Medicament mixing device for emergency treatment

By introducing a double stirring mechanism and an antifoaming mechanism into the emergency medication mixing device, the problems of low mixing uniformity and foaming were solved, achieving efficient mixing and foam elimination of the medication and improving the quality of the medication.

CN223800427UActive Publication Date: 2026-01-16AFFILIATED HOSPITAL OF JIANGXI UNIV OF TCM
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Patent Information

Application Number
CN202520402696.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing emergency medication mixing devices only perform one mixing operation, resulting in low mixing uniformity and efficiency. Furthermore, the mixing tank lacks a structure to eliminate foam, leading to a significant amount of foam mixed in the medication, making it inconvenient for immediate filling.

Method used

A mixing device including a first stirring mechanism and a second stirring mechanism was designed. The stirring blades are driven by a motor for the first stirring, and the liquid is pumped to the second stirring drum for the second stirring. An antifoaming mechanism is also provided to eliminate foam by using an ultrasonic antifoaming drum.

Benefits of technology

It achieves two different stirring methods for the liquid medicine, which significantly improves the mixing uniformity, and effectively eliminates foam through an ultrasonic defoaming mechanism to ensure the quality of the medicine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medicament mixing equipment, in particular to an emergency medicament mixing device which comprises a base, first stirring mechanisms are arranged on the outer side and the inner side of a first mixing cylinder, a second stirring mechanism is arranged at the top of the base, and the first stirring mechanisms and the second stirring mechanism are arranged in parallel. The motor in the running state drives the stirring blades to rotate, the stirring blades in the rotating state stir the liquid medicine in the first mixing barrel for the first time, and the second stirring barrel in the reciprocating rotating state stir the liquid medicine in the second mixing barrel for the second time; by means of the structure, the liquid medicine needing to be mixed can be stirred twice in different modes in one set of stirring procedures, the quality of the mixed liquid medicine is effectively improved, an ultrasonic generator in the ultrasonic defoaming cylinder generates ultrasonic high-frequency oscillation through the defoaming mechanism, the liquid degassing and defoaming effects are achieved, and the liquid medicine mixing efficiency is improved. And thus, foam of the medicament in the second stirring barrel is eliminated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a medicament mixing device for emergency department. BACKGROUND

[0002] The pharmacy department business compiles the drug plan according to the needs of hospital medical treatment, scientific research and teaching and the basic drug list, inquires and masters the drug technology and drug market information, provides various drugs of safe and effective, high quality and low price to the clinic, and timely and accurately allocates Chinese and western medicines according to the hospital doctor's prescription.

[0003] The medical staff in the emergency department needs to use the mixing device to mix the medicaments when adjusting the medicaments, so as to play a greater drug effect. The existing medicament mixing device for emergency department is to fill different types of medicaments into a mixing cylinder to achieve the purpose of mixing medicaments. However, the medicaments are usually mixed only once, resulting in low mixing uniformity efficiency. After the mixing of the medicaments in the existing mixing tank is completed, the medicaments will generate a lot of foam under the action of rotating mixing force and molecular volatilization. However, the existing mixing tank lacks a structure for eliminating foam, so that the medicaments mixed with a lot of foam are not convenient for immediate filling. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a medicament mixing device for emergency department to solve the problems of the existing device usually mixing medicaments only once, resulting in low mixing uniformity efficiency, and the existing mixing tank lacking a structure for eliminating foam, resulting in the medicaments mixed with a lot of foam being inconvenient for immediate filling.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a medicament mixing device for emergency department, comprising a base, a first mixing cylinder is arranged on the top of the base, a first cover is detachably connected to the top of the first mixing cylinder, a first stirring mechanism is arranged on the outside and inside of the first mixing cylinder, and a second stirring mechanism is arranged on the top of the base;

[0006] The first stirring mechanism comprises a motor, a discharge pipe, a liquid pump, a feeding pipe, a stirring rod and stirring blades.

[0007] The motor is fixedly installed on the top of the first cover, the discharge pipe is fixedly connected to the output end of the first mixing cylinder, the liquid pump is fixedly installed on the top of the base away from the first mixing cylinder, the input end of the feeding pipe is connected with one butt joint end of the liquid pump, the stirring rod is fixedly connected with the output shaft end of the motor, and the stirring blades are arranged on the surface of the stirring rod.

[0008] The second stirring mechanism comprises a base plate, a second stirring cylinder, a second cover, a first air cylinder, a half-tooth ring, a rack, a liquid level sensor and a liquid outlet pipe.

[0009] The bottom plate is fixedly connected to the top of the base away from the side of the liquid pump, the second stirring barrel is rotatably connected to the top of the bottom plate, the second cover is detachably connected to the top of the second stirring barrel, the first cylinder is fixedly installed on the top of the base away from the side of the bottom plate, the half-tooth ring is fixedly assembled on the outer wall of the second stirring barrel, the rack is fixedly assembled on the output end of the first cylinder, the liquid level sensor is arranged in the second stirring barrel, and the liquid outlet pipe is fixedly connected to the output end of the second stirring barrel.

[0010] The outer side and the inner side of the second stirring barrel are provided with a defoaming mechanism.

[0011] Preferably, the output shaft of the motor in the power-on state is used to drive the stirring blade to rotate through the stirring rod, and the stirring blade in the rotating state is used to perform the first stirring on the liquid medicine in the first mixing barrel.

[0012] Preferably, the second cover in the installed state is rotatably connected with the second stirring barrel, and a sealing element is arranged at the rotatable connection position of the second cover and the second stirring barrel.

[0013] Preferably, the discharge pipe is connected to the other connecting end of the liquid pump, and the output end of the feeding pipe is rotatably connected with the second cover.

[0014] Preferably, the half-tooth ring is engaged with the tooth groove of the rack, and the half-tooth ring in the engaged state is used to drive the second stirring barrel to reciprocate.

[0015] Preferably, the liquid level sensor is electrically connected with the first cylinder through a controller, and the second stirring barrel in the rotating state is used to perform the second stirring on the liquid medicine in the second stirring barrel.

[0016] Preferably, the defoaming mechanism comprises a second cylinder, a connecting rod, an ultrasonic defoaming barrel, an exhaust pipe and a suction pump.

[0017] The second cylinder is fixedly installed on the top of the second cover, the connecting rod is fixedly connected to the output end of the second cylinder, the ultrasonic defoaming barrel is arranged on one side of the connecting rod, the exhaust pipe is fixedly connected to the other output end of the second stirring barrel, the suction pump is arranged on the outer side of the exhaust pipe, and the connecting end of the suction pump is in communication with the inside of the exhaust pipe.

[0018] Compared with the prior art, the first stirring mechanism and the second stirring mechanism make the motor driving the stirring blade rotate in the running state, and the stirring blade in the rotating state stirs the liquid medicine in the first mixing cylinder for the first time, and then the liquid pump delivers the liquid medicine in the first mixing cylinder to the second stirring cylinder, so that the first cylinder drives the second stirring cylinder to run, and the second stirring cylinder in the reciprocating rotating state stirs the liquid medicine in it for the second time, so that the liquid medicine to be mixed can be stirred twice in different ways in one set of stirring process through the above structure, effectively improving the quality of the mixed liquid medicine, and through the defoaming mechanism, the ultrasonic defoaming cylinder inside the ultrasonic defoaming cylinder generates ultrasonic high-frequency oscillation, achieving the effect of liquid degassing and defoaming, and further eliminating the foam in the second stirring cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the first stirring mechanism structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the A structure in the utility model; Figure 2

[0022] Figure 4 It is a schematic diagram of the second stirring mechanism structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the defoaming mechanism structure of the utility model.

[0024] In the drawing: 1, base; 2, first mixing cylinder; 3, first cover; 4, first stirring mechanism; 401, motor; 402, discharge pipe; 403, liquid pump; 404, feed pipe; 405, stirring rod; 406, stirring blade; 5, second stirring mechanism; 501, bottom disc; 502, second stirring cylinder; 503, second cover; 504, first cylinder; 505, half-tooth ring; 506, rack; 507, liquid level sensor; 508, liquid outlet pipe; 6, defoaming mechanism; 601, second cylinder; 602, connecting rod; 603, ultrasonic defoaming cylinder; 604, exhaust pipe; 605, air pump. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. ​

[0026] Please refer to Figures 1-5 The utility model provides a kind of emergency medicine mixing device technical scheme: a kind of emergency medicine mixing device, including base 1, the top of base 1 is provided with first mixing cylinder 2, the top of first mixing cylinder 2 is detachably connected with first cover 3, the outside and inside of first mixing cylinder 2 are provided with first stirring mechanism 4, and the top of base 1 is provided with second stirring mechanism 5;

[0027] First stirring mechanism 4 includes motor 401, discharge pipe 402, liquid pump 403, feed pipe 404, stirring rod 405 and stirring blade 406;

[0028] Motor 401 is fixedly installed on the top of first cover 3, discharge pipe 402 is fixedly connected to the output end of first mixing cylinder 2, liquid pump 403 is fixedly installed on the top of base 1 away from one side of first mixing cylinder 2, the input end of feed pipe 404 is connected with one butt joint end of liquid pump 403, stirring rod 405 is fixedly connected to the output shaft end of motor 401, and stirring blade 406 is arranged on the surface of stirring rod 405;

[0029] Second stirring mechanism 5 includes bottom disc 501, second stirring cylinder 502, second cover 503, first cylinder 504, half-tooth ring 505, rack 506, liquid level sensor 507 and liquid outlet pipe 508;

[0030] Bottom disc 501 is fixedly connected to the top of base 1 away from one side of liquid pump 403, second stirring cylinder 502 is rotatably connected to the top of bottom disc 501, second cover 503 is detachably connected to the top of second stirring cylinder 502, first cylinder 504 is fixedly installed on the top of base 1 away from one side of bottom disc 501, half-tooth ring 505 is fixedly assembled on the outer wall of second stirring cylinder 502, rack 506 is fixedly assembled on the output end of first cylinder 504, liquid level sensor 507 is arranged in the inside of second stirring cylinder 502, and liquid outlet pipe 508 is fixedly connected to the output end of second stirring cylinder 502;

[0031] The outside and inside of second stirring cylinder 502 are provided with defoaming mechanism 6.

[0032] Please refer to Figure 2 The output shaft of motor 401 in power-on state is used to drive stirring blade 406 to rotate through stirring rod 405, and stirring blade 406 in rotating state is used to stir liquid medicine in first mixing cylinder 2 for the first time.

[0033] In the embodiment: the output shaft of motor 401 in running state drives stirring rod 405 to rotate, stirring rod 405 in rotating state drives stirring blade 406 to rotate, and stirring blade 406 in rotating state stirs liquid medicine in first mixing cylinder 2 for the first time.

[0034] Please refer to Figure 4 , the second cover 503 is rotatably connected with the second stirring barrel 502, and a sealing element is arranged at the rotatable connection position of the second cover 503 and the second stirring barrel 502.

[0035] In the embodiment, since the sealing element is arranged at the rotatable connection position of the second cover 503 and the second stirring barrel 502, the leakage of the liquid medicine between the second cover 503 and the second stirring barrel 502 is avoided.

[0036] Please refer to Figure 2 , the other end of the outlet pipe 402 is connected with the liquid pump 403, and the output end of the inlet pipe 404 is rotatably connected with the second cover 503.

[0037] In the embodiment, since the output end of the inlet pipe 404 is rotatably connected with the second cover 503, the interference between the second cover 503 and the inlet pipe 404 is avoided when the second stirring barrel 502 drives the second cover 503 to rotate.

[0038] Please refer to Figure 2 , the half-tooth ring 505 is engaged with the tooth groove of the rack 506, and the engaged half-tooth ring 505 and the rack 506 are used to drive the second stirring barrel 502 to reciprocatingly rotate.

[0039] In the embodiment, since the half-tooth ring 505 is engaged with the tooth groove of the rack 506, the moving rack 506 drives the second stirring barrel 502 to reciprocatingly rotate through the half-tooth ring 505.

[0040] Please refer to Figure 3 , the liquid level sensor 507 is electrically connected with the first cylinder 504 through the controller, and the rotating second stirring barrel 502 is used to secondly stir the liquid medicine in the second stirring barrel 502.

[0041] In the embodiment, when the receiving end of the liquid level sensor 507 in the second stirring barrel 502 detects the inflow of the liquid medicine, the transmitting end of the liquid level sensor 507 transmits the signal to the controller.

[0042] Please refer to Figure 4 , the defoaming mechanism 6 includes a second cylinder 601, a connecting rod 602, an ultrasonic defoaming barrel 603, an exhaust pipe 604 and an air pump 605.

[0043] The second cylinder 601 is fixedly installed on the top of the second cover 503, the connecting rod 602 is fixedly connected to the output end of the second cylinder 601, the ultrasonic defoaming cylinder 603 is arranged on one side of the connecting rod 602, the exhaust pipe 604 is fixedly connected to the other output end of the second stirring cylinder 502, the air pump 605 is arranged outside the exhaust pipe 604, and the butt joint end of the air pump 605 is in communication with the inside of the exhaust pipe 604.

[0044] In the embodiment: the second cylinder 601 is powered to operate, the output end of the operating second cylinder 601 drives the connecting rod 602, the ultrasonic defoaming cylinder 603 moves downward, the ultrasonic defoaming cylinder 603 in the descending state is inserted into the medicinal liquid, the ultrasonic generator in the ultrasonic defoaming cylinder 603 generates ultrasonic high-frequency oscillation, which is propagated to the medicinal liquid in the second stirring cylinder 502, due to the cavitation effect of the ultrasonic wave in the liquid, the cavitation effect generates impact force, so that the gas dissolved in the liquid is broken and separated, a large number of small bubbles in the liquid continuously condense into spherical large bubbles, and the broken bubbles are separated from the surface of the liquid, at this time, the air pump 605 is powered to operate, the operating air pump 605 exhausts air in the second stirring cylinder 502 through the exhaust pipe 604, the gas is discharged through the exhaust pipe 604, and the effect of liquid degassing and defoaming is achieved.

[0045] Working principle: first, the motor 401 is powered to operate, the output shaft of the operating motor 401 drives the stirring rod 405 to rotate, the rotating stirring rod 405 drives the stirring blade 406 to rotate, the rotating stirring blade 406 stirs the medicinal liquid in the first mixing cylinder 2 for the first time, when the medicinal liquid is stirred in the first mixing cylinder 2, the liquid pump 403 is powered to operate, the operating liquid pump 403 pumps the medicinal liquid out through the discharge pipe 402, and the operating liquid pump 403 further conveys the pumped medicinal liquid to the inside of the second stirring cylinder 502 through the feeding pipe 404.

[0046] At this time, the receiving end of the liquid level sensor 507 inside the second stirring cylinder 502 detects the inflow of the medicinal liquid, and the transmitting end of the liquid level sensor 507 transmits the signal to the controller, and the controller controls the first air cylinder 504 to be powered to operate, so that the output end of the operating first air cylinder 504 drives the rack 506 to move back and forth, and since the half-tooth ring 505 is engaged with the tooth groove of the rack 506, the moving rack 506 drives the second stirring cylinder 502 to rotate back and forth through the half-tooth ring 505 (it should be noted that since the output end of the feed pipe 404 is rotatably connected with the second cover 503, the second stirring cylinder 502 drives the second cover 503 to rotate to avoid interference with the feed pipe 404), and the second stirring cylinder 502 rotates back and forth to stir the medicinal liquid inside it for the second time, and finally the stirred medicinal liquid is discharged to the outside of the second stirring cylinder 502 through the liquid outlet pipe 508, so that the above structure can realize twice stirring of the medicinal liquid in different ways in one stirring process, thereby effectively improving the quality of the mixed medicinal liquid.

[0047] When it is necessary to eliminate the foam in the second stirring cylinder 502, first, the second air cylinder 601 is powered to operate, so that the output end of the operating second air cylinder 601 drives the ultrasonic defoaming cylinder 603 to move downward through the connecting rod 602, the ultrasonic defoaming cylinder 603 is inserted into the medicinal liquid in the descending state, and the ultrasonic generator in the ultrasonic defoaming cylinder 603 generates ultrasonic high-frequency oscillation, which is propagated to the medicinal liquid in the second stirring cylinder 502, and since the ultrasonic wave in the liquid will produce cavitation effect, the cavitation effect produces impact force, so that the gas dissolved in the liquid is broken and separated, a large number of small bubbles in the liquid are continuously condensed into spherical large bubbles, and the broken bubbles are separated from the liquid surface, at this time, the air pump 605 is powered to operate, so that the operating air pump 605 performs air extraction on the inside of the second stirring cylinder 502 through the exhaust pipe 604, and the gas is discharged through the exhaust pipe 604, thereby achieving the effect of liquid degassing and defoaming.

[0048] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An emergency medicine mixing device, comprising a base (1), the top of the base (1) is provided with a first mixing cylinder (2), the top of the first mixing cylinder (2) is detachably connected with a first cover (3), characterized in that: The first mixing barrel (2) is provided with a first stirring mechanism (4) on the outside and the inside, and the top of the base (1) is provided with a second stirring mechanism (5); The first stirring mechanism (4) comprises a motor (401), a discharge pipe (402), a liquid pump (403), a feeding pipe (404), a stirring rod (405) and stirring blades (406); The motor (401) is fixedly installed on the top of the first cover (3), the discharge pipe (402) is fixedly connected to the output end of the first mixing barrel (2), the liquid pump (403) is fixedly installed on the top of the base (1) away from one side of the first mixing barrel (2), one end of the feeding pipe (404) is connected to one end of the liquid pump (403), the stirring rod (405) is fixedly connected to the output shaft end of the motor (401), and the stirring blades (406) are arranged on the surface of the stirring rod (405). The second stirring mechanism (5) comprises a bottom disc (501), a second stirring barrel (502), a second cover (503), a first air cylinder (504), a half-tooth ring (505), a rack (506), a liquid level sensor (507) and a liquid outlet pipe (508). The bottom disc (501) is fixedly connected to the top of the base (1) away from one side of the liquid pump (403), the second stirring barrel (502) is rotatably connected to the top of the bottom disc (501), the second cover (503) is detachably connected to the top of the second stirring barrel (502), the first air cylinder (504) is fixedly installed on the top of the base (1) away from one side of the bottom disc (501), the half-tooth ring (505) is fixedly assembled on the outer wall of the second stirring barrel (502), the rack (506) is fixedly assembled on the output end of the first air cylinder (504), the liquid level sensor (507) is arranged in the second stirring barrel (502), and the liquid outlet pipe (508) is fixedly connected to one output end of the second stirring barrel (502). The second stirring barrel (502) is provided with a defoaming mechanism (6) on the outside and the inside.

2. The emergency medicine mixing device of claim 1, wherein: The output shaft of the motor (401) in the power-on state is used for driving the stirring blades (406) to rotate through the stirring rod (405), and the rotating stirring blades (406) are used for first stirring the liquid medicine in the first mixing barrel (2).

3. The emergency medicine mixing device of claim 1, wherein: The second cover (503) in the installed state is rotatably connected with the second stirring barrel (502), and a sealing element is arranged at the rotatable connection between the second cover (503) and the second stirring barrel (502).

4. The emergency medicine mixing device of claim 1, wherein: The other end of the liquid pump (403) is connected to the discharge pipe (402), and the output end of the feeding pipe (404) is rotatably connected to the second cover (503).

5. The emergency medicine mixing device of claim 1, wherein: The half-tooth ring (505) is engaged with the tooth groove of the rack (506), and the half-tooth ring (505) and the rack (506) in the engaged state are used for driving the second stirring barrel (502) to reciprocatingly rotate.

6. The emergency medicine mixing device of claim 1, wherein: The liquid level sensor (507) is electrically connected with the first cylinder (504) through a controller, and the rotating state of the second stirring barrel (502) is used for second stirring of the liquid medicine in the second stirring barrel (502).

7. The emergency medicine mixing device of claim 1, wherein: The defoaming mechanism (6) comprises a second cylinder (601), a connecting rod (602), an ultrasonic defoaming barrel (603), an exhaust pipe (604) and a gas suction pump (605). The second cylinder (601) is fixedly installed on the top of the second cover (503), the connecting rod (602) is fixedly connected to the output end of the second cylinder (601), the ultrasonic defoaming barrel (603) is arranged on one side of the connecting rod (602), the exhaust pipe (604) is fixedly connected to the other output end of the second stirring barrel (502), the gas suction pump (605) is arranged on the outer side of the exhaust pipe (604), and the butt joint end of the gas suction pump (605) is in communication with the inside of the exhaust pipe (604).