CN205586297U - Needleless of taking one -way function adds medicine joint - Google Patents
Needleless of taking one -way function adds medicine joint Download PDFInfo
- Publication number
- CN205586297U CN205586297U CN201620132052.9U CN201620132052U CN205586297U CN 205586297 U CN205586297 U CN 205586297U CN 201620132052 U CN201620132052 U CN 201620132052U CN 205586297 U CN205586297 U CN 205586297U
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- CN
- China
- Prior art keywords
- joint
- rule
- connector
- way function
- male joint
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- 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.)
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Links
- 239000003814 drug Substances 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims description 7
- 239000004425 Makrolon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 8
- 210000004369 blood Anatomy 0.000 abstract description 8
- 238000001802 infusion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a needleless of taking one -way function adds medicine joint, including rule male joint, articulate spare, rule female joint, plug and one -way valve membrane piece, be provided with a support column and a plurality of boss in the lower extreme opening of rule male joint, the passageway that link up is seted up to the inside of articulate spare about in the of one, be provided with a flange and a plurality of rib in the upper end opening of articulate spare, a plurality of rib equipartitions are in the upper end open -ended internal face of articulate spare, the flange is the annular, just the flange is located the below of rib, rule male joint is passed through articulate spare with rule female joint links to each other, one -way valve membrane piece sets up rule male joint with between the articulate spare. The utility model discloses a needleless of taking one -way function adds medicine joint can make the infusion operation go on from external to internal, has guaranteed that the blood phenomenon can not appear back in the infusion in -process.
Description
Technical field
This utility model relates to the needleless medicine-feeding joint of a kind of band one-way function.
Background technology
Along with the medical market attention to patient safety, and the attention to medical personnel's safety, on market increasingly
Many use needleless medicine-feeding joints carry out infusion.Currently there are various needleless medicine-feeding joint to produce according to when using
Raw pressure is different, is divided into again positive pressure connector, negative pressure joint.Owing to negative pressure joint does not notes
It is possible to meeting blood back phenomenon, dealing with improperly and can form thrombosis harm patient, positive pressure connector in use can produce
Liquid in pipeline is rushed at blood vessel, permissible anti-return blood by one malleation, but in use must coordinate
Other apparatuses (flow-stopping clip) just can play a role, it is desirable to nurse changes operating habit, strictly observes operation order and enters
Row operation, middle order change may cause joint not have the function of blood return prevention, even result in joint sealing not
, make the internal bacteria breed of joint, bring extra risk for patient.
The Chinese patent of Application No. 201020147966.5 discloses a kind of needleless medicine-feeding joint, including plug, connects
Headstock and have the connector cover of inner chamber, can realize Needleless dosing, it is to avoid medicinal liquid is produced and pollutes by syringe needle, uses spirit
Live, it is not necessary to other accessories or step can be achieved with the function of Needleless dosing；Product structure is simple, easy to operate,
But this needleless medicine-feeding joint does not possess one-way function, it is possible that blood back phenomenon in infusion process.
Utility model content
The purpose of this utility model is the defect overcoming prior art, it is provided that the Needleless dosing of a kind of band one-way function connects
Head, it is possible to making transfusion operation is can only to carry out from external to internal, it is ensured that do not have blood back in infusion process existing
As.
The technical scheme realizing above-mentioned purpose is: the needleless medicine-feeding joint of a kind of band one-way function, including Rule public access
Head, connector for joint, Rule female joint, plug and check valve diaphragm, wherein:
A support column and some boss, described some boss cinctures it are provided with in the lower ending opening of described Rule male joint
The internal face of the lower ending opening of described Rule male joint is arranged, and described support column is del, and described support column
It is positioned at the middle part of the lower ending opening of described Rule male joint；
The inside of described connector for joint offers the passage of a up/down perforation, the upper end open of described connector for joint
Inside being provided with a flange and some ribs, described some ribs are distributed on the interior of the upper end open of described connector for joint
Wall, ringwise, and described flange is positioned at the lower section of described rib to described flange；
The male joint of described Rule is connected with the female joint of described Rule by described connector for joint, the male joint of described Rule
Lower ending opening clamping residence state the upper end open of connector for joint, the upper end open card of described Rule female joint is caught
The lower ending opening of described connector for joint；
Described check valve diaphragm is arranged between the male joint of described Rule and described connector for joint, and described check valve
The upper surface of the flange on the lower surface of diaphragm and described connector for joint is arranged, described check valve diaphragm upper
Surface contacts setting with the bottom of the support column in the male joint of described Rule；
Described plug is placed in the interior intracavity of described Rule female joint, and its upper end is socketed under described connector for joint
In end opening, in described plug, offer a upper end open passage and the channel connection with described connector for joint, described
The lower surface of plug is formed with the female joint of described Rule and seals structure.
The needleless medicine-feeding joint of above-mentioned a kind of band one-way function, wherein, the top of described Rule male joint is for intubating
Joint.
The needleless medicine-feeding joint of above-mentioned a kind of band one-way function, wherein, the male joint of described Rule has internal coiling and connects
Mouthful.
The needleless medicine-feeding joint of above-mentioned a kind of band one-way function, wherein, the male joint of described Rule, connector for joint
Make by makrolon material with Rule female joint.
The needleless medicine-feeding joint of above-mentioned a kind of band one-way function, wherein, described plug is made up of silica gel material.
The needleless medicine-feeding joint of above-mentioned a kind of band one-way function, wherein, the lower end of described support column extends in described
The outside of Rule male joint.
The needleless medicine-feeding joint of band one-way function of the present utility model, the China to Application No. 201020147966.5
Patent one needleless medicine-feeding joint, is transformed and has been innovated；Make product safer, reliably.This utility model
The needleless medicine-feeding joint of band one-way function transfusion operation can be made to be can only to carry out from external to internal, it is ensured that defeated
Blood back phenomenon is not had, it addition, the needleless medicine-feeding joint of band one-way function of the present utility model is permissible during liquid
Allow medical personnel are relieved must carry out transfusion operation according to personal habits, do not have joint blow-by and will not the showing of bullet
As.
Accompanying drawing explanation
Fig. 1 a is the structural representation of the needleless medicine-feeding joint of band one-way function of the present utility model；
Fig. 1 b is that the A-A of Fig. 1 a is to sectional view；
Fig. 1 c is the partial enlarged drawing of the part B of Fig. 1 a；
Fig. 2 a is the three-dimensional structure diagram of Rule male joint；
Fig. 2 b is the front view of Rule male joint；
Fig. 2 c is that the C-C of Fig. 2 b is to sectional view；
The three-dimensional structure diagram of Fig. 3 a connector for joint；
Fig. 3 b is the front view of connector for joint；
Fig. 3 c is that the D-D of Fig. 3 b is to sectional view.
Detailed description of the invention
In order to make those skilled in the art be better understood when the technical solution of the utility model, below in conjunction with
Its detailed description of the invention is described in detail by accompanying drawing:
Refer to Fig. 1 a to Fig. 1 c, most preferred embodiment of the present utility model, the Needleless dosing of a kind of band one-way function
Joint, including Rule male joint 1, connector for joint 2, Rule female joint 3, plug 4 and check valve diaphragm 5.
Refer to Fig. 2 a to Fig. 2 c, in the lower ending opening of Rule male joint 1, be provided with a support column 11 and some convex
Platform 12, some boss 12 are arranged around the internal face of the lower ending opening of Rule male joint 1, and support column 11 is in three
Dihedral, and support column 11 is positioned at the middle part of lower ending opening of Rule male joint 1, the lower end of support column 11 extends in
The outside of Rule male joint 1.
Referring to Fig. 3 a to Fig. 3 c, the inside of connector for joint 2 offers the passage 21 of a up/down perforation, joint
Being provided with a flange 22 and some ribs 23 in the upper end open of connector 2, some ribs 23 are distributed on joint even
The internal face of the upper end open of fitting 2, ringwise, the internal diameter of flange 22 is more than the internal diameter of passage 21 to flange 22,
And flange 22 is positioned at the lower section of rib 23.
Referring to Fig. 1 a to Fig. 1 c again, Rule male joint 1 is connected with Rule female joint 3 by connector for joint 2,
The upper end open of connector for joint 2 caught by the lower ending opening card of Rule male joint 1, and the upper end of Rule female joint 3 is opened
The lower ending opening of connector for joint 2 caught by mouth card；Check valve diaphragm 5 is arranged on Rule male joint 1 and is connected with joint
Between part 2, and the upper surface of the flange 22 on the lower surface of check valve diaphragm 5 and connector for joint 2 is arranged,
The upper surface of check valve diaphragm 5 contacts setting, check valve diaphragm with the bottom of the support column 11 in Rule male joint 1
5 by support column 11 jack-up.Plug 4 is placed in the interior intracavity of Rule female joint 3, and its upper end is socketed in joint and connects
In the lower ending opening of part 2, in plug 4, offer a upper end open passage 41 and the passage 21 with connector for joint 2
Connection, the lower surface of plug 4 is formed with Rule female joint 3 and seals structure.
The top of Rule male joint 1 is spigot joint 13.Rule male joint 1 has internal coiling interface 14.
Rule male joint 1, connector for joint 2 and Rule female joint 3 are made by makrolon material.Plug 4
It is made up of silica gel material.
The needleless medicine-feeding joint of band one-way function of the present utility model, in use, the upper surface of check valve diaphragm 5
By support column 11 jack-up, by the upper surface of the lower surface of check valve diaphragm 5 with the flange 22 on connector for joint 2
Fitting, separated in upper and lower two spaces, check valve diaphragm 5 material is the softest, enters in Rule female joint 3 direction
Liquid contact with check valve diaphragm 5, under gravity (or pressure) acts on, check valve diaphragm 5 deforms, single
Departing from flange 22 to valve film 5 lower surface, check valve diaphragm 5 surrounding is sunk, the boss within Rule male joint 1
12 can stop check valve diaphragm 5 excessive deformation, and liquid flows into Rule male joint 1 direction by check valve diaphragm 5,
Connector for joint 2 rib 23 above can ensure that liquid flows smoothly；After liquid stops flowing, check valve
Diaphragm 5 restores to the original state under the effect of its own resilient, fits together with the flange 22 crossed on connector for joint 2,
Recover to seal；If there is pressure in direction, check valve diaphragm 5 can more be pressed close to and connect under buffer brake effect
Flange 22 on head connector 2, without revealing.
In sum, the needleless medicine-feeding joint of band one-way function of the present utility model, it is possible to making transfusion operation is can only
Carry out from external to internal, it is ensured that infusion process does not haves blood back phenomenon, medical personnel can be allowed relieved
Carry out transfusion operation according to personal habits, do not have joint blow-by and will not the phenomenon of bullet.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to this practicality is described
Novel, and it is not used as to restriction of the present utility model, as long as in spirit of the present utility model,
Change, the modification of embodiment described above all will be fallen in Claims scope of the present utility model.
Claims (6)
1. the needleless medicine-feeding joint of a band one-way function, it is characterised in that include that Rule male joint, joint connect
Part, Rule female joint, plug and check valve diaphragm, wherein:
A support column and some boss, described some boss cinctures it are provided with in the lower ending opening of described Rule male joint
The internal face of the lower ending opening of described Rule male joint is arranged, and described support column is del, and described support column
It is positioned at the middle part of the lower ending opening of described Rule male joint；
The inside of described connector for joint offers the passage of a up/down perforation, the upper end open of described connector for joint
Inside being provided with a flange and some ribs, described some ribs are distributed on the interior of the upper end open of described connector for joint
Wall, ringwise, and described flange is positioned at the lower section of described rib to described flange；
The male joint of described Rule is connected with the female joint of described Rule by described connector for joint, the male joint of described Rule
Lower ending opening clamping residence state the upper end open of connector for joint, the upper end open card of described Rule female joint is caught
The lower ending opening of described connector for joint；
Described check valve diaphragm is arranged between the male joint of described Rule and described connector for joint, and described check valve
The upper surface of the flange on the lower surface of diaphragm and described connector for joint is arranged, described check valve diaphragm upper
Surface contacts setting with the bottom of the support column in the male joint of described Rule；
Described plug is placed in the interior intracavity of described Rule female joint, and its upper end is socketed under described connector for joint
In end opening, in described plug, offer a upper end open passage and the channel connection with described connector for joint, described
The lower surface of plug is formed with the female joint of described Rule and seals structure.
The needleless medicine-feeding joint of a kind of band one-way function the most according to claim 1, it is characterised in that described
The top of Rule male joint is spigot joint.
The needleless medicine-feeding joint of a kind of band one-way function the most according to claim 1, it is characterised in that described
Rule male joint has internal coiling interface.
4. according to the needleless medicine-feeding joint of a kind of band one-way function described in any one of claims 1 to 3, its feature
Being, the male joint of described Rule, connector for joint and Rule female joint are made by makrolon material.
5. according to the needleless medicine-feeding joint of a kind of band one-way function described in any one of claims 1 to 3, its feature
Being, described plug is made up of silica gel material.
The needleless medicine-feeding joint of a kind of band one-way function the most according to claim 1, it is characterised in that described
The lower end of support column extends in the outside of described Rule male joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132052.9U CN205586297U (en) | 2016-02-22 | 2016-02-22 | Needleless of taking one -way function adds medicine joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132052.9U CN205586297U (en) | 2016-02-22 | 2016-02-22 | Needleless of taking one -way function adds medicine joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205586297U true CN205586297U (en) | 2016-09-21 |
Family
ID=56928004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620132052.9U Active CN205586297U (en) | 2016-02-22 | 2016-02-22 | Needleless of taking one -way function adds medicine joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205586297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498025A (en) * | 2016-02-22 | 2016-04-20 | 上海康德莱医疗器械股份有限公司 | Needle-free dosing joint with one-way function |
| CN107875015A (en) * | 2017-11-08 | 2018-04-06 | 崇州君健塑胶有限公司 | Infusion bag fitting and infusion device |
-
2016
- 2016-02-22 CN CN201620132052.9U patent/CN205586297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498025A (en) * | 2016-02-22 | 2016-04-20 | 上海康德莱医疗器械股份有限公司 | Needle-free dosing joint with one-way function |
| CN107875015A (en) * | 2017-11-08 | 2018-04-06 | 崇州君健塑胶有限公司 | Infusion bag fitting and infusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201800 Building 2, 925 Jinyuan 1st Road, Jiading District, Shanghai Patentee after: Shanghai Yingtai Medical Equipment Co.,Ltd. Country or region after: China Address before: 201812 Jinyuan Road No. 925, Jiading District, Shanghai City, 2 Patentee before: SHANGHAI KINDLY MEDICAL INSTRUMENTS Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |