Infusion device with liquid medicine preparation mechanism

By designing an infusion device with a drug preparation mechanism, and utilizing structures such as a first puncture device, a second puncture device, and a stent, rapid preparation and mixing of the drug solution is achieved. This solves the problems of cumbersome drug preparation process and contamination in existing technologies, and improves the convenience and asepticity of operation.

CN224039623UActive Publication Date: 2026-03-27SHANGHAI WUBIN PACKAGING PRODS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing technology for preparing medicine solutions is cumbersome and prone to contamination, especially the preparation of antibiotics, which requires repeated operations and is difficult to maintain a sterile environment.

Method used

An infusion device with a drug preparation mechanism was designed, including a first puncture device and a second puncture device, a support, a guide, a limiting protrusion, and an elastomeric seal. The rapid preparation and mixing of the drug solution is achieved by moving and flipping the support, thus preventing contamination.

Benefits of technology

It simplifies the drug preparation process, reduces the risk of contamination, ensures the sterility and flowability of the drug solution, and improves the ease of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224039623U_ABST
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Abstract

The infusion device comprises the liquid medicine preparation mechanism and an infusion container, the liquid medicine preparation mechanism comprises an outer sleeve, the outer sleeve is provided with a cavity with an upward opening, a support is movably arranged in the outer sleeve, a first puncture outfit is arranged on the upper side of the support, and a second puncture outfit is arranged on the lower side of the support. The upper end of the first puncture outfit and the lower end of the second puncture outfit are both provided with sharp ends, more than one channel is arranged on the inner side of the first puncture outfit and the inner side of the second puncture outfit, an elastomer sealing piece is arranged below the cavity, and the lower side of the outer sleeve is connected with an infusion container. The support with the two puncture outfits is arranged in the outer sleeve, a penicillin bottle and an infusion container are punctured for operation during use, and rapid liquid medicine preparation is facilitated; the sealing rubber plug of the penicillin bottle is sealed with the first puncture outfit, and the elastomer sealing piece seals the outer side of the second puncture outfit, so that infusion liquid is not in contact with the outside, and leakage and external pollution in the dispensing process are prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to human life article, especially medical equipment, particularly infusion device, specifically a kind of infusion device with medicine liquid preparation mechanism. BACKGROUND

[0002] Before patient infusion, medical staff needs to prepare medicine liquid first, and dispensing must be operated in sterile environment. Especially the preparation of antibiotics, physiological saline or glucose injection is first extracted from container using syringe, injected into penicillin bottle, after dissolving medicine, it is extracted from penicillin bottle using syringe and injected into infusion container, if multiple drugs are cooperated to administer, the above operation must be repeated, the whole operation process is complicated, and pollution is easy to occur. SUMMARY

[0003] The utility model aims at providing a kind of infusion device with medicine liquid preparation mechanism, the infusion device with medicine liquid preparation mechanism described to solve the technical problem that medicine liquid preparation process is complicated in prior art, and pollution is easy to occur.

[0004] The utility model discloses a kind of infusion device with medicine liquid preparation mechanism, including a medicine liquid preparation mechanism and a infusion container, the medicine liquid preparation mechanism includes sleeve, the sleeve has the cavity with opening upwards, the cavity is movably provided with support, the upper side of the support is provided with first puncture device, the lower side of the support is provided with second puncture device, the upper end of the first puncture device and the lower end of second puncture device are provided with sharp end, the inside of the first puncture device and second puncture device is provided with more than one passageway, any one described passageway is communicated with the sharp end of the top of first puncture device and the sharp end of the bottom of second puncture device, the cavity below sleeve is provided with elastomer seal, the lower side of the sleeve is connected with infusion container.

[0005] Further, the side of the support is provided with guide portion, the guide portion is attached with the inner wall of sleeve, the inner wall of sleeve is provided with first limit protrusion and second limit protrusion from top to bottom interval, the guide portion of the support is between first limit protrusion and second limit protrusion or between second limit protrusion and the inner bottom surface of sleeve.

[0006] Further, the first limit protrusion and second limit protrusion are annular protrusions, the upper side of the first limit protrusion and second limit protrusion is tapered surface, the side of the support is provided with multiple evenly distributed notches.

[0007] Further, the upper side of the support is provided with a third limiting protrusion, which is at least two lugs or annular protrusions, the lugs or annular protrusions are uniformly distributed on the circumference with the first puncture device as the center.

[0008] Further, the upper end of the outer sleeve is provided with an outer sleeve sealing piece, which is a protective film.

[0009] Further, the first puncture device, the second puncture device and the support are of an integrated structure, the first puncture device and the second puncture device are coaxially arranged, and the number of the channels is two.

[0010] Further, the lower side of the outer sleeve is provided with a journal portion, the elastomer sealing piece is arranged in the journal portion, the middle of the elastomer sealing piece is provided with a through hole, and the second puncture device is coaxially arranged with the through hole.

[0011] Further, the outer sleeve is provided with a lifting device, the lifting device is inverted U-shaped, and the two ends of the lifting device are hingedly connected with the outer wall of the outer sleeve.

[0012] Further, the infusion container comprises a sealed container, the lower end of the sealed container is provided with a first mouth pipe, the lower end of the first mouth pipe is provided with a sealing cover, and the liquid medicine preparation mechanism is connected with the upper end of the sealed container.

[0013] Further, the upper end of the sealed container is provided with a second mouth pipe, the bottom of the liquid medicine preparation mechanism is provided with a cover body, the cover body is connected with the second mouth pipe, and the sealed container is a bottle body or a soft bag.

[0014] The working principle of the liquid medicine preparation mechanism is as follows: physiological saline or glucose injection is stored in the infusion container, when used, the sealing rubber plug of the penicillin bottle is aligned with the first puncture device, the penicillin bottle is pressed down so that the first puncture device pierces the sealing rubber plug and is inserted into the penicillin bottle, the second puncture device pierces the seal of the infusion container and is inserted into the infusion container by penetrating the elastomer sealing piece downwards, then the infusion container is turned over, the infusion container is squeezed so that the liquid in the infusion container enters the penicillin bottle through the channels in the first puncture device and the second puncture device to dissolve the liquid medicine, the dissolved liquid medicine enters the infusion container again by turning over, at this time, the penicillin bottle is kept above the support, and infusion can be carried out. If multiple medicines need to be mixed, the penicillin bottle can be pulled out from the first puncture device, and the above operation is repeated to dissolve multiple medicines with the liquid in the infusion container.

[0015] Compared with existing technologies, the advantages of this invention are positive and significant. The drug preparation mechanism of this invention has a support with a first puncture device and a second puncture device inside the outer casing. During use, the device punctures the vial and infusion container for operation, facilitating rapid drug preparation. The sealing rubber stopper of the vial seals against the first puncture device, and the elastomeric seal seals the outside of the second puncture device, preventing the infusion liquid from contacting the outside environment and preventing leakage and external contamination during the drug preparation process. Attached Figure Description

[0016] Figure 1 This is a structural cross-sectional view of an infusion device with a drug preparation mechanism according to this utility model.

[0017] Figure 2 This is a schematic diagram of the use of an infusion device with a drug preparation mechanism according to this utility model.

[0018] Figure 3 This is a schematic diagram of the drug preparation mechanism of this utility model.

[0019] Figure 4 This is a structural cross-sectional view of the drug preparation mechanism of this utility model.

[0020] Figure 5 This is a three-dimensional sectional view of the drug preparation mechanism of this utility model.

[0021] Figure 6 This is a schematic diagram of the support frame of the medicine preparation mechanism of this utility model.

[0022] In the diagram, the numbers represent: 1. Outer casing; 2. Cavity; 3. Support; 4. First puncture device; 5. Second puncture device; 6. Channel; 7. Elastomer seal; 8. Guide section; 9. First limiting protrusion; 10. Second limiting protrusion; 11. Notch; 12. Third limiting protrusion; 13. Outer casing seal; 14. Journal neck; 15. Through hole; 16. Lifting device; 17. Sealing container; 18. First port; 19. Sealing cap; 20. Second port; 21. Cap body; 22. Vial. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this does not limit the present invention.

[0024] like Figures 1-6As shown, the utility model discloses a kind of liquid medicine preparation mechanism, including one liquid medicine preparation mechanism and one infusion container, the liquid medicine preparation mechanism includes sleeve 1, the sleeve 1 has cavity 2 with opening upwards, the cavity 2 is movably provided with support 3, the upper side of the support 3 is provided with first puncture 4, the lower side of the support 3 is provided with second puncture 5, the upper end of the first puncture 4 and the lower end of second puncture 5 are provided with sharp end, the inside of the first puncture 4 and second puncture 5 is provided with more than one passageway 6, any one of the passageway 6 is communicated with the sharp end of the top of first puncture 4 and the sharp end of the bottom of second puncture 5, the cavity 2 below sleeve 1 is provided with elastomer seal 7, and the lower side of the sleeve 1 is connected with infusion container.

[0025] Further, the side of the support 3 is provided with guide part 8, the guide part 8 is attached with the inner wall of sleeve 1, the inner wall of the sleeve 1 is provided with first limiting protrusion 9 and second limiting protrusion 10 from top to bottom, and the guide part 8 of the support 3 is located between the first limiting protrusion 9 and the second limiting protrusion 10 or between the second limiting protrusion 10 and the inner bottom surface of the sleeve 1. By attaching the guide part 8 with the inner wall of the sleeve 1, the support 3 can move along the axial direction of the sleeve 1, and the second puncture 5 can pass through the elastomer seal 7. When storing, the guide part 8 of the support 3 is located between the first limiting protrusion 9 and the second limiting protrusion 10 to prevent the support 3 from moving in the cavity 2. When preparing liquid medicine and infusion, the support 3 is pressed down, the second puncture 5 passes through the elastomer seal 7 and enters the infusion container, and the guide part 8 of the support 3 is located between the second limiting protrusion 10 and the inner bottom surface of the sleeve 1 for limiting.

[0026] Further, the first limiting protrusion 9 and the second limiting protrusion 10 are annular protrusions, the upper side of the first limiting protrusion 9 and the second limiting protrusion 10 is a tapered surface, and the side of the support 3 is provided with a plurality of uniformly distributed notches 11. The upper side of the first limiting protrusion 9 and the second limiting protrusion 10 is a tapered surface to facilitate the installation and pressing of the support 3. When the support 3 is pressed into the second limiting protrusion 9, the notches 11 reduce the solid area of the support 3, making it easier for the support 3 to deform, and facilitating the pressing of the support 3 into the bottom of the cavity 2.

[0027] Further, the upper side of the support 3 is provided with third limiting protrusion 12, the third limiting protrusion 12 is at least two bumps or annular protrusions, the bumps are uniformly distributed on the circumference with the first puncture 4 as the center, and the annular protrusion has the first puncture 4 as the center. The third limiting protrusion 12 plays a guiding and limiting role for the westlin bottle 22 when the westlin bottle 22 is inserted into the first limiting protrusion 9.

[0028] Further, the upper end of the outer sleeve 1 is provided with an outer sleeve sealing piece 13, which is a protective film. The protective film can ensure that the inside of the medicine liquid preparation mechanism remains sterile during transportation and storage, and is opened when needed for use.

[0029] Further, the first puncture device 4, the second puncture device 5 and the support 3 are of an integrated structure, the first puncture device 4 and the second puncture device 5 are coaxially arranged, and the number of the channels 6 is two. The coaxial arrangement of the first puncture device 4 and the second puncture device 5 facilitates the manufacture of the channels 6 in the first puncture device 4 and the second puncture device 5, so that the channels 6 are in a straight line. When the number of the channels 6 is two, liquid can flow conveniently in the two channels.

[0030] Further, the lower side of the outer sleeve 1 is provided with a shaft neck portion 14, the elastomer sealing piece 7 is arranged in the shaft neck portion 14, the middle of the elastomer sealing piece 7 is provided with a through hole 15, and the second puncture device 5 is coaxially arranged with the through hole 15. The shaft neck portion 14 can support the elastomer sealing piece 7, maintain the position of the elastomer sealing piece 7, and make the elastomer sealing piece 7 better play a sealing role. The through hole 15 facilitates the second puncture device 8 to pass through the elastomer sealing piece 7, and the coaxial arrangement of the second puncture device 5 and the through hole 15 facilitates the second puncture device 5 to pass through the through hole 15 of the elastomer sealing piece 7 when the support 3 moves linearly.

[0031] Further, the outer sleeve 1 is externally provided with a lifting tool 16, the lifting tool 16 is in an inverted U shape, and the two ends of the lifting tool 16 are hinged to the outer wall of the outer sleeve 1. The lifting tool 16 can be used to lift the medicine liquid preparation mechanism during infusion, thereby facilitating infusion.

[0032] Further, the infusion container comprises a sealed container 17, the lower end of the sealed container 17 is provided with a first mouth pipe 18, the lower end of the first mouth pipe 18 is provided with a sealing cover 19, and the medicine liquid preparation mechanism is connected to the upper end of the sealed container 17. At least one of the bottom of the medicine liquid preparation mechanism and the connection between the sealed container 17 and the medicine liquid preparation mechanism is sealed, so that the liquid in the sealed container 17 can be prevented from entering the medicine liquid preparation mechanism before use, and the second puncture device 5 at the lower side of the support 3 of the medicine liquid preparation mechanism can be used to pierce the sealing part to enter the sealed container 17 during use.

[0033] Further, the upper end of the sealed container 17 is provided with a second mouth pipe 20, the bottom of the medicine liquid preparation mechanism is provided with a cover body 21, the cover body 21 is connected to the second mouth pipe 20, and the sealed container 17 is a bottle body or a soft bag.

[0034] When the medicine liquid preparation mechanism is used, Figure 1 As shown in FIG. 1, it is a schematic diagram of the storage state of the infusion device, and physiological saline or glucose injection is stored in the infusion container. Figure 2The shown medicine liquid preparation first opens the outer seal 13 before the preparation, then the sealed rubber plug of the vial 22 is aligned with the first puncture device 4, then the vial 22 is pressed down to make the first puncture device 4 pierce the sealed rubber plug and insert into the vial 22, the second puncture device 5 pierces the seal of the infusion container and inserts into the infusion container by penetrating the elastomer seal 7 downward, then the infusion container is turned over, the infusion container is squeezed to make the liquid in the infusion container pass through the channels 6 in the first puncture device 4 and the second puncture device 5 into the vial 22 to dissolve the medicine liquid, the dissolved medicine liquid passes through the channels 6 and is turned over again into the infusion container, at this time the vial 22 remains above the support 3. If multiple medicines need to be mixed, the vial 22 can be pulled off from the first puncture device 4, and the above operation is repeated to dissolve multiple medicines with the liquid in the infusion container. After the medicine liquid preparation is completed, one end of the infusion needle tube is inserted into the sealed cover 19 of the first port tube 18 for infusion.

Claims

1. An infusion device with a drug preparation mechanism, characterized in that: The device includes a drug preparation mechanism and an infusion container. The drug preparation mechanism includes an outer casing (1) with an upward-opening cavity (2). A support (3) is movably disposed within the cavity (2). A first puncture device (4) is disposed on the upper side of the support (3), and a second puncture device (5) is disposed on the lower side of the support (3). Both the upper end of the first puncture device (4) and the lower end of the second puncture device (5) are provided with sharp ends. The inner sides of the first puncture device (4) and the second puncture device (5) are provided with one or more channels (6). Any one of the channels (6) is connected to the sharp end at the top of the first puncture device (4) and the sharp end at the bottom of the second puncture device (5). An elastomeric seal (7) is disposed below the cavity (2) of the outer casing (1), and the lower side of the outer casing (1) is connected to the infusion container.

2. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: The side of the bracket (3) is provided with a guide part (8), which is in contact with the inner wall of the outer sleeve (1). The inner wall of the outer sleeve (1) is provided with a first limiting protrusion (9) and a second limiting protrusion (10) from top to bottom. The guide part (8) of the bracket (3) is located between the first limiting protrusion (9) and the second limiting protrusion (10) or between the second limiting protrusion (10) and the inner bottom surface of the outer sleeve (1).

3. The infusion device with a drug preparation mechanism as described in claim 2, characterized in that: The first limiting protrusion (9) and the second limiting protrusion (10) are annular protrusions. The upper side surfaces of the first limiting protrusion (9) and the second limiting protrusion (10) are conical surfaces. The side surface of the bracket (3) is provided with a plurality of evenly distributed notches (11).

4. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: The upper side of the bracket (3) is provided with a third limiting protrusion (12), which is at least two protrusions or annular protrusions. The protrusions are evenly distributed in annular shape on the circumference with the first puncture device (4) as the center, and the annular protrusions are with the first puncture device (4) as the center.

5. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: The upper end of the outer jacket (1) is provided with an outer jacket seal (13), which is a protective film.

6. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: The first puncture device (4), the second puncture device (5), and the support (3) are an integral structure. The first puncture device (4) and the second puncture device (5) are coaxially arranged, and the number of channels (6) is two.

7. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: The underside of the outer sleeve (1) is provided with a journal (14), the elastomeric seal (7) is provided inside the journal (14), the elastomeric seal (7) is provided with a through hole (15) in the middle, and the second puncture device (5) is coaxially arranged with the through hole (15).

8. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: A lifting device (16) is provided on the outside of the outer jacket (1). The lifting device (16) is inverted U-shaped, and both ends of the lifting device (16) are hinged to the outer wall of the outer jacket (1).

9. The infusion device with a drug preparation mechanism as described in claim 1, characterized in that: The infusion container includes a sealed container (17), the lower end of which is provided with a first port (18), and the lower end of the first port (18) is provided with a sealing cap (19). The drug preparation mechanism is connected to the upper end of the sealed container (17).

10. The infusion device with a drug preparation mechanism according to claim 9, characterized in that: The upper end of the sealed container (17) is provided with a second inlet tube (20), and the bottom of the medicine preparation mechanism is provided with a cover (22). The cover (22) is connected to the second inlet tube (20), and the sealed container (17) is a bottle or a soft bag.