CN109932404A - An online body fluid detection device and an online detection device for infant oral secretions - Google Patents
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Abstract
本发明提供了一种在线体液检测装置和婴儿口腔分泌物在线检测装置，用于解决现有技术中体液检测操作复杂、数据汇总困难、装置复杂、成本高以及婴儿重症时体征检测步骤繁琐的技术问题，一种在线体液检测装置，包括：液体入口、分液器、芯片检测盒、生化指标分析器、集液器、吸引泵、液体出口、控制电路和外壳；一种婴儿口腔分泌物在线检测装置，包括：婴儿口腔分泌物抽吸器和具有前述特点的在线体液检测装置；实施本发明的技术方案，设置可插拔生物芯片的芯片检测盒，以及多种传感器，可实现对婴儿口腔分泌物多项指标的实时检测；控制电路设置无线通讯模块，可实现检测结果的实时上传，便于医生查看。
The invention provides an online body fluid detection device and an online detection device for infant oral secretions, which are used to solve the complex body fluid detection operation, difficulty in data collection, complicated device, high cost and cumbersome signs detection steps when the infant is critically ill in the prior art. The problem is an online body fluid detection device, including: a liquid inlet, a liquid dispenser, a chip detection box, a biochemical indicator analyzer, a liquid collector, a suction pump, a liquid outlet, a control circuit and a housing; an online detection of infant oral secretions The device includes: an infant oral secretion aspirator and an online body fluid detection device with the aforementioned features; implementing the technical solution of the present invention, a chip detection box with a pluggable biochip, and a variety of sensors can be used to realize the detection of infant oral secretions. Real-time detection of multiple indicators of objects; the control circuit is equipped with a wireless communication module, which can realize real-time upload of detection results, which is convenient for doctors to view.
Description
技术领域technical field
本发明涉及医用体液检测领域，特别涉及一种在线体液检测装置和婴儿口腔分泌物在线检测装置。The invention relates to the field of medical body fluid detection, in particular to an online body fluid detection device and an online detection device for infant oral secretions.
背景技术Background technique
人体中含有大量水分，主要的存在形式分为细胞内液，以及组织液、血浆等细胞外液。人体体液的PH值、各项物质浓度、温度、含氧量等参数随着人体的健康状况发生改变，因此医生可以通过体液的各项指标判断患者的身体健康状况。现有技术中，体液的不同指征需要不同的检测设备进行检测，装置复杂，成本较高，数据汇总困难，检测操作复杂。因此需要一种操作简单、具有多种检测功能、可以实时上传数据的在线体液检测装置。The human body contains a lot of water, and the main forms of existence are divided into intracellular fluid, and extracellular fluid such as tissue fluid and plasma. The parameters such as pH value, concentration of various substances, temperature and oxygen content of human body fluids change with the health status of the human body, so doctors can judge the health status of patients through various indicators of body fluids. In the prior art, different indicators of bodily fluids require different detection equipment for detection, the device is complex, the cost is high, the data collection is difficult, and the detection operation is complicated. Therefore, there is a need for an online body fluid detection device that is simple to operate, has multiple detection functions, and can upload data in real time.
术后插管是儿科重症医疗领域的常用治疗措施，这种方式容易刺激婴儿过量分泌口腔分泌物。良好的口腔护理有利于减少肺部等感染的发生，因此口腔分泌物的清理和吸引十分重要。申请人提出过一种奶嘴式检测装置(申请公布号为CN108309358A)，可以用于婴儿口腔分泌物的吸引以及实时分析。在该技术中，装置可以安全可靠地进行婴儿口腔分泌物护理，使用箱柜式分析装置，分析数据可靠，但是箱柜式分析装置的移动相对不便。Postoperative intubation is a common treatment in the field of pediatric intensive care, which can easily stimulate the excessive secretion of oral secretions in infants. Good oral care can help reduce the incidence of infections such as the lungs, so cleaning and suction of oral secretions is very important. The applicant has proposed a pacifier-type detection device (application publication number CN108309358A), which can be used for suction and real-time analysis of oral secretions of infants. In this technology, the device can safely and reliably perform nursing of infant oral secretions, and the analysis data is reliable by using the cabinet-type analysis device, but the movement of the cabinet-type analysis device is relatively inconvenient.
因此需要一种操作简单、检测功能丰富、可以实时上传数据的便携式婴儿口腔分泌物实时分析装置。Therefore, there is a need for a portable real-time analysis device for infant oral secretions that is simple to operate, has rich detection functions, and can upload data in real time.
发明内容SUMMARY OF THE INVENTION
为了解决上述技术问题，本发明中披露了一种在线体液检测装置和婴儿口腔分泌物在线检测装置，本发明的技术方案是这样实施的：In order to solve the above-mentioned technical problems, the present invention discloses an online body fluid detection device and an online detection device for infant oral secretions. The technical solution of the present invention is implemented as follows:
一种在线体液检测装置，包括：液体入口、分液器、芯片检测盒、生化指标分析器、集液器、吸引泵、液体出口、控制电路和外壳；其中，所述分液器连通所述液体入口，将由所述液体入口流入的液体分流至芯片检测盒；所述芯片检测盒电连接至所述生化指标分析器，所述芯片检测盒设有芯片插口；所述芯片检测盒连通至所述集液器；所述集液器连通至所述吸引泵；所述吸引泵连通至所述液体出口；所述控制电路电连接至所述生化指标分析器和所述吸引泵；所述分液器、所述芯片检测盒、所述生化指标分析器、所述集液器、所述吸引泵和所述控制电路设置于所述外壳内。An online body fluid detection device, comprising: a liquid inlet, a liquid separator, a chip detection box, a biochemical indicator analyzer, a liquid collector, a suction pump, a liquid outlet, a control circuit and a housing; wherein, the liquid separator communicates with the a liquid inlet for shunting the liquid flowing from the liquid inlet to the chip detection box; the chip detection box is electrically connected to the biochemical indicator analyzer, and the chip detection box is provided with a chip socket; the chip detection box is connected to the the liquid collector; the liquid collector is connected to the suction pump; the suction pump is connected to the liquid outlet; the control circuit is electrically connected to the biochemical indicator analyzer and the suction pump; The liquid container, the chip detection box, the biochemical indicator analyzer, the liquid collector, the suction pump and the control circuit are arranged in the casing.
优选地，所述在线体液检测装置，还包括传感器，所述传感器连通所述分液器，所述传感器电连接至所述控制电路。Preferably, the on-line body fluid detection device further comprises a sensor, the sensor communicates with the dispenser, and the sensor is electrically connected to the control circuit.
优选地，所述在线体液检测装置，还包括生物芯片，所述生物芯片设置为可插入所述芯片插口，且可快速在线插拔。Preferably, the online body fluid detection device further includes a biochip, and the biochip is configured to be inserted into the chip socket, and can be quickly inserted and removed online.
优选地，所述在线体液检测装置，还包括清洗模块，所述清洗模块连通至所述液体入口，当更换所述生物芯片时，所述吸引泵吸取清洗液。Preferably, the online body fluid detection device further includes a cleaning module, the cleaning module is connected to the liquid inlet, and when the biochip is replaced, the suction pump sucks the cleaning liquid.
优选地，所述控制电路包括无线通讯模块。Preferably, the control circuit includes a wireless communication module.
优选地，所述在线体液检测装置，还包括：数据显示屏和操作面板，所述数据显示屏电连接至所述控制电路，所述操作面板电连接至所述控制电路。Preferably, the online body fluid detection device further comprises: a data display screen and an operation panel, the data display screen is electrically connected to the control circuit, and the operation panel is electrically connected to the control circuit.
一种婴儿口腔分泌物在线检测装置，包括：婴儿口腔分泌物抽吸器和具有前述特点的在线体液检测装置。An on-line detection device for infant oral secretions, comprising: a suction device for infant oral secretions and an online body fluid detection device with the aforementioned features.
优选地，所述传感器包括温度传感器、PH值传感器和含氧量传感器。Preferably, the sensors include a temperature sensor, a pH sensor and an oxygen sensor.
优选地，所述生物芯片为检测胃蛋白酶和淀粉酶的蛋白质芯片。Preferably, the biochip is a protein chip for detecting pepsin and amylase.
实施本发明的技术方案可解决现有技术中体液检测操作复杂、数据汇总困难、装置复杂、成本高以及婴儿重症时体征检测步骤繁琐的技术问题；实施本发明的技术方案，设置可插拔生物芯片的芯片检测盒，以及多种传感器，可实现对婴儿口腔分泌物多项指标的实时检测；控制电路设置无线通讯模块，可实现检测结果的实时上传，便于医生查看。Implementing the technical solution of the present invention can solve the technical problems in the prior art that the body fluid detection operation is complicated, the data collection is difficult, the device is complicated, the cost is high, and the steps for detecting signs of severe infants are cumbersome; The chip detection box of the chip and various sensors can realize real-time detection of multiple indicators of infant oral secretions; the control circuit is equipped with a wireless communication module, which can realize real-time upload of detection results, which is convenient for doctors to view.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一种实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
图1为本发明的一种具体实施方式的在线体液检测装置正面结构示意图；1 is a schematic diagram of the front structure of an online body fluid detection device according to a specific embodiment of the present invention;
图2为本发明的一种具体实施方式的在线体液检测装置内部结构示意图；2 is a schematic diagram of the internal structure of an online body fluid detection device according to a specific embodiment of the present invention;
图3为本发明的一种具体实施方式的在线体液检测装置后盖结构示意图；3 is a schematic structural diagram of a rear cover of an online body fluid detection device according to a specific embodiment of the present invention;
图4为本发明的一种具体实施方式的生物芯片结构示意图。FIG. 4 is a schematic structural diagram of a biochip according to a specific embodiment of the present invention.
在上述附图中，各图号标记分别表示：In the above-mentioned accompanying drawings, each figure number mark represents respectively:
1-液体入口；2-分液器；3-芯片检测盒；4-生化指标分析器；5-集液器；6-吸引泵；7-液体出口；8-控制电路；9-外壳；10-传感器；11-芯片插口；12-生物芯片；13-检测通道；14-操作面板；15-数据显示屏。1-liquid inlet; 2-dispenser; 3-chip detection box; 4-biochemical indicator analyzer; 5-liquid collector; 6-suction pump; 7-liquid outlet; 8-control circuit; 9-shell; 10 - Sensor; 11 - chip socket; 12 - biological chip; 13 - detection channel; 14 - operation panel; 15 - data display screen.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
在本发明的一种具体实施方式中，一种在线体液检测装置，如图1、图2和图3所示，包括：液体入口1、分液器2、芯片检测盒3、生化指标分析器4、集液器5、吸引泵6、液体出口7、控制电路8和外壳9；其中，分液器2连通液体入口1，将由液体入口1流入的液体分流至芯片检测盒3；芯片检测盒3电连接至生化指标分析器4，芯片检测盒3设有芯片插口11；芯片检测盒3连通至集液器5；集液器5连通至吸引泵6；吸引泵6连通至液体出口7；控制电路8电连接至生化指标分析器4和吸引泵6；分液器2、芯片检测盒3、生化指标分析器4、集液器5、吸引泵6和控制电路8设置于外壳9内。In a specific embodiment of the present invention, an online body fluid detection device, as shown in FIG. 1 , FIG. 2 and FIG. 3 , includes: a liquid inlet 1 , a dispenser 2 , a chip detection box 3 , and a biochemical indicator analyzer 4. The liquid collector 5, the suction pump 6, the liquid outlet 7, the control circuit 8 and the housing 9; wherein, the liquid separator 2 is connected to the liquid inlet 1, and the liquid flowing in from the liquid inlet 1 is shunted to the chip detection box 3; The chip detection box 3 is electrically connected to the biochemical indicator analyzer 4, the chip detection box 3 is provided with a chip socket 11; the chip detection box 3 is connected to the liquid collector 5; the liquid collector 5 is connected to the suction pump 6; the suction pump 6 is connected to the liquid outlet 7; The control circuit 8 is electrically connected to the biochemical indicator analyzer 4 and the suction pump 6 ;
外壳9可以使用特氟龙等耐腐蚀性强的材料，延长装置使用寿命，同时材料表面具有较高摩擦力，方便用户操作。液体入口1可以使用PE、PP、PVC、ABS等材料，可以设置为具有一定形变能力的，便于套接在其他体液存储设备接口上，也可以在入口端部设置螺纹，便于连接其他液体存储设备；液体入口1可以与检测装置可拆卸式连接，便于拆卸更换，液体入口1使用塑料材质，成本低廉，可以设置为一次性使用的，提高检测精度，避免残留液体对检测结果的影响。液体入口1也可以采用不锈钢、铝合金等金属材料，易于清洗，不容易残留体液，可以重复使用，降低成本。体液经过液体入口1进入分液器2，分液器2可以起到临时存储体液的作用，分液器2连接芯片检测盒3的液体出口可以设置为不同规格或不同形状，以控制分液器2中的体液流出流速，以达到较优的检测效果。The shell 9 can be made of materials with strong corrosion resistance such as Teflon, so as to prolong the service life of the device, and at the same time, the surface of the material has high friction, which is convenient for users to operate. The liquid inlet 1 can be made of PE, PP, PVC, ABS and other materials, and can be set to have a certain deformability, which is convenient to be sleeved on the interface of other body fluid storage equipment, or a thread can be set at the end of the inlet to facilitate the connection of other liquid storage equipment. ; The liquid inlet 1 can be detachably connected with the detection device, which is convenient for disassembly and replacement. The liquid inlet 1 is made of plastic material, which is low in cost and can be set for one-time use, which improves the detection accuracy and avoids the influence of residual liquid on the detection results. The liquid inlet 1 can also be made of metal materials such as stainless steel, aluminum alloy, etc., which are easy to clean, not easy to leave body fluids, and can be reused to reduce costs. The body fluid enters the dispenser 2 through the liquid inlet 1. The dispenser 2 can temporarily store the body fluid. The liquid outlet of the dispenser 2 connected to the chip detection box 3 can be set to different specifications or shapes to control the dispenser. 2, the outflow flow rate of the body fluid in order to achieve a better detection effect.
芯片检测盒3中设置各类对应酶检测方法的检测器，检测器的检测结果包括相应的电流、电压等参数，检测器将参数传输至生化指标分析器4，由生化指标分析器4根据预设程序计算出酶的活性、浓度等指标，并以此判断患者的健康状况。The chip detection box 3 is provided with various types of detectors corresponding to the enzyme detection methods, and the detection results of the detectors include corresponding parameters such as current and voltage. Design a program to calculate the enzyme activity, concentration and other indicators, and use this to judge the patient's health status.
经过检测的体液与检测剂、缓冲溶液形成的混合液在检测后进入集液器5，避免混合液泄漏污染环境。吸引泵6可以使用微型真空泵，用于提供动力，推动液体入口1处的体液流动经过分液器2、芯片检测盒3、集液器5，用于检测体液，也可以推动集液器5中的液体流至液体出口7，从而排出装置。用户调整吸引泵6的功率来控制体液在检测装置中的流动速度，以获得最优的检测效果。用户可以在控制电路8中预设检测装置的工作模式，实现检测装置的自动检测。The mixed liquid formed by the detected body fluid, the detection agent, and the buffer solution enters the liquid collector 5 after the detection, so as to avoid leakage of the mixed liquid and pollute the environment. The suction pump 6 can use a micro vacuum pump to provide power to push the body fluid at the liquid inlet 1 to flow through the dispenser 2, the chip detection box 3, and the liquid collector 5 to detect the body fluid, and it can also push the body fluid in the liquid collector 5. The liquid flows to the liquid outlet 7, thereby discharging the device. The user adjusts the power of the suction pump 6 to control the flow speed of the body fluid in the detection device, so as to obtain the optimal detection effect. The user can preset the working mode of the detection device in the control circuit 8 to realize the automatic detection of the detection device.
在一种优选的实施方式中，一种在线体液检测装置，如图2所示，还包括传感器10，传感器10连通分液器2，传感器10电连接至控制电路8。吸引泵6工作时，分液器2中的液体分别流向芯片检测盒3和多个传感器10，使检测装置在检测体液酶活性的同时检测体液的其他参数，医生可以结合检测参数判断患者状态，实现辅助治疗。In a preferred embodiment, an online body fluid detection device, as shown in FIG. 2 , further includes a sensor 10 , the sensor 10 is connected to the dispenser 2 , and the sensor 10 is electrically connected to the control circuit 8 . When the suction pump 6 is working, the liquid in the dispenser 2 flows to the chip detection box 3 and the plurality of sensors 10 respectively, so that the detection device detects other parameters of the body fluid while detecting the enzyme activity of the body fluid. Implement adjuvant therapy.
在一种优选的实施方式中，一种在线体液检测装置，如图1、图2和图3所示，还包括生物芯片12，生物芯片12设置为可插入芯片插口11，且可快速在线插拔。生物芯片12设置为即插即用的，使用时插入芯片插口11中，包括多条检测通道13，每条检测通道13设置有不同的检测剂，可以用来检测体液的不同参数，以同时进行多种检测，也可以使用多条检测通道13检测同一参数，以提高生物芯片12的检测精度。更换生物芯片12，无需关闭检测装置，实现在线插拔，简化操作流程，提高工作效率。In a preferred embodiment, an online body fluid detection device, as shown in FIG. 1 , FIG. 2 and FIG. 3 , further includes a biochip 12 , and the biochip 12 is configured to be inserted into the chip socket 11 and can be quickly inserted online. pull. The biochip 12 is set to be plug-and-play, inserted into the chip socket 11 when in use, and includes a plurality of detection channels 13, each detection channel 13 is provided with a different detection agent, which can be used to detect different parameters of the body fluid, so as to simultaneously perform the detection. For multiple detections, multiple detection channels 13 can also be used to detect the same parameter, so as to improve the detection accuracy of the biochip 12 . Replacing the biochip 12 does not need to close the detection device, realizes online plugging and unplugging, simplifies the operation process, and improves work efficiency.
在一种优选的实施方式中，一种在线体液检测装置，如图1、图2和图4所示，还包括清洗模块，清洗模块连通至液体入口1，当更换生物芯片12时，吸引泵6吸取清洗液。清洗模块可以包括清洗液存储器和清洗管路。液体入口1处可以设置多通电磁阀，分别连接至检测管路和清洗管路，多通电磁阀电连接至控制电路8，医生更换生物芯片12时，控制电路8控制多通电磁阀接通清洗管路，并启动吸引泵6，使用清洗液清洗装置中的残留分泌物，可以提高装置的检测准确度。In a preferred embodiment, an online body fluid detection device, as shown in FIG. 1 , FIG. 2 and FIG. 4 , further includes a cleaning module, the cleaning module is connected to the liquid inlet 1 , and when the biochip 12 is replaced, the suction pump 6Aspirate the cleaning solution. The cleaning module may include a cleaning fluid reservoir and a cleaning line. The liquid inlet 1 can be provided with a multi-port solenoid valve, which is connected to the detection pipeline and the cleaning pipeline respectively. The multi-port solenoid valve is electrically connected to the control circuit 8. When the doctor replaces the biochip 12, the control circuit 8 controls the multi-port solenoid valve to turn on. Clean the pipeline, start the suction pump 6, and use the cleaning liquid to clean the residual secretions in the device, which can improve the detection accuracy of the device.
在一种优选的实施方式中，如图2所示，控制电路8包括无线通讯模块。无线通讯模块可以设置为支持蓝牙技术、CDMA技术、GSM技术等常用无线技术中的一种或多种，检测装置可以连接PC等外部显示、控制设备，用于将检测信息实时上传至云端，供远程医生参考，实现在线会诊，同时利于医院对患者信息进行记录，为后续治疗、研究提供参考。In a preferred embodiment, as shown in FIG. 2 , the control circuit 8 includes a wireless communication module. The wireless communication module can be set to support one or more of commonly used wireless technologies such as Bluetooth technology, CDMA technology, and GSM technology. The detection device can be connected to external display and control devices such as PCs to upload detection information to the cloud in real time for Remote doctor reference enables online consultation, and at the same time, it is helpful for hospitals to record patient information and provide reference for subsequent treatment and research.
在一种优选的实施方式中，一种在线体液检测装置，如图1和图2所示，还包括：数据显示屏15和操作面板14，数据显示屏15电连接至控制电路8，操作面板14电连接至控制电路8。数据显示屏15可以采用LED、LCD等材料的显示屏，功耗低，延长电池使用周期。用户可以通过操作面板14控制控制电路8，进行装置启动、自动检测、中止检测、手动控制检测等操作。In a preferred embodiment, an online body fluid detection device, as shown in FIG. 1 and FIG. 2 , further includes: a data display screen 15 and an operation panel 14, the data display screen 15 is electrically connected to the control circuit 8, and the operation panel 14 is electrically connected to the control circuit 8 . The data display screen 15 can be a display screen made of materials such as LED and LCD, which has low power consumption and prolongs the battery life cycle. The user can control the control circuit 8 through the operation panel 14 to perform operations such as device startup, automatic detection, suspension detection, and manual control detection.
一种婴儿口腔分泌物在线检测装置，包括：婴儿口腔分泌物抽吸器和具有前述特点的在线体液检测装置。在该具体实施方式中，将婴儿口腔分泌物抽吸器的口腔分泌物出口连接在液体检测装置上，便于医生实时掌握婴儿的更多生命体征信息，装置整合多种检测功能，操作简单，有效提升检测效率。An on-line detection device for infant oral secretions, comprising: a suction device for infant oral secretions and an online body fluid detection device with the aforementioned features. In this specific embodiment, the oral secretion outlet of the baby oral secretion aspirator is connected to the liquid detection device, so that the doctor can grasp more vital sign information of the baby in real time. The device integrates various detection functions, and the operation is simple and effective. Improve detection efficiency.
在一种优选的实施方式中，如图2所示，传感器10包括温度传感器、PH值传感器和含氧量传感器。医生可以使用装置实时了解婴儿口腔分泌物的温度、PH值以及含氧量，以推断婴儿的身体状况，辅助医疗活动的开展。In a preferred embodiment, as shown in FIG. 2 , the sensor 10 includes a temperature sensor, a pH value sensor and an oxygen content sensor. Doctors can use the device to understand the temperature, PH value and oxygen content of the baby's oral secretions in real time to infer the baby's physical condition and assist in the development of medical activities.
在一种优选的实施方式中，如图2和图4所示，生物芯片12为检测胃蛋白酶和淀粉酶的蛋白质芯片。检测通道13中可以预设蛋白质、淀粉等检测剂，待分泌物进入检测通道13中充分反应后，生物指标分析器4可以利用混合物的导电性等特征指示婴儿胃蛋白酶和淀粉酶的含量和活性。医生可以通过婴儿胃蛋白酶、淀粉酶的含量和活性推断婴儿的消化功能等身体状况，便于了解婴儿病情，辅助婴儿的治疗。In a preferred embodiment, as shown in FIG. 2 and FIG. 4 , the biochip 12 is a protein chip for detecting pepsin and amylase. Detection agents such as protein and starch can be preset in the detection channel 13, and after the secretions enter the detection channel 13 for a sufficient reaction, the biological indicator analyzer 4 can use the conductivity of the mixture to indicate the content and activity of the infant pepsin and amylase . Doctors can infer the baby's digestive function and other physical conditions through the content and activity of the baby's pepsin and amylase, so as to understand the baby's condition and assist the baby's treatment.
需要指出的是，以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。It should be pointed out that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be Included in the protection scope of the present invention.
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