Tablet crushing device for clinical pharmacy

Abstract

The invention discloses a tablet crushing device for clinical pharmacy. The tablet crushing device comprises a box body and a grinding mechanism, the grinding mechanism comprises a driving motor, an infusion pump, a cooling guide pipe and a brush plate; a trapezoidal grinding cavity is formed in the box body, driving motors are symmetrically arranged on the two sides of the box body, and brush plates are detachably mounted on the left and right sides of the box body; a grinding wheel is integrally arranged on an output shaft of the driving motor; the grinding wheel is rotationally mounted in the trapezoidal grinding cavity, and an interlayer is formed in the grinding wheel for mounting the cooling guide pipe; the cooling guide pipe is a double-helix guide pipe, the head end and the tail end of the cooling guide pipe are respectively connected with an infusion pump, liquid is conveyed into the cooling guide pipe through the infusion pump at the head end, and the liquid in the cooling guide pipe is pumped through the infusion pump at the tail end, so that liquid circulation in the cooling guide pipe is realized, and the grinding wheel is cooled.

Description

Technical Field

[0001] This invention relates to the field of clinical pharmaceutical auxiliary device technology, specifically to a tablet crushing device for clinical pharmaceutical use. Background Technology

[0002] In clinical pharmacy practice, tablets are a common and convenient dosage form. However, in certain special circumstances, such as when a patient has difficulty swallowing, needs to adjust the dosage, or needs to change the administration method, it is necessary to crush the tablets into powder. Currently, the commonly used method for crushing tablets in clinical pharmacy mainly relies on manual operation, such as using a pestle and mortar. However, this crushing method is extremely inefficient, and ensuring that the tablets are uniformly crushed into powder may lead to inaccurate dosage and affect the therapeutic effect.

[0003] Therefore, in the existing technology, there are many mechanical crushing devices. However, in the crushing process of the existing crushing devices, the powder is prone to heat up and sticking together. More seriously, the heated crushing device can easily cause the active ingredients of the tablet to volatilize and denature, affecting the therapeutic effect of the tablet itself.

[0004] Therefore, this invention discloses a tablet crushing device for clinical pharmaceutical use, which realizes automated grinding and crushing of tablets and avoids the problem of the device overheating, which leads to the adhesion of drug powder and the volatilization and denaturation of drug components. Summary of the Invention

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution:

[0006] A tablet crushing device for clinical pharmaceutical use includes: a housing and a grinding mechanism;

[0007] The grinding mechanism includes a drive motor, a liquid pump, a cooling conduit, and a brush plate;

[0008] The box body is equipped with a trapezoidal grinding chamber, and drive motors are symmetrically arranged on both sides of the box body. Brush plates can be detachably installed on the left and right sides of the box body.

[0009] A grinding wheel is integrally mounted on the output shaft of the drive motor; the grinding wheel is rotatably installed inside the trapezoidal grinding cavity, and a cooling duct is installed inside the grinding wheel with a sandwich structure.

[0010] The cooling conduit is a double-helix conduit, with a liquid pump connected to both the head and the end of the cooling conduit. The liquid pump at the head delivers liquid into the cooling conduit, and the liquid pump at the end pumps out the liquid from the cooling conduit, thereby achieving liquid circulation inside the cooling conduit and cooling the grinding wheel.

[0011] Furthermore, a trapezoidal funnel is provided at the middle of the upper end of the box body to facilitate the addition of tablets into the trapezoidal grinding chamber through the trapezoidal funnel;

[0012] The lower middle part of the box is provided with a collection funnel combined with the lower end of the trapezoidal grinding chamber, which facilitates the collection of the crushed drug inside the trapezoidal grinding chamber;

[0013] The box body is equipped with brackets at all four corners at the bottom; the brackets are fitted with support plates at the bottom to ensure stable installation of the box body.

[0014] Furthermore, the brush plate is arrayed with several bristles;

[0015] The bristles on the brush plate abut against the grinding wheel inside the trapezoidal grinding cavity, and the bristles on the brush plate brush and clean the sticky powder on the rotating grinding wheel.

[0016] Furthermore, the outer wall of the grinding wheel is arrayed with several fine grinding teeth. The grinding wheels on both sides are synchronously rotated and rolled together by the symmetrically arranged drive motors on both sides to grind and crush the tablets that enter the trapezoidal grinding chamber.

[0017] Furthermore, the interlayer is 1-2 cm away from the outer wall of the grinding wheel to ensure heat transfer between the coolant and the outer wall of the grinding wheel, thereby achieving rapid cooling of the grinding wheel;

[0018] Furthermore, the liquid pumps at both the head and tail of the cooling conduit are integrated into the circulation module;

[0019] The circulation module is externally connected to the coolant storage device prepared by the hospital; the circulation module can adjust the coolant flow rate and regulate the cooling efficiency of the cooling pipe according to actual usage needs.

[0020] The beneficial effects of this invention are:

[0021] This invention discloses a tablet crushing device for clinical pharmaceutical use, comprising: a housing and a grinding mechanism; the grinding mechanism is provided with a grinding wheel synchronously rotating and grinding by a drive motor symmetrically arranged on both sides, and the fine grinding teeth arrayed on the outer wall of the grinding wheel, together with the synchronous rotating and grinding of the grinding wheel on both sides, can fully and uniformly crush the tablet into powder, effectively avoiding drug dosage errors caused by uneven crushing, ensuring therapeutic effect, and ensuring the crushing efficiency of the tablet;

[0022] The grinding wheel has a double-helix cooling conduit installed in a sandwich structure. A liquid pump circulates the liquid inside the cooling conduit, which can remove the heat generated during grinding and cool the grinding wheel. This prevents the device from overheating and causing the powder to stick together or the drug components to volatilize and degenerate, thus preserving the effective components and therapeutic effects of the drug to the greatest extent.

[0023] The device has detachable brush plates on both the left and right sides. The bristles arranged in an array on the brush plates can abut against the grinding wheel. During the rotation of the grinding wheel, the powder adhering to its surface can be brushed and cleaned to prevent powder residue from affecting the accuracy and hygiene of subsequent crushing. At the same time, the bristles brush off the powder, ensuring the accuracy of the quality of the tablets themselves during the grinding process. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0025] Figure 1 This is a schematic diagram of the overall structure of a tablet crushing device for clinical pharmaceutical use.

[0026] Figure 2 This is a schematic diagram of the overall structure of a tablet crushing device for clinical pharmaceutical use.

[0027] Figure 3 This is a cross-sectional schematic diagram of a tablet crushing device for clinical pharmaceutical use;

[0028] Figure 4 A is a partially enlarged structural schematic diagram of a tablet crushing device for clinical pharmaceutical use;

[0029] Figure 5 This is a schematic diagram of the connection structure between the cooling conduit and the integrated module of a clinical pharmaceutical tablet crushing device.

[0030] The attached diagram lists the components represented by each number as follows:

[0031] 1-Box body, 1001-Trapezoidal grinding chamber, 101-Trapezoidal funnel, 102-Bracket, 1021-Pattern, 2-Drive motor, 201-Grinding wheel, 2011-Grinding teeth, 202-Interlayer, 3-Circulation module, 301-Cooling pipe, 4-Brush plate, 401-Brush bristles. Detailed Implementation

[0032] This invention discloses a tablet crushing device for clinical pharmaceutical use, comprising: a housing 1 and a grinding mechanism;

[0033] The grinding mechanism includes a drive motor 2, a liquid pump, a cooling conduit, and a brush plate 4;

[0034] The box 1 is provided with a trapezoidal grinding chamber 1001 inside, and drive motors 2 are symmetrically arranged on both sides of the box 1. Brush plates 4 can be detachably installed on the left and right sides of the box 1.

[0035] The grinding wheel 201 is integrally mounted on the output shaft of the drive motor 2; the grinding wheel 201 is rotatably mounted inside the trapezoidal grinding cavity 1001, and a cooling duct is installed inside the grinding wheel 201 through a sandwich 202.

[0036] The cooling conduit is a double-helix conduit, with a liquid pump connected to both the head and the end. The liquid pump at the head delivers liquid into the cooling conduit, and the liquid pump at the end pumps out the liquid from the cooling conduit, thus achieving liquid circulation inside the cooling conduit and cooling the grinding wheel 201.

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention; obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0038] Example 1

[0039] This invention discloses a tablet crushing device for clinical pharmaceutical use, comprising: a housing 1 and a grinding mechanism; the grinding mechanism includes a drive motor 2, a liquid pump, a cooling conduit, and a brush plate 4; a trapezoidal grinding chamber 1001 is provided inside the housing 1, drive motors 2 are symmetrically arranged on both sides of the housing 1, and brush plates 4 are detachably installed on the left and right sides of the housing 1; a grinding wheel 201 is integrally provided on the output shaft of the drive motor 2; the grinding wheel 201 is rotatably installed inside the trapezoidal grinding chamber 1001, and a cooling conduit is installed in the interlayer 202 inside the grinding wheel 201; the cooling conduit is a double-helix conduit, and a liquid pump is connected to the head end and the end end of the cooling conduit respectively. The liquid pump at the head end delivers liquid into the cooling conduit, and the liquid pump at the end pumps out the liquid in the cooling conduit, realizing the liquid circulation inside the cooling conduit and cooling the grinding wheel 201;

[0040] In this embodiment, a trapezoidal funnel 101 is provided at the middle of the upper end of the box 1 to facilitate the addition of tablets into the trapezoidal grinding chamber 1001 through the trapezoidal funnel 101;

[0041] The lower middle part of the box 1 is provided with a collection funnel combined with the lower end of the trapezoidal grinding chamber 1001, which facilitates the collection of the crushed medicine inside the trapezoidal grinding chamber 1001;

[0042] Each of the four lower corners of the housing 1 is provided with a bracket 102; a support plate 1021 is provided at the lower end of the bracket 102 to ensure the stable installation of the housing 1;

[0043] In this embodiment, a plurality of bristles 401 are arrayed on the brush plate 4;

[0044] The bristles 401 on the brush plate 4 abut against the grinding wheel 201 inside the trapezoidal grinding cavity 1001, and the bristles 401 on the brush plate 4 brush and clean the adhering powder on the rotating grinding wheel 201.

[0045] In this embodiment, the outer wall of the grinding wheel 201 is arrayed with several fine grinding teeth 2011. The grinding wheels 201 on both sides are synchronously rotated and rolled together by the symmetrically arranged drive motors 2 on both sides to grind and crush the tablets that enter the trapezoidal grinding chamber 1001.

[0046] In this embodiment, the interlayer 202 is 1-2 cm away from the outer wall of the grinding wheel 201 to ensure that the coolant transfers heat to the outer wall of the grinding wheel 201 and achieves rapid cooling of the grinding wheel 201;

[0047] In this embodiment, the liquid pumps at both the head and end of the cooling conduit are integrated into the circulation module 3;

[0048] The circulation module 3 is externally connected to the coolant storage device prepared by the hospital; the circulation module 3 can adjust the flow rate of the coolant and regulate the cooling efficiency of the cooling pipe according to actual usage needs.

[0049] Example 2

[0050] like Figure 1-5 The diagram shows the device structure of the present invention. In this invention, to avoid the problems of low crushing efficiency and uneven particle size associated with traditional manual grinding, drive motors 2 are symmetrically arranged on both sides of the housing 1. The two drive motors 2 operate synchronously, and the grinding wheels 201 integrally mounted on their output shafts simultaneously rotate and grind within the trapezoidal grinding chamber 1001. The fine grinding teeth 2011 arrayed on the outer wall of the grinding wheels 201 can quickly and thoroughly grind and crush the tablets entering the trapezoidal grinding chamber 1001 during rotation. Compared to traditional manual grinding, this significantly improves crushing efficiency. Furthermore, the precise design of the grinding teeth 2011 and the cooperation of the symmetrical grinding wheels 201 ensure that the tablets are uniformly crushed, effectively solving the problem of uneven particle size.

[0051] A trapezoidal funnel 101 located at the upper center of the housing 1 facilitates medical staff in quickly and accurately pouring the tablets to be crushed into the trapezoidal grinding chamber 1001. During the grinding process, the double-helix cooling conduit installed in the internal interlayer 202 of the grinding wheel 201 plays a crucial role. The head and tail of the cooling conduit are connected to a liquid pump, which is integrated into the circulation module 3 and externally connected to the hospital's coolant storage device. The circulation module 3 can flexibly adjust the coolant flow rate according to actual usage needs, thereby precisely controlling the cooling efficiency. The double-helix structure optimizes the flow path of the coolant within the conduit, not only increasing the contact area with the grinding wheel 201 but also allowing the coolant to evenly absorb the heat generated by the grinding wheel 201, preventing the grinding wheel 201 from overheating and causing the powder to stick together, as well as the volatilization and denaturation of the active ingredients.

[0052] After the grinding is completed, the collection funnel at the lower center of the housing 1, combined with the lower end of the trapezoidal grinding chamber 1001, can collect the crushed powder for subsequent use. In addition, the brush plates 4, which can be detachably installed on the left and right sides of the housing 1, have arrayed bristles 401 that closely abut against the grinding wheel 201. When the grinding wheel 201 rotates, the bristles 401 can promptly brush away any powder adhering to its surface, keeping the grinding wheel 201 clean and preventing powder residue from affecting the accuracy and efficiency of the next grinding operation. The detachable design also facilitates the cleaning and replacement of the brush plates 4.

[0053] The brackets 102 at the four corners of the lower end of the housing 1 and the support plate 1021 at the lower end provide stable support for the entire device, ensuring that the device remains stable during operation and avoiding the impact of vibration and other factors on the grinding effect and the service life of the device.

[0054] Example 3

[0055] like Figure 1-5 The diagram shown is a schematic diagram of the device structure of the present invention. In the present invention, in order to avoid the problems that occur in the prior art, such as the crushing device easily getting hot during the crushing of the tablets, causing the powder to stick together, and more seriously, the heated crushing device easily causing the active ingredients of the tablets to volatilize and denature, affecting the therapeutic effect of the tablets themselves, a cooling conduit is provided.

[0056] The cooling conduit is a double-helix conduit, with a liquid pump connected to the head and the end of the cooling conduit respectively. The liquid pump at the head delivers liquid into the cooling conduit, and the liquid pump at the end pumps out the liquid in the cooling conduit, thereby realizing the liquid circulation inside the cooling conduit and cooling the grinding wheel 201.

[0057] The pumps at both the head and end of the cooling conduit are integrated into the circulation module 3.

[0058] The circulation module 3 is externally connected to the coolant storage device prepared by the hospital; the circulation module 3 can adjust the flow rate of the coolant and regulate the cooling efficiency of the cooling pipe according to actual usage needs.

[0059] In this embodiment, the jacket 202 on which the cooling conduit is installed is 1-2 cm away from the outer wall of the grinding wheel 201 to ensure that the coolant transfers heat to the outer wall of the grinding wheel 201 and achieves rapid cooling of the grinding wheel 201.

[0060] The double-helix structure of the cooling conduit maximizes the contact area between the cooling conduit and the grinding wheel 201 within the limited space of the grinding wheel 201 interlayer 202. Compared to ordinary straight pipes or simply curved cooling pipes 301, the double-helix shape can fit more tightly against the inner wall of the grinding wheel 201, allowing the coolant to more fully absorb the heat generated by the grinding wheel 201 during operation, thereby achieving a more efficient cooling effect.

[0061] The double-helix design allows for a more efficient flow path of the coolant within the conduit. As the coolant flows along this path, it is more evenly distributed across the grinding wheel 201, preventing localized undercooling or overheating. This uniform cooling helps maintain a consistent overall temperature of the grinding wheel 201, reducing deformation or wear caused by temperature differences, extending its lifespan, and ensuring stable tablet crushing performance.

[0062] The circulation module 3 of this device can adjust the coolant flow rate according to actual usage requirements, thereby precisely regulating the cooling efficiency of the cooling conduit. The heat generated by the grinding wheel 201 may vary when grinding different types and quantities of tablets. Through the precise control of the coolant flow rate by the circulation module 3, the cooling conduit can provide just the right cooling effect, whether under high load operation generating a large amount of heat or under low load operation generating less heat. This avoids both insufficient cooling leading to overheating of the grinding wheel 201 and excessive cooling causing energy waste and unnecessary cost increases.

[0063] In summary, this invention discloses a tablet crushing device for clinical pharmaceutical use, comprising: a housing 1 and a grinding mechanism; the grinding mechanism is configured such that the grinding wheels 201 are synchronously reversed and ground by drive motors 2 symmetrically arranged on both sides, and the fine grinding teeth 2011 arrayed on the outer wall of the grinding wheels 201, in conjunction with the synchronous reverse grinding of the grinding wheels 201 on both sides, can fully and uniformly crush the tablets into powder, effectively avoiding drug dosage errors caused by uneven crushing, ensuring therapeutic effect, and guaranteeing the tablet crushing efficiency;

[0064] The grinding wheel 201 has an internal jacket 202 for installing a double spiral cooling conduit. The liquid inside the cooling conduit is circulated by a liquid pump, which can remove the heat generated by grinding in time and cool the grinding wheel 201. This prevents the device from overheating and causing the powder to stick together and the drug components to volatilize and degenerate, thus preserving the effective components and therapeutic effects of the drug to the greatest extent.

[0065] The brush plates 4 can be detachably installed on the left and right sides of the device. The bristles 401 arranged in an array on the brush plates 4 can abut against the grinding wheel 201. During the rotation of the grinding wheel 201, the powder adhering to its surface can be brushed and cleaned to prevent the powder residue from affecting the accuracy and hygiene of the subsequent crushing work. At the same time, the bristles 401 brush off the powder, ensuring the accuracy of the quality of the tablets themselves during the tablet grinding process.

[0066] The preferred embodiments of the present invention disclosed above are only for the purpose of illustrating the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation described.

Claims

1. A tablet crushing device for clinical pharmaceutical use, characterized in that, include: Housing and grinding mechanism; The grinding mechanism includes a drive motor, a liquid pump, a cooling conduit, and a brush plate; The box body is equipped with a trapezoidal grinding chamber, and drive motors are symmetrically arranged on both sides of the box body. Brush plates can be detachably installed on the left and right sides of the box body. A grinding wheel is integrally mounted on the output shaft of the drive motor; the grinding wheel is rotatably installed inside the trapezoidal grinding cavity, and a cooling duct is installed inside the grinding wheel with a sandwich structure. The cooling conduit is a double-helix conduit, with a liquid pump connected to both the head and the end. The liquid pump at the head delivers liquid into the cooling conduit, and the liquid pump at the end pumps out the liquid from the cooling conduit, thus achieving liquid circulation inside the cooling conduit and cooling the grinding wheel.

2. The clinical pharmaceutical tablet crushing device according to claim 1, characterized in that, A trapezoidal funnel is provided at the upper middle part of the box body to facilitate the addition of tablets into the trapezoidal grinding chamber through the trapezoidal funnel; The lower middle part of the box is provided with a collection funnel combined with the lower end of the trapezoidal grinding chamber, which facilitates the collection of the crushed drug inside the trapezoidal grinding chamber; The box is equipped with brackets at all four corners of its lower end; the brackets are fitted with support plates at their lower ends to ensure stable installation of the box.

3. The clinical pharmaceutical tablet crushing device according to claim 1, characterized in that, The brush plate is arranged with several bristles in an array. The bristles on the brush plate abut against the grinding wheel inside the trapezoidal grinding cavity, and the bristles on the brush plate brush and clean the sticky powder on the rotating grinding wheel.

4. The clinical pharmaceutical tablet crushing device according to claim 1, characterized in that, The outer wall of the grinding wheel is arrayed with several fine grinding teeth. The grinding wheels on both sides work synchronously through symmetrically arranged drive motors, which cause the grinding wheels on both sides to rotate and grind together synchronously, thus grinding and crushing the tablets that enter the trapezoidal grinding chamber.

5. The clinical pharmaceutical tablet crushing device according to claim 1, characterized in that, The interlayer is 1-2 cm away from the outer wall of the grinding wheel, ensuring heat transfer between the coolant and the outer wall of the grinding wheel, thus achieving rapid cooling of the grinding wheel.

6. The clinical pharmaceutical tablet crushing device according to claim 1, characterized in that, The liquid pumps at both the head and end of the cooling conduit are integrated into the circulation module. The circulation module is externally connected to the coolant storage device prepared by the hospital; the circulation module can adjust the coolant flow rate and regulate the cooling efficiency of the cooling pipe according to actual usage needs.

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