CN204709644U - A kind of Non-needle dosing T-junction valve for infusing - Google Patents
A kind of Non-needle dosing T-junction valve for infusing Download PDFInfo
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- CN204709644U CN204709644U CN201520189960.7U CN201520189960U CN204709644U CN 204709644 U CN204709644 U CN 204709644U CN 201520189960 U CN201520189960 U CN 201520189960U CN 204709644 U CN204709644 U CN 204709644U
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- dosing
- infusing
- dosing chamber
- needle
- junction valve
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Abstract
The utility model discloses a kind of Non-needle dosing T-junction valve for infusing, comprise, shell, comprises the dosing chamber in hollow cavity structure, is fastened on seal cover above described dosing chamber, is connected to the outlet tube of lower end, described dosing chamber and is located at the input pipe of described dosing chamber sidewall; Sealing-plug, is located in accommodating cavity that described seal cover and described dosing chamber formed, is formed centrally medicine circulation road in described sealing-plug; Wherein, between the sealing-plug outer wall and described dosing cavity wall of described dosing intracavity, form the first flow-guiding channel, described medicine stream through described first flow-guiding channel, enters described outlet tube from the second water conservancy diversion groove being positioned at bottom, described dosing chamber from described input pipe.By reducing for the use of the Non-needle dosing T-junction valve of infusing the hidden danger having pin to inject disclosed in this case, improve the safety of injection process, and by the design to medicine circulation road, improve the smoothness of liquid flow.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments.More particularly, this utility model relates to a kind of Non-needle dosing T-junction valve for infusing.
Background technology
Transfusion device be a kind of consumption large, use wide Dispoable medical utensil, the every annual consumption of China reaches more than 50 hundred million.Very general thing for patient carries out infusion treatment.Along with the fast development of medical skill, usual needs two kinds or two or more medicines infusion simultaneously, the transfusion device of single channel can not meet the needs for the treatment of patient far away, this just requires on the basis of single channel transfusion device, add corresponding passage, to realize the infusion of multi-medicament simultaneously.And in existing transfusion device, need the sealing member that can penetrate transfusion device with steel injection needle.Carrying out in this dosing or attended operation process, if slightly misoperation, contactee is just likely by sharp needle sting, and probably therefore cause cross infection, it is careful particularly should more to need when the patient some being suffered to infectious disease carries out treatment operation.
For these reasons, a kind of transfusion connector not needing steel injection needle can realize injecting urgently is developed.
Utility model content
An object of the present utility model solves at least above-mentioned defect, and provide the advantage will illustrated at least below.
Another object of the present utility model is to provide a kind of Non-needle dosing T-junction valve for infusing, and reduces by the use of this joint the hidden danger having pin to inject, and improves the safety of injection process.
This utility model also has an object to be to provide a kind of Non-needle dosing T-junction valve for infusing, and is intended to by the design to medicine circulation road, improves the smoothness of liquid flow.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of Non-needle dosing T-junction valve for infusing, comprising,
Shell 1, comprises the dosing chamber 1.3 in hollow cavity structure, is fastened on seal cover 1.1 above described dosing chamber 1.3, is connected to the outlet tube 1.4 of lower end, described dosing chamber 1.3 and is located at the input pipe 1.2 of described dosing chamber 1.3 sidewall;
Sealing-plug 6, is located in accommodating cavity that described seal cover 1.1 and described dosing chamber 1.3 formed, is formed centrally medicine circulation road in described sealing-plug 6;
Wherein, sealing-plug 6 outer wall in described dosing chamber 1.3 and form the first flow-guiding channel 5 between the inwall of described dosing chamber 1.3, described medicine stream through described first flow-guiding channel 5, enters described outlet tube 1.4 from the second water conservancy diversion groove 4 being positioned at bottom, described dosing chamber 1.3 from described input pipe 1.2.
Preferably, wherein, some radial radiation shape platforms 2 are provided with bottom described dosing chamber 1.3, radial radiation shape platform 2 described in each is equipped with a projection 3 near center axis, be provided with spacing between adjacent two radial platforms, thus form the second corresponding water conservancy diversion groove 4 of some and described radial radiation shape platform 2.
Preferably, wherein, described sealing-plug 6 comprises,
Press section 6.1, be positioned at described seal cover 1.1, match with described seal cover 1.1 structure, and described press section 6.1 outer wall and described seal cover 1.1 inwall are tightly fitted, described press section 6.1 is in cylindrical structure, center upwards " convex " is risen, and axis place, described press section 6.1 top is provided with an axial cut-outs 12, and described otch 12 communicates with medicine circulation road;
Tapered portion 6.2, inverted cone-shaped structure, described tapered portion 6.2 from described press section 6.1 bottom to downward-extension;
Matrix part 6.3, from described tapered portion 6.2 bottom to downward-extension, described matrix part 6.3 is in hollow circuit cylinder body structure;
Wherein, described press section 6.1, described tapered portion 6.2 and described matrix part 6.3 coaxial line, and be formed in one.
Preferably, wherein, described tapered portion 6.2 upper surface diameter is greater than described tapered portion 6.2 lower surface diameter.
Preferably, wherein, described tapered portion 6.2 upper surface diameter is identical with described press section 6.1 bottom diameter.
Preferably, wherein, described matrix part 6.3 external diameter is identical with described tapered portion 6.2 lower surface diameter.
Preferably, wherein, described matrix part 6.3 external diameter is less than described dosing chamber 1.3 internal diameter.
Preferably, wherein, described matrix part 6.3 bottom inwall and described protruding 3 outer rims match.
Preferably, wherein, described seal cover 1.1 outer wall is provided with screw thread, and the screw thread on described seal cover 1.1 matches with Rule conehead meeting ISO594-2 standard-required.
This utility model at least comprises following beneficial effect: 1) due to the design of the radial radiation shape platform in dosing intracavity portion, the first flow-guiding channel and the second water conservancy diversion groove, makes medicine in outlet tube, realize mixing and flow out smoothly; 2) due to radial radiation shape platform convex design, the fixing of sealing-plug matrix part bottom is realized; 3) design of sealing-plug top otch, makes otch in extrusion process just in time open from center, and otch can not be excessive too small, and can be good at playing sealing effectiveness after resetting, and prevents leaked liquid from remaining; 4) when Non-needle dosing T-junction valve of the present utility model is connected with female Luer, the end of female Luer contacts with the sealing-plug end face that can produce deformation and is seal between the two when original position, along with the downward propelling of female Luer, the press section that can produce the sealing-plug of deformation starts distortion, the otch that simultaneously can produce deformation sealing-plug press section is opened gradually, thus defines a fluid passage; When female Luer pushes over the end, the fluid passage formed is maximum, and fluid flow also reaches maximum, thus achieve the fluid exchange of needleless connection, but when removing female Luer, deformation element can be produced and also return to original shape simultaneously, achieve and seal, this operation can repeat.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1-1 is the described structural representation adding sealing-plug for the Non-needle dosing T-junction valve of infusing of the present utility model;
Fig. 1-2 is the described axial section structural representation one adding sealing-plug for the Non-needle dosing T-junction valve of infusing of the present utility model;
Fig. 1-3 is the described axial section structural representation one not adding sealing-plug and seal cover for the Non-needle dosing T-junction valve of infusing of the present utility model;
Fig. 1-4 is the described axial section structural representation two not adding sealing-plug and seal cover for the Non-needle dosing T-junction valve of infusing of the present utility model;
Fig. 1-5 is the described axial section structural representation three not adding sealing-plug and seal cover for the Non-needle dosing T-junction valve of infusing of the present utility model;
Fig. 1-6 is the described axial section structural representation four not adding sealing-plug and seal cover for the Non-needle dosing T-junction valve of infusing of the present utility model;
Fig. 1-7 is the described Non-needle dosing T-junction valve detonation configuration schematic diagram for infusing of the present utility model;
Fig. 2 is the plug construction schematic diagram of the described Non-needle dosing T-junction valve for infusing of the present utility model;
Fig. 2-1 is the sealing-plug cross-sectional view of the described Non-needle dosing T-junction valve for infusing of the present utility model;
Fig. 3 is the described Non-needle dosing T-junction valve seal lid structural representation for infusing of the present utility model;
Fig. 3-1 is the described Non-needle dosing T-junction valve seal lid cross-sectional view for infusing of the present utility model;
Fig. 4 is the described Non-needle dosing T-junction valve for infusing of the present utility model and the sectional view filled in when female Luer is connected;
Fig. 5 is the described Non-needle dosing T-junction valve behaviour in service schematic diagram for infusing of the present utility model;
Shell-1, seal cover-1.1, input pipe-1.2, dosing chamber-1.3, outlet tube-1.4, radial radiation shape platform-2, protruding-3, the second water conservancy diversion groove-4, first flow-guiding channel-5, sealing-plug-6, press section-6.1, tapered portion-6.2, matrix part-6.3, feed tube-7, drain pipe-8, infusion bottle-9, the first through hole-10, second through hole-11, otch-12, Non-needle dosing T-junction valve-13.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Use in this case " on " D score uses in order to character express is clear, do not represent the restriction on direction, be interpreted as: be upper with seal cover 1.1 side, under outlet tube 1.4 side is.
Following figures illustrate according to a kind of way of realization of the present utility model, Non-needle dosing T-junction valve is used in a kind of transfusion, and this three-way valve has an inner fluid passage, a liquid inlet, a liquid outlet, a self-sealing port that can be connected with standard luer fittings.Described three-way valve is by a upper cover with standard luer fittings interworking, and stopper made of elastomeric material has liquid inlet form with the threeway cavity that liquid outlet is connected with upper cover with one.
Described threeway cavity has a liquid inlet and a liquid outlet, and the inwall of described threeway cavity has the groove of an axis by described side, liquid inlet, described groove communicates with described liquid inlet channel.
Wherein, multiple radial groove is arranged at the bottom of described threeway cavity, and the groove of described radial direction communicates with described liquid outlet passage; The axial notch described in one in described multiple radial grooves is communicated with.
Wherein, described threeway cavity bottom has multiple radial radiation shape platform 2 corresponding to described groove, has a projection 3 at described each platform near the central side of described threeway cavity.
Wherein, described stopper is hollow, and the external diameter of the head of stopper is less than stopper base portion, described head and described base portion joining place prolong radially outward projection 3, have a kerf 12 at described apical head, described otch 12 communicates with the hole of hollow, and the top in described hole is arc-shaped.
Wherein, be penetrating in the middle of described upper cover, internal diameter is above less than bottom, and the screw thread covered on described matches with Rule conehead meeting ISO594-2 standard-required.
Wherein, the inner edge of described stopper base portion and the outer rim adaptation of described projection 3.
Described input pipe 1.2, described dosing chamber 1.3 and described outlet tube 1.4 are all made of plastics.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present utility model.The application of shell of the present utility model and sealing-plug, modifications and variations be will be readily apparent to persons skilled in the art.
According to these objects of the present utility model and other advantage, provide the threeway cavity that has a fluid inlet end, a liquid outlet end is formed, one by elastomeric material make can produce deformation under external force, external force can return to again original form stopper after removing, an and upper cover composition with standard Luer interface.The inwall of cavity has the groove of an axis, and the groove of this axis is communicated with by elongated hole with fluid inlet end.There is multiple groove bottom in cavity near liquid outlet; Define multiple corresponding radial platform in the bottom of cavity simultaneously, have a projection 3 at each radial platform near chamber central place.Stopper is hollow, and the external diameter of the head of stopper is less than stopper base portion, and head and base portion joining place prolong radially outward projection 3, and have a kerf 12 at apical head, otch 12 communicates with the hole of hollow, and the top in hole is arc-shaped.Be penetrating in the middle of upper cover, internal diameter is above less than bottom, and the screw thread above covered matches with Rule conehead meeting ISO594-2 standard-required.A Needleless dosing adapter that can repeat to connect, dismantle is defined after above-mentioned three assembling fittings.When not carrying out dosing and connecting, the head of the stopper of deformation and upper cover endoporus can be produced closely cooperate and reach seal request, the bottom of the stopper of deformation and the platform close contact of cylinder body bottom can be produced, bung's bottom portion inner edge is mated with the outer rim of the projection 3 of cavity bottom, whereby the bottom of stopper is fixed in cavity.Fluid passage is formed by groove and hole and groove between liquid inlet and liquid outlet.
As shown in Figure 4, the situation that the sealing-plug 6 made by elastomeric material is out of shape when pressurized and the state that fluid path is formed can be seen in the drawings.
As shown in Figure 5, medicine stream enters in the input pipe 1.2 of Non-needle dosing T-junction valve 13 from infusion bottle 9 through feed tube 7, the first flow-guiding channel 5 is entered through the first through hole 10, and flow to the second water conservancy diversion groove 4 through the first flow-guiding channel 5, outlet tube 1.4 is flowed out to from described second water conservancy diversion groove 4, medicine stream, from described outlet tube 1.4, through the second through hole 11, enters drain pipe 8.
This utility model at least comprises following beneficial effect: when Non-needle dosing T-junction valve of the present utility model is connected with female Luer, and the end of female Luer contacts with the stopper end face that can produce deformation and is seal between the two when original position.Along with the downward propelling of female Luer, the head that can produce the stopper of deformation starts distortion, and the otch 12 that simultaneously can produce deformation plug top is opened gradually, thus defines a fluid passage; When female Luer pushes over the end, the fluid passage formed is maximum, and fluid flow also reaches maximum.Thus achieve the fluid exchange of needleless connection.But when removing female Luer, deformation element can be produced and also return to original shape simultaneously, achieve and seal again.This operation can repeat.
Although embodiment of the present utility model is open as above, it is not restricted to listed in description and embodiment utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the general concept that claim and equivalency range limit, this utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. the Non-needle dosing T-junction valve for infusing, comprises,
Shell (1), comprises the dosing chamber (1.3) in hollow cavity structure, is fastened on the seal cover (1.1) of described dosing chamber (1.3) top, is connected to the outlet tube (1.4) of described dosing chamber (1.3) lower end and is located at the input pipe (1.2) of described dosing chamber (1.3) sidewall;
Sealing-plug (6), be located in accommodating cavity that described seal cover (1.1) and described dosing chamber (1.3) formed, described sealing-plug is formed centrally medicine circulation road in (6);
Wherein, the first flow-guiding channel (5) is formed between sealing-plug (6) outer wall in described dosing chamber (1.3) and described dosing chamber (1.3) inwall, medicine stream through described first flow-guiding channel (5), enters described outlet tube (1.4) from the second water conservancy diversion groove (4) being positioned at described dosing chamber (1.3) bottom from described input pipe (1.2).
2. the Non-needle dosing T-junction valve for infusing as claimed in claim 1, wherein, described dosing chamber (1.3) bottom is provided with some radial radiation shape platforms (2), described in each, radial radiation shape platform (2) is upper is equipped with a projection (3) near center axis, be provided with spacing between adjacent two radial platforms, thus form the second corresponding water conservancy diversion groove (4) of some and described radial radiation shape platform (2).
3. the Non-needle dosing T-junction valve for infusing as claimed in claim 2, wherein, described sealing-plug (6) comprises,
Press section (6.1), be positioned at described seal cover (1.1), match with described seal cover (1.1) structure, and described press section (6.1) outer wall and described seal cover (1.1) inwall are tightly fitted, described press section (6.1) is in cylindrical structure, center upwards " convex " is risen, axis place, described press section (6.1) top is provided with an axial cut-outs (12), and described otch (12) communicates with medicine circulation road;
Tapered portion (6.2), inverted cone-shaped structure, described tapered portion (6.2) from described press section (6.1) bottom to downward-extension;
Matrix part (6.3), from described tapered portion (6.2) bottom to downward-extension, described matrix part (6.3) is in hollow circuit cylinder body structure;
Wherein, described press section (6.1), described tapered portion (6.2) and described matrix part (6.3) coaxial line, and be formed in one.
4. the Non-needle dosing T-junction valve for infusing as claimed in claim 3, wherein, described tapered portion (6.2) upper surface diameter is greater than described tapered portion (6.2) lower surface diameter.
5. the Non-needle dosing T-junction valve for infusing as claimed in claim 4, wherein, described tapered portion (6.2) upper surface diameter is identical with described press section (6.1) bottom diameter.
6. the Non-needle dosing T-junction valve for infusing as claimed in claim 5, wherein, described matrix part (6.3) external diameter is identical with described tapered portion (6.2) lower surface diameter.
7. the Non-needle dosing T-junction valve for infusing as claimed in claim 6, wherein, described matrix part (6.3) external diameter is less than described dosing chamber (1.3) internal diameter.
8. the Non-needle dosing T-junction valve for infusing as claimed in claim 7, wherein, described matrix part (6.3) bottom inwall and described projection (3) outer rim match.
9. the Non-needle dosing T-junction valve for infusing according to any one of claim 1 to 8, wherein, described seal cover (1.1) outer wall is provided with screw thread, and the screw thread on described seal cover (1.1) matches with Rule conehead meeting ISO594-2 standard-required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189960.7U CN204709644U (en) | 2015-03-31 | 2015-03-31 | A kind of Non-needle dosing T-junction valve for infusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189960.7U CN204709644U (en) | 2015-03-31 | 2015-03-31 | A kind of Non-needle dosing T-junction valve for infusing |
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| Publication Number | Publication Date |
|---|---|
| CN204709644U true CN204709644U (en) | 2015-10-21 |
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| CN201520189960.7U Expired - Fee Related CN204709644U (en) | 2015-03-31 | 2015-03-31 | A kind of Non-needle dosing T-junction valve for infusing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797267A (en) * | 2016-05-12 | 2016-07-27 | 山东威高集团医用高分子制品股份有限公司 | Spiral connector |
| CN105879147A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Straight-opening needle-free dosing connector |
| CN105879214A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Screwed needleless medicine adding joint |
| CN105944173A (en) * | 2016-05-27 | 2016-09-21 | 淄博嘉尚国际贸易有限公司 | A Y-shaped needless medicine adding connector |
| CN106390222A (en) * | 2016-08-27 | 2017-02-15 | 江苏吉春医用器材有限公司 | Y-shaped trifurcate needleless dosing apparatus |
| CN113941047A (en) * | 2021-10-25 | 2022-01-18 | 贾宇东 | Medicine adding device for transfusion |
| CN114557886A (en) * | 2022-01-21 | 2022-05-31 | 宁波汉科医疗器械有限公司 | Needleless connector and medicine adding assembly |
-
2015
- 2015-03-31 CN CN201520189960.7U patent/CN204709644U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797267A (en) * | 2016-05-12 | 2016-07-27 | 山东威高集团医用高分子制品股份有限公司 | Spiral connector |
| CN105879147A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Straight-opening needle-free dosing connector |
| CN105879214A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Screwed needleless medicine adding joint |
| CN105944173A (en) * | 2016-05-27 | 2016-09-21 | 淄博嘉尚国际贸易有限公司 | A Y-shaped needless medicine adding connector |
| CN106390222A (en) * | 2016-08-27 | 2017-02-15 | 江苏吉春医用器材有限公司 | Y-shaped trifurcate needleless dosing apparatus |
| CN113941047A (en) * | 2021-10-25 | 2022-01-18 | 贾宇东 | Medicine adding device for transfusion |
| CN113941047B (en) * | 2021-10-25 | 2024-01-30 | 贾宇东 | Medicine adding device for transfusion |
| CN114557886A (en) * | 2022-01-21 | 2022-05-31 | 宁波汉科医疗器械有限公司 | Needleless connector and medicine adding assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 |