Medical intravenous infusion apparatus capable of automatically adding medicine

By designing an automatic dosing medical intravenous infusion device, the combination of two shells and U-shaped connecting tubes is used to solve the problem of frequent replacement of medicine bottles, improve the infusion efficiency, and facilitate the treatment of multiple patients.

CN120285351APending Publication Date: 2025-07-11GENERAL HOSPITAL OF THE NORTHERN WAR ZONE OF THE CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202510754223.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2025-07-11

AI Technical Summary

Technical Problem

The existing intravenous infusion devices require frequent replacement of the medicine bottle during the infusion process, resulting in low work efficiency of medical staff and inability to respond to the needs of multiple patients in a timely manner.

Method used

An automatic dosing medical intravenous infusion device is designed, adopting two shell structures, each shell is equipped with a card slot and a positioning slot. Two bottles are connected simultaneously by using a U-shaped connecting tube, and the stable clamping of the bottle and sealing of the connecting tube are achieved through the cooperation of clamps and springs, reducing the replacement frequency.

Benefits of technology

It realizes the connection of two medicine bottles at the same time, reducing the number of bottle replacements, improving the work efficiency of medical staff, and facilitating infusion treatment for multiple patients.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a medical intravenous infusion apparatus capable of automatically adding medicine, and relates to the technical field of medical auxiliary instruments. The medical intravenous infusion apparatus with the automatic medicine adding function comprises a mounting plate and a connecting pipe, two shells are fixedly connected to the lower surface of the mounting plate in a spaced mode, clamping grooves are formed in the bottoms in the two shells, positioning grooves are formed in the middles of the clamping grooves, two mounting blocks are symmetrically arranged on the inner walls of the two shells, and the two mounting blocks are fixedly connected to the lower surface of the mounting plate. Supporting plates are movably connected to the side walls of the mounting blocks correspondingly, and first clamps are arranged on the side walls of the supporting plates correspondingly. By means of the structure, the connecting pipe can be communicated with two medicine bottles at the same time, the second clamp is matched with the connecting pipe, the connecting pipe can be sealed, medical workers do not need to frequently replace the medicine bottles when replacing the medicine, the next bottle of medicine can be directly used, and the use efficiency of the medical workers is improved. And the medical personnel can have more time to change the medicine for other patients.
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Description

Technical Field

[0001] The present invention relates to the technical field of medical auxiliary instruments, and specifically relates to a medical intravenous infusion set with automatic drug addition. Background Art

[0002] Intravenous infusion is a method of injecting a large amount of sterile liquid, electrolyte, and drug into the body by using the principles of atmospheric pressure and hydrostatic pressure. Injecting a large amount of liquid, electrolyte, or blood into a vein is called the intravenous infusion method. Depending on the injection site and type of infusion, it can be divided into peripheral intravenous infusion, central venous infusion, hyperalimentation infusion (TPN), and blood transfusion, etc. Intravenous infusion therapy is a highly professional technique, and its treatment aspects cover parenteral infusion, nutritional support, medication, and infusion treatment.

[0003] The existing intravenous infusion sets have a single function. During the infusion process, only one medicine bottle can be connected at a time, and the medicine bottle needs to be frequently replaced. However, there are many patients in the ward and the infusion time is relatively concentrated, resulting in the medical staff being unable to arrive in time in a short period, and the work efficiency is low. Summary of the Invention

[0004] Technical Problem to be Solved In view of the deficiencies of the prior art, the present invention provides a medical intravenous infusion set with automatic drug addition to solve the problem of frequent replacement of medicine bottles.

[0005] Technical Solution To achieve the above objectives, the present invention is realized through the following technical solutions: A medical intravenous infusion set with automatic drug addition, including a mounting plate and a connecting tube. Two shells are fixedly connected to the lower surface of the mounting plate at intervals. Card slots are provided at the bottom of each of the two shells, and positioning slots are provided in the middle of the card slots. Two mounting blocks are symmetrically arranged on the inner walls of each of the two shells. Support plates are movably connected to the side walls of the mounting blocks, and first clamps are provided on the side walls of the support plates. Fixed rods are fixedly connected to the lower surfaces of each of the two shells. Mounting shells are fixedly connected to the lower ends of adjacent fixed rods. An installation hole is formed through the middle of the mounting shell. The connecting tube is arranged in a U shape, and conical heads are provided at both ends of the connecting tube. The outside of the connecting tube is matched with the installation hole in the middle of the mounting shell.

[0006] Preferably, two threaded rods are rotatably connected to the inner wall of the mounting shell. Two threaded blocks are threadedly connected to the outside of each of the two threaded rods. A movable plate is fixedly connected between adjacent threaded blocks, and a second clamp is fixedly connected to the side wall of the movable plate.

[0007] Preferably, the side walls of adjacent second clamps are attached to the outside of the connecting tube. A knob is provided on the outside of the mounting shell, and one end of the knob is fixedly connected to one end of the threaded rod.

[0008] Preferably, a sliding rod is fixedly connected to the inner wall of the mounting block, two sliders are slidably connected to the outside of the sliding rod, connecting members are provided on the lower surface of the support plate and the upper surface of the slider, and an inclined rod is rotatably connected to the side wall of the connecting member.

[0009] Preferably, second springs are provided at both ends of the sliding rod, one end of each second spring is fixedly connected to the side wall of the slider, a limiting block is fixedly connected to the side wall of the slider, and the lower end of the limiting block is slidably connected to the inner bottom of the mounting block.

[0010] Preferably, two sleeves are arranged at intervals on the inner top of the two shells, a first spring is arranged inside the sleeve, one end of the first spring is fixedly connected to a movable rod, and a pressing plate is fixedly connected to the lower ends of two adjacent movable rods.

[0011] Preferably, a hanging ring is fixedly connected to the upper end of the mounting plate, a flow meter is connected to the side wall of the connecting pipe, a drip funnel is communicated with the side wall of the connecting pipe, and an infusion pipe is communicated with the lower end of the drip funnel.

[0012] Beneficial effects The present invention provides a medical intravenous infusion set with automatic drug addition. It has the following beneficial effects: By setting two shells in the present invention, and placing medicine bottles in the interiors of the two shells respectively, and using a U-shaped connecting pipe to connect the two medicine bottles simultaneously, thus, two medicine bottles can be connected simultaneously, and there is no need to frequently replace the medicine bottles.

[0013] The present invention uses the second spring, sliding rod, slider, inclined rod, support plate and the first clamp to cooperate. By using the elasticity of the second spring to push the slider to move, and with the cooperation of the connecting member, the first clamp can clamp and position the medicine bottle, keeping the medicine bottle stable. Moreover, during operation, the side wall of the first clamp fits with the medicine bottle, and the medicine bottle can be installed between two adjacent first clamps by pushing the medicine bottle.

[0014] The present invention uses the threaded rod, threaded block, movable plate and the second clamp to cooperate, and two adjacent second clamps cooperate with each other. One of the second clamps slides inside the other second clamp, thereby clamping the connecting pipe and sealing one end of the connecting pipe. Description of the drawings

[0015] Figure 1 is a perspective view of a medical intravenous infusion set with automatic drug addition proposed by the present invention; Figure 2 is a cross-sectional view of a medical intravenous infusion set with automatic drug addition proposed by the present invention; Figure 3 is what is proposed by the present invention Figure 2 The enlarged view at A in Figure 4 proposed by the present invention Figure 2 An enlarged view of part B in Figure 5 A sectional view of the mounting housing of a medical intravenous infusion set with automatic drug addition proposed by the present invention; Figure 6 A sectional view of the mounting block of a medical intravenous infusion set with automatic drug addition proposed by the present invention.

[0016] Wherein, 1, mounting plate; 2, hanging ring; 3, housing; 4, mounting housing; 5, connecting pipe; 6, flowmeter; 7, drip chamber; 8, infusion tube; 9, card slot; 10, mounting block; 11, first clamp; 12, tapered head; 13, positioning groove; 14, fixing rod; 15, knob; 16, first spring; 17, pressing plate; 18, movable rod; 19, sleeve; 20, threaded block; 21, threaded rod; 22, second clamp; 23, movable plate; 24, support plate; 25, second spring; 26, slider; 27, slide bar; 28, inclined rod; 29, limit block; 30, connecting member. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0018] Embodiment: As Figures 1-6 shown, the embodiment of the present invention provides a medical intravenous infusion set with automatic drug addition, including a mounting plate 1 and a connecting pipe 5. Two housings 3 are fixedly connected to the lower surface of the mounting plate 1 at intervals. Card slots 9 are arranged at the inner bottoms of the two housings 3. The card slots 9 cooperate with the positioning grooves 13 to position the medicine bottle mouth. A positioning groove 13 is arranged in the middle of the card slot 9. Two mounting blocks 10 are symmetrically arranged on the inner walls of the two housings 3. Support plates 24 are movably connected to the side walls of the mounting blocks 10. First clamps 11 are arranged on the side walls of the support plates 24. The medicine bottle is placed between two adjacent first clamps 11, which facilitates the first clamps 11 to position the medicine bottle; Fixing rods 14 are fixedly connected to the lower surfaces of the two housings 3. Mounting housings 4 are fixedly connected to the lower ends of two adjacent fixing rods 14. An installation hole is penetrated through the middle of the mounting housing 4. The connecting pipe 5 is arranged in a U shape. Tapered heads 12 are arranged at both ends of the connecting pipe 5. The outside of the connecting pipe 5 cooperates with the installation hole in the middle of the mounting housing 4, and the second clamp 22 inside the mounting housing 4 facilitates sealing one end of the connecting pipe 5.

[0019] There are two threaded rods 21 rotatably connected to the inner wall of the installation shell 4. The external threads of the threaded rods 21 are symmetrically arranged, causing the two threaded blocks 20 to move towards each other. There are two threaded blocks 20 threadedly connected to the outside of each of the two threaded rods 21. A movable plate 23 is fixedly connected between adjacent threaded blocks 20. A second clamp 22 is fixedly connected to the side wall of the movable plate 23. The second clamps 22 cooperate with each other to seal the connecting pipe 5. The side walls of adjacent second clamps 22 are in contact with the outer side of the connecting pipe 5. A knob 15 is arranged on the outside of the installation shell 4. One end of the knob 15 is fixedly connected to one end of the threaded rod 21. A slide bar 27 is fixedly connected to the inner wall of the installation block 10. There are two sliders 26 slidably connected to the outside of the slide bar 27. Connecting pieces 30 are arranged on the lower surface of the support plate 24 and the upper surface of the slider 26. The connecting piece 30 on the lower surface of the support plate 24 moves inside the support plate 24. The side wall of the connecting piece 30 is rotatably connected to an inclined rod 28. The inclined rods 28 are cross - arranged, and both ends of the inclined rod 28 are rotatably connected to the side wall of the connecting piece 30. Second springs 25 are arranged at both ends of the slide bar 27. One end of the second spring 25 is fixedly connected to the side wall of the slider 26. A limiting block 29 is fixedly connected to the side wall of the slider 26. The lower end of the limiting block 29 is slidably connected to the inner bottom of the installation block 10. There are two sleeves 19 arranged at intervals on the inner top of both shells 3. A first spring 16 is arranged inside the sleeve 19. Using the elasticity of the first spring 16 to push the movable rod 18 to move, so that the pressing plate 17 cooperates with the upper end of the medicine bottle, and the medicine bottle can be pressed tightly. One end of the first spring 16 is fixedly connected to the movable rod 18. The lower ends of adjacent movable rods 18 are fixedly connected to the pressing plate 17. A hanging ring 2 is fixedly connected to the upper end of the installation plate 1. A flowmeter 6 is connected to the side wall of the connecting pipe 5. A drip chamber 7 is communicated with the side wall of the connecting pipe 5. The lower end of the drip chamber 7 is communicated with an infusion tube 8.

[0020] Working principle: When in use, the installation plate 1 and the shell 3 are lifted through the hanging ring 2. Medical staff place the medicine bottle inside the shell 3. The medicine bottle mouth cooperates with the card slot 9 and the positioning slot 13. And when placing the medicine bottle, the side of the medicine bottle cooperates with the side wall of the first clamp 11. And under the cooperation of the inclined rod 28, the connecting piece 30 and the slider 26, the first clamp 11 can move. After placing the medicine bottle between the two first clamps 11, the elasticity of the second spring 25 is used to push the slider 26 to move, so that the first clamp 11 positions the medicine bottle and keeps the medicine bottle stable. And the elasticity of the first spring 16 is used to push the movable rod 18 to move, so that the pressing plate 17 cooperates with the bottom of the medicine bottle, thereby pressing the medicine bottle tightly. Connect the connecting tube 5 with the cone head 12 installed to the medicine bottle. The connecting tube is installed in the middle of the installation shell 4. Drive the threaded rod 21 to rotate by using the knob 15. During the rotation, the threaded block 20 moves outside the threaded rod 21. During the movement, drive the movable plate 23 to move. And two adjacent second clamps 22 cooperate with each other. One of the second clamps 22 cooperates with the inside of the other second clamp 22, so as to seal the connecting tube 5. Moreover, by providing two shells 3 and placing medicine bottles in the interiors of the two shells 3 respectively, and the two medicine bottles are used separately. During the use, the frequency of dressing change by medical staff can be reduced, the workload can be lightened, and it is convenient for medical staff to change the dressings of more patients.

[0021] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic medicine - adding medical intravenous infusion set, comprising a mounting plate (1) and a connecting tube (5), characterized in that: The lower surface of the mounting plate (1) is fixedly connected with two shells (3) at intervals. The inner bottom of each of the two shells (3) is provided with a clamping groove (9). A positioning groove (13) is arranged in the middle of the clamping groove (9). Two mounting blocks (10) are symmetrically arranged on the inner walls of the two shells (3). The side walls of the mounting blocks (10) are movably connected with support plates (24). The side walls of the support plates (24) are provided with first clamps (11). The lower surfaces of the two shells (3) are fixedly connected with fixing rods (14). The lower ends of adjacent fixing rods (14) are fixedly connected with mounting shells (4). An installation hole is formed through the middle of the mounting shell (4). The connecting pipe (5) is arranged in a U shape. Conical heads (12) are arranged at both ends of the connecting pipe (5). The outside of the connecting pipe (5) is matched with the installation hole in the middle of the mounting shell (4).

2. The automatic medicine adding medical intravenous infusion set according to claim 1, wherein: Two threaded rods (21) are rotatably connected to the inner wall of the mounting shell (4). Two threaded blocks (20) are threadedly connected to the outside of each of the two threaded rods (21). A movable plate (23) is fixedly connected between adjacent threaded blocks (20). A second clamp (22) is fixedly connected to the side wall of the movable plate (23).

3. The automatic drug adding medical intravenous infusion set according to claim 2, wherein: The side wall of the adjacent second clamp (22) is attached to the outside of the connecting pipe (5). A knob (15) is arranged on the outside of the mounting shell (4). One end of the knob (15) is fixedly connected with one end of the threaded rod (21).

4. An automatic drug - adding medical intravenous infusion set according to claim 1, characterized in that: A sliding rod (27) is fixedly connected to the inner wall of the mounting block (10). Two sliders (26) are slidably connected to the outside of the sliding rod (27). Connecting pieces (30) are arranged on the lower surface of the support plate (24) and the upper surface of the slider (26). An inclined rod (28) is rotatably connected to the side wall of the connecting piece (30).

5. An automatic medicine adding medical intravenous infusion set according to claim 4, characterized in that: Second springs (25) are arranged at both ends of the sliding rod (27). One end of each second spring (25) is fixedly connected with the side wall of the slider (26). A limiting block (29) is fixedly connected to the side wall of the slider (26). The lower end of the limiting block (29) is slidably connected to the inner bottom of the mounting block (10).

6. An automatic drug - adding medical intravenous infusion set according to claim 1, characterized in that: Two sleeves (19) are arranged at intervals on the inner top of the two shells (3). A first spring (16) is arranged inside the sleeve (19). One end of the first spring (16) is fixedly connected with a movable rod (18). The lower ends of adjacent movable rods (18) are fixedly connected with pressing plates (17).

7. An automatic medicine adding medical intravenous infusion set according to claim 1, characterized in that: A lifting ring (2) is fixedly connected to the upper end of the mounting plate (1). A flowmeter (6) is connected to the side wall of the connecting pipe (5). A drip funnel (7) is communicated with the side wall of the connecting pipe (5). The lower end of the drip funnel (7) is communicated with an infusion tube (8).