 102834140A CN 2010800657259 A CN2010800657259 A CN 2010800657259A CN 201080065725 A CN201080065725 A CN 201080065725A CN 102834140 A CN102834140 A CN 102834140A
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CN
China
Prior art keywords
cock
accessories
pipeline
pipeline accessories
aforementioned
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.)
Granted
Application number
CN2010800657259A
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Chinese (zh)
Other versions
CN102834140B (en
Inventor
赖因霍尔德·沃尔肯斯托勒费尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nutricia NV
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Nutricia NV
Priority date (The priority date 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 date listed.)
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Publication date
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Publication of CN102834140A publication Critical patent/CN102834140A/en
Application granted granted Critical
Publication of CN102834140B publication Critical patent/CN102834140B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/223—Multiway valves
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1033—Swivel nut connectors, e.g. threaded connectors, bayonet-connectors
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1083—Tube connectors; Tube couplings having a plurality of female connectors, e.g. Luer connectors
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1088—Tube connectors; Tube couplings having a plurality of male connectors, e.g. Luer connectors
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1094—Tube connectors; Tube couplings at least partly incompatible with standard connectors, e.g. to prevent fatal mistakes in connection
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M2039/229—Stopcocks

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (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

The invention relates to a cock having a housing and a plug which can be rotated therein,the housing and plug made of plastics material, the tap comprising a handle which is non-rotatably connected to the plug for rotating it, and said housing comprising at least two line attachments, characterised in that at least one of said line attachments has Luer-like female end for coupling with a Luer-like male end, said female end having attachment provisions radially extending from said female end and having an outer diameter of 8.2-9.3 mm for receiving a thread-fitting or bayonet-fitting male attachment end.

Description

Be used for the three-dimensional cut-out tap that the enteral tube feed is used
Background technology
The present invention relates to a kind of tap (tap also is cock) or cock (cock) that is used for the enteral tube feed.
US 6536742 discloses the embodiment of the three-way cock of the medical treatment device that is used to be equipped with infusion solution.Cock has the shell of band pipeline accessories and the stopper that rotatably is arranged in shell.Two pipeline accessories in the pipeline accessories are furnished with Rule cone joint with attached pipeline.
In the past, once mistake was appearred in the patient who accepts the enteral tube feed.Employed pipe is connected with three-way cock so that carry out the administration of the second liquid enteral product or the administration of enteral medicine to the patient.Yet, under the existing situation that is used for the pipe that intestinal raises, the medicine administration that can by error vein be used through the three-dimensional cut-out tap, said three-dimensional cut-out tap is connected to carries out the pipeline that intestinal is raised to the patient.
In addition, the pipeline that has a three-way cock is used to possible errors that also the patient is carried out vein and supplies with.For preventing these malpractice, need a kind of novel system to be used for the enteral tube feed and use.
Summary of the invention
The present invention is intended to improve the safety of these type cocks, especially avoids the use mistake of these cocks.
According to a first aspect of the invention; Realized a kind of cock, it has shell and the stopper that can in shell, rotate, and said shell and stopper are made of plastics; This cock comprises handle; Said handle non-rotatably is connected to stopper being used for rotating this stopper, and said shell comprises at least two pipeline accessories, it is characterized in that; In the said pipeline accessories at least one has luer-style concave end (Luer-like female end); So that (Luer-like male end) couples with the luer-style male end, said concave end has the accessories apparatus that radially extends from said concave end, and the external diameter of said concave end is 8.2-9.3mm so that receive evagination adnexa end nipple or bayonet coupling.Adopt the result of this diameter to be, the conventional luer lock joint that is used for intravenous applications can't be connected to according to cock of the present invention, misapplies in intravenously administrable thereby prevent the composition doser.
Said at least one pipeline accessories is restricted to has the luer-style end.In the present invention, this means that this end is formed such end, the parts that have luer lock evagination link usually attach to this end, but this end is of different sizes, so that common luer lock part just is not complementary with it.This link of the present invention can be used to for example liquid enteral nutritional composition or component are supplied in the stream.So just no longer possibly the composition of type of error is supplied in the particular stream, reason is that a link is not complementary with common luer lock.Therefore, this cock for example can be used as the multidirectional cock in the tube feed device.So, can add in extra composition to the tube feed for example.The part that is used to infuse that can not attachedly have conventional luer lock, the part that is used for tube feed that maybe can not will have the luer-style locking is attached to infusion set.Thereby can avoid mistake.On the other hand, other processing and union piece will be used identical with usually, and this is particularly important for the situation of acting hurriedly in a messy situation in medical.
In one embodiment, its purpose is exactly that connection of the present invention is used for tube feed device and contact esophagus and the concrete similar application that directly gets into stomach.Various parts should not couple with the for example part of vein purposes mutually.
The most of known cock of type of the present invention has pipeline accessories, and said pipeline accessories comprises and is used for the end of attached end cap, syringe, other pipes and other devices, accessory and device.These parts are widely known by the people in this area, are not described further here.
In one embodiment, have the external diameter that at least one pipeline accessories of luer-style concave end has and be approximately 7.3-8.2mm, be approximately in one embodiment 7.4+/-0.05mm.
In one embodiment, the external diameter that said accessories apparatus has is approximately 8.5mm, usually+/-0.1mm.
In one embodiment, accessories apparatus comprises circumferential basically end flange.
In one embodiment, accessories apparatus comprises one group of relative basically end notches, and the width that said in one embodiment recess has is approximately 2.9-3.3mm.The thickness that said in one embodiment recess has is approximately 1.2 – 1.4mm, specifically is about 1.3mm.
In one embodiment, shell and pipeline accessories injection mo(u)lding are integral piece.
In one embodiment, handle and the stopper part that forms as one, preferably injection mo(u)lding is an integral piece.
In one embodiment, said shell comprises at least three pipeline accessories, thereby limits multidirectional cock.
The invention still further relates to a kind of assembly, comprise at least one according to cock of the present invention and the part that is complementary with the said pipeline accessories of said cock, said part has the female thread that is complementary with said pipeline accessories with said luer-style male end.
The invention still further relates to a kind of transfusion bag/medical treatment device that has liquid, it comprise the pipe that adapts to said transfusion bag/medical treatment device and be attached to said pipe at least one according to cock of the present invention.
The invention still further relates to a kind of unit or assembly, comprise describe in the description and/or accompanying drawing shown in one or more characteristics.The invention still further relates to a kind of method, comprise describe in the description and/or accompanying drawing shown in one or more characteristics.
Combinable other advantages that provides of the various aspects of explaining in this patent.In addition, some characteristics can be used as one or more bases of dividing an application.
Description of drawings
To be used for further illustrating the present invention with reference to the embodiment and the making of this cock shown in the drawings of cock, in the accompanying drawings:
Fig. 1 shows the top view of three-way cock;
Fig. 2 shows the side view of Fig. 1;
Fig. 3 shows the bottom view of Fig. 1;
Fig. 4 shows the cross section of Fig. 1;
Fig. 5 shows the cross section of Fig. 1 stopper;
Fig. 6 shows the front view of the pipeline accessories end of band luer-style male end;
Fig. 7 shows the top view of the three-way cock of band edge lid shown in Figure 1, has tapped luer-style indent part;
Fig. 8 shows the detail view of end cap shown in Figure 7; And
Fig. 9 shows the cross-sectional view of end cap shown in Figure 8 to show its female thread.
The specific embodiment
Fig. 1 shows the top view according to the three-way cock 1 of the embodiment of the invention.The design of three-way cock 1 is following.This three-way cock has the cylinder blanket 2 of basic hollow core.Shell in the present embodiment comprises three pipeline accessories 4,5,6.Generally, shell 2 injection mo(u)ldings that comprise pipeline accessories 4,5,6 are a single-piece.Fig. 4 shows this point.Pipeline accessories 4,5,6 has interior thorax hole 7,8,9 respectively, and thorax hole is connected to the interior cylindrical thorax hole 10 of the cylindrical member 3 of shell 2 in each through the respective openings in the circumferential wall of its cylindrical member 3 22,21,23.
Stopper 12 rotatably is assembled to the cylindrical member 3 of shell 2 about axis 13.In the present embodiment, stopper 12 simply is snap-fitted in the cylindrical member 3 of shell 2 through circumferential bead or ridge 17 and corresponding circumferential recess 26.This cooperation is widely known by the people, and also can use the similar cooperation of other types.Be equipped with one or more grooves for example can for stopper 12, be equipped with one or more corresponding beads or ridge to shell.Therefore liquid-tight sealing can be provided, stopper 12 can be rotated about axis 13 in shell 2.The cylindrical member 11 of stopper 12 has hollow core 18, thereby circumferential wall is provided for cylindrical member 11.
Stopper is furnished with one or more passages, so that according to the position of rotation of stopper, and connecting line adnexa or stop up one or more pipeline accessories optionally.In this three-dimensional embodiment, the cylindrical member 11 of stopper 12 has opening or passage 19,24 and 25.In Fig. 1, pipeline accessories 4 and 5 the openings 24 and 25 of cylindrical member 11 through stopper 12 are in during fluid is connected.Fig. 4 shows cross section shown in Figure 1.It is how to be integrally formed part that this cross section has been shown clearly in the stopper 12 that comprises handle 14,15 and 16.The cylindrical member 3 of shell 2 has circumferential recess 26.
Pipeline accessories 6 in embodiment illustrated in fig. 1 is furnished with luer-style concave end (female end) or link.As stated, luer-style is meant says likeness in form standard luer joint (being also referred to as luer lock) technically, but following the detailed description, but its size is different.In the present embodiment, pipeline accessories 6 is substantially cylindrical and has the common D outer diameter 3 of 7.4mm.Pipeline accessories in the present embodiment is furnished with two relative end notches 20, with permission female thread and fastener is installed on the pipeline accessories.In the present embodiment, the D outer diameter of these recesses in the present embodiment is 8.5mm.Recess in the present embodiment is the end notches that is positioned at place, pipeline accessories 6 ends, along the about 1.3mm of length direction extension of pipeline accessories 6.Say that from circumferential sense these two recesses have all extended the length D5 of about 2.9-3.3mm.Fig. 6 shows the part in these sizes with the projection pattern of pipeline accessories 6 ends.In the present embodiment, the raceway groove 9 of pipeline accessories 6 is a fine taper, and its diameter increases towards its attachment end.At this place, end, diameter D2 is approximately 5mm.Near the cylindrical member 3 of shell 2, its diameter is decreased to about 4.45mm.About 9mm is extended in this taper.
Fig. 5 shows the cross section with the vertical stopper 12 of cross section shown in Figure 4.
In Fig. 7, be attached with part on the pipeline accessories 6.In this figure, end cap 30 is assemblied on the pipeline accessories 6.End cap 30 is furnished with end band (end strap) 31, and it allows end cap 30 to be attached to other elements again for loss.For example before parts such as attached other elements or similar pipe, can be connected to container, the pipe such as fluid bag or even utilize its end eye (end eye) to be connected to pipeline accessories 4 or 5.Fig. 8 and 9 shows in detail end cap 30.End cap 30 has female thread 33.The size of this screw thread makes it can be installed into the end of pipeline accessories 6.For sealing more reliably is provided, end cap 30 is furnished with extension 32, extends in the raceway groove 9 of pipeline accessories 6, and in fact, it (is specially liquid thickly) hermetically and raceway groove 9 is complementary.
Can find out clearly that from Fig. 7-9 in order to be complementary with female thread, accessories apparatus (being recess 20 here) also can form the external screw thread on pipeline accessories 6 outer surfaces.But the size of mentioning in the early time still remains unchanged.
In operation, in the pipe that cock can be used for from tube feed container (such as the sack that comprises tube feed), drawing.Therefore, pipe leads to cock 1 from sack, and is connected in pipeline accessories 4 or 5.Another pipe is drawn from cock 1, guides the patient into from relative pipeline accessories 5 or 4.After removing end cap 30, another pipe of syringe or conveying medicine for example can be attached to pipeline accessories 6.When clockwise (with respect to Fig. 1) rotation stopper 12 aligns with pipeline accessories 4 and handle piece 14 when aliging with pipeline accessories 6 up to handle piece 16, pipeline accessories 6 just is connected with 4 one-tenth fluids of pipeline accessories.Guide the for example pipe of patient's stomach into if pipeline accessories 4 is carried, the composition such as medicament just can be supplied to the patient.After administration, utilize handle just can be set to state shown in Figure 1 by stopper.Just removable then syringe or other pipes cover end cap 30 again.
Be clear that, comprise above-mentioned explanation and accompanying drawing, do not limit protection scope of the present invention just for some embodiments of the present invention are described.Based on the disclosure, those skilled in the art can understand many other embodiment, and said embodiment drops in protection scope of the present invention and the spirit, and they are conspicuous combinations of prior art and the application's disclosure.

Claims (13)

1. cock has shell and the stopper that can in said shell, rotate, and said shell and stopper are made of plastics; Said cock comprises handle; Said handle non-rotatably is connected to said stopper so that its rotation, and said shell comprises at least two pipeline accessories, it is characterized in that; In the said pipeline accessories at least one has the luer-style concave end; Be used for coupling with the luer-style male end, said concave end has the accessories apparatus that radially extends from said concave end, and the external diameter that said concave end has is 8.2-9.3mm so that receive the evagination adnexa end of nipple or bayonet coupling.
2. cock according to claim 1 is characterized in that, the external diameter that at least one said pipeline accessories of band luer-style concave end has is approximately 7.3-8.2mm, be approximately in one embodiment 7.4+/-0.05mm.
3. cock according to claim 1 and 2 is characterized in that, the external diameter that said accessories apparatus has be approximately 8.5mm+/-0.1mm.
4. according to a described cock in the aforementioned claim, it is characterized in that said accessories apparatus comprises circumferential end flange substantially.
5. according to a described cock in the aforementioned claim; It is characterized in that; Said accessories apparatus comprises one group of relative basically end notches; The width that said in one embodiment recess has on circumferential direction is approximately 2.9-3.3mm, said in one embodiment recess said pipeline accessories vertically on thickness be approximately 1.2-1.4mm, be specially about 1.3mm.
6. according to a described cock in the aforementioned claim, it is characterized in that said shell and pipeline accessories injection mo(u)lding are integral piece.
7. according to a described cock in the aforementioned claim, it is characterized in that, said handle and the stopper part that becomes one that links together, preferably injection mo(u)lding is an integral piece.
8. according to a described cock in the aforementioned claim, it is characterized in that said shell comprises at least three pipeline accessories, thereby limit multidirectional cock.
9. according to a described cock in the aforementioned claim, it is characterized in that said accessories apparatus extends about 0.45mm from the outer surface of said at least one pipeline accessories of band luer-style concave end.
10. according to each the described cock in the aforementioned claim; Wherein, Said at least one pipeline accessories of band luer-style concave end have at the place, accessories apparatus end of this pipeline accessories diameter be 5+/-raceway groove of 0.03mm; In one embodiment, said raceway groove is tapered towards said stopper direction, and the tapering of said raceway groove is about in one embodiment ... Degree; In one embodiment, said raceway groove the diameter apart from the distance of said pipeline accessories end 8.5-9.5mm be 4.45+/-0.03mm.
11. assembly; Comprise that according to one in the aforementioned claim described at least one cock and the part that is complementary with the said pipeline accessories of said cock said part has the female thread that is complementary with said pipeline accessories with said luer-style concave end.
12. according to the described assembly of aforementioned claim, wherein, said at least one pipeline accessories of band luer-style concave end has raceway groove according to claim 10; It is characterized in that; Said coupling part comprises an end, and when said coupling part was attached to said pipeline accessories, said end was snug fit in the said raceway groove; In one embodiment, said end is that the taper with said raceway groove of taper is complementary.
13. the medical treatment device of a load bearing fluid enteral nutrient composition, comprise be mounted to the pipe in transfusion bag/medical treatment device and be attached to said pipe at least one according to each described cock in the aforementioned claim.
CN201080065725.9A 2010-03-23 2010-03-23 For the three-dimensional cut-out tap of enteral tube feed application Expired - Fee Related CN102834140B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2010/050148 WO2011119021A1 (en) 2010-03-23 2010-03-23 Three-way stop cock for enteral tube feeding applications

Publications (2)

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CN102834140A true CN102834140A (en) 2012-12-19
CN102834140B CN102834140B (en) 2015-11-25

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CN (1) CN102834140B (en)
WO (1) WO2011119021A1 (en)

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WO2011119021A1 (en) 2011-09-29
CN102834140B (en) 2015-11-25

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