CN215351218U - Y-shaped positive-pressure needle-free infusion joint - Google Patents
Y-shaped positive-pressure needle-free infusion joint Download PDFInfo
- Publication number
- CN215351218U CN215351218U CN202121925636.9U CN202121925636U CN215351218U CN 215351218 U CN215351218 U CN 215351218U CN 202121925636 U CN202121925636 U CN 202121925636U CN 215351218 U CN215351218 U CN 215351218U
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- Prior art keywords
- connector
- upper cover
- silica gel
- joint
- gel valve
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- 238000001802 infusion Methods 0.000 title claims abstract description 70
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000741 silica gel Substances 0.000 claims abstract description 42
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 239000003814 drug Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 6
- 208000015181 infectious disease Diseases 0.000 abstract description 10
- 239000008280 blood Substances 0.000 abstract description 8
- 210000004369 blood Anatomy 0.000 abstract description 8
- 229920000669 heparin Polymers 0.000 abstract description 8
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 abstract description 5
- 229960002897 heparin Drugs 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 2
- 206010069803 Injury associated with device Diseases 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000000474 nursing effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 208000035049 Blood-Borne Infections Diseases 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical compound CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 3
- 229960001008 heparin sodium Drugs 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000001990 intravenous administration Methods 0.000 description 3
- 208000001297 phlebitis Diseases 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 208000005189 Embolism Diseases 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 206010073310 Occupational exposures Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 231100000675 occupational exposure Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a Y-shaped positive-pressure needleless infusion connector which comprises a connector upper cover, a connector lower base and an elastic silica gel valve, wherein the connector lower base is arranged at the bottom of the connector upper cover, the elastic silica gel valve is arranged on the inner wall of the connector upper cover, an external thread is arranged on one side of the top of the connector upper cover, a supporting connector is arranged on one side of the surface of the connector upper cover, and the supporting connector is provided with the external thread. According to the utility model, through the arrangement of the connector upper cover, the positive-pressure needle-free infusion connector is provided with the branch connector, so that two kinds of liquid medicines can be infused simultaneously; this malleation needleless infusion connects's silica gel valve is collapsible and resilience, and elasticity silica gel valve takes place the compression during infusion and folds and make liquid pass through, and the silica gel valve resilience after the infusion produces a malleation, plays sealed guard action, prevents the performance of blood backward flow to this malleation needleless infusion connects disinfection simple and convenient, infection rate are little, have reduced the inconvenience that the preparation heparin solution brought for medical personnel.
Description
Technical Field
The utility model relates to the technical field of needleless infusion connectors, in particular to a Y-shaped positive pressure needleless infusion connector.
Background
With the continuous expansion of intravenous infusion therapy, the risk of blood source infection caused by occupational exposure of nursing staff due to needle stick injuries is becoming more and more serious, in recent years, intravenous infusion with a venous retention needle is widely popularized, and when the intravenous infusion therapy needs to be carried out repeatedly for a long time, the venous retention needle or an indwelling catheter and a liquid medicine injection device are generally connected with each other through a connector, so that medicine adding is realized.
The reference CN212282382U discloses a positive pressure connector for needle-free infusion, comprising: the connector comprises a connector body, a cathode cap, an anode cap, a cathode end, an anode end, a movable core, a connecting connector, a sealing ring and a plug; the two ends of the joint body are respectively provided with a cathode end and an anode end, and the anode end is provided with an anode cap; the cathode end is provided with a cathode cap, and the inner side of the cathode cap is provided with a sealing ring connected with the cathode end; a movable core is arranged in the cathode end and is connected with the joint body in a sliding mode; a connecting joint is arranged in the anode end, and a plug connected with the connecting joint is arranged on the inner side of the anode cap; through the improvement to a malleation connects for needleless infusion, have rational in infrastructure, conveniently insert the infusion and connect, use safe and sanitary advantage to the effectual problem and the not enough of having solved current device. The heparin tube sealing device is needed to be used, so that one user is inconvenient to use, and the medical care personnel are inconvenient to use.
The infusion joint in the prior art has the defects that:
1. in the infusion joint in the prior art, a vein indwelling needle or an indwelling catheter is generally connected with a liquid medicine injection device through a joint so as to realize medicine adding, and the joint of a traditional latex membrane can realize medicine adding only through acupuncture, so that the risk that needle head pollutants and rubber fragments enter liquid medicine and enter a human body and medical personnel are stabbed is caused;
2. in the prior art, medical staff firstly disinfect the joint during clinical use and then connect an infusion apparatus, so that the use of the infusion apparatus is inconvenient, and the use of the infusion apparatus is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a Y-shaped positive pressure needleless infusion joint to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme that the Y-shaped positive-pressure needleless infusion connector comprises a connector upper cover, a connector lower base and an elastic silica gel valve, wherein the connector lower base is arranged at the bottom of the connector upper cover, the elastic silica gel valve is arranged on the inner wall of the connector upper cover, a threaded plug is arranged on one side of the top of the connector upper cover, a supporting connector is arranged on one side of the surface of the connector upper cover, and an external thread is arranged on the supporting connector.
Preferably, the joint lower base top is installed boss joint position, the liquid medicine flow channel is installed to one side of joint lower base inner wall, the both sides on joint lower base surface are connected with the liquid inflow mouth that communicates liquid medicine flow channel.
Preferably, the bottom of the elastic silica gel valve is provided with an annular groove, one side of the inner wall of the annular groove is inserted with a boss, and the inner wall of the elastic silica gel valve is provided with a corresponding concave connecting groove.
Preferably, a step is installed on one side of the surface of the lower base of the joint, a step surface is arranged on one side of the inner wall of the upper cover of the joint, and the step is installed on the inner wall of the step surface.
Preferably, the elastic silica gel valve is positioned in the joint upper cover and at the top of the joint lower base, and the elastic silica gel valve and the joint upper cover form a seal.
Preferably, one side of the surface of the elastic silica gel valve is provided with an inclined plane, and the inclined plane is connected with the inner wall of the joint upper cover.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the connector upper cover, the positive-pressure needle-free infusion connector is provided with the branch connector, so that two kinds of liquid medicines can be infused simultaneously; this malleation needleless infusion connects's silica gel valve is collapsible and resilience, and elasticity silica gel valve takes place the compression during infusion and folds and make liquid pass through, and the silica gel valve resilience after the infusion produces a malleation, plays sealed guard action, prevents the performance of blood backward flow to this malleation needleless infusion connects disinfection simple and convenient, infection rate are little, have reduced the inconvenience that the preparation heparin solution brought for medical personnel.
2. According to the utility model, through the arrangement of the lower base of the joint and the elastic silica gel valve, a puncture needle is not needed, accidental needle stick injuries can be effectively avoided, the possibility of spreading blood-borne diseases caused by accidental needle stick of nursing personnel is reduced, the time for flushing the tube for multiple times is saved, the workload of medical personnel is greatly reduced, and the cost is saved; based on the design of the inner cavity of the positive-pressure needle-free infusion joint and the silica gel valve, when an infusion tube or an injector is pulled down, positive pressure is generated, blood backflow is prevented from forming thrombus, the tube is sealed by saline without heparin sodium, and only normal saline is used for flushing; the incidence rate of tube blockage is reduced, the recanalization obstacle is effectively prevented, and the incidence rate of phlebitis is obviously reduced; the positive-pressure needle-free infusion joint enables the catheter to be in a sterile closed state all the time, effectively reduces the infection rate, protects the patient and overcomes the defect of needle infusion connection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a step surface structure of the present invention;
FIG. 3 is a schematic view of the structure of the joint cover of the present invention;
FIG. 4 is a schematic view of the structure of the lower base of the joint of the present invention;
FIG. 5 is a schematic view of the elastic silicone valve of the present invention;
FIG. 6 is a schematic cross-sectional view of the present invention;
FIG. 7 is a schematic view of a branch joint structure according to the present invention;
FIG. 8 is a schematic view showing the structure of a liquid medicine flow path according to the present invention;
FIG. 9 is a schematic view of a liquid flow inlet according to the present invention;
FIG. 10 is a schematic view of the annular groove configuration of the present invention;
FIG. 11 is a schematic diagram of a groove structure according to the present invention.
In the figure: 1. a joint upper cover; 2. a joint lower base; 3. an elastic silicone valve; 4. a threaded plug; 5. a branch joint; 6. the boss is clamped; 7. an air passage; 8. a liquid medicine flow passage; 9. a liquid flow inlet; 10. an annular groove; 11. a groove; 12. a step; 13. a step surface; 14. a bevel a; 15. and a slope b.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-11, the joint comprises a joint upper cover 1, a joint lower base 2 and an elastic silica gel valve 3, and is characterized in that: a joint lower base 2 is arranged on one side of the bottom of the joint upper cover 1, and an elastic silica gel valve 3 is arranged at the bottom of the inner wall of the joint upper cover 1;
the liquid performance is given to current conventional needleless infusion connects does not have the malleation, withdraw from after the infusion and add medicine syringe needle or transfusion system, the silicon rubber valve body in the infusion connects recovers deformation and can produce the negative pressure in connecting, the negative pressure makes the part liquid medicine of just inputing the human body along with patient's blood flow back to the joint inner chamber together, if handle untimely can cause the infusion pipeline embolism and easily cause the infection to produce the complication, consequently extrude the case through the transfusion system when using, the case is compressed and takes place the deformation, the liquid medicine gets into the clearance between case and the upper cover, flow into in the infusion passageway through the valve port passageway on the lower base, then carried in the human body, withdraw the transfusion system when the infusion finishes, because elastic silica gel closely cooperates with joint upper cover 1, produce a malleation, the liquid reflux condition can not appear in the product use, this needleless connector has following advantage: the puncture needle is not needed, the accidental needle stick injury can be effectively avoided, the possibility of spreading blood-borne diseases caused by the accidental needle stick of nursing personnel is reduced, the multiple tube flushing time is saved, the workload of medical personnel is reduced to a great extent, and the cost is saved; based on the design of the inner cavity of the positive-pressure needle-free infusion joint and the silica gel valve, when an infusion tube or an injector is pulled down, positive pressure is generated, blood backflow is prevented from forming thrombus, the tube is sealed by saline without heparin sodium, and only normal saline is used for flushing; the incidence rate of tube blockage is reduced, the recanalization obstacle is effectively prevented, and the incidence rate of phlebitis is obviously reduced; the positive-pressure needleless infusion joint enables the catheter to be in a sterile closed state all the time, effectively reduces the infection rate, protects the patient and overcomes the defect of needle infusion connection;
the top of the joint upper cover 1 is provided with a threaded plug 4, one side of the surface of the joint upper cover 1 is provided with a branch joint 5, and the outside of the branch joint 5 is provided with threads;
the positive-pressure needle-free infusion joint is provided with a branch joint 5, and can simultaneously carry out infusion of two kinds of liquid medicine; the silica gel valve of the positive-pressure needle-free infusion joint can be folded and rebounded, the elastic silica gel valve 3 is compressed and folded to enable liquid to pass through during infusion, the silica gel valve rebounds after infusion to generate positive pressure, the sealing protection effect is achieved, the blood backflow prevention performance is achieved, the positive-pressure needle-free infusion joint is simple and convenient to sterilize, the infection rate is low, and inconvenience brought to medical staff by heparin solution preparation is reduced;
the top of the lower joint base 2 is provided with a boss clamping position 6, the top of the lower joint base 2 is provided with an air channel 7, one side of the inner wall of the lower joint base 2 is provided with a liquid medicine flow channel 8, one side of the surface of the lower joint base 2 is connected with a liquid inflow port 9 communicated with the liquid medicine flow channel 8, the bottom of the elastic silica gel valve 3 is provided with an annular groove 10, one side of the inner wall of the annular groove 10 is inserted with the boss clamping position 6, the inner wall of the elastic silica gel valve 3 is provided with a corresponding concave groove 11, one side of the surface of the lower joint base 2 is provided with a step 12, one side of the inner wall of the upper joint cover 1 is provided with a step surface 13, the inner wall of the step surface 13 is provided with a step 12, the elastic silica gel valve 3 is positioned inside the upper joint cover 1 and positioned at the top of the lower joint base 2, the elastic silica gel valve 3 and the upper joint cover 1 form sealing, one side of the surface of the elastic silica gel valve 3 is provided with an inclined plane 14 and an inclined plane b15, and the inclined surface a14 and the inclined surface b15 are connected with the inner wall of the joint upper cover 1.
In the utility model, the working steps of the device are as follows:
the liquid performance is given to current conventional needleless infusion connects does not have the malleation, withdraw from after the infusion and add medicine syringe needle or transfusion system, the silicon rubber valve body in the infusion connects recovers deformation and can produce the negative pressure in connecting, the negative pressure makes the part liquid medicine of just inputing the human body along with patient's blood flow back to the joint inner chamber together, if handle untimely can cause the infusion pipeline embolism and easily cause the infection to produce the complication, consequently extrude the case through the transfusion system when using, the case is compressed and takes place the deformation, the liquid medicine gets into the clearance between case and the upper cover, flow into in the infusion passageway through the valve port passageway on the lower base, then carried in the human body, withdraw the transfusion system when the infusion finishes, because elastic silica gel closely cooperates with joint upper cover 1, produce a malleation, the liquid reflux condition can not appear in the product use, this needleless connector has following advantage: the puncture needle is not needed, the accidental needle stick injury can be effectively avoided, the possibility of spreading blood-borne diseases caused by the accidental needle stick of nursing personnel is reduced, the multiple tube flushing time is saved, the workload of medical personnel is reduced to a great extent, and the cost is saved; based on the design of the inner cavity of the positive-pressure needle-free infusion joint and the silica gel valve, when an infusion tube or an injector is pulled down, positive pressure is generated, blood backflow is prevented from forming thrombus, the tube is sealed by saline without heparin sodium, and only normal saline is used for flushing; the incidence rate of tube blockage is reduced, the recanalization obstacle is effectively prevented, and the incidence rate of phlebitis is obviously reduced; the positive-pressure needleless infusion joint enables the catheter to be in a sterile closed state all the time, effectively reduces the infection rate, protects the patient and overcomes the defect of needle infusion connection; the positive-pressure needle-free infusion joint is provided with a branch joint 5, and can simultaneously carry out infusion of two kinds of liquid medicine; this malleation needleless infusion connects's silica gel valve is collapsible and resilience, and elasticity silica gel valve 3 takes place the compression during infusion and folds and make liquid pass through, and the silica gel valve resilience after the infusion produces a malleation, plays sealed guard action, prevents the performance of blood backward flow to this malleation needleless infusion connects disinfection simple and convenient, infection rate are little, have reduced the inconvenience that the preparation heparin solution brought for medical personnel.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a Y shape malleation needleless infusion connects, includes joint upper cover (1), connects base (2) and elasticity silica gel valve (3) down, its characterized in that: a joint lower base (2) is arranged on one side of the bottom of the joint upper cover (1), and an elastic silica gel valve (3) is arranged at the bottom of the inner wall of the joint upper cover (1);
the connector is characterized in that a threaded plug (4) is installed at the top of the connector upper cover (1), a branch connector (5) is installed on one side of the surface of the connector upper cover (1), and threads are arranged on the outer portion of the branch connector (5).
2. The Y-shaped positive pressure needleless infusion connector of claim 1, wherein: connect under the base (2) the top install boss joint position (6), connect under the base (2) the top seted up air channel (7), connect one side of base (2) inner wall under and install liquid medicine flow channel (8), connect one side on base (2) surface under and be connected with liquid inflow entrance (9) of intercommunication liquid medicine flow channel (8).
3. The Y-shaped positive pressure needleless infusion connector of claim 1, wherein: the elastic silica gel valve is characterized in that an annular groove (10) is formed in the bottom of the elastic silica gel valve (3), a boss clamping position (6) is inserted into one side of the inner wall of the annular groove (10), and a corresponding concave connecting groove (11) is formed in the inner wall of the elastic silica gel valve (3).
4. The Y-shaped positive pressure needleless infusion connector of claim 1, wherein: step (12) are installed to one side on joint lower base (2) surface, step face (13) have been seted up to one side of joint upper cover (1) inner wall, and step (12) are installed to the inner wall of step face (13).
5. The Y-shaped positive pressure needleless infusion connector of claim 1, wherein: the elastic silica gel valve (3) is located inside the joint upper cover (1) and located at the top of the joint lower base (2), and the elastic silica gel valve (3) and the joint upper cover (1) form sealing.
6. The Y-shaped positive pressure needleless infusion connector of claim 1, wherein: one side of the surface of the elastic silica gel valve (3) is provided with an inclined plane a (14) and an inclined plane b (15), and the inclined plane a (14) and the inclined plane b (15) are connected with the inner wall of the joint upper cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121925636.9U CN215351218U (en) | 2021-08-17 | 2021-08-17 | Y-shaped positive-pressure needle-free infusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121925636.9U CN215351218U (en) | 2021-08-17 | 2021-08-17 | Y-shaped positive-pressure needle-free infusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215351218U true CN215351218U (en) | 2021-12-31 |
Family
ID=79618914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121925636.9U Active CN215351218U (en) | 2021-08-17 | 2021-08-17 | Y-shaped positive-pressure needle-free infusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215351218U (en) |
-
2021
- 2021-08-17 CN CN202121925636.9U patent/CN215351218U/en active Active
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