CN208694038U - A kind of connector - Google Patents
A kind of connector Download PDFInfo
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- CN208694038U CN208694038U CN201820470874.7U CN201820470874U CN208694038U CN 208694038 U CN208694038 U CN 208694038U CN 201820470874 U CN201820470874 U CN 201820470874U CN 208694038 U CN208694038 U CN 208694038U
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- drainage tube
- connecting tube
- tube
- syringe
- connector
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Abstract
The utility model relates to a kind of connector, including connecting tube, one end of the connecting tube is provided with drainage tube joint, and the drainage tube joint is used to connect the drainage tube of different tube diameters；The other end of connecting tube is provided with syringe adapter, and the internal diameter of the syringe adapter is equal to the outer diameter of syringe nipple, and syringe adapter is for connecting syringe；Seal member is provided in connecting tube or on syringe adapter, the seal member is used for closed injection device connector；This connector, it is compact-sized, it is at low cost, there is no the mutation in structure on pipeline, can not only match the drainage tube of different model and different tube diameters, but also can realize with syringe nipple and closely connect, the drawbacks of so as to effectively avoid in the prior art.
Description
Technical field
The utility model relates to technical field of medical equipment, and in particular to a kind of connector.
Background technique
Currently, the method generallyd use is: first sucking chemotherapeutics when tumor patient implements abdominal cavity perfusion chemotherapy in art
In syringe, then syringe is directly connected on peritoneal cavity drainage tube and (realizes and be connected to), chemotherapeutics is finally passed through into injection
Device and peritoneal cavity drainage tube are fed into abdominal cavity.
However, in the prior art, because clinical use it is various built in drainage tube (such as peritoneal cavity drainage tube) model multiplicity, caliber
(internal diameter) is different, and the size of syringe nipple be usually it is certain, when being irrigated or rinsing, syringe nipple with draw
Usually there is unmatched situation in the caliber of flow tube, frequently result in Leakage of Chemotherapy Drugs in filling process, not only result in drug
Waste, influence chemotherapy effect, and a degree of pollution can be caused to operating room environment, endanger the health of staff.
Utility model content
The purpose of this utility model is that improving the deficiency in the presence of the prior art, a kind of connector is provided, structure is tight
It gathers, it is at low cost, there is no the mutation in structure on pipeline, can not only match the drainage tube of different model and different tube diameters, but also can be with
It is closely connect with syringe nipple realization, the drawbacks of so as to be effectively prevented from the prior art.
The technical scheme adopted by the utility model is
A kind of connector, including connecting tube, one end of the connecting tube are provided with drainage tube joint, the drainage tube joint
For connecting the drainage tube of different tube diameters；The other end of connecting tube is provided with syringe adapter, the internal diameter of the syringe adapter
Equal to the outer diameter of syringe nipple, syringe adapter is for connecting syringe；It is provided in connecting tube or on syringe adapter close
Component is sealed, the seal member is used for closed injection device connector.
Preferably, the drainage tube joint is truncated cone-shaped structure, and the axis direction along drainage tube joint is provided with through-hole；Draw
The diameter of flow tube connector small end face is less than the internal diameter of the connecting tube, and the diameter of drainage tube joint large end face is greater than or equal to described
The outer diameter of connecting tube.
Preferably, the outer diameter of the syringe adapter is equal to or more than the outer diameter of the connecting tube.
Preferably, at the large end face of the drainage tube joint, the diameter of the through-hole is equal to the internal diameter of the connecting tube,
To the direction of small end face, the diameter of the through-hole is gradually reduced large end face along drainage tube joint.
Further, helical raised, or the axis along drainage tube joint are provided in the side wall surface of the drainage tube joint
Line direction is provided with several annular projections, helical raised and annular projection for anti-skidding and preload.
Preferably, the helical raised or annular projection have elasticity.To generate elastic deformation in connection, so that
Contact force (extruding force or frictional force) between drainage tube joint and drainage inside pipe wall is bigger, so that acquisition is more firm and close
Connection.
It further, further include connecting band, one end of the connecting band is connected in the connecting tube or the syringe
On connector, the other end is connected on the seal member, and seal member can be seal cap or conical plug or plunger.
Preferably, sealing hole is provided in the seal cap, the diameter of the sealing hole is equal to the syringe adapter
Outer diameter, sealing hole is for accommodating syringe adapter.
It further, further include loop connecting circle, the loop connecting circle is arranged in connecting tube, and can be relative to connection
Pipe is freely rotated, and the setting of connecting band is on loop connecting circle.
Preferably, annular recess is provided in the connecting tube, the annular recess is for accommodating the loop connecting circle；
Loop connecting circle can be rotated relative to annular recess, be easy to use.
Preferably, the drainage tube joint, connecting tube and syringe adapter, are fabricated using integral forming process.
It further, further include liquid stopping clamp, the liquid stopping clamp is arranged in the connecting tube, and liquid stopping clamp is for controlling connection
The on/off of pipe.
It further, further include protective cap, the protective cap is arranged on the drainage tube joint, and the protective cap is used for
Protect drainage tube joint.
Compared with prior art, it using a kind of connector provided by the utility model, has the advantages that
1, this connector, it is compact-sized, it is at low cost, it can both match the drainage tube of (connection) different model and different tube diameters
(such as peritoneal cavity drainage tube), and be provided with dedicated for connecting the syringe adapter of syringe nipple, it is being irrigated or is rinsing
When, syringe nipple may be implemented closely to connect with syringe adapter, it is possible to prevente effectively from the prior art the drawbacks of.
2, in this connector, it is provided with helical raised or annular projection on the drainage tube joint for connecting drainage tube,
So that the connection of drainage tube joint and drainage tube is stronger, relatively reliable, there is no the volume situations for leaking and falling off.
3, in this connector, at the large end face of drainage tube joint, the diameter of through-hole is equal to the internal diameter of connecting tube, along drainage
To the direction of small end face, the diameter of through-hole is gradually reduced the large end face of pipe fitting, so that the internal diameter of pipeline does not have in structure
Mutation, also occur without step, i.e., flow into drainage tube more smoothly convenient for drug, and the wave of drug can be effectively avoided
Take.
4, in this connector, the outer diameter of the diameter of drainage tube joint large end face, the outer diameter of connecting tube and syringe adapter
Can be equal, and drainage tube joint, connecting tube and syringe adapter can be manufactured using integral forming process；In connecting tube
It is provided with annular recess, loop connecting circle is provided in annular recess, thus the use for the medical staff that is more convenient for.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the connector provided in the utility model embodiment 1.
Fig. 2 is a kind of main view of the connector provided in the utility model embodiment 1.
Fig. 3 is the A-A direction view of Fig. 2.
Fig. 4 is the knot in a kind of connector provided in the utility model embodiment 1, when the side wall surface of through-hole is arc line shaped
Structure schematic diagram.
Fig. 5 is structural representation when using helical raised in a kind of connector provided in the utility model embodiment 1
Figure.
Fig. 6 is in a kind of connector provided in the utility model embodiment 1, and the outer diameter of syringe adapter is equal to connecting tube
Outer diameter when structural schematic diagram.
Fig. 7 is the structural representation after adding loop connecting circle in a kind of connector provided in the utility model embodiment 2
Figure.
Fig. 8 is in a kind of connector provided in the utility model embodiment 2, and seal member uses structure when seal cap
Schematic diagram.
Fig. 9 is in a kind of connector provided in the utility model embodiment 3, and the diameter of drainage tube joint large end face is equal to
The outer diameter of connecting tube, and be equal to syringe adapter outer diameter when structural schematic diagram.
Figure 10 is in a kind of connector provided in the utility model embodiment 3, after adding annular recess in connecting tube
Structural schematic diagram.
Figure 11 is that loop connecting circle is arranged in annular recess in a kind of connector provided in the utility model embodiment 3
Structural schematic diagram afterwards.
Figure 12 is in a kind of connector provided in the utility model embodiment 3, and seal member uses knot when seal cap
Structure schematic diagram.
Description of symbols in figure
Drainage tube joint 101, connecting tube 102, syringe adapter 103, seal member 104, connecting band 105, loop connecting
Circle 106, annular recess 107；
Through-hole 201, small end face 202, large end face 203, annular projection 204.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
Embodiment 1
As shown in Figure 1, providing a kind of connector in the present embodiment, including connecting tube 102, one end of connecting tube 102 is set
It is equipped with drainage tube joint 101, using drainage tube joint 101, can connect the drainage tube of different tube diameters；Connecting tube 102 it is another
End is provided with syringe adapter 103, and the internal diameter of syringe adapter 103 is equal to the outer diameter of syringe nipple, so as to syringe connection
When on to this connector, syringe nipple can be matched with syringe adapter 103, realize seamless connection, drug is avoided to let out
Leakage；It is provided with seal member 104 in connecting tube 102 or on syringe adapter 103, in no injection drug, utilizes sealing
Part 104 can close syringe adapter 103, can be by seal member 104 when needing to inject drug by syringe
It opens, so that syringe is all connected to syringe adapter 103, connecting tube 102 and drainage tube joint 101.
As shown in Figures 2 and 3, in the present embodiment, drainage tube joint 101 is truncated cone-shaped structure, along drainage tube joint 101
Axis direction be provided with through-hole 201, through-hole 201 is for being connected to drainage tube and connecting tube 102；In order to adapt to drawing for different tube diameters
Flow tube, the diameter of 101 large end face 203 of drainage tube joint are greater than the outer diameter of connecting tube 102,101 small end face 202 of drainage tube joint
Diameter is less than the outer diameter of connecting tube 102；When connecting drainage tube and connecting tube 102, drainage tube joint 101 is inserted into drainage tube
In port, the drainage tube of the side wall surface meeting Auto-matching different tube diameters of drainage tube joint 101, for example, working as the interior of drainage tube
When diameter is smaller, the part that drainage tube joint 101 is inserted into drainage tube is less, and drainage tube may be implemented and stablizing for connecting tube 102 connects
It connects；When the internal diameter of drainage tube is larger, the part that drainage tube joint 101 is inserted into drainage tube is more, equally may be implemented to drain
Pipe is stably connected with connecting tube 102.
Truncated cone-shaped structure is defined as: the plane for being parallel to circular cone bottom surface with one removes truncated cone, between bottom surface and section
Part be called rotary table, on rotary table the lesser end face of area be small end face, the biggish end face of area be large end face.
Since drainage tube is usually hose, have certain ductility (elasticity), therefore in the present embodiment, in truncated cone-shaped structure
Drainage tube joint 101 can have certain elasticity, can also be without elasticity；When the no elasticity of drainage tube joint 101, and will draw
When flow tube connector 101 is placed in the port of drainage tube, deformation appropriate can occur for drainage tube, so as to by drainage tube joint
101 are securely attached on drainage tube；When drainage tube joint 101 have certain elasticity, and by drainage tube joint 101 merging draw
When in the port of flow tube, deformation (deformation) appropriate can all occur for drainage tube and drainage tube joint 101, so as to by drainage tube
Connector 101 is stronger to be connected on drainage tube.
In the present embodiment, connecting tube 102 is using transparent hose, and preferably in scheme, the length of connecting tube 102 can
Think 5cm-20cm.
In the present embodiment, at the large end face 203 of drainage tube joint 101, the diameter of through-hole 201 is equal to connecting tube 102
Internal diameter, the direction of small end face 202 is arrived along the large end face 203 of drainage tube joint 101, the diameter of through-hole 201 is gradually reduced；When logical
Cross syringe to drainage tube inject drug when, the drug being injected during flowing to drainage tube from connecting tube 102, pipeline
Internal diameter is not mutated, and is also occurred without step, i.e., more smoothly flows into drainage tube convenient for drug, and medicine can be effectively avoided
(when especially there is step in pipeline, i.e. the internal diameter of pipeline becomes smaller suddenly, and some drugs can be blocked on step for the waste of object
Place, causes the waste of drug, influences the effect for the treatment of)；As shown in figure 3, in the present embodiment, the side wall surface of through-hole 201 is straight
It is linear, to realize the gradually transition of internal diameter；As shown in figure 4, the side wall surface of through-hole 201 is arc line shaped in another scheme,
Equally also it is able to achieve the gradually transition of internal diameter；It is not in the mutation in structure.
Further in scheme, helical raised is provided in the side wall surface of drainage tube joint 101, or along drainage tube joint
101 axis direction is provided with several annular projections 204, and when being attached, helical raised and annular projection 204 can be direct
It is in contact with the inner surface of drainage tube, to be more advantageous to anti-skidding and pre-tighten, it can prevent from sliding, and connection effect can be increased
Fruit.In the present embodiment, be provided that annular projection 204 in the side wall surface of drainage tube joint 101, such as Fig. 1 or Fig. 2 or Fig. 3 or
Shown in Fig. 4, raised cross section is arch；In another scheme, spiral is provided that in the side wall surface of drainage tube joint 101
Shape protrusion, as shown in Figure 5.
In the present embodiment, helical raised or annular projection 204 have elasticity；During being connect with drainage tube,
Helical raised or annular projection 204 can produce elastic deformation, so that connecing between drainage tube joint 101 and drainage inside pipe wall
Touch (extruding force or frictional force) is bigger, to obtain more firm and close connection.
In preferably scheme, the outer diameter of syringe adapter 103 can be equal to or more than the outer diameter of connecting tube 102；Connection
The internal diameter of pipe 102 can be generally greater than the internal diameter of syringe adapter 103, as shown in Fig. 1 or Fig. 2 or Fig. 3, in the present embodiment,
The outer diameter of syringe adapter 103 is greater than the outer diameter of connecting tube 102；As shown in fig. 6, in another scheme, syringe adapter 103
Outer diameter can be equal to connecting tube 102 outer diameter.
It further include connecting band 105 in further scheme, one end of connecting band 105 is connected in connecting tube 102 or infuses
On emitter connector 103, the other end is connected on seal member 104, and seal member 104 can have elasticity, and seal member 104 can
To be conical plug or plunger or seal cap；As shown in Fig. 1 or Fig. 2 or Fig. 6, in the present embodiment, what seal member 104 used
It is conical plug, for conical plug for blocking syringe adapter 103, the side wall of syringe adapter 103 is arranged in one end of connecting band 105
On, the other end is arranged on the end face of conical plug.
It further, further include liquid stopping clamp, liquid stopping clamp is arranged in connecting tube 102, and liquid stopping clamp is for controlling connecting tube 102
On/off；Liquid stopping clamp in the present embodiment can be using liquid stopping clamp commonly used in the prior art etc..
It further, further include protective cap, when not using this connector, protective cap is arranged in drainage tube joint
On 101, for protecting drainage tube joint 101 not to be damaged or polluting；When connecting drainage tube using drainage tube joint 101,
Protective cap need to only be removed；Protective cap can be using common protective cap in existing medical technology, and which is not described herein again.
Embodiment 2
The present embodiment 2 and the main distinction of above-described embodiment 1 are, further include loop connecting circle in the present embodiment
106, it as shown in fig. 7, loop connecting circle 106 is arranged in connecting tube 102, and can be freely rotated, connect relative to connecting tube 102
One end with 105 is arranged on loop connecting circle 106, and the other end is arranged on seal member 104, what seal member 104 used
It is conical plug.
In further scheme, as shown in figure 8, seal member 104 using seal cap, is provided with close in seal cap
Sealing of hole, the diameter of sealing hole are equal to the outer diameter of syringe adapter 103, and sealing hole is for accommodating syringe adapter 103；It is needing to seal
When closing (or closed, closing) syringe adapter 103, cap sleeve will be sealed on syringe adapter 103；It operates very local
Just；Further, since seal cap contact be syringe adapter 103 outer surface, the pipeline of syringe adapter 103 will not be polluted,
In the gap (when being not connected to syringe nipple) that syringe nipple and syringe adapter 103 aspirate repeatedly, seal cap is being realized
While sealing effect, the runner that can be effectively protected syringe adapter 103 is not contaminated, and is in germ-free condition.
The shape of seal member 104 can have a variety of structures, and in the present embodiment, seal member 104 is using cylinder
Shape structure, as shown in figure 8, connecting band 105 is connected on the end face of seal member 104.
Embodiment 3
The present embodiment 3 and the main distinction of above-described embodiment 1 are that in the present embodiment, drainage tube joint 101 is rotary table
Shape structure is provided with through-hole 201 along the axis direction of drainage tube joint 101, and through-hole 201 is for being connected to drainage tube and connecting tube
102；The diameter of 101 large end face 203 of drainage tube joint is equal to the outer diameter of connecting tube 102,101 small end face 202 of drainage tube joint
Diameter is less than the internal diameter of connecting tube 102, and the outer diameter of syringe adapter 103 is equal to the outer diameter of connecting tube 102, as shown in Figure 9；?
In the present embodiment, drainage tube joint 101, connecting tube 102 and syringe adapter 103 can using integral forming process manufacture and
At.
In further scheme, the length of connecting tube 102 is shorter, can both make this connector structure more step up
It gathers, volume is more compact, and can effectively minimize cost；In preferably scheme, the length of connecting tube 102 is can be with
For 2cm-5cm.
As shown in figs.10 and 11, preferably in scheme, annular recess 107, annular recess are provided in connecting tube 102
107, for accommodating loop connecting circle 106, are freely rotated loop connecting circle 106 relative to annular recess 107, are convenient for
It uses, wherein seal member 104 is using conical plug；In another scheme, seal member 104 can use seal cap,
As shown in figure 12.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of connector, which is characterized in that including connecting tube, one end of the connecting tube is provided with drainage tube joint, described
Drainage tube joint is used to connect the drainage tube of different tube diameters；The other end of connecting tube is provided with syringe adapter, the syringe
The internal diameter of connector is equal to the outer diameter of syringe nipple, and syringe adapter is for connecting syringe；In connecting tube or syringe adapter
On be provided with seal member, the seal member is used for closed injection device connector.
2. connector according to claim 1, which is characterized in that the drainage tube joint is truncated cone-shaped structure, along drainage
The axis direction of pipe fitting is provided with through-hole；The diameter of drainage tube joint small end face is less than the internal diameter of the connecting tube, drainage tube
The diameter of connector large end face is greater than or equal to the outer diameter of the connecting tube.
3. connector according to claim 2, which is characterized in that the outer diameter of the syringe adapter is equal to or more than described
The outer diameter of connecting tube.
4. connector according to claim 3, which is characterized in that described logical at the large end face of the drainage tube joint
The diameter in hole is equal to the internal diameter of the connecting tube, the large end face along drainage tube joint to the direction of small end face, the through-hole it is straight
Diameter is gradually reduced.
5. connector according to claim 4, which is characterized in that be provided with spiral in the side wall surface of the drainage tube joint
Shape protrusion, or several annular projections, helical raised and annular projection are provided with for preventing along the axis direction of drainage tube joint
Sliding and preload.
6. connector according to claim 5, which is characterized in that the helical raised or annular projection have elasticity.
7. connector according to claim 6, which is characterized in that the drainage tube joint, connecting tube and syringe connect
Head is fabricated using integral forming process.
8. -7 any connector according to claim 1, which is characterized in that it further include connecting band, the one of the connecting band
End is connected in the connecting tube or on the syringe adapter, and the other end is connected on the seal member, and seal member can
To be seal cap or conical plug or plunger, sealing hole is provided in the seal cap, the diameter of the sealing hole is equal to described
The outer diameter of syringe adapter, sealing hole is for accommodating syringe adapter.
9. connector according to claim 8, which is characterized in that further include loop connecting circle, the loop connecting circle is set
It sets in connecting tube, and can be rotated relative to connecting tube, the setting of connecting band is on loop connecting circle.
10. connector according to claim 9, which is characterized in that be provided with annular recess, the ring in the connecting tube
Shape groove is for accommodating the loop connecting circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470874.7U CN208694038U (en) | 2018-03-30 | 2018-03-30 | A kind of connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470874.7U CN208694038U (en) | 2018-03-30 | 2018-03-30 | A kind of connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208694038U true CN208694038U (en) | 2019-04-05 |
Family
ID=65933909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820470874.7U Active CN208694038U (en) | 2018-03-30 | 2018-03-30 | A kind of connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208694038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501487A (en) * | 2021-06-02 | 2021-10-15 | 深圳市奥图威尔科技有限公司 | Full-automatic alignment resetting method of fluid loading and unloading arm |
-
2018
- 2018-03-30 CN CN201820470874.7U patent/CN208694038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501487A (en) * | 2021-06-02 | 2021-10-15 | 深圳市奥图威尔科技有限公司 | Full-automatic alignment resetting method of fluid loading and unloading arm |
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