Perfusion chemotherapy dispensing device for medical oncology

By designing a chemotherapy dispensing device for oncology internal medicine, using components such as grinding cylinders, filter mesh, electric clips, measuring cylinders and stirring rods, the precipitation problem of the drug solution is solved, achieving uniform mixing of the drug solution and improving the therapeutic effect.

CN119113844AInactive Publication Date: 2024-12-13罗旭
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Patent Information

Application Number
CN202411364160.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-28
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the process of tumor chemotherapy and dispensing, precipitation is prone to occur when solid drugs are mixed with the drug solution after being grounded, which affects the therapeutic effect of the drug solution.

Method used

A medical oncology perfusion chemotherapy dispensing device is designed, including a milling mechanism, a proportioning mechanism and a mixing mechanism. Solid drugs are processed through a milling cylinder and a filter, and quantitative addition of drug liquid is achieved through an electric clip and a measuring cylinder. It is driven by a dual-axis motor. The mixing rod is mixed, and the mixing efficiency is improved by using an electric heating plate to avoid precipitation.

Benefits of technology

The uniform mixing of the medicine liquid is achieved, precipitation is avoided, the therapeutic effect of the medicine liquid is improved, and the uniformity and efficiency of the medicine is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a medical oncology perfusion chemotherapy dispensing device which comprises a box body and a mounting box, a grinding mechanism is arranged in the mounting box, a proportioning mechanism is arranged in the mounting box, a mixing mechanism is arranged in the box body, and a partition plate is fixed between the top wall and the bottom wall of an inner cavity of the mounting box. According to the perfusion chemotherapy medicine dispensing device for the medical oncology, solid medicine is put into a feeding cylinder, a first motor is started, the medicine is cut up by a smashing blade and ground by two grinding cylinders, the medicine falls into the upper surface of a filter screen through a plurality of grooves and is filtered by the filter screen, the solid medicine is ground, liquid medicine is conveyed into a left measuring cylinder, and the liquid medicine is conveyed into a right measuring cylinder. After the liquid medicine in the left side measuring cylinder reaches a quantitative value, liquid medicine conveying is stopped, another liquid medicine is communicated with the water storage device, a second motor is started, the right side measuring cylinder moves to the position below the drainage end of the water storage device, the liquid medicine is injected into the right side measuring cylinder, the liquid medicine is discharged into the box body, and the purpose of quantitative filling is achieved.
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Description

Technical Field

[0001] The invention relates to the technical field of oncology chemotherapy dispensing technology, in particular to an oncology perfusion chemotherapy dispensing device. Background Art

[0002] A tumor refers to a new growth formed by the proliferation of local tissue cells under the action of various tumorigenic factors. Because this new growth is mostly space-occupying, block-like protrusions, chemotherapy is often used to treat tumors. Chemotherapy is the abbreviation of chemical drug therapy. The treatment goal is achieved by using chemotherapeutic drugs to kill cancer cells. When treating tumors, it is necessary to dispense medicines according to the location of the tumor, and a special oncology perfusion chemotherapy dispensing device is required.

[0003] However, currently, solid drugs for treating tumors are ground and then mixed with other liquid medicines. Although the current chemotherapy drug preparation technology is very mature and the drug has outstanding ability to kill bacteria, the drugs are generally mixed and prepared at one time during preparation, which easily causes precipitation at the bottom of the prepared liquid medicine, which may affect the therapeutic effect of the liquid medicine. Therefore, the present application proposes an oncology internal medicine perfusion chemotherapy drug preparation device to solve the above problem. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a drug dispensing device for oncology internal medicine perfusion chemotherapy, which has the advantages of uniform mixing and avoiding precipitation. It solves the problem that the drug is generally mixed and prepared at one time, which easily causes precipitation at the bottom of the prepared drug solution and may affect the therapeutic effect of the drug solution.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a drug dispensing device for intravenous chemotherapy in oncology, comprising a box body and an installation box, wherein a grinding mechanism is provided inside the installation box, a proportioning mechanism is provided inside the installation box, a mixing mechanism is provided inside the box body, and a partition is fixed between the top wall and the bottom wall of the inner cavity of the installation box;

[0006] The grinding mechanism includes a feed cylinder fixedly connected to the upper surface of the installation box, a support plate is horizontally fixed between the partition and the right side wall of the inner cavity of the installation box, a first motor is fixed to the lower surface of the support plate, a connecting column is fixed to the outer side of the output shaft of the first motor, two connecting rods are rotatably connected to the outer side of the connecting column through a bearing, a grinding cylinder is fixed to the outer side of the two connecting rods, and a filter is fixed between the partition and the right side wall of the inner cavity of the installation box;

[0007] The proportioning mechanism includes a second motor fixed on the upper surface of the installation box, a fixing rod is fixed on the outer side of the output shaft of the second motor, a connecting plate is fixed on the bottom end of the fixing rod, two electric clips are installed on the front of the connecting plate, measuring cylinders are placed inside the two electric clips, and the bottom ends of the two measuring cylinders are fixedly connected to electromagnetic valves, and the same guide cylinder is fixed between the installation box and the box body;

[0008] The mixing mechanism includes a dual-axis motor fixed on the right side of the box body, mounting rods are fixed to the outer sides of the output shafts at both ends of the dual-axis motor, first gears are fixed to the outer sides of the two mounting rods, second gears are meshed on the outer sides of the two first gears, abutment rods are fixed inside the two second gears, rotating rods are fixed to the left ends of the two abutment rods, and multiple stirring rods are fixed to the outer sides of the two rotating rods.

[0009] Furthermore, a bottom plate is fixed to the lower surface of the box body, and a wheel set is fixed to the lower surface of the bottom plate.

[0010] Furthermore, a plurality of crushing blades are fixed on the outside of the connecting column and above the two grinding cylinders, and the filter screen is placed at an angle.

[0011] Furthermore, the upper surface of the support plate is provided with a plurality of grooves extending to the lower surface of the support plate, and the two grinding cylinders are movably fitted on the upper surface of the support plate.

[0012] Furthermore, a same flow cylinder is fixed between the installation box and the box body, and a valve is fixed inside the flow cylinder.

[0013] Furthermore, a water reservoir is fixed on the upper surface of the installation box, and a drainage end of the water reservoir passes through the upper surface of the installation box and extends to the interior of the installation box and is located vertically above the left measuring cylinder.

[0014] Furthermore, the guide tube is located vertically below the left measuring tube, and scale lines are sprayed on the outer sides of the two measuring tubes.

[0015] Furthermore, the two mounting rods are rotatably connected to the box body via sealed bearings, and the two rotating rods are rotatably connected to the left and right side walls of the inner cavity of the box body via sealed bearings.

[0016] Furthermore, a drainage pipe is fixedly connected to the front of the box body, a box door is installed on the front of the installation box, and a visual window is installed on the front of the box door.

[0017] Furthermore, two electric heating plates are fixed to the bottom wall of the inner cavity of the box, and electric heating wires are installed inside the two electric heating plates.

[0018] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0019] 1. The oncology internal medicine perfusion chemotherapy dispensing device puts solid medicine into the inside of the feed cylinder, then starts the first motor, uses the crushing blade to chop the solid medicine, and then the medicine is ground by two grinding cylinders, so that the medicine falls into the upper surface of the filter through multiple grooves and is filtered by the filter. The filtered medicine falls into the inside of the box to be mixed with subsequent medicine liquid, thereby achieving the purpose of facilitating the grinding of solid medicines, and by transmitting the medicine liquid to the inside of the left measuring cylinder, when the medicine liquid in the left measuring cylinder reaches the quantitative value, the delivery of the medicine liquid is stopped, the medicine liquid is discharged into the inside of the box, another medicine liquid is connected to the water reservoir, and the second motor is started to move the right measuring cylinder to the vertical bottom of the water reservoir drainage end, and then the medicine liquid is injected into the right measuring cylinder, and then the medicine liquid is discharged into the inside of the box, thereby achieving the purpose of quantitative perfusion.

[0020] 2. The oncology internal medicine perfusion chemotherapy dispensing device drives a dual-axis motor so that two rotating rods start to drive multiple stirring rods to mix the liquid medicine with solid drug powder. The two electric heating plates can improve the mixing efficiency, and finally the mixed liquid medicine is discharged through a drain pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the grinding mechanism of the present invention;

[0023] Figure 3 It is a schematic diagram of the proportioning mechanism of the present invention;

[0024] Figure 4 It is a schematic diagram of the mixing mechanism of the present invention.

[0025] In the figure: 1 box body, 2 grinding mechanism, 201 feeding cylinder, 202 supporting plate, 203 first motor, 204 connecting column, 205 connecting rod, 206 grinding cylinder, 207 filter screen, 3 mounting box, 4 proportioning mechanism, 401 second motor, 402 fixing rod, 403 connecting plate, 404 electric clamp, 405 measuring cylinder, 406 solenoid valve, 407 guide cylinder, 5 partition, 6 bottom plate, 7 mixing mechanism, 701 dual-axis motor, 702 mounting rod, 703 first gear, 704 second gear, 705 abutting rod, 706 rotating rod, 707 stirring rod, 8 wheel group. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1 In this embodiment, a drug dispensing device for oncology perfusion chemotherapy includes a box body 1 and an installation box 3. A grinding mechanism 2 is provided inside the installation box 3, a proportioning mechanism 4 is provided inside the installation box 3, a mixing mechanism 7 is provided inside the box body 1, and a partition 5 is fixed between the top wall and the bottom wall of the inner cavity of the installation box 3.

[0028] In this embodiment, a bottom plate 6 is fixed to the lower surface of the box body 1, and a wheel group 8 is fixed to the lower surface of the bottom plate 6. The wheel group 8 can make the oncology internal medicine perfusion chemotherapy dispensing device easy to move. The same flow tube is fixed between the installation box 3 and the box body 1, and a valve is fixed inside the flow tube. The front of the box body 1 is fixedly connected with a drain pipe, and a box door is installed on the front of the installation box 3. A visual window is installed on the front of the box door. Two electric heating plates are fixed to the bottom wall of the inner cavity of the box body 1. The two electric heating plates can improve the mixing efficiency. Finally, the mixed liquid medicine is discharged through the drain pipe. Electric heating wires are installed inside the two electric heating plates. The electric heating wire is a resistance wire that can withstand high temperature and has a large heat output and is specially used for generating heat. The main function of the electric heating wire is to generate heat and has a heating effect on the liquid medicine inside the box body 1.

[0029] See also Figure 2 In order to grind solid medicines, the grinding mechanism 2 in this embodiment includes a feed cylinder 201 fixedly connected to the upper surface of the installation box 3, a support plate 202 is horizontally fixed between the partition 5 and the right side wall of the inner cavity of the installation box 3, a first motor 203 is fixed to the lower surface of the support plate 202, a connecting column 204 is fixed to the outer side of the output shaft of the first motor 203, two connecting rods 205 are rotatably connected to the outer side of the connecting column 204 through bearings, grinding cylinders 206 are fixed to the outer sides of the two connecting rods 205, and a filter screen 207 is fixed between the partition 5 and the right side wall of the inner cavity of the installation box 3.

[0030] In this embodiment, a plurality of crushing blades are fixed on the outer side of the connecting column 204 and above the two grinding cylinders 206. The solid medicines of oncology are placed into the feeding cylinder 201 and then the first motor 203 is started, so that the first motor 203 drives the connecting column 204 to rotate and the solid medicines are chopped by the crushing blades. The filter screen 207 is placed at an angle, and a plurality of grooves extending to the lower surface of the support plate 202 are provided on the upper surface of the support plate 202. The two grinding cylinders 206 are movably fitted on the upper surface of the support plate 202. The medicines are ground by the two grinding cylinders 206, so that the medicines fall into the upper surface of the filter screen 207 through the plurality of grooves and are filtered by the filter screen 207. The filtered medicines fall into the interior of the box 1 for mixing with subsequent liquid medicines.

[0031] It should be noted that solid medicines are placed in the feed barrel 201, and then the first motor 203 is started, and the solid medicines are chopped by the crushing blades, and then the medicines are ground by two grinding barrels 206, so that the medicines fall into the upper surface of the filter 207 through multiple grooves and are filtered by the filter 207. The filtered medicines fall into the interior of the box 1 to facilitate mixing with subsequent medicine liquid, thereby achieving the purpose of grinding solid medicines.

[0032] See also Figure 3 In order to quantitatively perfuse, the proportioning mechanism 4 in this embodiment includes a second motor 401 fixed on the upper surface of the installation box 3, a fixing rod 402 is fixed to the outer side of the output shaft of the second motor 401, a connecting plate 403 is fixed to the bottom end of the fixing rod 402, two electric clips 404 are installed on the front of the connecting plate 403, and measuring cylinders 405 are placed inside the two electric clips 404. The bottom ends of the two measuring cylinders 405 are fixedly connected to the electromagnetic valve 406, and the same guide cylinder 407 is fixed between the installation box 3 and the box body 1.

[0033] In this embodiment, a water reservoir is fixed on the upper surface of the installation box 3, and the drainage end of the water reservoir passes through the upper surface of the installation box 3 and extends to the interior of the installation box 3 and is located vertically above the left measuring cylinder 405. The external medicine liquid is fixedly connected with the liquid inlet end of the water reservoir through an external pipeline, and then the medicine liquid is transmitted to the interior of the left measuring cylinder 405. When the medicine liquid in the left measuring cylinder 405 reaches the quantitative value, the transportation of the medicine liquid is stopped and the medicine liquid is discharged into the interior of the box body 1. The guide cylinder 407 is located vertically below the left measuring cylinder 405, and another medicine liquid is connected to the water reservoir. The second motor 401 is started, so that the fixing rod 402 drives the connecting plate 403 to rotate, so that the right measuring cylinder 405 moves to the vertical below the drainage end of the water reservoir, and then the medicine liquid is injected into the right measuring cylinder 405, and then the medicine liquid is discharged into the interior of the box body 1. The outer sides of the two measuring cylinders 405 are sprayed with scale lines.

[0034] It should be noted that, by transferring the medicine liquid to the interior of the left measuring cylinder 405, when the medicine liquid in the left measuring cylinder 405 reaches the quantitative value, the delivery of the medicine liquid is stopped, and the medicine liquid is discharged into the interior of the box 1, another medicine liquid is connected to the water reservoir, and the second motor 401 is started to move the right measuring cylinder 405 to the vertical bottom of the water reservoir drainage end, and then the medicine liquid is injected into the right measuring cylinder 405, and then the medicine liquid is discharged into the interior of the box 1, thereby achieving the purpose of quantitative perfusion.

[0035] See also Figure 4 In order to mix the solid medicine with the liquid medicine, the mixing mechanism 7 in this embodiment includes a dual-axis motor 701 fixed to the right side of the box body 1, and mounting rods 702 are fixed to the outer sides of the output shafts at both ends of the dual-axis motor 701, and first gears 703 are fixed to the outer sides of the two mounting rods 702. Second gears 704 are meshed with the outer sides of the two first gears 703, and abutment rods 705 are fixed inside the two second gears 704. Rotating rods 706 are fixed to the left ends of the two abutment rods 705, and multiple stirring rods 707 are fixed to the outer sides of the two rotating rods 706.

[0036] In this embodiment, the two mounting rods 702 are rotationally connected to the box body 1 through sealed bearings, and the two rotating rods 706 are rotationally connected to the left and right side walls of the inner cavity of the box body 1 through sealed bearings. By driving the dual-axis motor 701, the first gears 703 on the upper and lower sides respectively drive the second gears 704 on the upper and lower sides to rotate, so that the two rotating rods 706 start to drive multiple stirring rods 707 to mix the liquid medicine and the solid drug powder.

[0037] It should be noted that by driving the dual-axis motor 701, the two rotating rods 706 start to drive multiple stirring rods 707 to mix the liquid medicine with the solid medicine powder. The use of two electric heating plates can improve the mixing efficiency, and finally the mixed liquid medicine is discharged through the discharge pipe.

[0038] It can be understood that the electrical components appearing in the text are all electrically connected to the main controller and the power supply and the electrical components appearing in the text are all conventionally known devices, and this application will not go into too much detail. The main controller can be a conventionally known device that controls a computer, etc. The control circuit of the main controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and circuit connection in detail. At the same time, the parts not described in detail in the present invention are all common technologies of technicians in this field.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0040] The working principle of the above embodiment is:

[0041] (1) When the oncology infusion chemotherapy dispensing device is needed, solid oncology drugs are placed into the feed barrel 201, and then the first motor 203 is started, so that the first motor 203 drives the connecting column 204 to rotate, and the solid drugs are chopped by the crushing blade, and then the drugs are ground by two grinding barrels 206, so that the drugs fall into the upper surface of the filter screen 207 through multiple grooves and are filtered by the filter screen 207. The filtered drugs fall into the interior of the box 1 for mixing with subsequent drug solutions.

[0042] (2) The external medicine liquid is fixedly connected to the liquid inlet end of the water reservoir through the external pipeline, and then the medicine liquid is transmitted to the inside of the left measuring cylinder 405. When the medicine liquid in the left measuring cylinder 405 reaches the quantitative value, the delivery of the medicine liquid is stopped and the medicine liquid is discharged into the inside of the box 1. Another medicine liquid is connected to the water reservoir, and the second motor 401 is started so that the fixed rod 402 drives the connecting plate 403 to rotate, so that the right measuring cylinder 405 moves to the vertical bottom of the water reservoir discharge end, and then the medicine liquid is injected into the right measuring cylinder 405, and then the medicine liquid is discharged into the inside of the box 1. At this time, by driving the dual-axis motor 701, the first gears 703 on the upper and lower sides respectively drive the second gears 704 on the upper and lower sides to rotate, so that the two rotating rods 706 start to drive the multiple stirring rods 707 to mix the medicine liquid and the solid medicine powder. The use of two electric heating plates can improve the mixing efficiency. Finally, the mixed medicine liquid is discharged through the discharge pipe.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A drug dispensing device for intravenous chemotherapy in oncology, comprising a housing (1) and an installation box (3), characterized in that: A grinding mechanism (2) is provided inside the installation box (3), a proportioning mechanism (4) is provided inside the installation box (3), a mixing mechanism (7) is provided inside the box body (1), and a partition plate (5) is fixed between the top wall and the bottom wall of the inner cavity of the installation box (3); The grinding mechanism (2) comprises a feed cylinder (201) fixedly connected to the upper surface of the installation box (3); a support plate (202) is horizontally fixed between the partition (5) and the right side wall of the inner cavity of the installation box (3); a first motor (203) is fixed to the lower surface of the support plate (202); a connecting column (204) is fixed to the outer side of the output shaft of the first motor (203); two connecting rods (205) are rotatably connected to the outer side of the connecting column (204) via bearings; grinding cylinders (206) are fixed to the outer sides of the two connecting rods (205); and a filter screen (207) is fixed between the partition (5) and the right side wall of the inner cavity of the installation box (3); The proportioning mechanism (4) comprises a second motor (401) fixed on the upper surface of the installation box (3); a fixing rod (402) is fixed on the outer side of the output shaft of the second motor (401); a connecting plate (403) is fixed on the bottom end of the fixing rod (402); two electric clamps (404) are installed on the front side of the connecting plate (403); measuring cylinders (405) are placed inside the two electric clamps (404); the bottom ends of the two measuring cylinders (405) are fixedly connected to electromagnetic valves (406); and a same flow guide cylinder (407) is fixed between the installation box (3) and the box body (1); The mixing mechanism (7) comprises a double-shaft motor (701) fixed on the right side of the housing (1); mounting rods (702) are fixed to the outer sides of the output shafts at both ends of the double-shaft motor (701); first gears (703) are fixed to the outer sides of the two mounting rods (702); second gears (704) are meshed on the outer sides of the two first gears (703); abutment rods (705) are fixed inside the two second gears (704); rotating rods (706) are fixed to the left ends of the two abutment rods (705); and a plurality of stirring rods (707) are fixed to the outer sides of the two rotating rods (706).

2. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: A bottom plate (6) is fixed to the lower surface of the box body (1), and a wheel set (8) is fixed to the lower surface of the bottom plate (6).

3. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: A plurality of crushing blades are fixed on the outside of the connecting column (204) and above the two grinding cylinders (206), and the filter screen (207) is placed at an angle.

4. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: The upper surface of the support plate (202) is provided with a plurality of grooves extending to the lower surface of the support plate (202), and the two grinding cylinders (206) are movably fitted on the upper surface of the support plate (202).

5. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: The same flow cylinder is fixed between the installation box (3) and the box body (1), and a valve is fixed inside the flow cylinder.

6. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: A water reservoir is fixed on the upper surface of the installation box (3), and a drainage end of the water reservoir penetrates the upper surface of the installation box (3) and extends into the interior of the installation box (3) and is located vertically above the left measuring cylinder (405).

7. The oncology intravenous chemotherapy drug dispensing device according to claim 5, characterized in that: The guide tube (407) is located vertically below the left measuring tube (405), and scale lines are sprayed on the outer sides of the two measuring tubes (405).

8. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: The two mounting rods (702) are rotatably connected to the box body (1) via sealed bearings, and the two rotating rods (706) are rotatably connected to the left and right side walls of the inner cavity of the box body (1) via sealed bearings.

9. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: The front of the box body (1) is fixedly connected to a liquid discharge pipe, the front of the installation box (3) is equipped with a box door, and the front of the box door is equipped with a visual window.

10. The oncology intravenous chemotherapy drug dispensing device according to claim 1, characterized in that: Two electric heating plates are fixed to the bottom wall of the inner cavity of the box body (1), and electric heating wires are installed inside the two electric heating plates.