Adjustable medical ampoule bottle opener with built-in grinding wheel

By incorporating a built-in grinding wheel linkage mechanism and telescopic structure design, the ampoule bottle can be automatically ground and broken, solving the safety and efficiency problems of existing ampoule bottle opening tools and providing a safe and efficient ampoule bottle opener.

CN224226636UActive Publication Date: 2026-05-12TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
Filing Date
2025-03-26
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing ampoule opening tools are prone to causing hand cuts, debris contaminating the medication, and have low operating efficiency. Independent grinding wheels are easily lost or inconvenient to disinfect.

Method used

Design an adjustable medical ampoule opener with a built-in grinding wheel. The grinding wheel plate is automatically adjusted through a linkage mechanism and a telescopic structure. Combined with the linkage of the pressing rod and the tightening rod, the ampoule can be automatically ground and broken.

Benefits of technology

提高了安瓿瓶开启的安全性和效率,避免了手部划伤和碎屑污染,且结构紧凑便于消毒。

✦ Generated by Eureka AI based on patent content.

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    Figure CN224226636U_ABST
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Abstract

The utility model discloses an adjustable medical ampoule opener with a built-in grinding wheel, which comprises a shell, the middle of the lower surface of the shell is concavely provided with a groove, the top of the shell is provided with a pressing rod, the lower end of the pressing rod extends into the shell, and a vertical telescopic structure is arranged between the lower end of the pressing rod and the shell. Linkage mechanisms are arranged on the portions, located on the two opposite sides of the pressing rod, in the shell, grinding wheel plates are arranged below the linkage mechanisms on the two sides in the shell through horizontal telescopic structures, and through holes for the grinding wheel plates to stretch into the groove are formed in the inner side wall of the groove. The ampoule bottle is inserted into the lower portion of the shell, a pressing rod is pressed down, the pressing rod can drive a vertical rod to move upwards through a first gear, the vertical rod pushes a transverse plate to move through a second gear and a third gear, the transverse plate conveniently drives a grinding wheel plate to abut against the surface of the ampoule bottle, and at the moment, only the device needs to be screwed; and the grinding wheel plate can be driven to grind the ampoule bottle, and the ampoule bottle can be driven to be broken off to complete opening by pulling the device.
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Description

Technical Field

[0001] This utility model relates to the field of ampoule opening technology, specifically an adjustable medical ampoule opener with a built-in grinding wheel. Background Technology

[0002] Ampoules are commonly made by firing glass tubes and are widely used to hold injectable preparations and high-purity chemicals that must be kept away from air.

[0003] Currently available ampoules require a grinding wheel to score the neck before opening. Medical staff often have to break the neck by hand, which can easily lead to uneven force causing glass shards that cut fingers or contaminate medication. Existing grinding wheels are mostly separate accessories, easily lost or difficult to sterilize, and require multiple rotations during cutting, resulting in low efficiency. To address these issues, an innovative design has been developed based on existing ampoule openers. Utility Model Content

[0004] The purpose of this invention is to provide an adjustable medical ampoule opener with a built-in grinding wheel to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes a housing, with a groove recessed inward at the center of the lower surface of the housing for a medical ampoule to extend into. A pressing rod is mounted on the top of the housing via a slot. The lower end of the pressing rod extends into the housing and is connected to the housing via a vertical telescopic structure. Linkage mechanisms are respectively provided on opposite sides of the pressing rod inside the housing. A grinding wheel is provided below the linkage mechanisms on both sides of the housing via a horizontal telescopic structure. A through hole is provided on the inner wall of the groove for the grinding wheel to extend into the groove.

[0006] Preferably, the linkage mechanism includes a first gear, a vertical rod, a second gear, and a third gear. The first gear is connected to both sides of the pressing rod, and the vertical rod is connected to the side of the first gear away from the pressing rod. The pressing rod is driven by the first gear on both sides and the corresponding vertical rod. The second gear is connected to the lower part of the side of the vertical rod away from the first gear, and the third gear is meshed with the lower side of the second gear. The vertical rod is driven by the second gear and the corresponding third gear. The horizontal telescopic structure is horizontally driven by the lower side of the third gear, and the grinding wheel plate facing the through hole is installed at the end of the horizontal telescopic structure.

[0007] Preferably, the pressing rod has a first toothed block on its side wall, which meshes with the corresponding first gear, and the vertical rod has a second toothed block on its side wall, which meshes with the first gear and the second gear respectively.

[0008] Preferably, the first toothed blocks are evenly distributed at equal intervals on the side wall of the pressing rod, and the second toothed blocks are evenly distributed at equal intervals on the side wall of the vertical rod.

[0009] Preferably, the horizontal telescopic structure includes a horizontal plate, and a third toothed block is provided on the upper surface of the horizontal plate. The third toothed block meshes with the third gear, and the third gear can drive the horizontal plate through the third toothed block to drive the grinding wheel plate to extend horizontally into the groove and abut against the medical ampoule that extends into the groove from below.

[0010] Preferably, the vertical telescopic structure includes a return spring, the upper end of which is connected to the lower end of the pressing rod, and the lower end of which is connected to the inner bottom wall of the slot.

[0011] Preferably, a clamping rod is installed on each of the opposite sides of the groove on the outer shell. The clamping rods on both sides can extend into the groove and clamp the medical ampoule that extends into the groove from below.

[0012] Preferably, the clamping rod is threadedly connected to the housing, and a rubber pad is provided at one end of the clamping rod.

[0013] Preferably, the clamping rods located on opposite sides of the groove and the grinding wheel plates located on opposite sides of the groove are arranged in a cross shape.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This adjustable medical ampoule opener with a built-in grinding wheel allows the ampoule to be inserted into the lower part of the outer shell. Pressing the pressing rod causes the pressing rod to drive the vertical rod upward through the first gear. The vertical rod then drives the horizontal plate to move through the second and third gears, making it convenient for the horizontal plate to drive the grinding wheel plate to press against the surface of the ampoule. At this time, simply turning the device will drive the grinding wheel plate to grind the ampoule. Bending the device will also cause the ampoule to break and be opened. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall front section of an adjustable medical ampoule opener with a built-in grinding wheel according to an embodiment of the present invention.

[0016] Figure 2 This is a schematic diagram of the connection structure between the vertical rod and the second gear according to an embodiment of the present invention;

[0017] Figure 3This is a cross-sectional view of the mounting structure of the clamping rod according to an embodiment of the present invention.

[0018] In the diagram: 1. Outer shell; 2. Pressing rod; 3. Return spring; 4. First toothed block; 5. First gear; 6. Vertical rod; 7. Second toothed block; 8. Second gear; 9. Third gear; 10. Horizontal plate; 11. Third toothed block; 12. Grinding wheel plate; 13. Tightening rod; 14. Rubber pad. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-3 This utility model provides an adjustable medical ampoule opener with a built-in grinding wheel, including a shell 1. The lower surface of the shell 1 has a recessed groove for the medical ampoule to extend into. A pressing rod 2 is installed on the top of the shell 1 through a slot. The lower end of the pressing rod 2 extends into the shell 1 and is connected to the shell 1 by a vertical telescopic structure. A linkage mechanism is provided on opposite sides of the pressing rod 2 inside the shell 1. A grinding wheel plate 12 is provided below the linkage mechanism on both sides of the shell 1 through a horizontal telescopic structure. A through hole is provided on the inner side wall of the groove for the grinding wheel plate 12 to extend into the groove. Pressing the pressing rod 2 drives the linkage mechanism to move the horizontal telescopic structure horizontally. The horizontal telescopic structure drives the grinding wheel plate 12 to extend horizontally into the groove and abut against the medical ampoule that extends into the groove from below. The medical ampoule can be polished by rotating the medical ampoule and the entire adjustable medical ampoule opener.

[0021] In one or more embodiments of this utility model, the linkage mechanism includes a first gear 5, a vertical rod 6, a second gear 8, and a third gear 9. The first gear 5 is connected to both sides of the pressing rod 2. The vertical rod 6 is connected to the side of the first gear 5 away from the pressing rod 2. The pressing rod 2 is driven by the first gear 5 on both sides and the corresponding vertical rod 6. The lower part of the side of the vertical rod 6 away from the first gear 5 is connected to the second gear 8. The lower side of the second gear 8 is meshed with the third gear 9. The vertical rod 6 is driven by the second gear 8 and the corresponding third gear 9. A horizontal telescopic structure is horizontally connected to the lower side of the third gear 9. A grinding wheel plate 12 facing the through hole is installed at the end of the horizontal telescopic structure. The first gear 5 facilitates the linkage between the pressing rod 2 and the vertical rod 6, and the second gear 8 facilitates the linkage between the vertical rod 6 and the third gear 9, thus facilitating the transmission connection between the pressing rod 2 and the grinding wheel plate 12. In use, simply pressing the pressing rod 2 lightly is sufficient to clamp the grinding wheel plate 12 against the medical ampoule.

[0022] In one or more embodiments of this utility model, a first toothed block 4 is provided on the side wall of the pressing rod 2, and the first toothed block 4 meshes with the corresponding first gear 5. A second toothed block 7 is provided on the side wall of the vertical rod 6, and the second toothed block 7 meshes with the first gear 5 and the second gear 8 respectively. The first toothed block 4 and the second toothed block 7 can easily realize the synchronous and precise transmission of the first gear 5 to the pressing rod 2 and the vertical rod 6 respectively, ensuring the continuity of the drive.

[0023] In one or more embodiments of this utility model, the first toothed blocks 4 are evenly distributed at equal intervals on the side wall of the pressing rod 2, and the second toothed blocks 7 are evenly distributed at equal intervals on the side wall of the vertical rod 6. This even distribution ensures more uniform force distribution during transmission, thereby facilitating precise coordination between the components.

[0024] In one or more embodiments of this utility model, the horizontal telescopic structure includes a horizontal plate 10, and a third toothed block 11 is provided on the upper surface of the horizontal plate 10. The third toothed block 11 meshes with a third gear 9, and the third gear 9 can drive the horizontal plate 10 through the third toothed block 11 to drive the grinding wheel plate 12 to extend horizontally into the groove and abut against the medical ampoule that extends into the groove from below. By providing the third toothed block 11, it is convenient to achieve precise engagement between the third gear 9 and the horizontal plate 10, ensuring that the grinding wheel plate 12 extends precisely horizontally from the through hole.

[0025] In one or more embodiments of this utility model, the vertical telescopic structure includes a return spring 3. The upper end of the return spring 3 is connected to the lower end of the pressing rod 2, and the lower end of the return spring 3 is connected to the inner bottom wall of the slot, so that the pressing rod 2 can be retracted downward into the slot of the outer shell 1. At the same time, the return spring 3 can push the pressing rod 2 upward to achieve automatic reset.

[0026] In one or more embodiments of this utility model, clamping rods 13 are respectively installed on opposite sides of the groove on the outer shell 1. The clamping rods 13 on both sides can extend into the groove and clamp the medical ampoule that extends into the groove from below.

[0027] Optionally, in one or more embodiments of this utility model, the clamping rod 13 is threadedly connected to the outer casing 1, and a rubber pad 14 is provided at one end of the clamping rod 13. By providing the clamping rod 13, the medical ampoule can be clamped more easily and better, ensuring the stability of grinding the medical ampoule. By providing the rubber pad 14, the end of the clamping rod 13 can buffer the medical ampoule, preventing the medical ampoule from being directly crushed.

[0028] Optionally, in one or more embodiments of the present invention, the clamping rods 13 located on opposite sides of the groove and the grinding wheel plates 12 located on opposite sides of the groove are arranged in a cross shape, so that the force on the medical ampoule is more balanced.

[0029] When using, according to Figures 1-3 As shown, first insert the ampoule into the bottom groove of the outer casing 1, and turn the clamping rod 13. The clamping rod 13 will move on the outer casing 1 through the thread until the clamping rod 13 clamps the ampoule through the rubber pad 14. Then press down the pressing rod 2, and the return spring 3 is compressed. The pressing rod 2 will push the vertical rod 6 upward through the first tooth block 4. The vertical rod 6 will push the second gear 8 to rotate through the second tooth block 7. The rotating second gear 8 will push the third gear 9 to rotate synchronously. The third gear 9 will push the horizontal plate 10 through the third tooth block 11 to drive the grinding wheel plate 12 to press against the surface of the ampoule. At this time, simply rotate the medical ampoule and the entire adjustable medical ampoule opener relative to each other to drive the grinding wheel plate 12 to grind the ampoule. By prying the device, the ampoule can be broken to complete the opening. Release the pressing rod 2, and the return spring 3 will drive the pressing rod 2 to return upward.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable medical ampoule opener with a built-in grinding wheel, characterized in that: The device includes a housing (1), with a groove recessed inward at the center of the lower surface of the housing (1) for inserting a medical ampoule. A pressing rod (2) is installed on the top of the housing (1) via a slot. The lower end of the pressing rod (2) extends into the housing (1) and is connected to the housing (1) via a vertical telescopic structure. Linkage mechanisms are provided on opposite sides of the pressing rod (2) inside the housing (1). A grinding wheel plate (12) is provided below the linkage mechanisms on both sides of the housing (1) via a horizontal telescopic structure. A through hole is provided on the inner side wall of the groove for the grinding wheel plate (12) to extend into the groove.

2. The adjustable medical ampoule opener with a built-in grinding wheel according to claim 1, characterized in that: The linkage mechanism includes a first gear (5), a vertical rod (6), a second gear (8), and a third gear (9). The first gear (5) is connected to both sides of the pressing rod (2). The vertical rod (6) is connected to the side of the first gear (5) away from the pressing rod (2). The pressing rod (2) is connected to the corresponding vertical rod (6) through the first gear (5) on both sides. The second gear (8) is connected to the lower part of the side of the vertical rod (6) away from the first gear (5). The third gear (9) is meshed with the lower side of the second gear (8). The vertical rod (6) is connected to the corresponding third gear (9) through the second gear (8). The horizontal telescopic structure is horizontally connected to the lower side of the third gear (9). The grinding wheel plate (12) facing the through hole is installed at the end of the horizontal telescopic structure.

3. The adjustable medical ampoule opener with a built-in grinding wheel according to claim 2, characterized in that: The pressing rod (2) has a first tooth block (4) on its side wall, which meshes with the corresponding first gear (5). The vertical rod (6) has a second tooth block (7) on its side wall, which meshes with the first gear (5) and the second gear (8) respectively.

4. The adjustable medical ampoule opener with a built-in grinding wheel according to claim 3, characterized in that: The first toothed blocks (4) are evenly distributed at equal intervals on the side wall of the pressing rod (2), and the second toothed blocks (7) are evenly distributed at equal intervals on the side wall of the vertical rod (6).

5. The adjustable medical ampoule opener with a built-in grinding wheel according to claim 2, characterized in that: The horizontal telescopic structure includes a horizontal plate (10), and a third tooth block (11) is provided on the upper surface of the horizontal plate (10). The third tooth block (11) meshes with the third gear (9), and the third gear (9) can drive the horizontal plate (10) through the third tooth block (11) to drive the grinding wheel plate (12) to extend horizontally into the groove and abut against the medical ampoule that extends into the groove from below.

6. The adjustable medical ampoule opener with a built-in grinding wheel according to claim 1, characterized in that: The vertical telescopic structure includes a return spring (3), the upper end of which is connected to the lower end of the pressing rod (2), and the lower end of which is connected to the inner bottom wall of the slot.

7. An adjustable medical ampoule opener with a built-in grinding wheel according to any one of claims 1-6, characterized in that: The outer casing (1) is equipped with clamping rods (13) on opposite sides of the groove. The clamping rods (13) on both sides can extend into the groove and clamp the medical ampoule that extends into the groove from below.

8. An adjustable medical ampoule opener with a built-in grinding wheel according to claim 7, characterized in that: The clamping rod (13) is threadedly connected to the outer shell (1), and a rubber pad (14) is provided at one end of the clamping rod (13).

9. An adjustable medical ampoule opener with a built-in grinding wheel according to claim 7, characterized in that: The clamping rods (13) located on opposite sides of the groove and the grinding wheel plates (12) located on opposite sides of the groove are arranged in a cross shape.