WO2020093967A1 - 有创动脉压监测的新型导管及使用方法 - Google Patents

有创动脉压监测的新型导管及使用方法 Download PDF

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Publication number
WO2020093967A1
WO2020093967A1 PCT/CN2019/115336 CN2019115336W WO2020093967A1 WO 2020093967 A1 WO2020093967 A1 WO 2020093967A1 CN 2019115336 W CN2019115336 W CN 2019115336W WO 2020093967 A1 WO2020093967 A1 WO 2020093967A1
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pressure
arterial pressure
transmission device
tubular structure
signal transmission
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PCT/CN2019/115336
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English (en)
French (fr)
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刘广志
龚艳君
李建平
易铁慈
郑博
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苏州润迈德医疗科技有限公司
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Publication of WO2020093967A1 publication Critical patent/WO2020093967A1/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
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body

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  • the invention relates to the technical field of coronary artery medicine, in particular to a novel catheter for invasive arterial pressure monitoring and a method of use.
  • Invasive arterial pressure monitoring is suitable for severe diseases and surgical procedures. It is used to accurately detect the arterial pressure of patients. It can be measured in real time and can be used to judge and analyze the myocardial contractility according to the changes in arterial waveform.
  • the current implementation method requires (1) arterial catheter, (2) pressure connection tube, (3) pressure transducer, (4) continuous irrigation system, and (5) pressure detector.
  • the percutaneous radial artery puncture catheterization method is often used for the radial artery and femoral artery.
  • the arterial catheter enters from the puncture site and is placed in the blood vessel where the pressure measurement is required.
  • the extracorporeal catheter port is connected to the pressure measurement device.
  • the prior art has the following problems: (1) The pressure connecting pipe needs to be connected to a pressurized saline bag for flushing and exhausting with physiological saline. When the connecting pipeline changes, repeated exhausting is required. (2) The pressure sensor needs to be at the same level as the measurement location for exhaust zero calibration. After the patient's posture changes or the bed height changes, the pressure sensor height needs to be adjusted to re-zero. (3) The connection between the pressure pipeline and the conduit and the pressure sensor is likely to cause liquid leakage and air leakage to affect the pressure accuracy, and the pressure pipeline distortion will also affect the pressure accuracy.
  • the present invention provides a new type of catheter for invasive arterial pressure monitoring and its use method to solve the problems of inaccurate pressure measurement, cumbersome operation of repeated exhaust and zero calibration caused by the split connection of the pressure connection tube and pressure sensor in the prior art .
  • the present application provides a novel catheter for invasive arterial pressure monitoring, which includes: a body, a pressure collecting device, and a signal transmission device;
  • the body is a tubular device with a through cavity inside;
  • the pressure collecting device is disposed on the inner wall of the body, and the pressure collecting device is used to collect arterial pressure;
  • the signal transmission device is disposed in the wall of the body, and the signal transmission device is electrically connected to the pressure collection device and is configured to receive the arterial pressure signal sent by the pressure collection device.
  • the body includes a first tubular structure and a second tubular structure, the first tubular structure is sheathed outside the second tubular structure, and the first tubular A first gap is provided between the structure and the second tubular structure, and the signal transmission device is provided in the first gap.
  • the first slit is a first ring structure
  • the signal transmission device is a circular metal conductive layer
  • the circular metal conductive layer is disposed on Within the first ring structure
  • the material of the first tubular structure and the second tubular structure is nylon plastic.
  • the body further includes a third tubular structure and a reinforcement structure, the second tubular structure is sheathed outside the third tubular structure, and the second tubular structure A second gap is provided between the third tubular structure, and the reinforcing structure is provided in the second gap.
  • the second slit is a second ring structure
  • the reinforcement structure is a circular ring-shaped reinforcement layer
  • the circular ring-shaped reinforcement layer is provided on the first Within the two-ring structure
  • the material of the third tubular structure is nylon plastic; and / or
  • the reinforcement structure is a metal braided mesh.
  • the above-mentioned novel catheter for invasive arterial pressure monitoring further includes: a connecting device, which is connected to the end of the body along a direction away from the pressure collecting device.
  • connection device has a hollow structure communicating with the through cavity, a data transmission device is provided on the connection device, the data transmission device and the signal The transmission device is electrically connected; the through cavity and the hollow structure are used for liquid flow; and / or
  • the connecting device has a Y-shaped structure.
  • the signal transmission device is a conductive metal mesh; and / or
  • the pressure collecting device is a pressure sensor
  • the outer diameter of the body is 6F, and the inner diameter is 5F.
  • the present application provides a method for using a novel catheter for invasive arterial pressure monitoring, including:
  • the end of the novel catheter for invasive arterial pressure monitoring is provided with a pressure collecting device, and enters the artery blood vessel to be measured blood pressure through the puncture site;
  • the blood pressure collection device transmits the collected arterial pressure to the signal transmission device.
  • the above-mentioned method for using the novel catheter for invasive arterial pressure monitoring further includes:
  • the signal transmission device sends the arterial pressure data to the data transmission device
  • This application provides a new type of catheter for invasive arterial pressure monitoring.
  • the blood pressure collection device and signal transmission device By setting the blood pressure collection device and signal transmission device on the body, it is an integrated structure, so the position of the baroreceptor is consistent with the target pressure measurement position, no need to consider horizontal height adjustment, and avoid duplication Zero calibration, eliminating the pressure connecting pipe and pressure transducer, removing the intermediate link pipeline connection, avoiding the problem of inaccurate pressure detection data caused by pipeline leakage and air leakage, and also avoiding waveform attenuation caused by pressure pipeline transmission
  • the catheter has a simple structure, convenient operation, and fast and accurate detection.
  • FIG. 1 is a schematic structural diagram of an embodiment of a novel catheter for invasive arterial pressure monitoring of the present application
  • FIG. 2 is a partial structural schematic diagram of a novel catheter for invasive arterial pressure monitoring of this application
  • FIG. 3 is a cross-sectional view of a novel catheter for invasive arterial pressure monitoring of this application
  • FIG. 4 is a flowchart of a method for using a novel catheter for invasive arterial pressure monitoring of the present application
  • Body 100 through cavity 110, first tubular structure 120, second tubular structure 130, first void 140, third tubular structure 150, reinforcement structure 160, second void 170, pressure acquisition device 200, signal transmission device 300, connection Device 400, hollow structure 410, data transmission device 420.
  • the prior art has the following problems: (1) The pressure connecting pipe needs to be connected to a pressurized saline bag for flushing and exhausting with physiological saline. When the connecting pipeline changes, repeated exhausting is required. (2) The pressure sensor needs to be at the same level as the measurement site for exhaust zero calibration. After the patient's posture changes or the bed height changes, the pressure sensor height needs to be adjusted to re-zero. (3) The connection between the pressure pipeline and the conduit and the pressure sensor is likely to cause liquid leakage and air leakage to affect the pressure accuracy, and the pressure pipeline distortion will also affect the pressure accuracy.
  • the present application provides a novel catheter for invasive arterial pressure monitoring, including: a body 100, a pressure acquisition device 200, and a signal transmission device 300; the body 100 is provided with a through cavity 110 inside Tubular device; pressure collecting device 200 is set on the inner wall of body 100, pressure collecting device 200 is used to collect arterial pressure; signal transmission device 300 is set in the wall of body 100, signal transmission device 300 is electrically connected with pressure collecting device 200 , For receiving the arterial pressure signal sent by the pressure collecting device 200.
  • the blood pressure collection device and the signal transmission device are provided on the body as an integrated structure, so the position of the pressure sensor is consistent with the target pressure measurement position, no need to consider the horizontal height adjustment, avoid repeated zero calibration, and eliminate the pressure connection tube and pressure change
  • the device can remove the intermediate link pipeline connection to avoid the problem of inaccurate pressure detection data caused by pipeline leakage and air leakage, and also avoid the waveform attenuation caused by the pressure pipeline transmission.
  • the catheter has a simple structure, convenient operation and fast detection accurate.
  • the body 100 includes a first tubular structure 120 and a second tubular structure 130.
  • the first tubular structure 120 is sheathed outside the second tubular structure 130, and the first tubular structure
  • a first gap 140 is disposed between 120 and the second tubular structure 130, and the signal transmission device 300 is disposed within the first gap 140.
  • This arrangement can ensure that the signal transmission device 300 is not in contact with the liquid, prolongs the service life, and meets the requirements of the medical field; and the signal transmission device 300 is compressed by the first tubular structure 120 and the second tubular structure 130 without shaking. The transmission signal is better.
  • the first slit 140 is a first ring structure
  • the signal transmission device 300 is a circular metal conductive layer
  • the circular metal conductive layer is disposed on the first Within the ring structure; preferably, the material of the first tubular structure 120 and the second tubular structure 130 is nylon plastic, and the metal conductive layer is an aluminum guide wire braided mesh.
  • the body 100 further includes a third tubular structure 150 and a reinforcement structure 160, the second tubular structure 130 is sheathed outside the third tubular structure 150, and the second tubular structure 130 A second gap 170 is provided between the third tubular structure 150 and the reinforcing structure 160 is provided in the second gap 170.
  • a reinforcement structure 160 is provided on the body 100, and a third tubular structure 150 is provided outside the reinforcement structure 160, so that the catheter has a good supporting effect.
  • the second gap 170 is a second ring structure
  • the reinforcement structure 160 is a circular ring-shaped reinforcement layer
  • the circular ring-shaped reinforcement layer is disposed on the second ring structure Inside.
  • the setting of the ring improves the uniformity of the force and makes the weighing capacity of the catheter basically the same.
  • the material of the third tubular structure 150 is nylon plastic.
  • FIG. 1 it further includes: a connecting device 400, which is connected to the end of the body 100 along the direction away from the pressure collecting device 200.
  • the end of the body 100 corresponding to the pressure collecting device 200 is referred to as the distal end
  • the end of the body 100 corresponding to the connecting device 400 is referred to as the proximal end
  • the distal end enters the blood vessel through the puncture site.
  • the connection device 400 has a hollow structure 410 communicating with the through cavity 110, a data transmission device 420 is provided on the connection device 400, and the data transmission device 420 is electrically connected to the signal transmission device 300 ;
  • the cavity 110 and the hollow structure 410 are used for liquid flow.
  • This application realizes the electrical connection with the external pressure detector through the connection device 400, and realizes the purpose of transmitting the arterial pressure value to the external pressure detector for display; and the hollow structure 420 is created by passing a guide wire or injection during contrast surgery Contrast agent etc. can realize the routine operation of catheter.
  • connection device 400 is a Y-shaped structure.
  • the pressure collecting device 200 is a pressure sensor.
  • the pressure sensor is a miniature pressure sensor, which is small in size and meets the requirements of the medical field.
  • the outer diameter of the body 100 is 6F, and the inner diameter is 5F.
  • this application provides a method for using a novel catheter for invasive arterial pressure monitoring, including:
  • the end of the novel catheter for invasive arterial pressure monitoring is provided with a pressure collection device, and enters the artery blood vessel to be measured blood pressure through the puncture site;
  • the blood pressure collection device 200 transmits the collected arterial pressure to the signal transmission device 300.
  • the use of the above-mentioned novel catheter for invasive arterial pressure monitoring also includes:
  • the signal transmission device 300 sends the arterial pressure data to the data transmission device 420;
  • S500 Send the arterial pressure data to an external pressure detector through the data transmission device 420.

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Abstract

一种有创动脉压监测的导管及使用方法。该有创动脉压监测的导管包括：本体(100)、压力采集装置(200)和信号传输装置(300)；本体(100)为内部具有通腔(110)的管状装置；压力采集装置(200)设置于本体(100)的内壁上，压力采集装置(200)用于采集动脉压；信号传输装置(300)设置于本体(100)的管壁内，信号传输装置(300)与压力采集装置(200)电连接，用于接收压力采集装置(200)发送的动脉压信号。该导管在本体(100)上设置压力采集装置(200)和信号传输装置(300)，为一体式结构，因此压力采集装置(200)的位置与目标测压位置一致，无需考虑水平高度调整，避免重复校零，省去压力连接管和压力换能器，避免管路漏液漏气导致的压力检测数据不准确、压力管路传递造成的波形衰减的问题，导管结构简单，操作方便，检测快速精确。

Description

有创动脉压监测的新型导管及使用方法 技术领域
本发明涉及冠状动脉医学技术领域，特别是涉及一种有创动脉压监测的新型导管及使用方法。
背景技术
有创动脉压监测适应于重症疾病、手术过程中，用于精确检测患者动脉压力，可以实时取值可根据动脉波形变化来判断分析心肌的收缩能力。
目前实现方法需要(1)动脉导管、(2)压力连接管、(3)压力换能器、(4)连续冲洗系统、(5)压力检测仪。
经皮桡动脉穿刺置管法常用于桡动脉、股动脉，动脉导管从穿刺处进入，置于需要测压部位的血管内，将体外导管接口管连接测压装置。
现有技术存在如下问题：(1)压力连接管需要连接加压盐水袋用生理盐水进行冲洗排气，当连接管路变动需要重复排气。(2)压力传感器需要和测量部位位于同一水平高度进行排气校零，患者体位变化或者床高度变化后需要调整压力传感器高度重新校零。(3)压力管路与导管及压力传感器连接处容易导致漏液漏气影响压力准确度，压力管路扭曲也会影响压力准确度。
发明内容
本发明提供了一种有创动脉压监测的新型导管及使用方法，以解决现有技术中压力连接管、压力传感器分体式连接导致的压力测量不准确，重复排气、校零操作繁琐的问题。
为实现上述目的，第一方面，本申请提供了一种有创动脉压监测的新型导管，包括：包括：本体、压力采集装置和信号传输装置；
所述本体为内部具有通腔的管状装置；
所述压力采集装置设置于所述本体的内壁上，所述压力采集装置用于采集动脉压；
所述信号传输装置，设置于所述本体的管壁内，所述信号传输装置与所述压力采集装置电连接，用于接收所述压力采集装置发送的动脉压信号。
可选地，上述的有创动脉压监测的新型导管，所述本体包括第一管状结构和第二管状结构，所述第一管状结构套装于所述第二管状结构外部，所述第一管状结构和所述第二管状结构之间设置第一空隙，所述信号传输装置设置于所述第一缝隙内。
可选地，上述的有创动脉压监测的新型导管，所述第一缝隙为第一圆环结构，所述信号传输装置为圆环形金属导电层，所述圆环形金属导电层设置于所述第一圆环结构内；和/或
所述第一管状结构和第二管状结构的材质为尼龙塑料。
可选地，上述的有创动脉压监测的新型导管，所述本体还包括第三管状结构和加固结构，所述第二管状结构套装于所述第三管状结构外部，所述第二管状结构和所述第三管状结构之间设置第二空隙，所述加固结构设置于所述第二缝隙内。
可选地，上述的有创动脉压监测的新型导管，所述第二缝隙为第二圆环结构，所述加固结构为圆环形加固层，所述圆环形加固层设置于所述第二圆环结构内；和/或
所述第三管状结构的材质为尼龙塑料；和/或
所述加固结构为金属编织网。
可选地，上述的有创动脉压监测的新型导管，还包括：连接装置，沿着远离所述压力采集装置的方向，所述连接装置连接于所述本体的端部。
可选地，上述的有创动脉压监测的新型导管，所述连接装置具有与所述通 腔连通的中空结构，在所述连接装置上设置数据传输装置，所述数据传输装置与所述信号传输装置电连接；所述通腔和所述中空结构用于液体流动；和/或
所述连接装置为Y型结构。
可选地，上述的有创动脉压监测的新型导管，所述信号传输装置为导电金属网；和/或
所述压力采集装置为压力传感器；
所述本体的外径为6F，内径为5F。
第二方面，本申请提供了一种有创动脉压监测的新型导管的使用方法，包括：
将上述的有创动脉压监测的新型导管上设置有压力采集装置的一端，通过穿刺处进入待测量血压的动脉血管内；
血液从本体的通腔内流过时触动血压采集装置；
所述血压采集装置将采集到的动脉压传递给信号传输装置。
可选地，上述的有创动脉压监测的新型导管的使用方法，还包括：
所述信号传输装置将动脉压数据发送给数据传输装置；
通过数据传输装置将动脉压数据发送给外部的压力检测仪。
本申请实施例提供的方案带来的有益效果至少包括：
本申请提供了有创动脉压监测的新型导管，通过在本体上设置血压采集装置和信号传输装置，为一体式结构，因此压力感受器位置与目标测压位置一致，无需考虑水平高度调整，避免重复校零，省去压力连接管和压力换能器，去掉中间环节管路连接，避免管路漏液漏气导致的压力检测数据不准确的问题，同时也避免因压力管路传递造成的波形衰减，该导管结构简单，操作方便，检测快速精确。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本申请的有创动脉压监测的新型导管的一个实施例的结构示意图；
图2为本申请的有创动脉压监测的新型导管的局部结构示意图；
图3为本申请的有创动脉压监测的新型导管的剖视图；
图4为本申请的有创动脉压监测的新型导管的使用方法的流程图；
附图标记为：
本体100，通腔110，第一管状结构120，第二管状结构130，第一空隙140，第三管状结构150，加固结构160，第二空隙170，压力采集装置200，信号传输装置300，连接装置400，中空结构410，数据传输装置420。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合本发明具体实施例及相应的附图对本发明技术方案进行清楚、完整地描述。显然，所描述的实施例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。
以下将以图式揭露本发明的多个实施方式，为明确说明起见，许多实务上的细节将在以下叙述中一并说明。然而，应了解到，这些实务上的细节不应用以限制本发明。也就是说，在本发明的部分实施方式中，这些实务上的细节是非必要的。此外，为简化图式起见，一些习知惯用的结构与组件在图式中将以简单的示意的方式绘示之。
现有技术存在如下问题：(1)压力连接管需要连接加压盐水袋用生理盐水进行冲洗排气，当连接管路变动需要重复排气。(2)压力传感器需要和测量部位位于同一水平高度进行排气校零，患者体位变化或者床高度变化后需要 调整压力传感器高度重新校零。(3)压力管路与导管及压力传感器连接处容易导致漏液漏气影响压力准确度，压力管路扭曲也会影响压力准确度。
为了解决上述问题，如图1所示，本申请提供了一种有创动脉压监测的新型导管，包括：本体100、压力采集装置200和信号传输装置300；本体100为内部具有通腔110的管状装置；压力采集装置200设置于本体100的内壁上，压力采集装置200用于采集动脉压；信号传输装置300，设置于本体100的管壁内，信号传输装置300与压力采集装置200电连接，用于接收压力采集装置200发送的动脉压信号。
本申请通过在本体上设置血压采集装置和信号传输装置，为一体式结构，因此压力感受器位置与目标测压位置一致，无需考虑水平高度调整，避免重复校零，省去压力连接管和压力换能器，去掉中间环节管路连接，避免管路漏液漏气导致的压力检测数据不准确的问题，同时也避免因压力管路传递造成的波形衰减，该导管结构简单，操作方便，检测快速精确。
本申请的一个实施例中，如图2和图3所示，本体100包括第一管状结构120和第二管状结构130，第一管状结构120套装于第二管状结构130外部，第一管状结构120和第二管状结构130之间设置第一空隙140，信号传输装置300设置于第一缝隙140内。如此设置，能够保证信号传输装置300不与液体接触，延长了使用寿命，且符合医学领域的要求；且信号传输装置300被第一管状结构120和第二管状结构130压紧，不会晃动，传输信号更好。
本申请的一个实施例中，如图2和图3所示，第一缝隙140为第一圆环结构，信号传输装置300为圆环形金属导电层，圆环形金属导电层设置于第一圆环结构内；优选地，第一管状结构120和第二管状结构130的材质为尼龙塑料，金属导电层为铝导丝编织网。本实施例将信号传输装置300设置为圆环形金属导电层，延长了信号传输面积，保证压力采集装置200与信号传输装置300实现面接触，电连接更加稳定，信号传输更加稳定；为了与圆环形金属导电层匹 配使用，将第一缝隙140设置为第一圆环结构，结合线缆的制造工艺可知，如此设置制作工艺简单。
本申请的一个实施例中，如图2和图3所示，本体100还包括第三管状结构150和加固结构160，第二管状结构130套装于第三管状结构150外部，第二管状结构130和第三管状结构150之间设置第二空隙170，加固结构160设置于第二缝隙170内。为了提高导管的强度，在本体100上设置加固结构160，在加固结构160外侧设置第三管状结构150，使导管具有良好的支撑作用。
本申请的一个实施例中，如图2和图3所示，第二缝隙170为第二圆环结构，加固结构160为圆环形加固层，圆环形加固层设置于第二圆环结构内。圆环设置，提高了受力的均匀性，使导管各处称重能力基本相同。
本申请的一个实施例中，第三管状结构150的材质为尼龙塑料。
本申请的一个实施例中，加固结构160为金属编织网；优选地，金属编织网为不锈钢16锭双丝编织，金属编织网的单根丝径尺寸为0.04mm，编织密度为50DPI。如此设置，在保持了导管具有良好支撑的同时增加了导管的柔韧性，使其在操作过程中扭矩传导能力更佳，导管更容易进入冠状动脉。
本申请的一个实施例中，如图1所示，还包括：连接装置400，沿着远离压力采集装置200的方向，连接装置400连接于本体100的端部。
本申请将压力采集装置200对应的本体100的端部称为远端，连接装置400对应的本体100的端部称为近端，远端通过穿刺处进入血管内。
本申请的一个实施例中，如图1所示，连接装置400具有与通腔110连通的中空结构410，在连接装置400上设置数据传输装置420，数据传输装置420与信号传输装置300电连接；通腔110和中空结构410用于液体流动。本申请通过连接装置400与外部的压力检测仪实现电连接，实现了将动脉压力值传送到外部的压力检测仪进行显示的目的；且通过中空结构420在造影手术时通入 导丝或注射打造影剂等实现导管常规操作。
本申请的一个实施例中，如图1所示，连接装置400为Y型结构。
本申请的一个实施例中，如图1所示，压力采集装置200为压力传感器。压力传感器为微型压力传感器，体积小，满足医学领域的要求。
本申请的一个实施例中，如图1所示，本体100的外径为6F，内径为5F。
如图4所示，本申请提供了一种有创动脉压监测的新型导管的使用方法，包括：
S100，将上述的有创动脉压监测的新型导管上设置有压力采集装置的一端，通过穿刺处进入待测量血压的动脉血管内；
S200，血液从本体100的通腔110内流过时触动血压采集装置200；
S300，血压采集装置200将采集到的动脉压传递给信号传输装置300。
上述的有创动脉压监测的新型导管的使用方法，还包括：
S400，信号传输装置300将动脉压数据发送给数据传输装置420；
S500，通过数据传输装置420将动脉压数据发送给外部的压力检测仪。
本申请还可以通过中空结构420在造影手术时通入导丝或注射打造影剂等实现导管常规操作。
本发明的以上所述的具体实例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种有创动脉压监测的新型导管，其特征在于，包括：本体、压力采集装置和信号传输装置；
    所述本体为内部具有通腔的管状装置；
    所述压力采集装置设置于所述本体的内壁上，所述压力采集装置用于采集动脉压；
    所述信号传输装置，设置于所述本体的管壁内，所述信号传输装置与所述压力采集装置电连接，用于接收所述压力采集装置发送的动脉压信号。
  2. 根据权利要求1所述的有创动脉压监测的新型导管，其特征在于，所述本体包括第一管状结构和第二管状结构，所述第一管状结构套装于所述第二管状结构外部，所述第一管状结构和所述第二管状结构之间设置第一空隙，所述信号传输装置设置于所述第一缝隙内。
  3. 根据权利要求2所述的有创动脉压监测的新型导管，其特征在于，所述第一缝隙为第一圆环结构，所述信号传输装置为圆环形金属导电层，所述圆环形金属导电层设置于所述第一圆环结构内；和/或
    所述第一管状结构和第二管状结构的材质为尼龙塑料。
  4. 根据权利要求2所述的有创动脉压监测的新型导管，其特征在于，所述本体还包括第三管状结构和加固结构，所述第二管状结构套装于所述第三管状结构外部，所述第二管状结构和所述第三管状结构之间设置第二空隙，所述加固结构设置于所述第二缝隙内。
  5. 根据权利要求4所述的有创动脉压监测的新型导管，其特征在于，所述第二缝隙为第二圆环结构，所述加固结构为圆环形加固层，所述圆环形加固层设置于所述第二圆环结构内；和/或
    所述第三管状结构的材质为尼龙塑料；和/或
    所述加固结构为金属编织网。
  6. 根据权利要求1所述的有创动脉压监测的新型导管，其特征在于，还包括：连接装置，沿着远离所述压力采集装置的方向，所述连接装置连接于所述本体的端部。
  7. 根据权利要求6所述的有创动脉压监测的新型导管，其特征在于，所述连接装置具有与所述通腔连通的中空结构，在所述连接装置上设置数据传输装置，所述数据传输装置与所述信号传输装置电连接；所述通腔和所述中空结构用于液体流动；和/或
    所述连接装置为Y型结构。
  8. 根据权利要求1所述的有创动脉压监测的新型导管，其特征在于，所述信号传输装置为导电金属网；和/或
    所述压力采集装置为压力传感器；
    所述本体的外径为6F，内径为5F。
  9. 一种权利要求1～8任一项所述的有创动脉压监测的新型导管的使用方法，其特征在于，包括：
    将权利要求1～8任一项所述的有创动脉压监测的新型导管上设置有压力采集装置的一端，通过穿刺处进入待测量血压的动脉血管内；
    血液从本体的通腔内流过时触动血压采集装置；
    所述血压采集装置将采集到的动脉压传递给信号传输装置。
  10. 根据权利要求9所述的有创动脉压监测的新型导管的使用方法，其特征在于，还包括：
    所述信号传输装置将动脉压数据发送给数据传输装置；
    通过数据传输装置将动脉压数据发送给外部的压力检测仪。
PCT/CN2019/115336 2018-11-05 2019-11-04 有创动脉压监测的新型导管及使用方法 WO2020093967A1 (zh)

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