CN219764149U - Transfusion system suitable for nursing operation - Google Patents

Transfusion system suitable for nursing operation Download PDF

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Publication number
CN219764149U
CN219764149U CN202222486384.5U CN202222486384U CN219764149U CN 219764149 U CN219764149 U CN 219764149U CN 202222486384 U CN202222486384 U CN 202222486384U CN 219764149 U CN219764149 U CN 219764149U
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air
infusion
gas injection
push rod
gas
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CN202222486384.5U
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Chinese (zh)
Inventor
欧翔
刘京瑶
刘志平
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Peking University Third Hospital Peking University Third Clinical Medical College
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Peking University Third Hospital Peking University Third Clinical Medical College
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Abstract

The utility model relates to an infusion apparatus suitable for nursing operation, belongs to the technical field of medical appliances, and solves the problems that liquid medicine cannot be completely input into a patient to generate liquid medicine waste and liquid medicine is mixed when various liquid medicines are input. The utility model comprises an infusion apparatus body, an air injection device, an air injection connecting pipe and an infusion bag; the gas injection device comprises a gas injection pipe, a gas injection push rod fixer and a gas injection switch. The utility model realizes that the pressure of the infusion apparatus is maintained to be higher than the venous pressure of a patient, the liquid medicine is completely input into the patient, and the two liquid medicines are isolated, so that the two liquid medicines are prevented from being mixed, the liquid medicine is prevented from being wasted, and the treatment effect is ensured.

Description

Transfusion system suitable for nursing operation
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an infusion apparatus suitable for nursing operation.
Background
Intravenous infusion is a common treatment in clinical medical work. The infusion bag is usually filled with the liquid medicine, the infusion process is usually to hang the infusion bag on a hanging rack with a certain height, the liquid medicine is input into a human body through the gravity effect, and once the liquid medicine in the infusion bag is completely infused, the pressure in the infusion device cannot be continuously maintained, so that all the liquid medicine in an infusion pipeline cannot be ensured to be fully input into the human body, and the liquid medicine is wasted.
In addition, in clinic, patients often input a plurality of liquid medicines, and after the liquid medicines are replaced, the two liquid medicines are mixed in the infusion apparatus, so that the liquid medicine mixing can influence the drug effect, and further the treatment effect is influenced. In the prior art, the physiological saline is generally used for washing the tube and then replacing the liquid medicine, but the liquid medicine is diluted by the method to influence the drug effect and further influence the treatment effect.
Disclosure of Invention
In view of the above, the present utility model is directed to an infusion apparatus suitable for nursing operation, which is used for solving the problem that the liquid medicine cannot be completely infused into the patient to waste the liquid medicine and the problem that the liquid medicine is mixed when a plurality of liquid medicines are infused.
The aim of the utility model is mainly realized by the following technical scheme:
an infusion apparatus suitable for nursing operation comprises an infusion apparatus body, an air injection device, an air injection connecting pipe and an infusion bag; the gas injection device comprises a gas injection pipe, a gas injection push rod fixer and a gas injection switch, and is used for packaging sterile air and injecting the sterile air into the infusion apparatus to maintain the pressure in the infusion apparatus to be higher than the venous pressure of a patient.
Further, the gas injection pipe comprises a gas cylinder and a gas nozzle, and the gas nozzle is communicated with the inner cavity of the gas cylinder.
Further, an annular baffle is arranged at one end of the air cylinder, a baffle is arranged at the other end of the air cylinder, and an air tap is arranged on the baffle; the air tap is characterized in that a shaft hole is formed in the air tap circular wall, a groove is formed in the inner wall of the air tap, and the cross section of the groove is arc-shaped.
Further, the gas injection push rod comprises a push rod, a piston, a sealing ring and a push piece; at least one sealing ring is arranged on the piston.
Further, the gas injection push rod is movably connected with the gas cylinder, and the gas injection push rod can slide in the inner cavity of the gas cylinder.
Further, the air injection push rod fixer comprises a first clamping groove and a second clamping groove; the pushing piece can be clamped into the first clamping groove, and the blocking piece can be clamped into the second clamping groove.
Further, the gas injection switch comprises a ball valve, a rotating shaft and a rotating piece which are sequentially and fixedly connected, and a through hole is formed in the ball valve.
Further, the gas injection switch is arranged on the gas nozzle; the ball valve is movably connected with the groove on the inner wall of the air tap, and the ball valve can rotate in the groove.
Further, an infusion switch, an air injection interface and an air filter are arranged on the infusion apparatus body; the infusion switch is arranged below the puncture needle of the infusion apparatus body, and the air injection interface is arranged above the drip cup of the infusion apparatus body.
Further, the gas injection interface is connected with a gas injection connecting pipe; the gas injection connecting pipe is connected with the gas injection device.
The technical scheme of the utility model can at least realize one of the following effects:
(1) The infusion apparatus is mainly provided with the infusion switch and the air injection device, and the air injection device comprises an air injection pipe, an air injection push rod fixer and an air injection switch, so that the sterile air can be sealed and injected into the infusion apparatus, the pressure of the infusion apparatus is maintained to be higher than the venous pressure of a patient, the liquid medicine is further completely input into the patient, the pollution of the liquid medicine is avoided, and the treatment effect and the life safety of the patient are ensured.
(2) The utility model is also provided with the air filter, and sterile air is injected into the injector to form an air column in the pipeline, so that two liquid medicines can be isolated, the two liquid medicines are prevented from being mixed, and the treatment effect is ensured; in addition, the air column in the pipeline is discharged through the air filter, so that the life safety of a patient is ensured.
In the utility model, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the utility model, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic view of an infusion apparatus according to an embodiment of the disclosure;
FIG. 2 is a schematic diagram of an embodiment of an air injection device;
FIG. 3 is a schematic diagram of a second embodiment of an infusion set;
FIG. 4 is a schematic view of a cartridge according to an embodiment of the present utility model;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic view of a gas injection push rod according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a structure of a retainer for an air injection push rod according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of an air injection switch according to an embodiment of the utility model.
Reference numerals:
1-an infusion set body; 1 a-infusion switch; 1 b-an air injection interface; 1 c-an air filter; 2-an air injection device; 2 a-gas injection pipe; 2a 1-inflator; 2a 11-baffle; 2a 12-baffle; 2a 2-air tap; 2a 21-shaft hole; 2a 22-grooves; 2 b-an air injection push rod; 2b 1-push rod; 2b 2-piston; 2b 3-sealing ring; 2b 4-pushing piece; 2 c-a gas injection push rod fixer; 2c 1-a first clamping groove; 2c 2-a second card slot; 2 d-gas injection switch; 2d 1-ball valve; 2d 11-through holes; 2d 2-rotation axis; 2d 3-rotating plate; 3-gas injection connecting pipes; 4-transfusion bag.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
In one embodiment of the utility model, an infusion apparatus suitable for nursing operation is disclosed, as shown in fig. 1 and 2, the infusion apparatus comprises an infusion apparatus body 1, an air injection device 2, an air injection connecting pipe 3 and an infusion bag 4, wherein the air injection device 2 comprises an air injection pipe 2a, an air injection push rod 2b, an air injection push rod fixer 2c and an air injection switch 2d; the air injection device 2 can realize packaging sterile air and injecting the sterile air into the infusion apparatus, so that the pressure in the infusion apparatus is maintained to be higher than the venous pressure of a patient, and the liquid medicine is completely input into the patient.
Preferably, as shown in fig. 3, the infusion apparatus body 1 is provided with an infusion switch 1a, an air injection interface 1b and an air filter 1c, and the air filter 1c is used for exhausting the air in the infusion apparatus pipeline, so that the air is prevented from entering the patient, and the life safety of the patient is ensured.
Preferably, the infusion switch 1a is arranged below the puncture needle of the infusion apparatus body 1, and the infusion switch 1a can be rotated to open or close the passage of the infusion apparatus body 1; the infusion switch 1a can form a closed space inside the infusion apparatus body 1 after closing the passage of the infusion apparatus body 1.
Preferably, the air injection interface 1b is arranged above the drip cup of the infusion apparatus body 1, and the air injection interface 1b is connected with the air injection connecting pipe 3; the gas injection connecting pipe 3 is used for connecting the infusion apparatus body 1 and the gas injection device 2.
Preferably, as shown in fig. 4 and 5, the gas injection tube 2a includes a gas cylinder 2a1 and a gas nozzle 2a2, and an annular baffle 2a11 is disposed at the end of the gas cylinder 2a1 and forms an opening; the other end of the inflator 2a1 is provided with a baffle plate 2a12 and forms a seal.
Preferably, the air tap 2a2 is arranged on the baffle 2a12 and is communicated with the inner cavity of the air cylinder 2a 1; the circular wall of the air tap 2a2 is provided with a shaft hole 2a21, the inner wall of the air tap 2a2 is provided with a groove 2a22, and the cross section of the groove 2a22 is arc-shaped.
Preferably, as shown in fig. 6, the gas injection push rod 2b includes a push rod 2b1, a piston 2b2, a seal ring 2b3, and a push plate 2b4; the piston 2b2 and the pushing piece 2b4 are respectively arranged at two ends of the pushing rod 2b 1; at least one sealing ring 2b3 is arranged on the piston 2b 2.
Preferably, the air injection push rod 2b is movably connected with the inner wall of the air cylinder 2a1, the air injection push rod 2b can slide in the inner cavity of the air cylinder 2a1, and pushing the air injection push rod 2b can push sterile air stored in the air injection device 2 into the infusion apparatus body 1, so that the pressure in the infusion apparatus body 1 is maintained to be higher than the venous pressure of a patient under the empty state of the infusion bag, and the whole input of the liquid medicine into the patient is realized.
Preferably, as shown in fig. 7, the air injection push rod fixer 2c is provided with a first clamping groove 2c1 and a second clamping groove 2c2; the pushing piece 2b4 is clamped into the first clamping groove 2c1, the baffle piece 2a11 is clamped into the second clamping groove 2c2, and the gas injection push rod 2b can be fixed on the gas injection pipe 2a, so that the piston 2b2 is kept at a certain distance from the baffle plate 2a 12; the air injection push rod 2b and the air injection pipe 2a closing the air tap 2a2 form a closed cavity, and the cavity is used for packaging sterile air.
Preferably, the air injection push rod fixer 2c is used for fixing the air injection push rod 2b, so that the air injection push rod 2b can be prevented from freely sliding in the inner cavity of the air cylinder 2a1, and the packaged sterile air is prevented from leaking, and the using effect is prevented from being influenced.
Preferably, as shown in fig. 8, the gas injection switch 2d includes a ball valve 2d1, a rotating shaft 2d2 and a rotating plate 2d3, and the ball valve 2d1, the rotating shaft 2d2 and the rotating plate 2d3 are sequentially and fixedly connected; the ball valve 2d1 is provided with a through hole 2d11.
Preferably, the gas injection switch 2d is arranged on the gas nozzle 2a 2; the rotating shaft 2d2 is movably connected with a shaft hole 2a21 on the air tap 2a2, and the rotating shaft 2d2 can rotate in the shaft hole 2a 21; the ball valve 2d1 is movably connected with a groove 2a22 on the inner wall of the air tap 2a2, and the ball valve 2d1 can rotate in the groove 2a 22.
Preferably, the air tap 2a2 can be opened when the through hole 2d11 is coaxial with the air tap 2a2, so as to realize the communication between the air injection device 2 and the infusion apparatus body 1.
The implementation process comprises the following steps:
when the liquid medicine in the infusion bag 4 is completely infused, the infusion switch 1a is closed to form a closed space inside the infusion apparatus body 1; removing the air injection push rod fixer 2c from the air injection device 2, simultaneously opening the air injection switch 2d, communicating the air injection device 2 with the inner cavity of the infusion apparatus body 1 through the air injection connecting pipe 3, pushing the air injection push rod 2b to inject the sterile air stored in the air injection device 2 into the infusion apparatus body 1, maintaining the pressure in the infusion apparatus body 1 to be higher than the venous pressure of a patient, and realizing that the liquid medicine is completely input into the patient; in addition, the aseptic air is injected into the infusion apparatus body 1, so that the pollution of liquid medicine can be avoided, and the treatment effect and the life safety of patients are ensured.
When a patient inputs a plurality of liquid medicines, after one liquid medicine is input, the infusion switch 1a is closed to form a closed space inside the infusion apparatus body 1; removing the air injection push rod fixer 2c from the air injection device 2, simultaneously opening the air injection switch 2d, communicating the air injection device 2 with the inner cavity of the infusion apparatus body 1 through the air injection connecting pipe 3, pushing the air injection push rod 2b to inject the sterile air stored in the air injection device 2 into the infusion apparatus body 1, maintaining the pressure in the infusion apparatus body 1 to be higher than the venous pressure of a patient, and continuously inputting the residual liquid medicine in the infusion apparatus body 1 into the patient; after a section of air column is formed in the infusion apparatus pipeline, the liquid medicine is replaced, so that the liquid medicine is isolated from the previous liquid medicine through the air column, and the two liquid medicines are not mixed, thereby ensuring the treatment effect; in addition, the air column in the pipeline is discharged through the air filter 1c, so that the proving safety of the patient is ensured.
Compared with the prior art, the technical scheme provided by the embodiment has at least one of the following beneficial effects:
(1) The infusion apparatus is mainly provided with the infusion switch 1a and the gas injection device 2, the gas injection device 2 comprises the gas injection pipe 2a, the gas injection push rod 2b, the gas injection push rod fixer 2c and the gas injection switch 2d, so that the sterile air can be sealed and stored and injected into the infusion apparatus, the pressure of the infusion apparatus is maintained to be higher than the venous pressure of a patient, the liquid medicine is completely input into the patient, the pollution of the liquid medicine is avoided, and the treatment effect and the life safety of the patient are ensured.
(2) The utility model is also provided with the air filter 1c, and sterile air is injected into the injector to form an air column in the pipeline, so that two liquid medicines can be isolated, the two liquid medicines are prevented from being mixed, and the treatment effect is ensured; in addition, the air column in the pipeline is discharged through the air filter 1c, so that the life safety of a patient is ensured.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims (10)

1. An infusion apparatus suitable for nursing operation is characterized by comprising an infusion apparatus body (1), an air injection device (2), an air injection connecting pipe (3) and an infusion bag (4); the gas injection device (2) comprises a gas injection pipe (2 a), a gas injection push rod (2 b), a gas injection push rod fixer (2 c) and a gas injection switch (2 d), wherein the gas injection device (2) is used for packaging sterile air and injecting the sterile air into the infusion apparatus to maintain that the pressure in the infusion apparatus is higher than the venous pressure of a patient.
2. An infusion set suitable for nursing operations according to claim 1, characterized in that said gas injection tube (2 a) comprises a gas cylinder (2 a 1) and a gas nozzle (2 a 2), said gas nozzle (2 a 2) being in communication with the inner cavity of the gas cylinder (2 a 1).
3. An infusion apparatus suitable for nursing operation according to claim 2, characterized in that an annular baffle (2 a 11) is arranged at one end of the air cylinder (2 a 1), a baffle (2 a 12) is arranged at the other end of the air cylinder (2 a 1), and an air tap (2 a 2) is arranged on the baffle (2 a 12); the air tap (2 a 2) is characterized in that an axle hole (2 a 21) is formed in the round wall of the air tap (2 a 2), a groove (2 a 22) is formed in the inner wall of the air tap (2 a 2), and the cross section of the groove (2 a 22) is arc-shaped.
4. An infusion set suitable for nursing operations according to claim 3, characterized in that said insufflation push rod (2 b) comprises a push rod (2 b 1), a piston (2 b 2), a sealing ring (2 b 3) and a push plate (2 b 4); at least one sealing ring (2 b 3) is arranged on the piston (2 b 2).
5. An infusion set suitable for nursing operations according to claim 2, characterized in that the air injection push rod (2 b) is movably connected with the air cylinder (2 a 1), the air injection push rod (2 b) being capable of sliding in the inner cavity of the air cylinder (2 a 1).
6. An infusion set suitable for nursing operations according to claim 4, characterized in that said air injection push rod holder (2 c) comprises a first clamping groove (2 c 1) and a second clamping groove (2 c 2); the pushing piece (2 b 4) can be clamped into the first clamping groove (2 c 1), and the blocking piece (2 a 11) can be clamped into the second clamping groove (2 c 2).
7. An infusion set suitable for nursing operation according to claim 3, characterized in that the gas injection switch (2 d) comprises a ball valve (2 d 1), a rotating shaft (2 d 2) and a rotating piece (2 d 3) which are fixedly connected in sequence, and a through hole (2 d 11) is arranged on the ball valve (2 d 1).
8. An infusion set suitable for nursing operations according to claim 7, characterized in that said gas injection switch (2 d) is arranged on the gas tap (2 a 2); the ball valve (2 d 1) is movably connected with the groove (2 a 22) on the inner wall of the air tap (2 a 2), and the ball valve (2 d 1) can rotate in the groove (2 a 22).
9. An infusion set suitable for nursing operation according to claim 1, characterized in that the infusion set body (1) is provided with an infusion switch (1 a), an air injection interface (1 b) and an air filter (1 c); the infusion switch (1 a) is arranged below a puncture needle of the infusion apparatus body (1), and the gas injection interface (1 b) is arranged above a drip cup of the infusion apparatus body (1).
10. An infusion set suitable for nursing operations according to claim 9, characterized in that said air injection interface (1 b) is connected with an air injection connection tube (3); the gas injection connecting pipe (3) is connected with the gas injection device (2).
CN202222486384.5U 2022-09-20 2022-09-20 Transfusion system suitable for nursing operation Active CN219764149U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222486384.5U CN219764149U (en) 2022-09-20 2022-09-20 Transfusion system suitable for nursing operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222486384.5U CN219764149U (en) 2022-09-20 2022-09-20 Transfusion system suitable for nursing operation

Publications (1)

Publication Number Publication Date
CN219764149U true CN219764149U (en) 2023-09-29

Family

ID=88107573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222486384.5U Active CN219764149U (en) 2022-09-20 2022-09-20 Transfusion system suitable for nursing operation

Country Status (1)

Country Link
CN (1) CN219764149U (en)

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