WO2016183981A1 - 一种输液系统以及控制其药液流速的方法 - Google Patents

一种输液系统以及控制其药液流速的方法 Download PDF

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Publication number
WO2016183981A1
WO2016183981A1 PCT/CN2015/089767 CN2015089767W WO2016183981A1 WO 2016183981 A1 WO2016183981 A1 WO 2016183981A1 CN 2015089767 W CN2015089767 W CN 2015089767W WO 2016183981 A1 WO2016183981 A1 WO 2016183981A1
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Prior art keywords
flow rate
infusion
patient
module
infusion system
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PCT/CN2015/089767
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English (en)
French (fr)
Inventor
李昌峰
董学
王海生
陈小川
刘建涛
刘英明
杨盛际
赵卫杰
王磊
丁小梁
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/124,329 priority Critical patent/US20170173260A1/en
Publication of WO2016183981A1 publication Critical patent/WO2016183981A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A—HUMAN NECESSITIES
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    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
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Definitions

  • the present invention relates to the field of medical device technology, and in particular, to an infusion system and a method for controlling a flow rate of a medical solution of the infusion system.
  • the infusion flow rate should be determined according to the patient's age, condition, total amount of infusion, infusion purpose, and drug properties. The average adult flow rate is 40 to 60 drops / minute. When children, the elderly or some stimulating drugs are used, the speed should not exceed 20 to 40 drops / minute. Patients with cardiopulmonary and renal diseases, in particular, must strictly control the infusion volume and infusion flow rate.
  • the flow rate of the drug solution needs to be manually adjusted, and the appropriate flow rate cannot be adjusted according to the current state of the patient.
  • Some embodiments of the present invention provide an infusion system that automatically adjusts the flow rate of a drug solution based on the patient's current physical condition.
  • An infusion system comprising: an infusion device and a monitoring device.
  • the infusion device includes an infusion tube for receiving a medical solution from the medical solution container, and the infusion tube may be provided with an infusion flow rate adjusting device for adjusting the flow rate of the medical solution.
  • the monitoring device can be used to monitor physiological parameters of the patient and can be based at least on the physiological parameters of the patient The number information controls the infusion flow rate adjusting device to adjust the flow rate of the drug solution.
  • the monitoring device is a wrist monitoring device.
  • the monitoring device comprises a physiological parameter monitoring module, a communication module and a processing module.
  • the physiological parameter monitoring module is configured to monitor a physiological parameter of the patient;
  • the processing module is configured to obtain the liquid medicine flow rate information according to at least the physiological parameter information of the patient and send the information to the communication module;
  • the communication module is configured to use the medicine
  • the liquid flow rate information is sent to the infusion flow rate adjusting device.
  • the physiological parameter monitoring module includes a pulse monitoring module.
  • the pulse monitoring module includes a light source and an optical sensor.
  • the optical sensor is a photodiode.
  • the monitoring device further includes a storage module, and the storage module is configured to store basic information of the medical liquid.
  • the processing module is configured to obtain the liquid medicine flow rate information according to the physiological parameter information of the patient and the basic information of the medical liquid obtained from the storage module, and send the information to the communication module.
  • the basic information of the drug solution includes at least one of a name of the drug solution, a viscosity of the drug solution, and a therapeutic effect.
  • the monitoring device further includes a display module, and the display module is configured to display physiological parameter information of the patient.
  • the infusion device further includes a reminding device disposed at the liquid medicine container near the infusion tube.
  • the reminding device is configured to send a reminding signal to the communication module when the liquid level in the liquid medicine container is lower than the warning line.
  • the communication module is further configured to send the reminder signal to the processing module.
  • the processing module is further configured to send the liquid medicine flow rate information including the flow rate of the medical solution to a preset value according to the reminding signal to the communication module, so that the infusion liquid flow rate adjusting device receives the communication module After the sent liquid flow rate information is sent, the liquid flow rate is adjusted to the preset value.
  • the reminding device is further configured to issue an alarm signal in the form of sound or light.
  • Some embodiments of the present invention also provide a method of controlling a flow rate of a drug solution of an infusion system, comprising: monitoring a physiological parameter of the patient; and controlling a flow rate of the drug solution of the infusion system based on at least the physiological parameter information of the patient.
  • some physiological parameters of the patient such as pulse, blood pressure, and heart rate can be monitored in real time by the monitoring device to be monitored during the infusion process.
  • the physiological parameter information controls the infusion flow rate adjusting device to adjust the flow rate of the liquid in real time, so that the appropriate flow rate of the liquid can be automatically adjusted according to the current physical condition of the patient, thereby ensuring that the patient is treated under the optimal physical condition. The best results.
  • FIG. 1 is a schematic view 1 of an infusion system according to an embodiment of the present invention.
  • FIG. 2 is a schematic view 2 of an infusion system according to an embodiment of the present invention.
  • FIG. 3 is a schematic view 3 of an infusion system according to an embodiment of the present invention.
  • FIG. 4 is a schematic view 4 of an infusion system according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram 5 of an infusion system according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram 6 of an infusion system according to an embodiment of the invention.
  • 10-infusion device 101-medicine container; 102-infusion tube; 103-infusion flow rate adjusting device; 104-remining device; 20-monitoring device; 201-physiological parameter monitoring module; 202-communication module; 203-processing module; 204-storage module; 205-display module; 30-wrist monitoring device.
  • an infusion system can include an infusion set 10 and a monitoring device 20.
  • the infusion device 10 may include an infusion tube 102 for receiving a medical solution from the medical solution container 101, and the infusion tube 102 may be provided with an infusion flow rate adjusting device 103 for adjusting the flow rate of the liquid medicine.
  • the monitoring device 20 can be used to monitor physiological parameters of the patient and can at least The infusion flow rate adjusting device 103 is controlled to adjust the flow rate of the medical solution based on the physiological parameter information of the patient.
  • the physiological parameter may be pulse, blood pressure, heart rate, blood flow rate, body temperature, etc., and can reflect a certain health indicator of the person through it.
  • the monitoring device 20 can be configured to monitor physiological parameters of the patient, and control the infusion flow rate adjusting device 103 to adjust the flow rate of the medical solution according to at least the physiological parameter information of the patient, that is, The monitoring device 20 sends a control message to the infusion flow rate adjusting device 103 according to at least the physiological parameter information of the patient, and the infusion flow rate adjusting device 103 performs the liquid medicine after receiving the control information sent by the monitoring device 20. Adjustment of flow rate.
  • the communication method between the monitoring device 20 and the infusion flow rate adjusting device 103 is not limited, and the communication may be performed by a wired method or by a wireless method.
  • the configuration of the infusion flow rate adjusting device 103 is not limited as long as the flow rate of the chemical solution can be adjusted based on the control information of the monitoring device 20.
  • the infusion flow rate adjusting device 103 may include a casing including a cavity that can pass through the infusion tube 102, and may further include a screw hole, the direction of the screw hole and the cavity along the infusion tube 102 The direction is vertical. Further, the infusion flow rate adjusting device 103 may further include a motor and a lead screw. The first end of the lead screw is coupled to the motor, and the second end is threaded and located at the threaded bore. Thus, when the second end is in contact with the infusion tube 102 and the infusion tube 102 is squeezed, the infusion flow rate can be lowered. When the second end is gradually moved away from the infusion tube 102, the infusion flow rate can be increased.
  • the rotation direction and the movement distance of the lead screw in the clockwise or counterclockwise direction can be controlled by controlling the rotation direction and the number of turns of the motor to adjust the degree of pressing of the infusion tube 102 and control the flow rate of the liquid medicine.
  • the motor may be a servo motor.
  • a cap having a circular arc shape may also be provided at the second end to prevent the second end from damaging the infusion tube 102 when the infusion tube 102 is squeezed.
  • the infusion flow rate adjusting device 103 may further include a support rod for supporting the lead screw to prevent the lead screw from causing pressure on the infusion tube 102 through the infusion flow rate adjusting device 103 to disengage the infusion tube 102 from the liquid medicine.
  • Container 101 may further include a support rod for supporting the lead screw to prevent the lead screw from causing pressure on the infusion tube 102 through the infusion flow rate adjusting device 103 to disengage the infusion tube 102 from the liquid medicine.
  • some physiological parameters of the patient such as pulse, blood pressure, heart rate and the like can be monitored by the monitoring device 20 in real time, in real time according to the monitored physiological parameter information during the infusion process.
  • Control infusion flow rate adjustment Set 103 to adjust the flow rate of the drug solution. Therefore, the appropriate fluid flow rate can be automatically adjusted according to the patient's current physical condition, ensuring that the patient is treated under the optimal physical condition to optimize the efficacy. In addition, it is possible to prevent the patient from adjusting the flow rate of the drug solution during the infusion process to cause an accident.
  • the monitoring device 20 is a wrist monitoring device 30.
  • the wrist monitoring device 30 can be worn on the wrist like a wristwatch. On the one hand, it is easy to wear and does not affect the patient's activities. On the other hand, the human wrist has a pulse and a blood vessel, and based on this, the pulse, blood pressure, heart rate, blood flow rate, and the like can be monitored.
  • the monitoring device 20 may include a physiological parameter monitoring module 201, a communication module 202, and a processing module 203.
  • the physiological parameter monitoring module 201 is configured to monitor physiological parameters of the patient.
  • the processing module 203 is configured to obtain the liquid medicine flow rate information according to at least the physiological parameter information of the patient and send the information to the communication module 202.
  • the communication module 202 is configured to send the medical fluid flow rate information to the infusion flow rate adjustment device 103.
  • the processing module 203 can obtain a specific medical fluid flow rate accordingly.
  • the flow rate of the drug solution can be reduced to 35 drops per minute, and the flow rate information of the drug solution containing the flow rate of 35 drops per minute is sent to the communication module 202, so that the communication module 202 transmits the solution flow rate information to the The infusion flow rate adjusting device 103 performs adjustment of the flow rate of the chemical solution.
  • the processing module 203 can obtain a specific medical fluid flow rate accordingly. For example, increasing the flow rate of the drug solution to 50 drops per minute, and transmitting the flow rate information of the drug solution containing the flow rate of 50 drops per minute to the communication module 202, so that the communication module 202 transmits the solution flow rate information to the infusion solution.
  • the flow rate adjusting device 103 adjusts the flow rate of the chemical solution.
  • the communication module 202 can be, for example, a transceiver, and communication between the monitoring device 20 and the infusion flow rate adjusting device 103 can be implemented using a wireless network.
  • the communication module 202 may be Bluetooth, and the communication between the monitoring device 20 and the infusion flow rate adjusting device 103 is implemented by using Bluetooth wireless technology, that is, the liquid medicine flow rate information is transmitted to the infusion flow rate adjusting device through Bluetooth. 103.
  • the physiological parameter monitoring module 201 can include a pulse monitoring module.
  • the pulse monitoring module can include a light source and an optical sensor.
  • the light source may be a light emitting diode, which can emit infrared light or visible light.
  • This embodiment of the invention implements monitoring of the patient's pulse through the pulse monitoring module.
  • the principle is: the pulse is measured by the change of the absorbance of the intravascular hemoglobin, that is, the infrared light or the visible light is emitted by the light source, and the optical sensor receives the reflection or transmission through the human body. The above infrared light or visible light can then be calculated by the pulse.
  • the optical sensor may be a photodiode.
  • a photodiode can be formed on a glass substrate or a silicon substrate.
  • the photodiode may include an N-type silicon pattern layer, a P-type silicon pattern layer, and an intrinsic silicon pattern layer disposed between the N-type silicon pattern layer and the P-type silicon pattern layer.
  • a photodiode is used, and an optical signal reflected or transmitted by the human body can be converted into an electrical signal to calculate a pulse, a heart rate, and the like according to a change in the electrical signal by a corresponding calculation formula.
  • the monitoring device 20 may further include a storage module 204, which may be used to store basic information of the medical liquid.
  • the basic information of the medical solution may include at least one of a name of the medical solution, a viscosity of the medical solution, and a therapeutic effect.
  • the processing module 203 can be configured to obtain the liquid medicine flow rate information according to the physiological parameter information of the patient and the basic information of the medical liquid obtained from the storage module 204, and send the information to the communication module 202.
  • the appropriate drug flow rate can be automatically adjusted according to the patient's current physical condition and the basic information of the drug solution, so that the drug effect is optimal.
  • the monitoring device 20 may further include a display module 205, which may be used to display physiological parameter information of the patient.
  • the display module 205 may be a display screen disposed on the front of the wrist monitoring device 30, and other modules such as the physiological parameter monitoring module 201, the communication module 202, and the processing.
  • the module 203, the storage module 204, and the like may be integrated and disposed on a control circuit board inside the wrist monitoring device 30.
  • the patient By displaying the patient's physiological parameter information into the display module 205, the patient is made aware of his or her physical condition in order to know which aspects need to be noted.
  • the infusion set can also include a reminder device 104.
  • the reminding device 104 may be disposed at the liquid medicine container 101 near the infusion tube 102.
  • the reminding device 104 can be used to lower the liquid level in the liquid medicine container 101 below the warning line
  • a reminder signal is sent to the communication module 202.
  • the communication module 202 can also be configured to send the reminder signal to the processing module 203.
  • the processing module 203 can be configured to send, to the communication module 202, the liquid medicine flow rate information that the liquid medicine flow rate should be reduced to a preset value according to the reminder signal, so that the infusion liquid flow rate adjusting device 103 receives the After the liquid medicine flow rate information sent by the communication module 202, the liquid medicine flow rate is adjusted to the preset value.
  • the reminder device 104 can also be used to send an alarm signal in the form of sound or light.
  • the foregoing embodiment is only exemplified by the division of the foregoing functional modules.
  • the foregoing functions may be allocated to different functional modules as needed.
  • the internal structure of the device can be divided into different functional modules to perform all or part of the functions described above.
  • the function of one module described above may be completed by multiple modules, and the functions of the above multiple modules may also be integrated into one module.
  • any reference signs placed in parentheses shall not be construed as limiting the claim.
  • the word “comprising” does not exclude the presence of the elements or the The word “a” or “an” or “an”
  • the invention may be implemented by means of hardware comprising several discrete elements, or by suitably programmed software or firmware, or by any combination thereof.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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Abstract

一种输液系统以及控制该输液系统的药液流速的方法，可根据患者当前的身体状况自动调整输液流速。所述输液系统包括输液装置（10）和监测装置（20）。所述输液装置（10）可以包括用于从药液容器（101）接收药液的输液管（102），所述输液管（102）上可以设置有输液流速调节装置（103），所述输液流速调节装置（103）用于调节药液流速。所述监测装置（20）可以用于监测患者的生理参数，并可以至少根据患者的生理参数信息控制所述输液流速调节装置（103）进行药液流速的调节。

Description

一种输液系统以及控制其药液流速的方法 技术领域
本发明涉及医疗器械技术领域，尤其涉及一种输液系统以及控制该输液系统的药液流速的方法。
背景技术
一直以来，人们对于药品不良反应的印象都集中在药品使用方面，然而，国家药监部门收集的信息显示，输液引发的不良反应一样不容忽视。
国家药监局日前发布的通报显示：自2002年至2010年底，国家药品不良反应监测中心共收到有关输液泵、注射泵的《可疑医疗器械不良事件报告表》575份，其中输液泵359份，注射泵216份。这些报告的病例中，主要表现为输液流速控制异常、不能泵入药液、死机、输注管路漏液等。其中表现为输液流速异常的报告有216份，涉及输液泵155份(占输液泵总报告数的43％)，涉及注射泵61份(占注射泵总报告数的28％)。
对于热衷打吊针的国人来说，这些数据无疑是让人惊心的。若输液流速异常，将直接影响患者用药的安全性和有效性。一般地，输液流速应根据患者年龄、病情、输液总量、输液目的和药物性质等多方面情况来确定。一般成年人流速在40～60滴/分钟，儿童、老年人或者在打一些刺激性药物时，速度不宜超过20～40滴/分钟。有心肺疾病和肾脏疾病的患者，也尤其要严格掌握输液量和输液流速。
目前，在输液时，药液流速需经过手动调节，无法根据病人当前的状态调整合适的流速。
发明内容
本发明的一些实施例提供一种输液系统，可根据患者当前的身体状况自动调节药液流速。
为达到上述目的，本发明的一些实施例采用如下技术方案：
提供一种输液系统，包括：输液装置和监测装置。所述输液装置包括用于从药液容器接收药液的输液管，所述输液管上可以设置有输液流速调节装置，所述输液流速调节装置用于调节药液流速。所述监测装置可以用于监测患者的生理参数，并可以至少根据患者的生理参 数信息控制所述输液流速调节装置进行药液流速的调节。
可选地，所述监测装置为腕式监测装置。
可选地，所述监测装置包括生理参数监测模块、通信模块和处理模块。所述生理参数监测模块用于监测患者的生理参数；所述处理模块用于至少根据患者的生理参数信息得到药液流速信息并发送到所述通信模块；所述通信模块用于将所述药液流速信息发送到所述输液流速调节装置。
进一步可选地，所述生理参数监测模块包括脉搏监测模块。
进一步可选地，所述脉搏监测模块包括光源以及光学传感器。
进一步可选地，所述光学传感器为光电二极管。
可选地，所述监测装置还包括存储模块，所述存储模块用于存储药液的基本信息。所述处理模块用于根据患者的生理参数信息以及从所述存储模块中获取的药液的基本信息得到药液流速信息并发送到所述通信模块。
进一步可选地，所述药液的基本信息包括药液的名称、药液的粘度和疗效中的至少一种。
可选地，所述监测装置还包括显示模块，所述显示模块用于显示患者的生理参数信息。
可选地，所述输液装置还包括设置于所述药液容器靠近所述输液管处的提醒装置。所述提醒装置用于在所述药液容器中的液面低于警戒线时，向所述通信模块发送提醒信号。所述通信模块还用于将所述提醒信号发送到所述处理模块。所述处理模块还用于根据所述提醒信号将包含药液流速减小到预设值的药液流速信息发送到所述通信模块，以使所述输液流速调节装置在接收到所述通信模块发送的所述药液流速信息后，将药液流速调整到所述预设值。
进一步可选地，所述提醒装置还用于以声或光的形式发出报警信号。
本发明的一些实施例还提供一种控制输液系统的药液流速的方法，包括：监测患者的生理参数；至少根据患者的生理参数信息控制输液系统的药液流速。
在本发明的一些实施例中，通过监测装置可以实时地监测到患者的一些生理参数例如脉搏、血压、心率，以在输液过程中根据监测到 的生理参数信息实时地控制输液流速调节装置进行药液流速的调节，因而，可以根据患者当前的身体状况自动调整合适的药液流速，保证了患者在最佳的身体状态下进行治疗而使药效发挥到最佳。此外，可以避免患者在输液过程中自行调节药液流速而导致意外的出现。
附图说明
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的介绍。应当意识到，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为根据本发明一个实施例提供的一种输液系统的示意图一；
图2为根据本发明一个实施例提供的一种输液系统的示意图二；
图3为根据本发明一个实施例提供的一种输液系统的示意图三；
图4为根据本发明一个实施例提供的一种输液系统的示意图四；
图5为根据本发明一个实施例提供的一种输液系统的示意图五；
图6为根据本发明一个实施例提供的一种输液系统的示意图六。
附图标记：
10-输液装置；101-药液容器；102-输液管；103-输液流速调节装置；104-提醒装置；20-监测装置；201-生理参数监测模块；202-通信模块；203-处理模块；204-存储模块；205-显示模块；30-腕式监测装置。
具体实施方式
为使本领域普通技术人员更好地理解本发明的目的、技术方案和优点，下面将结合本发明实施例的附图，对本发明的一些实施例的技术方案进行清楚、完整地描述。应当意识到，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本文所描述和图示的实施例，本领域普通技术人员在没有做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。
根据本发明一个实施例提供了一种输液系统，如图1所示，该输液系统可以包括输液装置10和监测装置20。所述输液装置10可以包括用于从药液容器101接收药液的输液管102，所述输液管102上可以设置有输液流速调节装置103，所述输液流速调节装置103用于调节药液流速。所述监测装置20可以用于监测患者的生理参数，并可以至少 根据患者的生理参数信息控制所述输液流速调节装置103进行药液流速的调节。
需要说明的是，生理参数可以是脉搏、血压、心率、血液流速、体温等，能通过其体现人的某项健康指标。
还需要说明的是，在一种实现中，所述监测装置20可以用于监测患者的生理参数，并至少根据患者的生理参数信息控制所述输液流速调节装置103进行药液流速的调节，即为：所述监测装置20至少根据患者的生理参数信息向所述输液流速调节装置103发送一个控制信息，所述输液流速调节装置103在收到所述监测装置20发送的控制信息后进行药液流速的调节。
基于此，不对所述监测装置20和所述输液流速调节装置103之间的通信方式进行限定，可以是通过有线方式进行通信，也可以是通过无线方式进行通信。
此外，不对所述输液流速调节装置103的结构进行限定，只要能根据监测装置20的控制信息进行药液流速的调节即可。
作为一个示例，所述输液流速调节装置103可以包括盒体，其包括能穿过所述输液管102的空腔，还可以包括螺孔，所述螺孔的方向与空腔沿输液管102的方向垂直。此外，所述输液流速调节装置103还可以包括电机和丝杠。所述丝杠的第一端与电机连接，第二端具有螺纹且位于所述螺孔处。这样，当第二端与输液管102接触并挤压输液管102时，可使输液流速降低。当第二端逐渐远离所述输液管102时，可使输液流速增加。其中，可通过控制电机的转动方向和圈数来控制丝杠沿顺时针或逆时针转动以及移动的距离，以调节对输液管102的挤压程度并实现对药液流速的控制。此处，所述电机可以是伺服电机。在所述第二端还可以设置有表面为圆弧形的盖帽，以避免第二端对输液管102挤压时破坏输液管102。
此外，所述输液流速调节装置103还可以包括支撑杆，所述支撑杆用于支撑所述丝杠，避免丝杠通过输液流速调节装置103对输液管102造成压力而使输液管102脱离药液容器101。
在根据本发明一个实施例提供的输液系统中，通过监测装置20可以实时地监测到患者的一些生理参数例如脉搏、血压、心率等等，以在输液过程中根据监测到的生理参数信息实时地控制输液流速调节装 置103进行药液流速的调节。因而，可以根据患者当前的身体状况自动调整合适的药液流速，保证了患者在最佳的身体状态下进行治疗而使药效发挥到最佳。此外，可以避免患者在输液过程中自行调节药液流速而导致意外的出现。
可选地，如图2所示，所述监测装置20为腕式监测装置30。
所述腕式监测装置30可以像手表一样戴在手腕上。一方面佩戴方便，不影响患者的活动。另一方面，人体手腕处具有脉搏、血管，可以基于此监测到脉搏、血压、心率、血液流速等。
进一步可选地，如图3所示，所述监测装置20可以包括生理参数监测模块201、通信模块202和处理模块203。所述生理参数监测模块201用于监测患者的生理参数。所述处理模块203用于至少根据患者的生理参数信息得到药液流速信息并发送到所述通信模块202。所述通信模块202用于将所述药液流速信息发送到所述输液流速调节装置103。
这里，例如当生理参数监测模块201监测到患者的脉搏大于标准值时，所述处理模块203据此可以得到具体的药液流速。例如可以将药液流速降到每分钟35滴，并将包含每分钟35滴流速的药液流速信息发送到通信模块202，以使所述通信模块202将所述药液流速信息发送到所述输液流速调节装置103进行药液流速的调节。
又例如当生理参数监测模块201监测到患者的脉搏、血压、心率等正常时，所述处理模块203据此可以得到具体的药液流速。例如将药液流速提高到每分钟50滴，并将包含每分钟50滴流速的药液流速信息发送到通信模块202，以使所述通信模块202将所述药液流速信息发送到所述输液流速调节装置103进行药液流速的调节。
通信模块202例如可以是收发器，可以采用无线网络实现监测装置20与所述输液流速调节装置103之间的通信。或者，所述通信模块202可以是蓝牙，采用蓝牙无线技术实现监测装置20与所述输液流速调节装置103之间的通信，即通过蓝牙将所述药液流速信息发送到所述输液流速调节装置103。
进一步地，考虑到心率、血液流速等都可以通过脉搏计算得到，因此，根据本发明的一个实施例，所述生理参数监测模块201可以包括脉搏监测模块。所述脉搏监测模块可以包括光源以及光学传感器。其中，所述光源可以是发光二极管，其可以发出红外光或可见光。
本发明的这个实施例通过脉搏监测模块实现对患者脉搏的监测，其原理为：利用血管内血红蛋白的吸光度的变化来测量脉搏，即通过光源发出红外光或可见光，光学传感器接收经人体反射或透射的上述红外光或可见光，然后可以通过计算得到脉搏。
进一步地，所述光学传感器可以是光电二极管。
可以在玻璃基板或硅基板上形成光电二极管。所述光电二极管可以包括N型硅图案层、P型硅图案层、以及设置在N型硅图案层和P型硅图案层之间的本征硅图案层。
本发明的这个实施例中采用光电二极管，可以将经人体反射或透射的光信号转换成电信号，以根据电信号的变化通过相应的计算公式计算得到脉搏，心率等。
可选地，如图4所示，所述监测装置20还可以包括存储模块204，所述存储模块204可以用于存储药液的基本信息。其中，所述药液的基本信息可以包括药液的名称、药液的粘度和疗效中的至少一种。基于此，所述处理模块203可以用于根据患者的生理参数信息以及从所述存储模块204中获取的药液的基本信息得到药液流速信息并发送到所述通信模块202。
这样，可以根据患者当前的身体状况以及药液的基本信息自动调整合适的药液流速，以使药效发挥到最佳。
可选地，如图5所示，所述监测装置20还可以包括显示模块205，所述显示模块205可以用于显示患者的生理参数信息。
具体地，当所述监测装置20为腕式监测装置30时，所述显示模块205可以是设置在腕式监测装置30正面的显示屏，其他模块例如生理参数监测模块201、通信模块202、处理模块203、存储模块204等可以集成和设置在所述腕式监测装置30内部的控制电路板上。
通过将患者的生理参数信息显示到显示模块205中，使患者能够了解自己的身体状况，以便知道需要注意哪些方面。
如图6所示，为了避免由于药液容器101中药液在只剩一点的情况下所述输液装置10还以之前的药液流速进行输液而导致意外的发生，根据本发明一个实施例的输液装置还可以包括提醒装置104。所述提醒装置104可以设置于所述药液容器101靠近所述输液管102处。所述提醒装置104可以用于在所述药液容器101中的液面低于警戒线 时，向所述通信模块202发送提醒信号。在此基础上，所述通信模块202还可以用于将所述提醒信号发送到所述处理模块203。所述处理模块203可以用于根据所述提醒信号将药液流速应当减小到预设值的药液流速信息发送到所述通信模块202，以使所述输液流速调节装置103在接收到所述通信模块202发送的所述药液流速信息后，将药液流速调整到所述预设值。
进一步可选地，所述提醒装置104还可以用于以声或光的形式发出报警信号。
这样，不管是患者还是医护人员在听到或者看到报警信号后便会进行查看以便进行换药或拔针，进一步保证输液过程中的安全。
可以理解的是，以上所述仅为本发明的示例性实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，这些变化或替换都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所附权利要求的保护范围为准。
需要说明的是，上述实施例仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要将上述功能分配给不同的功能模块完成。可以将装置的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。另外，上述一个模块的功能可以由多个模块来完成，上述多个模块的功能也可以集成到一个模块中完成。
本申请用了诸如“第一”、“第二”、“第三”等之类的措词。在无附加上下文时，使用这样的措词并不旨在暗示排序而实际上用于标识目的。例如短语“第一版本”和“第二版本”未必意味着第一版本恰为第一个版本或者是在第二版本之前创建的或者甚至在第二版本之前请求或者操作第一版本。实际上，这些短语用来标识不同版本。
在权利要求书中，任何置于括号中的附图标记都不应当解释为限制权利要求。术语“包括”并不排除除了权利要求中所列出的元件或步骤之外的元件或步骤的存在。元件前的词语“一”或“一个”并不排除存在多个这样的元件。本发明可以借助于包括若干分离元件的硬件来实现，也可以通过适当编程的软件或固件来实现，或者通过它们的任意组合来实现。
在列举了若干装置的设备或系统权利要求中，这些装置中的一个 或多个能够在同一个硬件项目中体现。仅仅某个措施记载在相互不同的从属权利要求中这个事实并不表明这些措施的组合不能被有利地使用。

Claims (12)

  1. 一种输液系统，包括：输液装置和监测装置，
    所述输液装置包括用于从药液容器接收药液的输液管，所述输液管上设置有输液流速调节装置，所述输液流速调节装置用于调节药液流速；
    所述监测装置用于监测患者的生理参数，并至少根据患者的生理参数信息控制所述输液流速调节装置进行药液流速的调节。
  2. 根据权利要求1所述的输液系统，其中，所述监测装置为腕式监测装置。
  3. 根据权利要求1所述的输液系统，其中，所述监测装置包括生理参数监测模块、通信模块和处理模块；
    所述生理参数监测模块用于监测患者的生理参数；
    所述处理模块用于至少根据患者的生理参数信息得到药液流速信息并发送到所述通信模块；
    所述通信模块用于将所述药液流速信息发送到所述输液流速调节装置。
  4. 根据权利要求3所述的输液系统，其中，所述生理参数监测模块包括脉搏监测模块。
  5. 根据权利要求4所述的输液系统，其中，所述脉搏监测模块包括光源以及光学传感器。
  6. 根据权利要求5所述的输液系统，其中，所述光学传感器为光电二极管。
  7. 根据权利要求3所述的输液系统，其中，所述监测装置还包括存储模块，所述存储模块用于存储药液的基本信息；
    所述处理模块用于根据患者的生理参数信息以及从所述存储模块中获取的药液的基本信息得到药液流速信息并发送到所述通信模块。
  8. 根据权利要求7所述的输液系统，其中，所述药液的基本信息包括药液的名称、药液的粘度和疗效中的至少一种。
  9. 根据权利要求3所述的输液系统，其中，所述监测装置还包括显示模块，所述显示模块用于显示患者的生理参数信息。
  10. 根据权利要求3所述的输液系统，其中，所述输液装置还包括 设置于所述药液容器靠近所述输液管处的提醒装置；
    所述提醒装置用于在所述药液容器中的液面低于警戒线时，向所述通信模块发送提醒信号；
    所述通信模块还用于将所述提醒信号发送到所述处理模块；
    所述处理模块还用于根据所述提醒信号将包含药液流速减小到预设值的药液流速信息发送到所述通信模块，以使所述输液流速调节装置在接收到所述通信模块发送的所述药液流速信息后，将药液流速调整到所述预设值。
  11. 根据权利要求10所述的输液系统，其中，所述提醒装置还用于以声或光的形式发出报警信号。
  12. 一种控制输液系统的药液流速的方法，包括：
    监测患者的生理参数；
    至少根据患者的生理参数信息控制输液系统的药液流速。
PCT/CN2015/089767 2015-05-19 2015-09-16 一种输液系统以及控制其药液流速的方法 WO2016183981A1 (zh)

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