CN213251246U

CN213251246U - Negative pressure sterile bag integrated needle tube

Info

Publication number: CN213251246U
Application number: CN202020906923.4U
Authority: CN
Inventors: 岳娟; 马婕; 刘敏; 张丹娜; 高敏; 张琼; 毕星; 段蕊蕊
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-05-25
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a no aseptic bag of negative pressure integration needle tubing, the needle tubing includes pipe shaft and piston rod, the inside cavity of pipe shaft just the inside sliding connection of pipe shaft has the piston rod, the one end intercommunication of pipe shaft has a tee bend sleeve connector, the one end of tee bend sleeve connector is connected to the needle point, the other end of tee bend sleeve connector communicates the negative pressure bag, the top intercommunication of negative pressure bag has the inlet, be equipped with the feed liquor valve on the inlet, the tip of tee bend sleeve connector is inserted in the inlet just tee bend sleeve connector with inlet interference fit, the bottom intercommunication of negative pressure bag has the liquid outlet just liquid outlet department intercommunication has the liquid valve. The utility model discloses need not recycle needle tubing extraction solution, avoid causing the pollution to aseptic liquid, also reduced the stopper that punctures many times and liquid bag stopper and cause and drop, stopper tiny particle falls into aseptic liquid the inside, has reduced the pollution risk of aseptic liquid.

Description

Negative pressure sterile bag integrated needle tube

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a no aseptic bag of negative pressure integration needle tubing.

Background

The common syringe has incomplete model and specification, the sterile solution is repeatedly inserted into the liquid bag for multiple times during each extraction, the pollution is caused, the liquid port is repeatedly pricked, and small particles are easily carried into the sterile liquid. The working efficiency of medical staff is reduced by repeatedly pumping medicine preparation and dosing each time. Medical staff adds the medicine for a long time, and the adverse events of grinding and needle stick injury to fingers caused by extracting the liquid medicine increase clinical risks.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a sterile bag integration needle tubing of negative pressure has solved ordinary syringe model and specification and is not comprehensive, extracts sterile solution at every turn and need relapse a lot of and insert the liquid bag, causes the pollution, pricks the liquid mouth repeatedly, easily does not have the problem of taking into in the sterile liquid with the tiny particle.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a no aseptic bag of negative pressure integration needle tubing, includes negative pressure bag, needle tubing, inlet and liquid outlet, the needle tubing includes pipe shaft and piston rod, the inside cavity of pipe shaft just the inside sliding connection of pipe shaft has the piston rod, the one end intercommunication of pipe shaft has a tee bend sleeve connector, the one end of tee bend sleeve connector is connected to the needle point, the other end of tee bend sleeve connector communicates the negative pressure bag, the top intercommunication of negative pressure bag has the inlet, be equipped with the feed liquor valve on the inlet, the tip of tee bend sleeve connector is inserted in the inlet just tee bend sleeve connector with inlet interference fit, the bottom intercommunication of negative pressure bag has the liquid outlet just the intercommunication of liquid outlet department has the liquid outlet valve.

Preferably, the needle point is sleeved with a dust-proof sleeve, the end part of the dust-proof sleeve is buckled on the surface of the tee sleeve connector, and a bulge is arranged on the surface of the tee sleeve connector along the circumferential direction of the tee sleeve connector.

Preferably, the tip cover of piston rod is equipped with the rubber buffer just the edge of rubber buffer with the inside of pipe shaft pastes mutually, the other end of piston rod is equipped with the handle, pulls the handle and makes the piston rod slide in pipe shaft is inside.

Preferably, the negative pressure bag and the needle tube are both made of sterile PVC materials, and the surfaces of the negative pressure bag and the needle tube are coated with antibacterial coatings.

Preferably, the volume specification of the negative pressure bag is one of 30 ml, 50 ml, 100 ml, 150 ml and 250 ml.

(III) advantageous effects

The utility model provides a no aseptic bag integration needle tubing of negative pressure possesses following beneficial effect: the utility model is provided with a needle tube, a three-way sleeve connector and a negative pressure bag, wherein the needle tube is a common injector for extracting or injecting liquid medicine, the inside of the tube body of the needle tube is connected with a piston rod in a sliding way, the liquid medicine can be extracted by pulling the piston rod, the end part of the tube body is communicated with the three-way sleeve connector, the two ends of the three-way sleeve connector are respectively communicated with a needle point and the negative pressure bag, when the sterile solution is extracted, the needle tip is inserted into the solution bag, then the liquid inlet valve on the liquid inlet is opened, then utilize the negative pressure nature of negative pressure bag to absorb sterile solution in the solution bag, can directly adjust the volume specification of negative pressure bag like this according to the infusion demand, need not utilize the needle tubing extraction solution repeatedly, avoid causing the pollution to sterile liquid, also reduced the stopper that many times puncture liquid bag stopper caused and fallen into aseptic liquid the inside, reduced the pollution risk of sterile liquid. Time and labor are saved for medical staff, and the work can be efficiently completed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: 1. a needle tube; 2. a tube body; 3. a needle tip; 4. a three-way sleeve connector; 5. a dust-proof sleeve; 6. a projection; 7. a liquid inlet; 8. a liquid inlet valve; 9. a negative pressure bag; 10. a liquid outlet; 11. a liquid outlet valve; 12. a rubber plug; 13. a handle; 14. a piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the following examples are proposed:

a negative pressure sterile bag integrated needle tube, which comprises a negative pressure bag 9, a needle tube 1, a liquid inlet 7 and a liquid outlet 10, the needle tube 1 comprises a tube body 2 and a piston rod 14, the interior of the tube body 2 is hollow, the piston rod 14 is connected to the interior of the tube body 2 in a sliding manner, one end of the tube body 2 is communicated with a tee joint sleeve connector 4, one end of the tee joint sleeve connector 4 is connected with the needle point 3, the other end of the three-way sleeve connector 4 is communicated with the negative pressure bag 9, the top of the negative pressure bag 9 is communicated with a liquid inlet 7, a liquid inlet valve 8 is arranged on the liquid inlet 7, the end part of the three-way sleeve connector 4 is inserted into the liquid inlet 7, the three-way sleeve connector 4 is in interference fit with the liquid inlet 7, the bottom of the negative pressure bag 9 is communicated with a liquid outlet 10, and the liquid outlet 10 is communicated with a liquid outlet valve 11.

In this embodiment, the needle tip 3 is sleeved with a dust-proof sleeve 5, and an end of the dust-proof sleeve 5 is snapped on a surface of the three-way sleeve connector 4, and a protrusion 6 is provided on the surface of the three-way sleeve connector 4 along a circumferential direction thereof. The dust-proof sleeve 5 is buckled on the convex part 6 by utilizing the ductility of the dust-proof sleeve, so that the dust-proof sleeve cannot be separated under the action of non-external force, and the needle tip 3 is prevented from being polluted.

In this embodiment, the end cover of piston rod 14 is equipped with rubber buffer 12 and the edge of rubber buffer 12 with the inside of shaft 2 is pasted mutually, the other end of piston rod 14 is equipped with handle 13, pulls handle 13 and makes piston rod 14 slide in shaft 2 is inside. The needle tube 1 of the utility model is a common injector for extracting or injecting liquid medicine.

In this embodiment, the negative pressure bag 9 and the needle tube 1 are both made of sterile PVC material, and the surfaces of the negative pressure bag 9 and the needle tube 1 are coated with antibacterial coatings. The negative pressure bag 9 and the needle tube 1 are prevented from being polluted by external bacteria.

In this embodiment, the volume specification and model of the negative pressure bag 9 is one of 30 ml, 50 ml, 100 ml, 150 ml and 250 ml, and the specification and model are various, and the volume of the negative pressure bag can be adjusted as required.

In fig. 1-2, the utility model is provided with a needle tube 1, a three-way sleeve connector 4 and a negative pressure bag 9, the needle tube 1 is a common injector for extracting or injecting liquid medicine, the inside of the tube body 2 of the needle tube 1 is connected with a piston rod 14 in a sliding way, the liquid medicine can be extracted by pulling the piston rod 14, the end part of the tube body 2 is communicated with the three-way sleeve connector 4, the two ends of the three-way sleeve connector 4 are respectively communicated with a needle point 3 and the negative pressure bag 9, when extracting the sterile solution, the needle point 3 is inserted into the solution bag, then a liquid inlet valve 8 on a liquid inlet 7 is opened, then the sterile solution in the solution bag is absorbed by utilizing the negative pressure of the negative pressure bag 9, thus the volume specification of the negative pressure bag 9 can be directly adjusted according to the transfusion requirement, the needle tube 1 is not required to be repeatedly utilized for extracting the solution, the pollution to, the small particles of the plug fall into the sterile liquid, so that the pollution risk of the sterile liquid is reduced. Time and labor are saved for medical staff, and the work can be efficiently completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a no aseptic bag of negative pressure integration needle tubing which characterized in that: including negative pressure bag, needle tubing, inlet and liquid outlet, the needle tubing includes pipe shaft and piston rod, the inside cavity of pipe shaft just the inside sliding connection of pipe shaft has the piston rod, the one end intercommunication of pipe shaft has a tee bend connector, the one end of tee bend connector is connected to the needle point, the other end of tee bend connector communicates the negative pressure bag, the top intercommunication of negative pressure bag has the inlet, be equipped with the feed liquor valve on the inlet, the tip of tee bend connector insert in the inlet just tee bend connector with inlet interference fit, the bottom intercommunication of negative pressure bag has the liquid outlet just the intercommunication of liquid outlet department has the liquid valve.

2. The negative pressure sterile bag integrated needle tube as claimed in claim 1, wherein: the needle point is sleeved with a dustproof sleeve, the end part of the dustproof sleeve is buckled on the surface of the three-way sleeve connector in a buckling mode, and a protruding part is arranged on the surface of the three-way sleeve connector in the circumferential direction of the three-way sleeve connector.

3. The negative pressure sterile bag integrated needle tube as claimed in claim 1, wherein: the tip cover of piston rod is equipped with the rubber buffer just the edge of rubber buffer with the inside of pipe shaft pastes mutually, the other end of piston rod is equipped with the handle, and the pulling handle makes the piston rod slide in pipe shaft is inside.

4. The negative pressure sterile bag integrated needle tube as claimed in claim 1, wherein: the negative pressure bag and the needle tube are both made of sterile PVC materials, and the surfaces of the negative pressure bag and the needle tube are coated with antibacterial coatings.

5. The negative pressure sterile bag integrated needle tube as claimed in claim 1, wherein: the volume specification model of the negative pressure bag is one of 30 ml, 50 ml, 100 ml, 150 ml and 250 ml.