WO2018014512A1 - 一种心电导联线及心电测试仪 - Google Patents

一种心电导联线及心电测试仪 Download PDF

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Publication number
WO2018014512A1
WO2018014512A1 PCT/CN2016/113245 CN2016113245W WO2018014512A1 WO 2018014512 A1 WO2018014512 A1 WO 2018014512A1 CN 2016113245 W CN2016113245 W CN 2016113245W WO 2018014512 A1 WO2018014512 A1 WO 2018014512A1
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Prior art keywords
usb type
plug
lead wire
interface
ecg
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Ceased
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PCT/CN2016/113245
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English (en)
French (fr)
Inventor
徐章龙
肖冬毅
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A61B5/303—Patient cord assembly, e.g. cable harness
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/321—Accessories or supplementary instruments therefor, e.g. cord hangers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/465—Identification means, e.g. labels, tags, markings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/12—Connectors or connections adapted for particular applications for medicine and surgery

Definitions

  • the invention relates to the field of electrocardiogram testing, in particular to an electrocardiogram lead wire and an electrocardiograph.
  • the ECG tester is a device that can monitor the human heart. It is mainly composed of an ECG test host and an ECG lead wire.
  • the ECG test host has an ECG lead wire interface and a controller connected to the ECG lead wire interface.
  • the ECG test host is connected to the plug of the ECG lead wire through the ECG lead wire interface.
  • the ECG lead wire usually has 3, 5 or 12 electrodes to connect the upper limbs, lower limbs or chest of the human body according to different needs, and then adopts the 3-lead, 5-lead or 12-lead collection method to collect the human body's electrocardiogram.
  • the ECG lead wire suitable for the 3-lead acquisition mode usually has RA, LA and LL electrodes
  • the ECG lead wire suitable for the 5-lead collection mode is provided with RA, LA, LL, RL and The V electrode
  • the ECG lead wire suitable for the 12-lead acquisition mode generally has RA, LA, LL, RL, V, V+ and V1 to V6 electrodes.
  • the ECG lead wire When the ECG lead wire is connected to the ECG lead wire interface on the ECG test host, the ECG lead wire transmits the ECG signal collected by each electrode to the ECG lead wire interface, and the ECG lead wire interface connects RA, The LA, LL, RL, V, V+ or V1 to V6 signals are transmitted to the controller.
  • the plugs used in traditional ECG lead wires are mostly DB type or LEMO plugs.
  • the interface on the ECG test host is also a DB type interface or a LEMO female head. Due to the large size of the DB type interface or the LEMO female head, for some small portable or handheld ECG test hosts, there may not be enough space to arrange these interfaces, or the interface is too large to affect the ECG test.
  • the overall design of the mainframe Due to the large size of the DB type interface or the LEMO female head, for some small portable or handheld ECG test hosts, there may not be enough space to arrange these interfaces, or the interface is too large to affect the ECG test.
  • ECG lead wires that attempt to use a USB plug instead of a conventional DB type or LEMO plug.
  • CN202198593U discloses a lead device, and specifically discloses a plug using a USB plug as a lead device.
  • the ordinary USB plug and USB interface are still relatively large on the one hand.
  • the ordinary USB plug needs the correct insertion direction when inserted into the USB interface. If it is not inserted in the correct direction, it is easy to cause the plug or interface.
  • the conductive terminals inside are damaged.
  • the data transmission speed between the ordinary USB plug and the USB interface is also slow, and signal delay may occur during monitoring, so that the user cannot obtain the monitoring data in time, and thus cannot make an effective judgment.
  • an object of the present invention is to provide an ECG lead wire and an electrocardiograph, which solves the problem of space occupation caused by inconvenient insertion and removal and excessive interface volume by improving the plug and the interface.
  • the invention provides an electrocardiographic lead wire comprising a main cable, a splitter, a USB Type C plug and at least one lead wire; one end of the main cable is connected to the USB Type C plug, and the main cable is another One end is connected to the splitter, the lead wire is connected to the splitter, and a core in each lead wire is bundled into the main cable via the splitter, and is extended One end of the main cable is electrically connected to the USB Type C plug.
  • the USB Type C plug includes a metal casing, an insulative housing, at least two conductive terminals, a printed circuit board and a package, the insulative housing is disposed in the metal casing, and the conductive terminals are symmetrically disposed on the On opposite inner sidewalls of the insulative housing; the printed circuit board is disposed between the metal housing and the main cable, and one end of the printed circuit board is electrically connected to the conductive terminal, the printed circuit The other end of the board is electrically connected to a core within the main cable; the package encases the printed circuit board.
  • the USB Type C plug further includes a connecting member disposed between the metal casing and the package, the connecting member having a first sidewall and a second sidewall parallel to the metal casing, a first groove is defined in the first sidewall, a second groove is defined in the second sidewall, and the first groove and the second groove are symmetric with respect to the metal casing.
  • the USB Type C plug is an L-type plug.
  • the USB Type C plug further includes a connector disposed between the metal casing and the package, the connector having a third sidewall parallel to the casing, the third sidewall A third groove is opened.
  • the surface of the package is further provided with a convex direction indicator.
  • the surface of the package is provided with an anti-slip area, and the anti-slip area is provided with anti-slip bumps or anti-slip lines.
  • the invention also provides an electrocardiograph, comprising an electrocardiograph test host and the above-mentioned ECG lead wire, wherein the ECG test host is provided with a USB Type C interface, and the USB Type C plug on the ECG lead wire Access the USB Type C interface on the ECG test host.
  • the ECG test host further includes two protrusions disposed on opposite sides of the USB Type C interface, and the two protrusions are symmetric about the USB Type C interface.
  • the ECG test host further includes a protrusion disposed on one side of the USB Type C interface.
  • the ECG lead wire and the ECG tester provided by the present invention are designed to be collected by designing the USB Type C plug and using the USB Type C plug to connect with a corresponding USB Type C interface on the ECG test host. Signal transmission Lost to the ECG test host.
  • the embodiment of the invention has the following beneficial effects:
  • USB Type C plug is smaller than the conventional USB plug, the volume of the corresponding USB Type C interface is smaller than that of the conventional USB interface, so that the USB Type C interface can be used.
  • the small traditional USB interface occupies the surface space of the ECG test host.
  • the insertion of the USB Type C plug is non-directional, that is, the USB Type C plug can be inserted into the USB Type C interface on the front side or the USB Type C interface on the reverse side, thus facilitating the operation of the user and avoiding Damage to the conductive terminals or the pin ports in the connectors caused by improper insertion.
  • USB Type C plug and USB Type C interface Based on the connection mode of USB Type C plug and USB Type C interface, it has faster data transmission speed, which enables the collected signals to be transmitted to the ECG test host in a timely and rapid manner to ensure timely data transmission.
  • FIG. 1 is a schematic structural diagram of an electrocardiographic lead wire according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the lead wire of FIG. 1.
  • FIG. 3 is a schematic cross-sectional view of the main cable of FIG. 1.
  • FIG. 4 is a front elevational view of the USB Type C plug of FIG. 1.
  • FIG. 5 is a schematic diagram of a signal connection of the USB Type C plug of FIG. 1.
  • Figure 6 is a front elevational view of the USB Type C interface.
  • FIG. 7 is a schematic diagram of another signal connection of the USB Type C plug of FIG. 1.
  • FIG. 8 is a schematic structural diagram of a USB Type C plug according to a preferred embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a USB Type C plug according to a preferred embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a USB Type C plug according to a preferred embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a USB Type C plug according to a preferred embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of an electrocardiograph according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of an electrocardiograph according to a preferred embodiment of the present invention.
  • an embodiment of the present invention provides an ECG lead 100 including a main cable 10 , a splitter 20 , a USB Type C plug 30 , and at least one lead wire 40 .
  • One end of the main cable 10 is connected to the USB Type C plug 20, the other end of the main cable 10 is connected to the splitter 20, and the lead wire 40 is connected to the splitter 20, and each strip
  • the cores in the lead wires 40 are bundled into the main cable 10 via the splitter 20, and are electrically connected to the USB Type C plug 30 after extending one end of the main cable 10.
  • the lead wire 40 includes a conductor 41, an insulating layer 42 enclosing the conductor 41, a first semi-conductive layer 43 enclosing the insulator 42, and the package. a first shielding layer 44 of the first semi-conductive layer 43 and a first sheath 45 encasing the first shielding layer 44, wherein the conductor 41 and the insulating layer 42 form the core.
  • each of the lead wires 40 is further connected with an electrode 50, and the electrode 50 is fixed to a designated position of the human body (such as a heart, a chest, etc.) to collect the designation of the human body.
  • the electrode 50 may be in the form of a sheet, a clip or the like, and is not specifically limited in the present invention.
  • the number of the electrodes 50 and the lead wires 40 can be designed according to actual needs, for example, commonly used three-lead, 5-lead or 12-lead collection methods.
  • the ECG lead wire suitable for the 3-lead acquisition mode is usually provided with RA, LA and LL electrodes (corresponding to 3 lead wires 40); suitable for 5-lead collection mode
  • the ECG lead wire is provided with RA, LA, LL, RL and V electrodes (corresponding to 5 lead wires 40); and the ECG lead wire suitable for 12-lead collection mode is generally provided with RA, LA, LL , RL, V, V+ and V1 to V6 electrodes (corresponding to 12 lead wires 40).
  • the ECG lead wire 100 further includes a wire harness 60 having a plurality of wire holes independently and in an orderly arrangement, and the lead wires 40 pass through.
  • the wire holes are thus fixed together in order, so that wiring confusion caused by the different lead wires 40 being entangled or wound with each other can be avoided.
  • the splitter 30 has at least two wiring ports and one outlet port, wherein the core of each of the lead wires 40 enters the splitter 30 from the wiring port. After being bundled in the splitter 30, it is taken out from the outlet and accessed from the other end of the main cable 10 into the main cable 10.
  • the innermost layer of the main cable 10 is a second semi-conductive layer 11, and the second semi-conductive layer 11 forms a cavity for accommodating The wire core.
  • a second shielding layer 12 and a second sheath 13 are sequentially wrapped outside the second semiconductive layer 11 .
  • a filling layer 14 may be disposed in the cavity to fill the gap between the cores to prevent contact failure caused by the movement of the core.
  • the core in the main cable 10 is routed inside the main cable 10, and after being extended from one end of the main cable 10, is electrically connected to the USB Type C plug 30.
  • the USB Type C plug 30 includes a metal casing 31, an insulative housing 32, at least two conductive terminals 33, a printed circuit board (not shown), and a package.
  • the insulative housing 32 is disposed in the metal housing 31, and the conductive terminals 33 are symmetrically disposed on opposite inner sidewalls of the insulative housing 32.
  • the printed circuit board is disposed between the metal casing 31 and the main cable 10, and the printed circuit board is electrically connected to the conductive terminals 33 and the cores in the main cable 10, respectively.
  • a piece 34 wraps the printed circuit board.
  • the USB Type C plug 30 includes 24 conductive terminals 33 symmetrically distributed on opposite inner sidewalls of the insulative housing 32. (12 per side).
  • these conductive terminals 33 will respectively be connected to the pin ports in the USB Type C interface (such as the A1-A12 pin port and the B1-B12 pin in FIG. 6).
  • the port is electrically connected to achieve signal transmission.
  • the signal transmitted by each pin port is fixed, when the wire core and the conductive terminal are connected, it is required to be based on the conductive terminal and the pin port. Connect the corresponding relationship to ensure the normal transmission of the signal. As shown in FIG. 5, the signal is transmitted from the core to each of the conductive terminals. Therefore, when the conductive terminal is electrically connected to the core, a connection as shown in FIG. 5 is required. For example, if a core transmits a V IN signal, it should be connected to the A11 conductive terminal and the B11 conductive terminal, respectively. For the connection of other cores and conductive terminals, refer to FIG. 5.
  • the ordering of the conductive terminals in the USB Type C plug 30 can be sorted according to actual needs, but it is necessary to ensure that the signals (or networks) corresponding to A1-A12 and B1-B12 are consistent, thereby achieving positive and negative Plug in the effect.
  • the ECG lead 100 provided by the embodiment of the present invention is designed by connecting the USB Type C plug 30 and using the USB Type C plug 30 to connect with a corresponding USB Type C interface on the ECG test host. To achieve transmission of the collected signals to the ECG test host.
  • the embodiment of the invention has the following beneficial effects:
  • the USB Type C plug is smaller than the conventional USB plug.
  • the volume of the corresponding USB Type C interface is smaller than that of the conventional USB interface.
  • the USB Type C interface can be used to reduce the size.
  • the traditional USB interface occupies the surface space of the ECG test host. .
  • the insertion of the USB Type C plug 30 is non-directional, that is, the USB Type C plug 30 can be inserted into the USB Type C interface on the front side or the USB Type C interface on the reverse side, thus facilitating the user's operation and Avoid damage to the conductive terminals or the pin ports in the connectors due to improper insertion.
  • the USB Type C plug 30 further includes a connecting member 35 disposed between the metal casing 31 and the package member 34.
  • the connecting member 35 has a The first side wall and the second side wall of the metal casing 31 are parallel, the first side wall is provided with a first groove 351, and the second side wall is provided with a second groove 352, and the The first groove 351 and the second groove 352 are symmetrical about the metal casing 31.
  • a first groove 351 is defined in the first side wall of the connecting member 35
  • a second groove 352 is defined in the second side wall (corresponding to a corresponding one on the ECG test host)
  • the other universal USB Type C plugs are not provided with a groove, and after being inserted into the USB Type C interface to a certain extent, they will be resisted by the two protrusions, and thus cannot be fully inserted into the USB Type C interface. Therefore, other universal USB Type C plugs are prevented from being connected to the USB Type C interface.
  • the USB Type C plug 30 is still The effect of positive and negative insertion is retained.
  • the ECG lead wire 100 is connected to the corresponding USB Type C interface.
  • the other energized interfaces have the risk of leakage to the ECG lead wire 100, thereby causing damage to the human body.
  • the USB Type C plug is an L-type plug.
  • the L-shaped USB socket 30 can block other energization when the ECG lead 100 is inserted. Interface to avoid other cable insertion.
  • the USB plug 30 further includes a connecting member 35 disposed between the metal casing 31 and the package member 34, the connecting member 35 having a third side wall parallel to the metal casing 31, the third The side wall is provided with a third recess 353.
  • the third groove 353 is opened only on the third side wall of the connecting member 35 (correspondingly, one side of the USB Type C interface is designed to be the protrusion)
  • the USB Type C plug 30 can be inserted into the USB Type C interface in only one direction, and this direction is such that the USB Type C plug 30 of the L-shape can block other power-on interfaces. In this way, the occlusion of the other power-on interfaces caused by the insertion of the USB Type C plug 30 in the reverse direction is avoided, wherein the position of the third groove 353 is set by the relative position of the USB Type C interface and other power-on interfaces. Relationship decision.
  • the surface of the package 34 is also provided with a convex direction indicator 341.
  • the direction indicator 341 of the protrusion may be in the shape of an inverted triangle or an arrow, which may be used to indicate the direction of insertion, and avoid the loss of blocking of other power-on interfaces caused by the insertion of the USB Type C plug 30 in the reverse direction.
  • the role of the direction indicator 341 is determined by the relative positional relationship between the USB Type C interface and other power-on interfaces.
  • the surface of the package member 34 is provided with an anti-slip area 342, and the anti-slip area 342 is provided with anti-slip bumps or anti-slip lines.
  • the anti-slip region 342 is disposed on the surface of the package member 34, and anti-slip bumps or anti-slip lines are disposed in the anti-slip region 342 to facilitate the insertion of the USB Type C plug 30. Pull out to avoid inconvenience caused by hand slippage.
  • an embodiment of the present invention further provides an electrocardiograph, which includes an ECG test host 200 and an ECG lead 100 according to any of the above embodiments.
  • an ECG test host 200 There is a USB Type C interface 210, and the USB Type C plug 30 on the ECG lead line is connected to the USB Type C interface 210 on the ECG test host 200.
  • the ECG test host 200 further includes two protrusions 211 disposed on opposite sides of the USB Type C interface 210, and the two protrusions 211
  • the USB Type C interface 210 is symmetric.
  • the ECG test host further includes a protrusion 212 disposed on one side of the USB Type C interface 210.
  • the ECG tester provided by the embodiment of the present invention designs the USB Type C plug 30 and utilizes the USB Type C plug 30 and the corresponding USB Type C interface 210 on the ECG test host 200. Connected to transmit the collected signals to the ECG test host 200.
  • the embodiment of the invention has the following beneficial effects:
  • the USB Type C plug is smaller than the conventional USB plug.
  • the volume of the corresponding USB Type C interface is smaller than that of the transmitted USB interface.
  • the USB Type C interface can be used to reduce the size.
  • the traditional USB interface occupies the surface space of the ECG test host.
  • the insertion of the USB Type C plug 30 is non-directional, that is, the USB Type C plug 30 can be inserted into the USB Type C interface 210 on the front side or the USB Type C interface 210 on the reverse side, thus facilitating the operation of the user. It can also avoid damage to the conductive terminals or the pin ports in the interface due to improper insertion.
  • the data transmission speed is faster, which enables the signal collected by the electrode 50 to be transmitted to the ECG test host in a timely and rapid manner to ensure data. Timely transmission.

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Abstract

一种心电导联线(100)和心电测试仪。心电导联线(100)包括主电缆(10)、分线器(20)、USB Type C插头(30)及至少一条导联线(40)；所述主电缆(10)的一端连接所述USB Type C插头(30)，所述主电缆(10)的另一端连接所述分线器(20)，所述导联线(40)与所述分线器(20)连接，且每条所述导联线(40)内的线芯经所述分线器(20)集束到所述主电缆(10)内，并在延伸出所述主电缆(10)的一端后与所述USB Type C插头(30)电连接。所述心电测试仪通过采用USB Type C插头(30)与USB Type C接口(210)的连接，减小了接口的空间占用，避免了因接口体积过大而占用心电测试仪大量的表面空间，同时，基于USB Type C插头(30)与USB Type C接口(210)的连接方式，还提高了数据传输速度，方便了插拔操作。

Description

一种心电导联线及心电测试仪 技术领域
本发明涉及心电测试领域，具体是一种心电导联线及心电测试仪。
背景技术
心电测试仪是一种可对人体心脏进行监护的设备，其主要由心电测试主机和心电导联线组成。心电测试主机上设有心电导联线接口以及与心电导联线接口连接的控制器，心电测试主机通过心电导联线接口与心电导联线上的插头连接。
心电导联线根据不同的需求通常设有3、5或12个电极来连接人体的上肢、下肢或胸部，进而采用3导联、5导联或12导联的采集方式来采集人体的心电信号；其中，适用于3导联采集方式的心电导联线上通常设有RA、LA和LL电极；适用于5导联采集方式的心电导联线上设有RA、LA、LL、RL和V电极；而适用于12导联采集方式的心电导联线一般设有RA、LA、LL、RL、V、V+以及V1～V6电极。当心电导联线与心电测试主机上的心电导联线接口连接时，心电导联线就将各个电极采集到的心电信号传输到心电导联线接口，心电导联线接口再将RA、LA、LL、RL、V、V+或V1～V6信号传输至控制器。
传统的心电导联线使用的插头多为DB型或LEMO插头，则相应的，心电测试主机上的接口也为DB型接口或LEMO母头。由于DB型接口或LEMO母头的体积较大，对于一些体积较小的便携式或手持式的心电测试主机，可能会出现没有足够的空间来布置这些接口，或者由于接口太大影响心电测试主机整体外观设计。
此外，也有一些心电导联线尝试使用USB插头代替传统的DB型或LEMO插头，如CN202198593U公开了一种导联装置，并具体公开了使用USB插头作为导联装置的插头。然而，普通的USB插头及USB接口一方面体积仍然较大，另一方面，普通的USB插头在插入USB接口的时候需要正确的插入方向，如果没有以正确的方向插入，则容易导致插头或接口内的导电端子损坏。此外，普通的USB插头及USB接口之间的数据传输速度也较慢，在监测时可能出现信号延时的情况，导致用户无法及时获得监测数据，从而不能做出有效的判断。
发明内容
针对上述问题，本发明的目的在于提供一种心电导联线及心电测试仪，通过对插头和接口进行改进，解决了插拔不方便及因接口体积过大而导致的空间占用问题。
本发明提供了一种心电导联线，包括主电缆、分线器、USB Type C插头及至少一条导联线；所述主电缆的一端连接所述USB Type C插头，所述主电缆的另一端连接所述分线器，所述导联线与所述分线器连接，且每条所述导联线内的线芯经所述分线器集束到所述主电缆内，并在延伸出所述主电缆的一端后与所述USB Type C插头电连接。
优选地，所述USB Type C插头包括金属外壳、绝缘本体、至少两个导电端子、印刷电路板及封装件，所述绝缘本体设置于所述金属外壳内，所述导电端子对称设置于所述绝缘本体的相对的两个内侧壁上；所述印刷电路板设置于所述金属外壳与所述主电缆之间，且所述印刷电路板的一端与所述导电端子电连接，所述印刷电路板的另一端与所述主电缆内的线芯电连接；所述封装件包裹所述印刷电路板。
优选地，所述USB Type C插头还包括设置于所述金属外壳与所述封装件之间的连接件，所述连接件具有与所述金属外壳平行的第一侧壁及第二侧壁，所述第一侧壁上开设有第一凹槽，所述第二侧壁上开设有第二凹槽，且所述第一凹槽与所述第二凹槽关于所述金属外壳对称。
优选地，所述USB Type C插头为L型插头。
优选地，所述USB Type C插头还包括设置于所述金属外壳与所述封装件之间的连接件，所述连接件具有与所述外壳平行的第三侧壁，所述第三侧壁开设有第三凹槽。
优选地，所述封装件的表面还设置有凸起的方向指示标。
优选地，所述封装件的表面设置有防滑区，所述防滑区内布置有防滑凸点或防滑纹。
本发明还提供一种心电测试仪，包括心电测试主机及上述的心电导联线，所述心电测试主机上设置有USB Type C接口，所述心电导联线上的USB Type C插头接入所述心电测试主机上的USB Type C接口。
优选地，所述心电测试主机还包括设置在所述USB Type C接口的相对两侧的两个凸起，且所述两个凸起关于所述USB Type C接口对称。
优选地，所述心电测试主机还包括设置在所述USB Type C接口的一侧的凸起。
本发明提供的心电导联线及心电测试仪，通过设计所述USB Type C插头，并利用所述USB Type C插头与心电测试主机上的对应的USB Type C接口连接，以实现将采集的信号传 输给所述心电测试主机。本发明实施例与现有技术相比，具有如下有益效果：
1、由于USB Type C插头相对于传统的USB插头体积更小，相应的，与其对应的USB Type C接口的体积相对于传统的USB接口的体积也更小，这样，使用USB Type C接口可以减小传统USB接口对心电测试主机的表面空间的占用。
2、USB Type C插头的插入是没有方向性的，即所述USB Type C插头可以正面插入USB Type C接口，也可以反面插入USB Type C接口，如此，方便了用户的操作，并可避免由于没有正确插入而导致的导电端子或接口内的引脚口损坏的情况。
3、基于USB Type C插头与USB Type C接口的连接方式，具有更快的数据传输速度，这使得采集的信号可以更及时快速的传输给心电测试主机，保证数据的及时传输。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式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些实施方式，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是本发明实施例提供的心电导联线的结构示意图。
图2是图1的导联线的截面示意图。
图3是图1的主电缆的截面示意图。
图4是图1的USB Type C插头的正视图。
图5是图1的USB Type C插头的一种信号连接示意图。
图6是USB Type C接口的正视图。
图7是图1的USB Type C插头的另一种信号连接示意图。
图8是本发明优选实施例提供的一种USB Type C插头的结构示意图。
图9是本发明优选实施例提供的一种USB Type C插头的结构示意图。
图10是本发明优选实施例提供的一种USB Type C插头的结构示意图。
图11是本发明优选实施例提供的一种USB Type C插头的结构示意图。
图12是本发明实施例提供的心电测试仪的结构示意图。
图13是本发明优选实施例提供的一种心电测试仪的结构示意图。
具体实施方式
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。
请参阅图1，本发明实施例提供一种心电导联线100，包括主电缆10、分线器20、USB Type C插头30及至少一条导联线40。所述主电缆10的一端连接所述USB Type C插头20，所述主电缆10的另一端连接所述分线器20，所述导联线40与所述分线器20连接，且每条所述导联线40内的线芯经所述分线器20集束到所述主电缆10内，并在延伸出所述主电缆10的一端后与所述USB Type C插头30电连接。
请一并参阅图2，在本发明实施例中，所述导联线40包括导体41、包裹所述导体41的绝缘层42、包裹所述绝缘体42的第一半导电层43、包裹所述第一半导电层43的第一屏蔽层44及包裹所述第一屏蔽层44的第一护套45，其中，所述导体41与所述绝缘层42形成所述线芯。
需要说明的是，在本发明实施例中，每个所述导联线40还连接有电极50，所述电极50固定到人体的指定位置(如心、胸等位置)，以采集人体的指定位置的信号。其中，所述电极50可呈片状、夹子状等，本发明不做具体限定。
需要说明的是，在本发明实施例中，所述电极50与所述导联线40的数量可根据实际需要设计，例如，常用的有3导联、5导联或12导联的采集方式来采集人体的心电信号；其中，适用于3导联采集方式的心电导联线上通常设有RA、LA和LL电极(对应于3条导联线40)；适用于5导联采集方式的心电导联线上设有RA、LA、LL、RL和V电极(对应于5条导联线40)；而适用于12导联采集方式的心电导联线一般设有RA、LA、LL、RL、V、V+以及V1～V6电极(对应于12条导联线40)。
需要说明的是，在本发明实施例中，所述心电导联线100还包括线束60，所述线束60具有多个彼此独立而有序排列的线孔，所述的导联线40穿过所述线孔，从而有序的固定在一起，如此，可避免不同的导联线40彼此相互纠缠或缠绕而引起的布线混乱。
在本发明实施例中，所述分线器30具有至少两个接线口及一个出线口，其中，每个所述导联线40的线芯从所述接线口进入到所述分线器30内，并在所述分线器30内聚成一束后，从所述出线口穿出，并从所述主电缆10的另一端接入到所述主电缆10内。
具体地，请一并参阅图3，在本发明实施例中，所述主电缆10的最内层为第二半导电层11，所述第二半导电层11形成一个空腔，以容置所述线芯。在所述第二半导电层11外还依次包裹有第二屏蔽层12及第二护套13。
需要说明的是，在本发明实施例中，在所述空腔内还可设置有填充层14，以填充所述线芯之间的空隙，防止因所述线芯移动而造成接触不良。
在本发明实施例中，所述主电缆10内的线芯在所述主电缆10内走线，并从所述主电缆10的一端伸出后，与所述USB Type C插头30电连接。
具体地，请一并参阅图4，在本发明实施例中，所述USB Type C插头30包括金属外壳31、绝缘本体32、至少两个导电端子33、印刷电路板(图未示)及封装件34，所述绝缘本体32设置于所述金属外壳31内，所述导电端子33对称设置于所述绝缘本体32的相对的内侧壁上。所述印刷电路板设置于所述金属外壳31与所述主电缆10之间，且所述印刷电路板分别与所述导电端子33及所述主电缆10内的线芯电连接，所述封装件34包裹所述印刷电路板。
在本发明实施例中，如图5所示，优选地，所述USB Type C插头30包括24个导电端子33，这24个导电端子33对称分布在所述绝缘本体32的相对的内侧壁上(每侧12个)。当所述USB Type C插头30插入到USB Type C接口时，这些导电端子33将分别与USB Type C接口内的引脚口(如图6中的A1-A12引脚口和B1-B12引脚口)电连接，从而实现信号的传输。
需要说明的是，在本发明实施例中，由于每个引脚口传输的信号是固定的，因而在对所述线芯与所述导电端子进行连接时，需根据导电端子与引脚口的连接对应关系进行连接，保证信号的正常传输。如图5所示，信号是由线芯传输至各个导电端子，因此，在将导电端子与线芯进行电连接时，需采用如图5所示的连接方式。例如，假设一个线芯传输的是V IN信号，那么其应该分别连接A11导电端子和B11导电端子，其他线芯与导电端子的连接同理可参照图5。
当然，如图7所示，所述USB Type C插头30内的导电端子的排序可以按实际需要排序，但是必须保证A1-A12与B1-B12对应的信号(或网络)一致，从而实现正反插皆可的效果。
综上所述，本发明实施例提供的心电导联线100，通过设计所述USB Type C插头30，并利用所述USB Type C插头30与心电测试主机上的对应的USB Type C接口连接，以实现将采集的信号传输给所述心电测试主机。本发明实施例与现有技术相比，具有如下有益效果：
1、USB Type C插头相对于传统的USB插头体积更小，相应的，与其对应的USB Type C接口的体积相对于传统的USB接口的体积也更小，这样，使用USB Type C接口可以减小传统USB接口对心电测试主机的表面空间的占用。。
2、USB Type C插头30的插入是没有方向性的，即所述USB Type C插头30可以正面插入USB Type C接口，也可以反面插入USB Type C接口，如此，方便了用户的操作，并可避免由于没有正确插入而导致的导电端子或接口内的引脚口损坏的情况。
3、基于USB Type C插头与USB Type C接口的连接方式，具有更快的数据传输速度，这 使得所述电极50采集的信号可以更及时快速的传输给心电测试主机，保证数据的及时传输。
为了便于对本发明的理解，下面对本发明的一些优选实施例做更进一步的描述。
第一个优选实施例：
请一并参阅图8，在本优选实施例中，所述USB Type C插头30还包括设置于所述金属外壳31与所述封装件34之间的连接件35，所述连接件35具有与所述金属外壳31平行的第一侧壁及第二侧壁，所述第一侧壁上开设有第一凹槽351，所述第二侧壁上开设有第二凹槽352，且所述第一凹槽351与所述第二凹槽352关于所述金属外壳31对称。
具体地，为防止其他的通用的USB Type C插头到与本发明的所述USB Type C插头30对应的心电测试主机上的USB Type C接口，而导致对所述心电测试主机造成损伤，所述连接件35的所述第一侧壁上开设有第一凹槽351，所述第二侧壁上开设有第二凹槽352(相应的，在所述心电测试主机上的对应的USB Type C接口的两侧设置有两个凸起)。这样，当所述USB Type C插头30插入到所述对应的USB Type C接口时，所述第一凹槽351及所述第二凹槽352正好与两个凸起相匹配，使得所述USB Type C插头30可顺利接入所述USB Type C接口。而其他的通用USB Type C插头由于没有设置凹槽，其在插入所述USB Type C接口一定程度后，将被所述的两个凸起抵住，进而无法完全插入到所述USB Type C接口内，如此，避免了其他的通用USB Type C插头接入到所述USB Type C接口内。
此外，由于所述第一凹槽351与所述第二凹槽352关于所述金属外壳31对称(相应，所述的两个凸起也是对称设计的)，因而所述USB Type C插头30仍然保留有正反插的效果。
第二个优选实施例。
如图9所示，若所述心电测试主机上还存在其他通电的接口(如USB接口，DC接口等)，当所述心电导联线100接入到对应的所述USB Type C接口的同时，若其他通电的接口也被其他线缆接入，则其他通电的接口存在漏电到所述心电导联线100上的风险，从而对人体造成损伤。
为此，优选地，所述USB Type C插头为L型插头。
在本优选实施例中，通过将所述心电导联线100的USB Type C插头30设计成L形，当所述心电导联线100插入的时候，L型的USB插口30能挡住其他的通电接口，避免其他线缆插入。
第三个优选实施例。
针对第二个优选实施例，如图9所示，在本优选实施例中：
所述USB插头30还包括设置于所述金属外壳31与所述封装件34之间的连接件35，所述连接件35具有与所述金属外壳31平行的第三侧壁，所述第三侧壁开设有第三凹槽353。
在本优选实施例中，由于仅在所述连接件35的第三侧壁开设所述第三凹槽353(相应的，所述USB Type C接口的一侧设计所述凸起)，因而所述USB Type C插头30仅有一个方向可以插入到所述USB Type C接口内，且这个方向使得L型的所述USB Type C插头30正好可挡住其他通电接口。如此，避免了所述USB Type C插头30反方向插入时造成的失去对其他通电接口的遮挡作用，其中，所述第三凹槽353开设的位置由USB Type C接口与其他通电接口的相对位置关系决定。
第四个优选实施例。
针对第二个优选实施例，如图10所示，在本优选实施例中：
所述封装件34的表面还设置有凸起的方向指示标341。
具体地，所述凸起的方向指示标341可呈倒三角形或箭头形状，其可用于指示插入的方向，避免了所述USB Type C插头30反方向插入时造成的失去对其他通电接口的遮挡作用，其中，所述方向指示标341的指示方向由USB Type C接口与其他通电接口的相对位置关系决定。
第五个优选实施例。
如图11所示，在本优选实施例中：
所述封装件34的表面设置有防滑区342，所述防滑区342内布置有防滑凸点或防滑纹。
本优选实施例中，通过在所述封装件34的表面设置有防滑区342，并在所述防滑区342内布置有防滑凸点或防滑纹，方便了所述USB Type C插头30的插入与拔出，避免因手滑而导致的无法插拔不便。
请一并参阅图12，本发明实施例还提供一种心电测试仪，其包括心电测试主机200及上述任一实施例所述的心电导联线100，所述心电测试主机上设置有USB Type C接口210，所述心电导联线上的USB Type C插头30接入所述心电测试主机200上的USB Type C接口210。
优选地，针对上述的第一个优选实施例，所述心电测试主机200还包括设置在所述USB Type C接口210的相对两侧的两个凸起211，且所述两个凸起211关于所述USB Type C接口210对称。
优选地，请一并参阅图13，针对上述的第三个优选实施例，所述心电测试主机还包括设置在所述USB Type C接口210的一侧的凸起212。
综上所述，本发明实施例提供的心电测试仪，通过设计所述USB Type C插头30，并利用所述USB Type C插头30与心电测试主机200上的对应的USB Type C接口210连接，以实现将采集的信号传输给所述心电测试主机200。本发明实施例与现有技术相比，具有如下有益效果：
1、USB Type C插头相对于传统的USB插头体积更小，相应的，与其对应的USB Type C接口的体积相对于传输的USB接口的体积也更小，这样，使用USB Type C接口可以减小传统USB接口对心电测试主机的表面空间的占用。
2、USB Type C插头30的插入是没有方向性的，即所述USB Type C插头30可以正面插入USB Type C接口210，也可以反面插入USB Type C接口210，如此，方便了用户的操作，并可避免由于没有正确插入而导致的导电端子或接口内的引脚口损坏的情况。
3、基于USB Type C插头30与USB Type C接口210的连接方式，具有更快的数据传输速度，这使得所述电极50采集的信号可以更及时快速的传输给心电测试主机，保证数据的及时传输。
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (10)

  1. 一种心电导联线，其特征在于，包括主电缆、分线器、USB Type C插头及至少一条导联线；所述主电缆的一端连接所述USB Type C插头，所述主电缆的另一端连接所述分线器，所述导联线与所述分线器连接，且每条所述导联线内的线芯经所述分线器集束到所述主电缆内，并在延伸出所述主电缆的一端后与所述USB Type C插头电连接。
  2. 根据权利要求1所述的心电导联线，其特征在于，所述USB Type C插头包括金属外壳、绝缘本体、至少两个导电端子、印刷电路板及封装件，所述绝缘本体设置于所述金属外壳内，所述导电端子对称设置于所述绝缘本体的相对的两个内侧壁上；所述印刷电路板设置于所述金属外壳与所述主电缆之间，且所述印刷电路板的一端与所述导电端子电连接，所述印刷电路板的另一端与所述主电缆内的线芯电连接；所述封装件包裹所述印刷电路板。
  3. 根据权利要求2所述的心电导联线，其特征在于，所述USB Type C插头还包括设置于所述金属外壳与所述封装件之间的连接件，所述连接件具有与所述金属外壳平行的第一侧壁及第二侧壁，所述第一侧壁上开设有第一凹槽，所述第二侧壁上开设有第二凹槽，且所述第一凹槽与所述第二凹槽关于所述金属外壳对称。
  4. 根据权利要求1至3任意一项所述的心电导联线，其特征在于，所述USB Type C插头为L型插头。
  5. 根据权利要求2所述的心电导联线，其特征在于，所述USB Type C插头还包括设置于所述金属外壳与所述封装件之间的连接件，所述连接件具有与所述金属外壳平行的第三侧壁，所述第三侧壁开设有第三凹槽。
  6. 根据权利要求4所述的心电导联线，其特征在于，所述封装件的表面还设置有凸起的方向指示标。
  7. 根据权利要求2、3或5任意一项所述的心电导联线，其特征在于，所述封装件的表面设置有防滑区，所述防滑区内布置有防滑凸点或防滑纹。
  8. 一种心电测试仪，其特征在于，包括心电测试主机及如权利要求1-7任意一项所述的心电导联线，所述心电测试主机上设置有USB Type C接口，所述心电导联线上的USB Type C插头接入所述心电测试主机上的USB Type C接口。
  9. 根据权利要求8所述的心电测试仪，其特征在于，所述心电测试主机还包括设置在所述USB Type C接口的相对两侧的两个凸起，且所述两个凸起关于所述USB Type C接口对称。
  10. 根据权利要求8所述的心电测试仪，其特征在于，所述心电测试主机还包括设置在所述USB Type C接口的一侧的凸起。
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