WO2021232622A1 - 一种管路结构及采用该管路结构的血压计 - Google Patents

一种管路结构及采用该管路结构的血压计 Download PDF

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Publication number
WO2021232622A1
WO2021232622A1 PCT/CN2020/114251 CN2020114251W WO2021232622A1 WO 2021232622 A1 WO2021232622 A1 WO 2021232622A1 CN 2020114251 W CN2020114251 W CN 2020114251W WO 2021232622 A1 WO2021232622 A1 WO 2021232622A1
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Prior art keywords
branch pipe
pipeline
pipeline structure
air
pipe
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PCT/CN2020/114251
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English (en)
French (fr)
Inventor
魏贺
张佳
陶涛
严晓冬
赵帅
Original Assignee
江苏鱼跃医疗设备股份有限公司
江苏鱼跃信息系统有限公司
南京鱼跃软件技术有限公司
苏州医疗用品厂有限公司
苏州鱼跃医疗科技有限公司
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Application filed by 江苏鱼跃医疗设备股份有限公司, 江苏鱼跃信息系统有限公司, 南京鱼跃软件技术有限公司, 苏州医疗用品厂有限公司, 苏州鱼跃医疗科技有限公司 filed Critical 江苏鱼跃医疗设备股份有限公司
Priority to DE212020000471.4U priority Critical patent/DE212020000471U1/de
Publication of WO2021232622A1 publication Critical patent/WO2021232622A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds

Definitions

  • the utility model relates to the field of medical equipment, in particular to a pipeline structure and a sphygmomanometer adopting the pipeline structure.
  • Cardiovascular disease is one of the most common diseases among middle-aged and elderly people.
  • sphygmomanometers As an instrument for measuring blood pressure, sphygmomanometers have become widely used and frequently used medical devices.
  • the mainstream sphygmomanometers include electronic sphygmomanometers and mercury sphygmomanometers.
  • electronic sphygmomanometers are favored by more and more due to their advantages of simple use and convenient measurement.
  • components such as air pumps, vent valves, pressure sensors, and solenoid valves are included, and the connecting pipes between them are also an indispensable part of the electronic sphygmomanometer, which has a direct impact on the reliability of the sphygmomanometer.
  • the prior art has certain drawbacks. Firstly, the current connecting pipelines usually do not have the dustproof function, which causes the clogging of the bleed valve to become a common problem during the use of the sphygmomanometer, which will affect the reliability of the sphygmomanometer, and It is not conducive to stabilizing the life span and test accuracy of the sphygmomanometer. Secondly, in the current market, the internal pipelines of electronic blood pressure monitors generally use non-integrated pipelines, that is, multiple pipelines are used to connect various components to form the internal air circuit of the blood pressure monitor.
  • the utility model provides a pipeline structure and a sphygmomanometer adopting the pipeline structure.
  • the purpose of the utility model is to simply and effectively prevent the sphygmomanometer's vent valve from being blocked.
  • a pipeline structure is used to connect the air pump and the bleed valve of the sphygmomanometer.
  • the innovation is that the pipeline structure includes a main pipe, an air joint, and a branch pipe.
  • the main pipe is connected to the air pump, and the branch pipe passes through the air.
  • the joint communicates with the main pipe;
  • the branch pipe includes a first branch pipe and a second branch pipe; the first end of the first branch pipe is connected to the gas joint, and the pipe body is turned to the air inlet end of the second branch pipe Connected, and the second end thereof extends and protrudes to form a dust collecting chamber;
  • the air outlet end of the second branch pipe is connected to the air release valve.
  • a sphygmomanometer includes an air pump, a solenoid valve, a cuff, a vent valve, a pressure sensor, a main PCB board and a housing.
  • the innovation lies in that it includes the above-mentioned pipeline structure.
  • the first end of the first branch pipe is connected to the air joint, and the pipe body is connected to the air inlet end of the second branch pipe in a turning connection, and the second end thereof extends and protrudes to form A dust-collecting chamber; the outlet end of the second branch pipe is connected to the bleed valve", the "first end” and the “second end” of the first branch pipe are the two ends of the branch, and the first branch pipe The first end is its intake end.
  • dust is carried by the airflow, and after passing through the junction of the first branch pipe and the second branch pipe, it falls into the dust collection chamber and cannot easily enter the second branch pipe, thereby preventing the sphygmomanometer's vent valve from being blocked.
  • the position of the air release valve is higher than the dust collection chamber. This setting can be combined with the effect of gravity to achieve a better dust collection effect.
  • the first branch pipe and the second branch pipe are both straight pipes; as a further preference, the two are arranged vertically, and the branch pipe is in a "T" shape; as a further preference, the first branch pipe is The second end of the branch pipe is a plugged end to form the dust collection chamber.
  • the above-mentioned preferred solution uses a relatively simple structure to form a dust collection chamber that can effectively prevent the bleed valve from clogging.
  • the gas connector includes a first interface connected to the main pipeline, a second interface connected to the branch pipeline, a third interface connected to the cuff, and a fourth interface connected to the pressure sensor through a connecting tube. interface.
  • the arrangement of the gas joint can realize the integration of pipelines and simplify the connection of pipelines.
  • the included angle between the first interface and the second interface is greater than or equal to 90 degrees and less than or equal to 180 degrees; the third interface and the fourth interface are arranged oppositely. This setting is beneficial to improve the compactness of the pipeline structure layout integration, and also helps to reduce the test error.
  • one end of the main pipe is connected to a solenoid valve, and the other end is plugged with a plug for sealing. This arrangement is beneficial to further improve the compactness of the pipeline structure layout integration.
  • the utility model is provided with a branch pipeline between the main pipe and the vent valve.
  • the branch pipeline includes a first branch pipe and a second branch pipe.
  • the body is pivotally connected with the air inlet end of the second branch pipe, and the second end thereof extends and protrudes to form a dust collecting cavity.
  • the dust is carried by the airflow, and after passing through the junction of the first branch pipe and the second branch pipe, it falls into the dust collection chamber and is not easy to enter the second branch pipe, thereby preventing the sphygmomanometer's vent valve from being blocked.
  • a better dust collection effect can be achieved.
  • the utility model connects the branch pipeline to the pipeline through a gas joint, which is beneficial to the integration of compact pipeline structure and easy assembly and disassembly.
  • the gas joint is preferably set as a four-way joint, which is beneficial to further improve the compactness of the pipeline structure layout integration.
  • Figure 1 is a perspective view of the pipeline structure in the utility model assembled in a sphygmomanometer
  • Figure 2 is a side cross-sectional view of the pipeline structure in the utility model assembled in the sphygmomanometer
  • Figure 3 is a three-dimensional view of the pipeline structure in the utility model and related sphygmomanometer accessories in a connected state;
  • Figure 4 is a schematic diagram of the structure of the branch pipeline in the utility model
  • Figure 5 is a schematic diagram of the connection of the main pipe and branch pipes with the gas joint in the utility model
  • Figure 6 is a schematic diagram of a part of the structure of the connection between the main pipe and related accessories in the utility model.
  • Main pipe 2. Gas joint; 201. First interface; 202. Second interface; 203. Third interface; 204. Fourth interface; 3. Branch pipeline; 301. First branch pipe; 3011. Dust collection chamber; 302. Second branch pipe; 4. Connecting pipe; 5. Air pump; 6. Vent valve; 7. Pressure sensor; 8. Solenoid valve; 9. Plug.
  • a pipeline structure for connecting the air pump 5 of the sphygmomanometer and the bleed valve 6.
  • the pipeline structure includes a main pipe 1, a gas joint 2 and a branch pipe 3, and the main pipe 1 is connected
  • the air pump 5, the branch pipeline 3 communicates with the main pipe 1 through the air connector 2;
  • the branch pipeline 3 includes a first branch pipe 301 and a second branch pipe 302;
  • the first end of the first branch pipe 301 is connected to the On the air connector 2
  • the tube body is connected to the inlet end of the second branch pipe 302 in a turning connection, and the second end thereof extends and protrudes to form a dust collection chamber 3011;
  • the outlet end of the second branch pipe 302 is connected to the air outlet Valve 6.
  • the position of the air release valve 6 is higher than the dust collection chamber 3011.
  • the first branch pipe 301 and the second branch pipe 302 are straight pipes, and the structure is simple and easy to implement.
  • this embodiment is not limited to this, and it may also be a bent pipe (such as a structure such as the second end of the first branch pipe bent downward), a combined pipe or a hose, which is easily understood and accepted by those skilled in the art.
  • the first branch pipe 301 and the second branch pipe 302 are vertically arranged, and the branch pipe 3 is in a "T" shape, but this embodiment is not limited to this ,
  • the two can also form other angles. Only when the angle between the air intake direction of the first branch pipe and the second branch pipe is a relatively large obtuse angle, the dust collection effect is relatively poor, which is easily understood and accepted by those skilled in the art.
  • the second end of the first branch pipe 301 is a plugged end to form the dust collection chamber 3011.
  • This structure is simple and easy to implement.
  • the second end of the first branch pipe 301 may be an open end, which is sealed with a seal.
  • the seal may be a conventional plug or a cap with dust absorption function.
  • the device; the sealing member and the second end of the open end can be integrally connected, can be a fixed connection such as glue, or a detachable sealed connection such as a screw thread, a buckle, etc., which is easily understood and accepted by those skilled in the art.
  • the gas connector 2 includes a first interface 201 connected to the main line 1, a second interface 202 connected to the branch line 3, a third interface 203 connected to the cuff, and
  • the fourth interface 204 of the pressure sensor 7 is connected through a connecting pipe 4.
  • the arrangement of the gas joint can realize the integration of pipelines and simplify the connection of pipelines.
  • the first interface 201 and the second interface 202 are arranged vertically; the third interface 203 and the fourth interface 204 are arranged oppositely, this arrangement is beneficial to improve the compactness of the pipeline structure layout integration, and also helps to reduce the test error .
  • the setting of the interface angle in this embodiment is not limited to this, which is easily understood and accepted by those skilled in the art.
  • one end of the main pipe 1 is connected to the solenoid valve 8, and the other end is plugged with a plug 9 for sealing.
  • This arrangement is beneficial to further improve the integration of the pipeline structure. Compactness.
  • this embodiment is not limited to this.
  • the solenoid valve 8 can also be arranged on the body of the main pipe 1, or on a branch road; for another example, the end of the main pipe 1 may not be provided with an end plug, and an integrated sealing pipe can be used. This is easily understood and accepted by those skilled in the art.
  • Embodiment 2 A sphygmomanometer, as shown in Figures 1 and 2, includes an air pump 5, a solenoid valve 8, a cuff, a vent valve 6, a pressure sensor 7, a main PCB board and a housing, and also includes the The pipeline structure.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physiology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Ophthalmology & Optometry (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

一种管路结构，用以连通血压计的气泵(5)和泄气阀(6)，管路结构包括主管路(1)、气接头(2)以及支管路(3)，主管路(1)连接气泵(5)，支管路(3)通过气接头(2)与主管路(1)连通；支管路(3)包括第一支管(301)和第二支管(302)；第一支管(301)的第一端连接在气接头(2)上，第一支管(301)的管身与第二支管(302)的进气端转折连接，且第一支管(301)的第二端延伸凸出形成一集尘腔(3011)；第二支管(302)的出气端连接泄气阀(6)。一种采用管路结构的血压计，包括气泵(5)、电磁阀(8)、袖带、泄气阀(6)、压力传感器(7)、主PCB板以及壳体。能够简便、有效地防止血压计泄气阀(6)堵塞。

Description

一种管路结构及采用该管路结构的血压计 技术领域
本实用新型涉及医疗设备领域，特别涉及一种管路结构及采用该管路结构的血压计。
背景技术
心血管疾病是中老年人最常见疾病之一，作为测量血压的仪器，血压计成为广为应用且使用频次非常高的医疗器械。目前主流的血压计有电子血压计和水银血压计两种，其中，电子血压计由于具有使用简单、测量方便的优势，受到越来越多的青睐。在电子血压计中，包括气泵、泄气阀、压力传感器、电磁阀等元器件，而其间的连接管路也是电子血压计必不可少的组成部分，对血压计的可靠性有直接的影响。
然而，现有技术存在一定的弊端，首先，当前的连接管路通常不具备防尘功能，导致在血压计的使用过程中，泄气阀堵塞成为常见的问题，会影响血压计的可靠性，且不利于稳定血压计的寿命及测试精度。其次，在目前的市场上，电子血压计内部管路普遍采用非集成管路的方式，即通过多根管路将各元器件相连，从而形成血压计内部气路——采用这种设计，一方面，零配件较多，且需要把每根管路都单独裁剪；另一方面，产线装配也很不方便，机器内部凌乱的管路会加大装配的复杂性，装配容易出错。
有鉴于此，如何设计一种管路结构及采用该管路结构的血压计，能够防止血压计泄气阀堵塞且结构紧凑、装配简便是本实用新型研究的课题。
发明内容
本实用新型提供一种管路结构及采用该管路结构的血压计，其目的是能够简便、有效地防止血压计泄气阀堵塞。
为达到上述目的，本实用新型采用的技术方案是：
一种管路结构，用以连通血压计的气泵和泄气阀，其创新在于：该管路结构包括主管路、气接头以及支管路，所述主管路连接气泵，所述支管路通过所述气接头与主管路连通；所述支管路包括第一支管和第二支管；所述第一支管的第一端连接在所述气接头上，其管身与所述第二支管的进气端转折连接，且其第二端延伸凸出形成一集尘腔；所述第二支管的出气端连接所述泄气阀。
一种血压计，包括气泵、电磁阀、袖带、泄气阀、压力传感器、主PCB板以及壳体，其创新在于：包括上述管路结构。
上述技术方案中的有关内容解释如下：
1.在本方案中，“所述第一支管的第一端连接在所述气接头上，其管身与所述第二支管的进气端转折连接，且其第二端延伸凸出形成一集尘腔；所述第二支管的出气端连接所述泄气阀”中，第一支管的“第一端”和“第二端”为该支管的两个端部，其中，第一支管的 第一端为其进气端。另外，在工作状态下，灰尘经气流携带，在通过第一支管和第二支管的交接处后，落入集尘腔，不易进入第二支管，从而能够防止血压计泄气阀堵塞。
2.在本方案中，优选地，在工作状态下，所述泄气阀的位置高于所述集尘腔。该设置可以结合重力的作用，达到更好的集尘效果。
3.在本方案中，作为优选，所述第一支管和第二支管均为直管；作为进一步优选，二者垂直设置，所述支管路呈“T”形；作为进一步优选，所述第一支管的第二端为封堵端，以形成所述集尘腔。上述优选方案，以较简易的结构，形成能有效防止泄气阀堵塞的集尘腔。
4.在本方案中，作为优选，所述气接头包括连接主管路的第一接口、连接支管路的第二接口、连接袖带的第三接口和通过连接一连接管连通压力传感器的第四接口。该气接头的设置能够实现管路的集成，简化连接管路。作为进一步优选，所述第一接口与第二接口的夹角大于或等于90度，且小于或等于180度；所述第三接口和第四接口相对设置。该设置有益于提高管路结构布置集成的紧凑性，还有助于减小测试误差。
5.在本方案中，作为优选，所述主管路一端连接电磁阀，另一端塞设一堵头以密封。该设置有益于进一步提高管路结构布置集成的紧凑性。
本实用新型的设计原理和有益效果是：
针对血压计，本实用新型在主管路和泄气阀之间设置支管路，该支管路包括第一支管和第二支管，所述第一支管的第一端连接在所述气接头上，其管身与所述第二支管的进气端转折连接，且其第二端延伸凸出形成一集尘腔。在工作状态下，灰尘经气流携带，在通过第一支管和第二支管的交接处后，落入集尘腔，不易进入第二支管，从而能够防止血压计泄气阀堵塞。优选地，结合泄气阀在工作状态下位置高于集尘腔的设置，可以达到更好的集尘效果。
另外，本实用新型把支管路通过气接头连入管路中，有利于管路结构集成紧凑、装卸简便。在本实用新型中，该气接头优选设为四通接头，有利于进一步提高管路结构布置集成的紧凑性。
附图说明
附图1为本实用新型中的管路结构装配于血压计中的立体图；
附图2为本实用新型中的管路结构装配于血压计中的侧面剖视图；
附图3为本实用新型中的管路结构与相关血压计配件处于连接状态下的立体图；
附图4为本实用新型中的支管路的结构示意图；
附图5为本实用新型中的主管路和支管路与气接头连接的结构示意图；
附图6为本实用新型中的主管路与相关配件连接的部分结构示意图。
以上附图中：1.主管路；2.气接头；201.第一接口；202.第二接口；203.第三接口；204.第四接口；3.支管路；301.第一支管；3011.集尘腔；302.第二支管；4.连 接管；5.气泵；6.泄气阀；7.压力传感器；8.电磁阀；9.堵头。
具体实施方式
下面结合附图及实施例对本实用新型作进一步描述：
实施例一：一种管路结构
请参考图1至图3，一种管路结构，用以连通血压计的气泵5和泄气阀6，该管路结构包括主管路1、气接头2以及支管路3，所述主管路1连接气泵5，所述支管路3通过所述气接头2与主管路1连通；所述支管路3包括第一支管301和第二支管302；所述第一支管301的第一端连接在所述气接头2上，其管身与所述第二支管302的进气端转折连接，且其第二端延伸凸出形成一集尘腔3011；所述第二支管302的出气端连接所述泄气阀6。在工作状态下，所述泄气阀6的位置高于所述集尘腔3011。
如图1、图3和图4所示，在本实施例中，所述第一支管301和第二支管302均为直管，该结构简易，易于实现。但本实施例不限于此，还可以是弯管(如第一支管的第二端向下弯曲等结构)、组合管或软管等，这是本领域技术人员容易理解并接受的。
如图1、图3和图4所示，在本实施例中，所述第一支管301和第二支管302垂直设置，所述支管路3呈“T”形，但本实施例不限于此，二者还可以成其他角度。只是在第一支管与第二支管的进气方向夹角为较大钝角的情况下，集尘效果相对较差而已，这是本领域技术人员容易理解并接受的。
如图3和图4所示，所述第一支管301的第二端为封堵端，以形成所述集尘腔3011，该结构简易，易于实现。但本实施例不限于此，例如第一支管301的第二端可为开口端，结合一密封件进行密封，该密封件可以为常规的堵头，也可以为具有灰尘吸附功能的盖帽等密封装置；该密封件与开口端的第二端可以为一体连接，可以为黏胶等固定连接，也可以为螺纹、卡扣等可拆卸的密封连接，这是本领域技术人员容易理解并接受的。
如图3和图5所示，在本实施例中，所述气接头2包括连接主管路1的第一接口201、连接支管路3的第二接口202、连接袖带的第三接口203和通过连接一连接管4连通压力传感器7的第四接口204。作为优选结构，该气接头的设置能够实现管路的集成，简化连接管路。所述第一接口201与第二接口202垂直设置；所述第三接口203和第四接口204相对设置，该设置有益于提高管路结构布置集成的紧凑性，还有助于减小测试误差。本实施例对于接口角度的设置不限于此，这是本领域技术人员容易理解并接受的。
在本实施例中，具体地，结合图6所示，所述主管路1一端连接电磁阀8，另一端塞设一堵头9用以密封，该设置有益于进一步提高管路结构布置集成的紧凑性。但本实施例不限于此，如电磁阀8还可以设置在主管路1的管身，还可以设置在支路上；又如，主管路1的端部可以不设置端堵，用一体的密封管端代替，这是本领域技术人员容易理解并接受的。
实施例二：一种血压计，如图1和图2所示，包括气泵5、电磁阀8、袖带、泄气阀6、压力传感器7、主PCB板以及壳体，还包括实施例一中所述的管路结构。
上述实施例只为说明本实用新型的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本实用新型的内容并据以实施，并不能以此限制本实用新型的保护范围。凡根据本实用新型精神实质所作的等效变化或修饰，都应涵盖在本实用新型的保护范围之内。
Figure PCTCN2020114251-appb-000001

Claims (10)

  1. 一种管路结构，用以连通血压计的气泵(5)和泄气阀(6)，其特征在于：该管路结构包括主管路(1)、气接头(2)以及支管路(3)，所述主管路(1)连接气泵(5)，所述支管路(3)通过所述气接头(2)与主管路(1)连通；
    所述支管路(3)包括第一支管(301)和第二支管(302)；所述第一支管(301)的第一端连接在所述气接头(2)上，其管身与所述第二支管(302)的进气端转折连接，且其第二端延伸凸出形成一集尘腔(3011)；所述第二支管(302)的出气端连接所述泄气阀(6)。
  2. 根据权利要求1所述的管路结构，其特征在于：在工作状态下，所述泄气阀(6)的位置高于所述集尘腔(3011)。
  3. 根据权利要求1所述的管路结构，其特征在于：所述第一支管(301)和第二支管(302)均为直管。
  4. 根据权利要求3所述的管路结构，其特征在于：所述第一支管(301)和第二支管(302)垂直设置，所述支管路(3)呈“T”形。
  5. 根据权利要求1所述的管路结构，其特征在于：所述第一支管(301)的第二端为封堵端，以形成所述集尘腔(3011)。
  6. 根据权利要求1所述的管路结构，其特征在于：所述气接头(2)包括连接主管路(1)的第一接口(201)、连接支管路(3)的第二接口(202)、连接袖带的第三接口(203)和通过连接一连接管(4)连通压力传感器(7)的第四接口(204)。
  7. 根据权利要求6所述的管路结构，其特征在于：所述第一接口(201)与第二接口(202)的夹角大于或等于90度，且小于或等于180度；所述第三接口(203)和第四接口(204)相对设置。
  8. 根据权利要求6所述的管路结构，其特征在于：所述气泵(5)和所述气接头(2)的第一接口(201)均转折连接在所述主管路(1)的管身上。
  9. 根据权利要求1所述的管路结构，其特征在于：所述主管路(1)一端连接电磁阀(8)，另一端塞设一堵头(9)用以密封。
  10. 一种血压计，包括气泵(5)、电磁阀(8)、袖带、泄气阀(6)、压力传感器(7)、主PCB板以及壳体，其特征在于：包括权利要求1至9中任意一种管路结构。
PCT/CN2020/114251 2020-05-19 2020-09-09 一种管路结构及采用该管路结构的血压计 WO2021232622A1 (zh)

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