CN206138492U - Needleless adds medicine and connects - Google Patents
Needleless adds medicine and connects Download PDFInfo
- Publication number
- CN206138492U CN206138492U CN201620668902.7U CN201620668902U CN206138492U CN 206138492 U CN206138492 U CN 206138492U CN 201620668902 U CN201620668902 U CN 201620668902U CN 206138492 U CN206138492 U CN 206138492U
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- CN
- China
- Prior art keywords
- central canal
- card cap
- housing
- female luer
- needleless
- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a needleless adds medicine and connects, including the casing, the casing has entry end and exit end, and the entry end of casing is equipped with female luer connector, and the exit end of casing is equipped with public luer connector, public luer connector includes center tube and internal thread card cap, and internal thread card cap rotationally sets up on the center tube, and the lateral surface of center tube is equipped with and is used for not keeping the limit structure on the center tube with internal thread card cap anti -drop ground. The utility model discloses a needleless adds medicine and connects is convenient for realize infuse being connected and the dismantlement of consumptive material with outside medical treatment, and application scope is wide, uses in a flexible way.
Description
Technical field
This utility model is related to medical apparatus and instruments, more particularly to a kind of needleless medicine-feeding joint.
Background technology
Existing needleless medicine-feeding joint includes housing and flexible member.Housing has arrival end, the port of export and chamber；Elasticity
Element is arranged on the within the chamber of housing, for opening or closing the arrival end of housing.The housing of existing needleless medicine-feeding joint only exists
Arrival end is provided with female Luer connector, and in the port of export of housing any jointing is not provided with.Therefore, in actual application,
The port of export of needleless medicine-feeding joint can only be connected with non-removable connected mode with relevant medical transfusion apparatus, and this is usually to doctor
The operation of shield personnel is made troubles.For example, it is desired to during multiple Needleless dosing functions, the Needleless dosing number of existing transfusion instrument is not
Situations such as meeting demand, so as to bring inconvenience to transfusion operation.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of facilitating implementation and external medical transfusion instrument
Connection and dismounting, needleless medicine-feeding joint applied widely.
The technical scheme that this utility model is adopted is：A kind of needleless medicine-feeding joint, including housing, housing has arrival end
And the port of export, the arrival end of housing is provided with female Luer connector, and the port of export of housing is provided with public female Luer；Public female Luer includes
Central canal and female thread card cap, female thread card cap is rotatably arranged on central canal, and the lateral surface of central canal is provided with for inciting somebody to action
The landing of female thread card cap anticreep is maintained at the position limiting structure on central canal.
This utility model at least has the advantages that：
1st, needleless medicine-feeding joint of the present utility model is equipped with female Luer in arrival end and the port of export, therefore, needleless adds
The arrival end and the port of export of medicine joint easily can be realized being connected and dismantling with external medical transfusion instrument, facilitate medical care people
The operation of member, also causes the scope of application of the needleless medicine-feeding joint more extensive；
2nd, the female thread card cap of the public female Luer of the needleless medicine-feeding joint port of export is rotatably arranged on central canal,
When the female Luer connector of the public female Luer and external medical transfusion consumptive material to be connected locking and dismantle unblock, only this need to be rotated
Female thread card cap, and without the need for the medical transfusion consumptive material outside rotation, so as to facilitate the operation of medical personnel.
Description of the drawings
Fig. 1 is the schematic perspective view of the needleless medicine-feeding joint according to the embodiment of this utility model one.
Fig. 2 is the schematic front view of the needleless medicine-feeding joint according to the embodiment of this utility model one.
Fig. 3 is the cross-sectional schematic in the A-A directions of Fig. 2, wherein, the annular table of the roof of female thread card cap against central canal
Rank.
Fig. 4 is the cross-sectional schematic of the needleless medicine-feeding joint according to the embodiment of this utility model one, wherein female thread card cap
Roof against central canal annular wall.
Specific embodiment
This utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to Fig. 4.Housing 1 and flexible member are included according to the needleless medicine-feeding joint of the embodiment of this utility model one
2.Housing 1 has arrival end and the port of export, and the arrival end of housing 1 is provided with female Luer connector 3, can be with external medical transfusion instrument
Public female Luer be connected；The port of export of housing 1 is provided with public female Luer 4, can connect with the female Luer of external medical transfusion instrument
Head is connected.
Public female Luer 4 includes central canal 41 and female thread card cap 42, and female thread card cap 42 is rotatably arranged in center
On pipe 41, the lateral surface of central canal 41 is provided with the spacing knot for being maintained at the landing of the anticreep of female thread card cap 42 on central canal 41
Structure.
In the present embodiment, housing 1 includes hollow enclosure body 11, one end and the female Luer connector 3 of enclosure body 11
It is tightly connected, the other end of enclosure body 11 is tightly connected with public female Luer 4, and the mode of connection includes but is not limited to ultrasound wave
The modes such as heat seal, bonding.Central canal 41 includes central canal main body 411 and is located on the ring of the top periphery of central canal main body 411
Shape wall 412, annular wall 412 is tightly connected with the other end of enclosure body 11, and surrounds a chamber 10 jointly with enclosure body 11.
Female thread card cap 42 includes roof 421 and peripheral side wall 422, and roof 421 has central through hole 423, and central canal main body 411 is worn
Cross the central through hole 423 of roof 421.One end of peripheral side wall 422 is connected with roof 421, and in axial direction to away from annular
The direction of wall 412 extends, and the inner surface of peripheral side wall 422 is provided with female thread.Above-mentioned position limiting structure is centrally disposed pipe master
Ring-shaped step 413 on the lateral surface of body 411, ring-shaped step 413 can be formed with the roof 421 of female thread card cap interferes, and prevents
Female thread card cap 42 comes off from central canal 41, and the roof 421 of female thread card cap 42 can be in annular wall 412 and ring-shaped step 413
Between move.
In the female Luer connector of consumptive material that the public female Luer of this utility model needleless medicine-feeding joint and external medical are infused
When connection is locked and dismantles unblock, the female thread card cap need to be only rotated, and without the need for the medical transfusion consumptive material outside rotation, so as to side
Medical personnel operation.
Flexible member 2 is arranged in the chamber 10 of housing.The flexible member 2 can be by non-metal elastomers material manufacture.It is excellent
Selection of land, the material of flexible member 2 is silica gel, thermoplastic elastomer (TPE) (TPE) or rubber.Flexible member 2 is including plunger portion 21 and again
Position portion 22.The bottom of plunger portion 21 is connected with reset portion 22, and the bottom of reset portion 22 is connected to the diapire of chamber 10.Plunger portion 21
Can move between the first location and the second location.When plunger portion 21 is in first position, as shown in figure 3, plunger portion 21 is closed
Close and seal female Luer connector 3；Infused by the outside injecting liquid drug such as syringe in the top surface of plunger portion 21 Rule of consumptive material
When joint is pushed, plunger portion 21 can be moved down into the second position, and now the liquid from the inflow of female Luer connector 3 is through housing
Chamber 10 flows into public female Luer 4.After external female Luer is screwed out, plunger portion 21 can be returned to first by reset portion 22
Put, be again closing and sealing off female Luer connector 3, flexible member 2 restores to the original state.Flexible member 2 shown in figure is only
Example, the application is simultaneously unrestricted to the shape and structure of flexible member 2, as long as the normal function of needleless medicine-feeding joint can be realized
All may be used.
To meet the demand for conveying multiple-medicinal-liquid simultaneously, in the present embodiment, housing 1 includes being arranged on the side of enclosure body 11
The arm 13 in face, one end of arm 13 connects with enclosure body 11, and the other end of arm 13 is provided with female Luer.Preferably, prop up
The female Luer that the other end of pipe 13 is arranged is female Luer connector.An arm is illustrate only in figure, wanting also dependent on transfusion
Ask and multiple arms are set in the side of enclosure body 11.
Needleless medicine-feeding joint of the present utility model is equipped with female Luer in arrival end and the port of export, therefore, Needleless dosing
The arrival end and the port of export of joint easily can be realized being connected and dismantling with external medical transfusion instrument, facilitate medical personnel
Operation, also cause the needleless medicine-feeding joint the scope of application it is more extensive.
The description of the present embodiment combines specific embodiment, but it should be understood by one skilled in the art that this reality
Embodiment described here is not limited to new, it is possible to carry out various modifications and variations without departing from essence of the present utility model
God and scope.
Claims (4)
1. a kind of needleless medicine-feeding joint, including housing, the arrival end that the housing has arrival end and the port of export, the housing sets
There is female Luer connector, it is characterised in that the port of export of the housing is provided with public female Luer；The public female Luer includes center
Pipe and female thread card cap, the female thread card cap is rotatably arranged on the central canal, and the lateral surface of the central canal sets
There is the position limiting structure for being maintained at female thread card cap anticreep landing on the central canal.
2. needleless medicine-feeding joint as claimed in claim 1, it is characterised in that the housing includes hollow enclosure body, institute
The one end and the female Luer connector for stating enclosure body is tightly connected, the other end of the enclosure body and the public female Luer
It is tightly connected.
3. needleless medicine-feeding joint as claimed in claim 2, it is characterised in that the central canal includes central canal main body and ring
Located at the annular wall of central canal main body top periphery, the annular wall is tightly connected with the other end of the enclosure body,
And a chamber is surrounded jointly with the enclosure body；
The female thread card cap includes roof and peripheral side wall, and the roof has central through hole, and the central canal main body is worn
Cross the central through hole of the roof；One end of the peripheral side wall is connected with the roof, and in axial direction to away from
The direction of the annular wall extends, and the inner surface of the peripheral side wall is provided with female thread；
The position limiting structure is the ring-shaped step being arranged on the lateral surface of the central canal main body, the top of the female thread card cap
Wall can be moved between the annular wall and the ring-shaped step.
4. needleless medicine-feeding joint as claimed in claim 3, it is characterised in that the housing includes being arranged on enclosure body side
Arm, one end of the arm connects with the enclosure body；The other end of the arm is provided with female Luer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668902.7U CN206138492U (en) | 2016-06-29 | 2016-06-29 | Needleless adds medicine and connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668902.7U CN206138492U (en) | 2016-06-29 | 2016-06-29 | Needleless adds medicine and connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206138492U true CN206138492U (en) | 2017-05-03 |
Family
ID=58616470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620668902.7U Active CN206138492U (en) | 2016-06-29 | 2016-06-29 | Needleless adds medicine and connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206138492U (en) |
-
2016
- 2016-06-29 CN CN201620668902.7U patent/CN206138492U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |