CN210043995U - Cable unit and wearable physiological parameter monitoring system - Google Patents

Abstract

The present application discloses a cable unit and a wearable physiological parameter monitoring system. The cable unit includes a main cable and a lead part. The main cable includes a plurality of coaxial core wires and a first metal layer accommodating the core wires; the plurality of core wires includes a plurality of data core wires and a grounding core wire. One end of the multiple data core wires is connected to the signal terminal of the wearable physiological parameter monitor through the instrument connector, and the other end is divided into multiple lead wires through the branch connector, and the multiple lead wires form the lead part. , each lead wire is used to connect an electrode pad. One end of the ground core wire is connected to the ground terminal of the wearable physiological parameter monitor through the instrument connector, and the other end is connected to the branch connector. The cable unit also includes a plurality of second metal layers, the two metal layers are respectively arranged on the outer surface of each lead wire, and are connected with the ground core wire through the branch connector, so that the lead wire can shield the external interference signal .

Description

Cable unit and wearable physiological parameter monitoring system

technical field

The present application relates to the technical field of medical devices, and in particular, to a cable unit and a wearable physiological parameter monitoring system.

Background technique

It is a common method to judge the patient's health status by ECG signals, which is realized by placing the electrode pads connected with the electrode connectors to certain specific positions of the human body. This requires attaching electrode pads to different locations on the human body, and then connecting each electrode pad to a lead wire, which is connected to the monitor or other wearable physiological parameter monitor through the main cable. However, there will be other wires or related equipment of sensors near the monitor, and this type of equipment will produce a strong interference signal to the monitor. These interference signals have a greater impact on the electrode connector to obtain the patient's relevant physiological data or transmit the patient's physiological data, which in turn affects the accuracy of the physiological data or affects the doctor's judgment on the patient's condition, which is not conducive to the follow-up. carry out.

Utility model content

The purpose of the present application is to provide a cable unit and a wearable physiological parameter monitoring system, so as to solve the problem that the wearable physiological parameter monitor is interfered with by interference signals, resulting in errors in acquiring patient physiological data or transmitting physiological data.

In order to solve the above technical problems, the present application provides a cable unit for connecting a wearable physiological parameter monitor. The cable unit includes a main cable and a lead portion. The main cable includes a plurality of coaxial core wires, and a first metal layer accommodating the core wires; the plurality of core wires includes a plurality of data core wires and at least one grounding core wire. One end of the plurality of data core wires is connected to the signal terminal of the wearable physiological parameter monitor through the instrument connector, and the other end is separated into a plurality of lead wires through the branch connector. The lead parts are formed by connecting wires, and each of the lead wires is used to connect a piece of electrode sheet. One end of the ground core wire is connected to the ground terminal of the wearable physiological parameter monitor through the instrument connector, and the other end is connected to the branch connector. The cable unit further includes a plurality of second metal layers, the two metal layers are respectively disposed on the outer surface of each of the lead wires, and are connected to the ground core wires through the branch connector.

In one embodiment, the main cable further includes a ground conductor located in the first metal layer and in contact with the first metal layer.

In one embodiment, one end of the ground conductor is connected to the ground terminal through the instrument connector, and the first metal layer is grounded through contact with the first metal layer.

In one embodiment, the first metal layer and the second metal layer are isolated from each other by the branch connector.

The present application also provides another cable unit including a main cable and a lead part. The main cable includes a plurality of coaxial data core wires, a ground conductor, and a first metal layer accommodating the data core wires and the ground conductor. One end of the plurality of data core wires is connected to the signal terminal of the wearable physiological parameter monitor through the instrument connector, and the other end is separated into a plurality of lead wires through the branch connector. The lead parts are formed by connecting wires, and each of the lead wires is used to connect a piece of electrode sheet. The ground conductor is in contact with the first metal layer and is connected to the ground terminal through the instrument connector.

In one embodiment, the lead portion further includes a plurality of second metal layers, and the second metal layers are respectively disposed on the outer surface of each of the lead wires.

In one embodiment, one end of the grounding conductor away from the instrument connector is connected to the second metal layer through the branch connector, so that the second metal layer and the first metal layer are connected common ground.

In one embodiment, the main cable further includes at least one filler core wire, and the filler core wire is disposed between the core wire, the ground conductor and the first metal layer.

In one embodiment, the cable unit further includes a plurality of electrode connectors for holding the electrode sheet, and a plurality of the electrode connectors are respectively connected to each of the lead wires away from the branch. one end of the wire connector.

In order to solve the above technical problems, the present application provides a wearable physiological parameter monitoring system, which includes a wearable physiological parameter monitoring instrument, multiple electrode sheets, and the cable unit of each of the above embodiments. One end of the cable unit is connected to the wearable physiological parameter monitor, and the plurality of lead wires branched from the other end are respectively connected to the electrode pads.

In the present application, through the ground core wire and ground conductor on the cable unit, the first metal layer and the second metal layer of the main cable and the lead part, respectively, are connected to the ground terminal of the wearable physiological parameter monitor, so that the first metal layer and the second metal layer of the lead part are respectively connected to the ground terminal of the wearable physiological parameter monitor. The metal layer and the second metal layer have a good ability of shielding external interference. In actual use, the wearable physiological parameter monitor corresponding to the cable unit can shield the interference signal generated by the associated equipment and instruments, and can obtain the relevant physiological data of the patient through the electrode connector and the electrode sheet in a timely and accurate manner .

Description of drawings

FIG. 1 is a schematic diagram of a cable unit according to an embodiment of the present application.

FIG. 2a is a cross-sectional view of a main cable according to an embodiment of the present application.

FIG. 2b is a cross-sectional view of a lead wire according to an embodiment of the present application.

FIG. 3 is a schematic diagram of a connection between a cable unit and a wearable physiological parameter monitor according to an embodiment of the present application.

FIG. 4 is a cross-sectional view of a main cable of yet another embodiment of the present application.

FIG. 5 is a schematic diagram of a connection between a cable unit and a wearable physiological parameter monitor according to another embodiment of the present application.

FIG. 6 is a schematic diagram of the connection between a lead wire and an electrode sheet according to an embodiment of the present application.

FIG. 7 is a schematic diagram of a wearable physiological parameter monitoring system according to an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

As shown in FIG. 1 to FIG. 3 and FIG. 7 , the embodiment of the present application provides a cable unit (100, 110) with a good shielding effect, and the cable unit (100, 110) can be used to connect medical equipment such as ECG monitoring equipment instrument. The present application provides a wearable physiological parameter monitoring system 10 using the cable unit (100, 110) and the wearable physiological parameter monitor 400. The wearable physiological parameter monitor 400 is connected to the patient through the cable unit (100, 110) to obtain the relevant physiological data parameters of the patient.

The present application provides a cable unit 100 , which includes a main cable 200 and a lead part 300 . The main cable 200 includes a first metal layer 210 and a plurality of coaxial core wires 220 . The first metal layer 210 has a hollow tubular shape and is used for accommodating the core wire 220 . The multiple core wires 220 can be divided into multiple data core wires 221 and at least one ground core wire 222 according to the use function of the core wires. Wherein, one end of the plurality of data core wires 221 is connected to the signal terminal 11 of the wearable physiological parameter monitor 400 through the instrument connector 230, and the other end of the plurality of data core wires 221 is separated through the branch connector 250. The lead wires 320 that are bent in amplitude and transmit signals, and a plurality of lead wires 320 are branched to form a lead portion 300 , and each lead wire 320 is used to connect a piece of electrode sheet 800 . One end of the ground core wire 222 is connected to the ground terminal 12 of the wearable physiological parameter monitor 400 through the instrument connector 230 , and the other end is connected to the branch connector 250 . Specifically, the ground core wire 222 does not extend to the lead portion 300 , that is, the ground core wire 222 as a whole is accommodated in the first metal layer 210 .

Further, a plurality of data core wires 221 forming the lead portion 300 and a grounding core wire 222 connected to the ground terminal 12 have the same hierarchical structure in the main cable 200, and also include conductors, accommodating conductors The inner insulating layer and the semiconducting layer that accommodates the inner insulating layer. On the other hand, under the requirements of design and production, any one of the plurality of core wires 220 can be selected to be connected to the ground terminal 12 to serve as the ground core wire 222 and to achieve the same shielding function; or, in order to To achieve higher grounding, the ground core wire 222 can also be different from the data core wire 221 , for example, the resistance value of the ground core wire 222 can be made lower or the contact area with the ground terminal 12 is larger.

As shown in FIG. 2 b , the lead portion 300 further includes a second metal layer 310 . The second metal layers 310 are respectively disposed on the outer surface of each lead wire 320 , and the second metal layer 310 has a hollow tubular shape as a whole and accommodates the lead wire 320 . Specifically, if a plurality of lead wires 320 are separated from a plurality of data core wires 221 , there will be a plurality of second metal layers 310 respectively located on the outer surfaces of the lead wires 320 . The second metal layer 310 is connected to the grounding core wire 222 through the branch connector 250 , so that the second metal layer 310 can shield the interference signal outside the lead wire 320 , so that the lead wire 320 can conduct the patient quickly and accurately The physiological data are sent to the wearable physiological parameter monitor 400 .

It should be understood that the number of ground core wires 222 may be other than 1 as required. Different ground core wires 222 may be respectively connected with lead wires 320 connected to different parts. As an example, the number of ground core wires is 2, the lead wires 320 include several upper limb lead wires and several lower limb lead wires, and the second metal layer 310 corresponding to the upper limb lead wires is connected to the ground core wire 222 One, the second metal 310 layer corresponding to the lower limb lead wire is connected to the other one of the grounding core wires 222, so that the upper limb lead wire and the lower limb lead wire can be shielded separately, and the interference signal will not be transmitted by the upper limb lead wire. The second metal layer 310 of the wire is transmitted to the second metal layer 310 of the lower limb lead wire to better shield the interference signal.

As shown in FIG. 2 a , in one embodiment, the main cable 200 further includes a ground conductor 240 , and the ground conductor 240 is located in the first metal layer 210 and is in contact with the first metal layer 210 . The diameter of the ground conductor 240 is slightly smaller than the diameter of the conductor inside the core wire 220 , so that the ground conductor 240 can be accommodated in the gap formed by the core wire 220 and the first metal layer 210 .

In one embodiment, one end of the ground conductor 240 is connected to the ground terminal 12 of the wearable physiological parameter monitor 400 through the instrument connector 230, and the first metal layer 210 is grounded through contact with the first metal layer 210; The first metal layer 210 enables the inner core wire to shield external interference signals. The grounding area between the grounding conductor 240 and the first metal layer 210 is large and wide, and the contact length can be the length of the entire main cable 200; in actual operation, the grounding conductor 240 can ensure the contact with the first metal layer 210 , the connection between the two will not fail due to pulling or tripping, so that the first metal layer 210 is in a grounded state and has a good shielding function.

In one embodiment, the main cable 200 further includes at least one filler core wire 260, the filler core wire 260 is disposed between the core wire 220, the ground conductor 240 and the first metal layer 210, and is used to fill the core wire 220 and the first metal layer 210. gaps between the first metal layers 210 . The filling core wire 260 has certain elasticity and toughness and is an insulating wire, which can be, for example, a chemical fiber material or a cotton thread. By filling the core wire 260, the position of the core wire 220 in the main cable 200/the first metal layer 210 can be further defined, the possible friction between the core wire 220 and the first metal layer 210 can be reduced, and the cable unit can be improved. 100 service life.

By arranging the filler core wire 260 and the ground wire 240 between the first metal layer 210 and the core wire 220 , the cross section of the main cable 200 can be a circular surface or a circular surface, and present a cylindrical shape as a whole. Obviously, compared to the main cable with an oval cross section, the width of the circular main cable 200 may be smaller than the maximum width of the oval main cable, which may be easier to move or store.

Please refer to FIG. 1 , FIG. 4 , FIG. 5 , and FIG. 7 at the same time, an embodiment of the present application further provides a cable unit 110 , which is substantially the same as the cable unit 100 in the foregoing embodiment. The cable unit 110 includes the main cable 200 and the lead part 300 . The main cable 200 includes a plurality of coaxial data core wires 221 , ground conductors 240 , and a first metal layer 210 that accommodates the data core wires 221 and the ground conductors 240 . One end of the plurality of data core wires 221 is connected to the signal terminal 11 of the wearable physiological parameter monitor 400 through the instrument connector 230 , and the other end is separated into a plurality of lead wires 320 through the branch connector 250 . The lead wires 320 form the lead portion 300 , and each lead wire 320 is used to connect one electrode sheet 800 . In FIG. 4 , four data cores are used as an example, but it is not limited thereto, and the number of data cores may be other. The ground conductor 240 is in contact with the first metal layer 210, and is connected to the ground terminal 12 through the instrument connector 230, so as to ground the first metal layer 210 and shield external interference signals.

In one embodiment, one end of the ground conductor 240 away from the instrument connector 230 is connected to the second metal layer 310 through the branch connector 250 , so that the second metal layer 310 and the first metal layer 210 are grounded together. In this way, the second metal layer 310 can shield interference signals outside the lead wire 320 , so that the lead wire 320 can quickly and accurately transmit the patient's physiological data to the wearable physiological parameter monitor 400 .

In one embodiment, the branch connector 250 wraps the connection between the second metal layer 310 and the ground conductor 240 , which can protect the connection to a certain extent and make the second metal layer 310 and the ground conductor 240 more stable. ground connection.

In some embodiments, the cable unit ( 100 , 110 ) further includes an electrode connector 330 . The number of electrode connectors 330 is plural corresponding to the number of lead wires 320 . Each electrode connector 330 is connected to an end of each lead wire 320 remote from the branch connector 250 . The electrode connector 330 is attached to the skin of the patient through the electrode sheet 800 and collects relevant physiological data of the patient. The physiological data in this application can be, for example, the patient's electrocardiogram data, but is not limited thereto. The electrode sheet 800 can also be attached to the limbs or chest of the patient, and collect the relevant data of the corresponding parts.

In some embodiments, the lead wires 320 are physically separated at the breakout connector 250 into a plurality of lead wires 320 of substantially equal length. In addition, please refer to FIG. 6 and FIG. 7 , the plurality of lead wires 320 are arranged in parallel with each other and their lengths increase sequentially, and a plurality of electrode connectors 330 are arranged at intervals and connected to the end of each lead wire 320 . The lead wires 320 between adjacent electrode connectors 330 are arranged in the same cable segment. In this way, a plurality of lead lines 320 can be converged into a total lead main line, which reduces the need for placing or arranging the cable unit when monitoring the patient or arranging the cable unit 100/wearable physiological parameter monitor 400. The time required for 100 can also be convenient for a single patient to use the wearable physiological parameter monitoring system 10 .

In some embodiments, the cable unit (100, 110) further includes an insulating protection layer (270, 370), and the insulating protection layer (270, 370) wraps the first metal layer 210 and the second metal layer 310 respectively. The insulating protection layers (270, 370) are used to isolate and protect the first metal layer 210, the second metal layer 310, and the core wires (221, 222) and the lead wires 320 respectively located therein.

In some embodiments, the first metal layer 210 and the second metal layer 310 may be a woven mesh structure or a thin film layer structure.

In some embodiments, through the ground conductor 240 and/or the ground core wire 222, the first metal layer 210 and the second metal layer 310 have a good ability of shielding external interference signals, thereby enabling the wearing of the cable unit 100 The automatic physiological parameter monitor 400 can acquire and transmit the physiological data of the patient in a timely and accurate manner.

1 to 7, in some embodiments, the wearable physiological parameter monitoring system 10 includes cable units (100, 110), a wearable physiological parameter monitor 400, an electrode pad anti-defibrillation structure 500, a blood oxygen Cable 600 , blood oxygen probe 700 and electrode sheet 800 . The wearable physiological parameter monitor 400 is connected to one end of the cable unit (100, 110), and the cable unit (100, 110) extends from an end close to the wearable physiological parameter monitor 400 to an end far from the wearable physiological parameter monitor 400 The anti-defibrillation structure 500 and the electrode connector 330 are arranged in series in sequence. The electrode connector 330 clamps the electrode pad 800 so that the electrode pad 800 can transmit physiological data through the electrode connector 330 . The electrode pad 800 may be a disposable electrode pad; specifically, the disposable electrode pad may be a disposable ECG electrode pad. The blood oxygen cable 600 is connected between the wearable physiological data monitor 400 and the blood oxygen probe 700 .

The wearable physiological parameter monitor 400 can be bound on the patient's wrist or arm to monitor the patient's physiological data. Each electrode connector 330 is used to hold a piece of electrode sheet 800 . Each electrode pad 800 is used to stick to a certain part of the patient's body to measure the physiological data or impedance signal of the part. The anti-defibrillation structure 500 accommodates a defibrillation protection circuit, and the defibrillation protection circuit is used to defibrillate the patient's heart to restore normal heart beat when necessary to avoid damage to the ECG detection system.

The above are specific embodiments of the present application. It should be pointed out that for those skilled in the art, without departing from the principles of the present application, several improvements and modifications can also be made, and these improvements and modifications may also be regarded as The protection scope of this application.

Claims (11)

1. A cable unit for connecting a wearable physiological parameter monitor, comprising: a main cable and a lead portion;

the main cable comprises a plurality of coaxial core wires and a first metal layer for accommodating the core wires; the core wires comprise a plurality of data core wires and at least one grounding core wire;

one end of each data core wire is connected to a signal terminal of the wearable physiological parameter monitor through an instrument connector, the other end of each data core wire is divided into a plurality of lead wires through a lead dividing connector, the divided lead wires form the lead parts, and each lead wire is used for being connected with one electrode plate;

one end of the grounding core wire is connected to a grounding terminal of the wearable physiological parameter monitor through the instrument connector, and the other end of the grounding core wire is connected to the branching connector; and

and the second metal layers are respectively arranged on the outer surface of each lead wire and are connected with the grounding core wire through the branch wire connector.

2. The cable unit of claim 1, wherein the main cable further comprises a ground conductor located within and in contact with the first metal layer.

3. The cable unit according to claim 2, wherein the ground conductor is connected at one end to the ground terminal through the instrument connector and grounds the first metal layer by contact with the first metal layer.

4. The cable unit of claim 1, wherein the first metal layer and the second metal layer are isolated from each other by the shunt connector.

5. A cable unit for connecting a wearable physiological parameter monitor, comprising: a main cable and a lead portion;

the main cable comprises a plurality of coaxial data core wires, a grounding conductor and a first metal layer for accommodating the data core wires and the grounding conductor;

one end of each data core wire is connected to a signal terminal of the wearable physiological parameter monitor through an instrument connector, the other end of each data core wire is divided into a plurality of lead wires through a lead dividing connector, the divided lead wires form the lead parts, and each lead wire is used for being connected with one electrode plate;

the grounding conductor is in contact with the first metal layer and is connected to a grounding terminal of the wearable physiological parameter monitor through the instrument connector.

6. The cable unit of claim 5, wherein the lead portion further comprises a plurality of second metal layers respectively disposed on an outer surface of each of the lead wires.

7. The cable unit of claim 6, wherein an end of the ground conductor distal from the instrument connector is connected to the second metal layer by the shunt connector to commonly ground the second metal layer and the first metal layer.

8. The cable unit according to any one of claims 1-7, characterized in that the main cable further comprises at least one filler core, which is arranged between the core and the first metal layer.

9. The cable unit according to claim 8, further comprising a plurality of electrode connectors for clamping the electrode tabs, the plurality of electrode connectors being connected to one end of each of the lead wires remote from the branch connector, respectively.

10. The cable unit of claim 9, wherein a plurality of the lead wires are physically separated at the breakout connector; or

The electrode connectors are arranged in parallel and are sequentially increased in length, the electrode connectors are arranged at intervals and are connected to the tail end of each lead wire, and the lead wires between the adjacent electrode connectors are arranged in the same cable section.

11. A wearable physiological parameter monitoring system, comprising a wearable physiological parameter monitor, a plurality of electrode pads, and a cable unit according to any one of claims 1-10; one end of the cable unit is connected with the wearable physiological parameter monitor, and a plurality of lead wires which are divided from the other end of the cable unit are respectively connected to the electrode plates.

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