CN110848122B - Adjusting system and method of automatic medicine injection device - Google Patents
Adjusting system and method of automatic medicine injection device Download PDFInfo
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- CN110848122B CN110848122B CN201911012525.6A CN201911012525A CN110848122B CN 110848122 B CN110848122 B CN 110848122B CN 201911012525 A CN201911012525 A CN 201911012525A CN 110848122 B CN110848122 B CN 110848122B
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- injection device
- medicine injection
- automatic medicine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- General Engineering & Computer Science (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application discloses an adjusting system of an automatic medicine injection device, which comprises a control device, a pressure detection device and a pressure relief device, wherein the automatic medicine injection device, the pressure detection device and the pressure relief device are respectively and electrically connected with the control device; the automatic medicine injection device, the pressure detection device and the pressure relief device are sequentially connected through pipelines; the pressure detection device is used for detecting the pressure value of the liquid output by the automatic medicine injection device in real time and sending the pressure value to the control device; the control device is used for adjusting the blocking sensitivity of the automatic medicine injection device according to the pressure value. The application provides an automatic adjustment system of injection device, simple structure science, degree of automation is high, can realize the automatically regulated to automatic injection device's the sensitivity that blocks under the condition of no manual intervention, and easy operation has practiced thrift the cost of labor, has improved production efficiency.
Description
Technical Field
The application relates to the technical field of medical devices, in particular to an adjusting system and method of an automatic medicine injection device.
Background
The full-automatic injection pump needs to adjust the blockage sensitivity in the production inspection process, an operator needs to manually adjust the infusion parameters and the blockage sensitivity of the injection pump, and when the blockage is alarmed, whether the reading of a pressure gauge is within the technical requirement threshold value is judged. If the reading number is within the range, the adjustment of the blocking sensitivity is finished; otherwise, the above actions need to be repeated again by setting the infusion parameters and the occlusion sensitivity. The process is time-consuming, operation and implementation are difficult, and production efficiency is low.
An infusion pump blockage detection device among the prior art includes: the pressure sensor seat is arranged on the pump body of the infusion pump; the blocking pressure cap is arranged on the cover body of the infusion pump, a cavity is arranged between the blocking pressure cap and the pressure sensor seat, and the cavity is used for placing an infusion tube; the pressure sensor core is movably arranged on the pressure sensor seat through an elastic mechanism, and the first end and the blocking pressure cap jointly clamp the infusion tube; a magnet disposed at a second end of the pressure sensor core; the Hall sensor is arranged at a preset interval with the magnet in the moving direction of the pressure sensor core; the Hall plate is connected with the Hall and is used for converting a magnetic field generated by the displacement change between the magnet and the Hall into an electric signal; and the controller is used for detecting the blocking state of the infusion pump according to the electric signal. The device still needs manual operation when using, and degree of automation is not high.
Disclosure of Invention
The application aims to provide an adjusting system and method of an automatic medicine injection device. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to an aspect of an embodiment of the present application, there is provided an adjusting system of an automatic drug injection device, including a control device, a pressure detection device and a pressure relief device, where the automatic drug injection device, the pressure detection device and the pressure relief device are respectively electrically connected to the control device; the automatic medicine injection device, the pressure detection device and the pressure relief device are sequentially connected through pipelines;
the pressure detection device is used for detecting the pressure value of the liquid output by the automatic medicine injection device in real time and sending the pressure value to the control device;
the control device is used for adjusting the blocking sensitivity of the automatic medicine injection device according to the pressure value.
Further, the regulating system further comprises a liquid storage device, and the liquid storage device is used for receiving the liquid discharged by the pressure relief device.
Further, the control device is an upper computer; the pressure detection device is a digital pressure gauge; the pressure relief device is a pressure relief valve.
According to another aspect of the embodiments of the present application, there is provided an adjustment method of an automatic medicine injection device, including:
the pressure detection device detects the pressure value of the liquid output by the automatic medicine injection device in real time and sends the pressure value to the control device;
the control device compares the pressure value with a preset threshold range, if the pressure value does not belong to the preset threshold range, the blocking sensitivity of the automatic medicine injection device is adjusted according to the pressure value, and the adjusted blocking sensitivity is sent to the automatic medicine injection device;
the automatic medicine injection device calculates the corresponding motor rotating speed according to the adjusted blocking sensitivity, and outputs liquid by adopting the corresponding motor rotating speed;
and repeating the steps until the pressure value belongs to the preset threshold range.
Further, before the automatic drug injection device calculates the corresponding motor speed according to the adjusted blocking sensitivity, the method further includes:
the control device controls to close the automatic medicine injection device and controls to open the pressure relief device to discharge liquid.
Further, before the adopting the corresponding motor speed, the method further comprises:
the control device controls the pressure relief device to be closed and controls the automatic medicine injection device to be opened.
Further, the control opening pressure relief device discharges liquid, and comprises: and controlling to open the pressure relief device, and discharging liquid into the liquid storage device by the pressure relief device.
Further, the pressure value does not belong to the preset threshold range, and includes: the pressure value is larger than the upper limit value of the preset threshold range, or the pressure value is smaller than the lower limit value of the preset threshold range.
Further, the adjusting the occlusion sensitivity of the automatic medication injection device according to the pressure value comprises: if the pressure value is larger than the upper limit value of the preset threshold range, the blocking sensitivity is increased; and if the pressure value is smaller than the lower limit value of the preset threshold range, reducing the blocking sensitivity.
Further, the method further comprises: and the control device calculates the change rate of the pressure value, and reduces the size of the pressure relief cavity of the pressure relief device if the change rate is lower than a preset threshold value.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the adjusting system of automatic injection device that this application embodiment provided, simple structure science, degree of automation is high, can realize the automatically regulated to automatic injection device's the sensitivity that blocks under the condition of no manual intervention, and easy operation has practiced thrift the cost of labor, has improved production efficiency.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the application, or may be learned by the practice of the embodiments. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a method of adjusting an automatic medication injection device according to one embodiment of the present application;
FIG. 2 is a schematic diagram of the configuration of the regulating system of the automatic medication injection device according to another embodiment of the present application;
FIG. 3 is a schematic flow chart of adjusting blocking sensitivity according to another embodiment of the present application;
FIG. 4 is a schematic flow chart of adjusting the occlusion sensitivity down according to another embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic medication pump according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
An embodiment of the application provides an adjusting system of an automatic medicine injection device, which is used for adjusting the blocking sensitivity of the automatic medicine injection device and comprises a control device, a pressure detection device and a pressure relief device, wherein the automatic medicine injection device, the pressure detection device and the pressure relief device are respectively and electrically connected with the control device; the automatic medicine injection device, the pressure detection device and the pressure relief device are sequentially connected through pipelines;
the pressure detection device is used for detecting the pressure value of the liquid output by the automatic medicine injection device in real time and sending the pressure value to the control device;
the control device is used for adjusting the blocking sensitivity of the automatic medicine injection device according to the pressure value.
In some embodiments, the regulating system further comprises a reservoir for receiving fluid expelled by the pressure relief device.
In certain embodiments, the control device is an upper computer; the pressure detection device is a digital pressure gauge; the pressure relief device is a pressure relief valve.
As shown in fig. 1, the present embodiment further provides a method 001 for adjusting an automatic medication injection device, including:
s100, detecting the pressure value of the liquid output by the automatic medicine injection device in real time by a pressure detection device, and sending the pressure value to a control device;
s200, the control device compares the pressure value with a preset threshold range, if the pressure value does not belong to the preset threshold range, the blocking sensitivity of the automatic medicine injection device is adjusted according to the pressure value, and the adjusted blocking sensitivity is sent to the automatic medicine injection device;
s300, the automatic medicine injection device calculates the corresponding motor rotating speed according to the adjusted blocking sensitivity, and liquid is output by adopting the corresponding motor rotating speed;
and S400, repeating the steps S100 to S300 until the pressure value belongs to the preset threshold range.
In some embodiments, before the automatic medication injection device calculates the corresponding motor speed from the adjusted occlusion sensitivity, the method further comprises:
the control device controls to close the automatic medicine injection device and controls to open the pressure relief device to discharge liquid.
In some embodiments, prior to said employing said corresponding motor speed, said method further comprises:
the control device controls the pressure relief device to be closed and controls the automatic medicine injection device to be opened.
In some embodiments, the controlling the opening of the pressure relief device to vent the liquid comprises: and controlling to open the pressure relief device, and discharging liquid into the liquid storage device by the pressure relief device.
In some embodiments, the pressure value does not fall within the preset threshold range, including: the pressure value is larger than the upper limit value of the preset threshold range, or the pressure value is smaller than the lower limit value of the preset threshold range.
In some embodiments, said adjusting the occlusion sensitivity of said automatic medication injection device based on said pressure value comprises: if the pressure value is larger than the upper limit value of the preset threshold range, the blocking sensitivity is increased; and if the pressure value is smaller than the lower limit value of the preset threshold range, reducing the blocking sensitivity.
In certain embodiments, the method further comprises: and the control device calculates the change rate of the pressure value, and reduces the size of the pressure relief cavity of the pressure relief device if the change rate is lower than a preset threshold value.
As shown in fig. 2, another embodiment of the present application provides an adjustment system of an automatic medication injection device for adjusting an occlusion sensitivity of the automatic medication injection device 1, the adjustment system including: the control device 2, the pressure detection device 3 and the pressure relief device 4; the automatic medicine injection device 1, the pressure detection device 3 and the pressure relief device 4 are respectively electrically connected with the control device 2; the automatic medicine injection device 1, the pressure detection device 3 and the pressure relief device 4 are connected in sequence through pipelines;
the pressure detection device 3 is used for detecting the pressure value of the liquid output by the automatic medicine injection device 1 and sending the pressure value to the control device 2;
the control device 2 is used for controlling the opening and closing of the automatic medicine injection device 1, adjusting the blocking sensitivity of the automatic medicine injection device 1 according to the pressure value, and controlling the opening and closing of the pressure relief device 4.
In some embodiments, the regulating system further comprises a liquid storage device 5, wherein the liquid storage device 5 is used for receiving liquid discharged by the pressure relief device 4.
The present embodiment further provides an adjusting method 002 of an automatic drug injection device, including:
s1, starting the automatic medicine injection device 1, and pressurizing the liquid in the liquid storage part of the automatic medicine injection device 1 according to the initial blocking sensitivity to enable the liquid to be input into the pressure detection device 3 along a pipeline;
s2, the pressure detection device 3 detects and displays the pressure value of the liquid in real time and sends the pressure value detected in real time to the control device 2;
s3, the control device 2 compares the pressure value with a preset threshold range, and if the pressure value does not belong to the preset threshold range, the control device 2 adjusts the blocking sensitivity of the automatic drug injection device 1, and sends the adjusted blocking sensitivity to the automatic drug injection device 1;
s4, the control device 2 controls to close the automatic medicine injection device 1 and controls to open the pressure relief device 4, and the pressure relief device 4 discharges liquid; in some embodiments, the pressure relief device 4 vents liquid into the reservoir;
s5, calculating the corresponding motor rotating speed by the automatic medicine injection device 1 according to the adjusted blocking sensitivity;
s6, the control device 2 controls the pressure relief device 4 to be closed, controls the automatic medicine injection device 1 to be started, and the automatic medicine injection device 1 adopts the corresponding motor rotating speed to pressurize liquid in a liquid storage part of the automatic medicine injection device 1 so that the liquid is input into the pressure detection device 3 along a pipeline;
s7, repeating the steps S2-S6 until the pressure value belongs to the preset threshold range.
The pressure value not belonging to the preset threshold range comprises that the pressure value is larger than the upper limit value of the preset threshold range, and the pressure value is smaller than the lower limit value of the preset threshold range. As shown in fig. 3 and 4, when the pressure value is greater than the upper limit value of the preset threshold range, the occlusion sensitivity is increased; and when the pressure value is smaller than the lower limit value of the preset threshold range, the blocking sensitivity is reduced.
In some embodiments, in the adjusting process, if the pressure value rises slowly due to the fact that the cavity of the pressure relief valve is too large, the electronic control valve with the smaller cavity is replaced, and therefore the adjusting time of the whole system is greatly shortened; after improvement, the automatic regulation speed is accelerated, and the efficiency is higher.
In some embodiments, the control device 2 is an upper computer (the upper computer may be a computer, an industrial computer or other control terminal); the pressure detection device 3 is a digital pressure gauge; the pressure relief device 4 is a pressure relief valve; the automatic medicine injection device 1 is an electronic medicine injection pump; the liquid storage device 5 is a liquid storage tank; the digital pressure gauge can display the pressure value of the liquid output by the electronic injection pump in real time. As shown in fig. 5, the electronic drug injection pump includes a driving device, a processor, a drug bag and a infusion tube 15, the infusion tube is communicated with the drug bag, and the processor controls the driving device to apply pressure to the drug bag and the infusion tube, so that liquid in the drug bag flows out under pressure. The driving device comprises a motor 11 and a cam component, the cam component comprises a grinding sheet 12 and a valve sheet 13, and the motor rotates to drive the cam component to grind the infusion tube 15 and the medicine bag 14 so as to pump out the liquid. The liquid storage part of the electronic medicine injection pump is a medicine bag 14. The processor is also used for calculating the corresponding motor rotating speed according to the adjusted blocking sensitivity.
The adjusting system of automatic injection device that this application embodiment provided, simple structure science, degree of automation is high, can realize the automatically regulated to automatic injection device's the sensitivity that blocks under the condition of no manual intervention, and easy operation has practiced thrift the cost of labor, has improved production efficiency.
The adjusting method of the automatic medicine injection device, provided by the embodiment of the application, can realize automatic adjustment of the blocking sensitivity of the automatic medicine injection device under the condition of no manual intervention, saves the labor cost, improves the production efficiency, is quick in adjusting response and high in adjusting accuracy.
It should be noted that:
the algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may be used with the teachings herein. The required structure for constructing such a device will be apparent from the description above. In addition, this application is not directed to any particular programming language. It will be appreciated that a variety of programming languages may be used to implement the teachings of the present application as described herein, and any descriptions of specific languages are provided above to disclose the best modes of the present application.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the application, various features of the application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the present application may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in the creation apparatus of a virtual machine according to embodiments of the present application. The present application may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present application may be stored on a computer readable medium or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The above-mentioned embodiments only express the embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (7)
1. The adjusting system of the automatic medicine injection device is characterized by comprising a control device, a pressure detection device and a pressure relief device, wherein the automatic medicine injection device, the pressure detection device and the pressure relief device are respectively and electrically connected with the control device; the automatic medicine injection device, the pressure detection device and the pressure relief device are sequentially connected through pipelines;
the pressure detection device is used for detecting the pressure value of the liquid output by the automatic medicine injection device in real time and sending the pressure value to the control device;
the control device is used for adjusting the blocking sensitivity of the automatic medicine injection device according to the pressure value;
the regulating system also comprises a liquid storage device, and the liquid storage device is used for receiving the liquid discharged by the pressure relief device;
the automatic medicine injection device comprises a driving device, a processor, a medicine bag and a transfusion tube, wherein the transfusion tube is communicated with the medicine bag, and the processor is used for controlling the driving device to apply pressure to the medicine bag and the transfusion tube so as to enable liquid in the medicine bag to flow out under pressure; the driving device comprises a motor and a cam assembly, the cam assembly comprises a grinding sheet and a valve sheet, and the motor is used for driving the cam assembly to grind the infusion tube and the medicine bag in a rotating mode and pump out liquid; and the processor is also used for calculating the corresponding motor rotating speed according to the adjusted blocking sensitivity.
2. The system of claim 1, wherein the control device is an upper computer; the pressure detection device is a digital pressure gauge; the pressure relief device is a pressure relief valve.
3. An adjustment method of an automatic medicine injection device is characterized by comprising the following steps:
step A: the pressure detection device detects the pressure value of the liquid output by the automatic medicine injection device in real time and sends the pressure value to the control device; the control device compares the pressure value with a preset threshold range, if the pressure value does not belong to the preset threshold range, the blocking sensitivity of the automatic medicine injection device is adjusted according to the pressure value, and the adjusted blocking sensitivity is sent to the automatic medicine injection device; the control device controls the automatic medicine injection device to be closed and controls the pressure relief device to be opened to discharge liquid;
the automatic medicine injection device calculates the corresponding motor rotating speed according to the adjusted blocking sensitivity, the control device controls the pressure relief device to be closed and controls the automatic medicine injection device to be opened, and the automatic medicine injection device outputs liquid by adopting the corresponding motor rotating speed;
repeating the step A until the pressure value belongs to the preset threshold range;
wherein, the automatic medicine injection device comprises a driving device, a processor, a medicine bag and a transfusion tube, and the transfusion tube is communicated with the medicine bag; the driving device comprises a motor and a cam assembly;
automatic annotate medicine device adoption the motor speed that corresponds exports liquid, includes: the processor calculates the corresponding motor speed according to the adjusted blocking sensitivity, controls the motor to rotate and drives the cam component to roll the infusion tube and the medicine bag, applies pressure to the medicine bag and the infusion tube, and enables liquid in the medicine bag to flow out under pressure.
4. The method of claim 3, wherein said controlling opening of a pressure relief device to vent liquid comprises: and controlling to open the pressure relief device, and discharging liquid into the liquid storage device by the pressure relief device.
5. The method of claim 3, wherein the pressure values do not fall within the preset threshold range, comprising: the pressure value is larger than the upper limit value of the preset threshold range, or the pressure value is smaller than the lower limit value of the preset threshold range.
6. The method of claim 5, wherein said adjusting the occlusion sensitivity of the automatic medication injection device based on the pressure value comprises: if the pressure value is larger than the upper limit value of the preset threshold range, the blocking sensitivity is increased; and if the pressure value is smaller than the lower limit value of the preset threshold range, reducing the blocking sensitivity.
7. The method of claim 3, further comprising: and the control device calculates the change rate of the pressure value, and reduces the size of the pressure relief cavity of the pressure relief device if the change rate is lower than a preset threshold value.
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| CN201911012525.6A CN110848122B (en) | 2019-10-23 | 2019-10-23 | Adjusting system and method of automatic medicine injection device |
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| JP2002334339A (en) * | 2001-05-08 | 2002-11-22 | Mitsubishi Electric Corp | Sensitivity activating system |
| CN201197734Y (en) * | 2008-05-28 | 2009-02-25 | 顾爱远 | Operation instrument for obstetrics and gynecology department with automatically controlled negative-pressure |
| JP5369140B2 (en) * | 2011-06-08 | 2013-12-18 | 日機装株式会社 | Mixing equipment |
| CN106540351A (en) * | 2016-07-27 | 2017-03-29 | 珠海市美瑞华医用科技有限公司 | A kind of medical pump blockage pressure intelligent checking system and method |
| CN106178186A (en) * | 2016-07-27 | 2016-12-07 | 珠海市美瑞华医用科技有限公司 | A kind of medical pump blockage pressure intelligent alarm system and method |
| CN106421975A (en) * | 2016-07-27 | 2017-02-22 | 珠海市美瑞华医用科技有限公司 | Children medical pump system and device |
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