CN110755714A

CN110755714A - Device for sequential infusion

Info

Publication number: CN110755714A
Application number: CN201910978054.8A
Authority: CN
Inventors: 王惠宇; 姚远; 刘超英; 许隽颖; 权雯
Original assignee: Wuxi Peoples Hospital
Current assignee: Wuxi Peoples Hospital
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-02-07
Anticipated expiration: 2039-10-15
Also published as: CN110755714B

Abstract

The invention provides a sequential infusion device, which is used in the intravenous infusion occasion of medical institutions. Meanwhile, the device can simply realize the switching of the second infusion bag after the first infusion bag finishes infusion, and does not need to pull out and take over again. Can be operated by one hand of the infusion patient, has simple operation, reduces the frequency of handling and changing the medicine by medical care personnel, and lightens the workload.

Description

Device for sequential infusion

Technical Field

The invention belongs to the field of medical instruments, and relates to a sequential infusion device.

Background

The modern society has fast pace of life and great pressure, and the body resistance of many people is reduced. Air water source in cities is frequently polluted, so that various diseases are frequently caused. Each hospital, especially a large hospital, is always full of people, and the workload of medical staff is huge. Intravenous injection or infusion, short cycle, fast effect, is usually an important option for treating various diseases. According to different medical prescriptions, the infusion medicine can be related to a plurality of different medicaments, and can be configured in different injection solutions or infusion bags, so that some infusion persons need to infuse a plurality of bags at one time, and each bag infuses the infusion solution in sequence.

At present, an outpatient transfusion system is cancelled, and each large hospital is provided with an emergency transfusion room. The infusion room has large area, and can generally meet the requirement of simultaneously infusing hundreds of patients. The infusion room is provided with a value daemon and is responsible for processing the related requirements of infusion personnel. The main contents include needle insertion, dressing change, needle withdrawal and the like. The medicine changing work, namely the change of the infusion bag seems to be easy, only the replacement of the infusion tube is carried out, but the operation cannot be carried out by one hand, which means that the patient who is infusing is difficult to complete by himself, not to mention the patient who has difficulty in getting up. Even with relatives and friends, most people are afraid of the lack of relevant knowledge and are reluctant to move about. As such, nurses need to frequently shuttle through infusion rooms to handle the enormous number of dressing changes required. Thus, the workload of the personnel is increased virtually.

Disclosure of Invention

In order to solve the problem that infusion bottles need to be manually switched during infusion, the invention provides a device for sequential infusion, which comprises a four-way pipeline, a universal joint, a plastic floater and a step shaft, wherein the four-way pipeline is connected with the universal joint; the upper end and the lower end of the four-way pipeline are respectively and independently connected with a universal joint, a plastic floater is arranged in the pipeline at the upper end, the plastic floater is of an upper and lower step shaft structure of a thick shaft and a thin shaft, a through hole is arranged in the thin shaft along the diameter direction, a through long hole is arranged in the axis direction of the plastic floater, and the long hole is communicated with the through hole; the step shaft is movably arranged in the through hole, and the left end of the step shaft is a left port of the four-way pipeline; the right port of the four-way pipeline is an inclined plane diameter expanding port and is connected with a diameter expanding cavity; the diameter expanding cavity is connected with a first infusion bag through a universal joint.

As an improvement, the universal joint at the upper end is communicated with the first infusion bag, the universal joint at the lower end is communicated with one end of an upper infusion tube, and the other end of the upper infusion tube is connected to an infusion needle.

As an improvement, the diameter of a thick shaft of the plastic floater is larger than that of a thin shaft of the four-way pipeline in the vertical direction, and the thin shaft of the plastic floater is movably arranged in the four-way pipeline up and down.

As an improvement, a metal ball is arranged in the diameter-expanding cavity, the upper end of the cavity of the diameter-expanding cavity is connected with a universal joint, and the universal joint is communicated with a second infusion set.

As an improvement, the device also comprises a button, a spring, a clamping piece, a wedge-shaped clamping piece and a rubber diaphragm; the clamping piece is a cylindrical plastic clamping piece, is arranged at the left end opening of the four-way pipeline and is fixedly connected with the four-way pipeline through a rubber diaphragm; an opening clamping groove is formed in the clamping piece, a shaft is arranged in the clamping groove, a spring penetrates through the shaft, one end of the spring is in contact with the rubber diaphragm, and the other end of the spring is fixedly arranged on the button through a wedge-shaped clamping piece; wherein the wedge-shaped clamping piece has a leftward opening and is clamped and connected with the opening of the clamping groove in a direction matched with the direction of the notch of the opening clamping groove.

As a refinement, the metal ball is arranged in contact with the stepped shaft.

Has the advantages that: the device for sequential infusion is used for intravenous infusion occasions of medical institutions, the main body of the device is made of sanitary-grade plastics, the device is safe and healthy, meanwhile, the main components of the device are a four-way pipeline, a valve-like element arranged inside the four-way pipeline and a button assembly outside the four-way pipeline, and the device is simple in structure and easy to set. Meanwhile, the device can simply realize the switching of the second infusion bag after the first infusion bag finishes infusion, and does not need to pull out and take over again. Can be operated by one hand of the infusion patient, has simple operation, reduces the frequency of handling and changing the medicine by medical care personnel, and lightens the workload.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the sequential infusion device of the present invention.

Fig. 2 is a schematic structural view of the first infusion bag delivery of the infusion device of the present invention.

Fig. 3 is a schematic structural view of the second infusion bag delivery of the infusion device of the present invention.

In the drawings: 1. a four-way pipeline; 2. a plastic float; 3. a button; 4. a step shaft; 5. a metal ball; 6. a spring; 7. a fastener; 8. a wedge-shaped fastener; 9. a rubber diaphragm; 10. a universal joint; 11. a first infusion bag; 12. a second infusion set; 13. an upper infusion tube; 14. a diameter expanding cavity; 15. a through hole; 16. and a long hole.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

A device for sequential infusion comprises a four-way pipeline 1, a universal joint 10, a plastic floater 2 and a step shaft 4; the upper end and the lower end of the four-way pipeline 1 are respectively and independently connected with a universal joint 10, a plastic floater 2 is arranged in the upper end pipeline, the plastic floater 2 is of an upper and lower step shaft structure of a thick shaft and a thin shaft, a through hole 15 is arranged in the thin shaft along the diameter direction, a through long hole 16 is arranged in the axis direction of the plastic floater 2, and the long hole 16 is communicated with the through hole 15; the step shaft 4 is movably arranged in the through hole 15, and the left end of the step shaft is the left port of the four-way pipeline 1; the right port of the four-way pipeline 1 is an inclined plane diameter expanding port and is connected with a diameter expanding cavity 14; the expansion chamber 14 is connected to the first infusion bag 11 via a universal connector 10.

Wherein the universal joint 10 at the upper end is communicated with the first infusion bag 11, the universal joint 10 at the lower end is communicated with one end of an upper infusion tube 13, and the other end of the upper infusion tube 13 is connected to an infusion needle.

The diameter of a thick shaft of the plastic floater 2 is larger than that of a thin shaft of the plastic floater 2 in the vertical direction of the four-way pipeline 1, and the thin shaft of the plastic floater 2 is movably arranged in the four-way pipeline 1 up and down.

A metal ball 5 is arranged in the cavity of the diameter expanding cavity 14, the upper end of the cavity of the diameter expanding cavity 14 is connected with a universal joint 10, and the universal joint 10 is communicated with a second infusion apparatus 12.

The device also comprises a button 3, a spring 6, a clamping piece 7, a wedge-shaped clamping piece 8 and a rubber diaphragm 9; the clamping piece 7 is a cylindrical plastic clamping piece, is arranged at the left end opening of the four-way pipeline 1 and is fixedly connected with the four-way pipeline 1 through a rubber diaphragm 9; an opening clamping groove is formed in the clamping piece 7, a shaft is arranged in the clamping groove, a spring 6 penetrates through the shaft, one end of the spring 6 is in contact with the rubber diaphragm 9, and the other end of the spring is fixedly arranged on the button 3 through a wedge-shaped clamping piece 8; wherein the wedge-shaped clamping piece 8 has a leftward opening and is clamped and connected with the opening of the clamping groove in a direction matched with the direction of the notch of the opening clamping groove. The metal ball 5 is disposed in contact with the stepped shaft 4.

The nurse prepares two bags of medicine according to the prescription, and the left and right connectors at the upper end of the infusion device are sequentially connected according to the infusion sequence. This ensures that the button 3 is not depressed. The sequential infusion device is best shown in the figure 2 position. At this time, the liquid in the first infusion bag 11 flows into the four-way pipe 1 along the hole 16 of the plastic floater 2 and is gradually filled, so that the floater made of plastic gradually floats up. The float can rise only a certain distance due to the restriction of the stepped shaft 4 inserted into the through hole 15. Meanwhile, the liquid in the second infusion bag 12 enters the right enlarged diameter cavity 14 and pushes the metal ball to move to the left due to the large area acting on the metal ball 5, so that the inclined plane of the enlarged diameter is blocked, and the liquid in the second infusion bag 12 cannot further enter the four-way pipe 1. As shown in fig. 2.

The lower joint of the four-way pipeline 1 is connected with an infusion tube 13, a needle is pricked into the vein of the patient, and the first infusion bag 11 starts infusion. During infusion, two infusion bags are hung on the rod side by side, and the stable posture of the sequential infusion device is ensured as much as possible. At this time, since the through hole 15 of the float is not concentric with the step shaft 4, the thick shaft of the step shaft 4 cannot enter the through hole 15, and the thin shaft end cannot touch the metal ball 5, so that it is pushed open.

With the liquid in the first infusion bag 11 being completely infused, the plastic floater 2 falls down and is limited by the thick shaft at the upper end of the floater, and the through hole 15 is just concentric with the step shaft 4 due to the falling. At this time, the infusion is switched to the second infusion bag 12 to continue the infusion. The forefinger and the middle finger firmly hold the outside of the diameter expanding cavity 14, the thumb presses the button 3, the long shaft of the button 3 acts on the rubber diaphragm 9 to stretch and deform the rubber diaphragm, and the rubber diaphragm contacts the thick shaft end of the step shaft 4 at the other side, so that the thick shaft penetrates into the through hole 15 of the plastic floater 2. Due to the displacement of the step shaft 4, the metal ball 5 is pushed open, so that the liquid in the second infusion bag 12 enters the four-way tube 1 and further flows into the lower upper infusion tube 13 for infusion.

The button 3 displaces to compress a spring 6 between the button and the four-way pipeline 1, and a wedge-shaped clamping piece 8 on a shaft communicated with the button 3 pushes against a clamping piece 7 fixed on the outer side of the four-way pipeline 1. Due to the fact that the opening is opposite, when the hand is released, the button 3 can be kept in a pressing state all the time, the metal ball 5 is pushed open all the time, and normal infusion of the second infusion bag 12 is guaranteed until the end. As shown in fig. 3.

The switching of the second infusion bag can be simply realized after the first infusion bag finishes infusion, and tube drawing and tube re-connection are not needed. The infusion device can be operated by one hand of the infusion patient, is simple to operate, reduces the frequency of handling and changing the medicine by medical staff, lightens the workload and improves the working efficiency of the medical staff.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A sequential infusion device, comprising: comprises a four-way pipeline (1), a universal joint (10), a plastic floater (2) and a step shaft (4); the upper end and the lower end of the four-way pipeline (1) are respectively and independently connected with a universal joint (10), a plastic floater (2) is arranged in the upper end pipeline, the plastic floater (2) is of an upper step shaft structure and a lower step shaft structure of a thick shaft and a thin shaft, a through hole (15) is formed in the thin shaft along the diameter direction, a through long hole (16) is formed in the axis direction of the plastic floater (2), and the long hole (16) is communicated with the through hole (15); the step shaft (4) is movably arranged in the through hole (15), and the left end of the step shaft is a left port of the four-way pipeline (1); the right port of the four-way pipeline (1) is an inclined plane diameter expanding port and is connected with a diameter expanding cavity (14); the diameter expanding cavity (14) is connected with a first infusion bag (11) through a universal joint (10).

2. The sequential infusion device of claim 1, wherein: wherein the universal joint (10) at the upper end is communicated with the first infusion bag (11), the universal joint (10) at the lower end is communicated with one end of the upper infusion tube (13), and the other end of the upper infusion tube (13) is connected to the infusion needle.

3. The sequential infusion device of claim 1, wherein: the diameter of a thick shaft of the plastic floater (2) is larger than that of a thin shaft of the four-way pipeline (1) in the vertical direction, and the thin shaft of the plastic floater (2) is movably arranged in the four-way pipeline (1) up and down.

4. The sequential infusion device of claim 1, wherein: a metal ball (5) is arranged in the diameter expanding cavity (14), the upper end of the diameter expanding cavity (14) is connected with a universal joint (10), and the universal joint (10) is communicated with a second infusion apparatus (12).

5. The sequential infusion device of claim 1, wherein: the device also comprises a button (3), a spring (6), a clamping piece (7), a wedge-shaped clamping piece (8) and a rubber diaphragm (9); the clamping piece (7) is a cylindrical plastic clamping piece, is arranged at the left end opening of the four-way pipeline (1), and is fixedly connected with the four-way pipeline (1) through a rubber diaphragm (9); an opening clamping groove is formed in the clamping piece (7), a shaft is arranged in the clamping groove, a spring (6) penetrates through the shaft, one end of the spring (6) is in contact with the rubber diaphragm (9), and the other end of the spring is fixedly arranged on the button (3) through a wedge-shaped clamping piece (8); wherein the wedge-shaped clamping piece (8) has a leftward opening and is clamped and connected with the opening of the clamping groove in a direction matched with the direction of the notch of the opening clamping groove.

6. The sequential infusion device of claim 4, wherein: the metal ball (5) is in contact with the step shaft (4).