CN209863815U - Electrocardiogram monitoring electrode assembly and electrocardiogram monitoring device - Google Patents
Electrocardiogram monitoring electrode assembly and electrocardiogram monitoring device Download PDFInfo
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- CN209863815U CN209863815U CN201920305780.9U CN201920305780U CN209863815U CN 209863815 U CN209863815 U CN 209863815U CN 201920305780 U CN201920305780 U CN 201920305780U CN 209863815 U CN209863815 U CN 209863815U
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Abstract
The application relates to an electrocardio monitoring electrode assembly and an electrocardio monitoring device, which effectively avoid the relative displacement of a flexible electrode and skin through a flexible electrode arranged on the attachment of the abdominal wall of a human body and an inner fabric layer fixed with the flexible electrode. Through setting up the buffer layer between outer fabric layer and the inlayer fabric layer, reduced the frictional force between inlayer fabric layer and the outer fabric layer for when outer fabric layer activity, inlayer fabric layer remains motionless. The buffer layer effectively eliminates motion artifacts and ensures the accuracy of the fetal heart signals obtained by detection.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to an electrocardio monitoring electrode assembly and an electrocardio monitoring device.
Background
The death rate of fetuses and newborns is an important basis for measuring the development levels of economy, culture, medical treatment and the like in China. Fetal heart monitoring is the primary means of testing to correctly assess the condition of the fetus in the uterus. When the pregnant and lying-in women are in the perinatal period, high-risk pregnancies have high risk to the pregnant and lying-in women and fetuses, and the pregnant and lying-in women carry out fetal heart monitoring for many times every day at home, so that the death rate of the fetuses in the perinatal period can be reduced to the maximum extent. In the process of delivery of the pregnant and lying-in women, continuous fetal heart monitoring can be carried out on the pregnant and lying-in women, intrauterine conditions can be accurately judged, abnormality can be found in time, the asphyxia rate of the newborn and the fetal distress rate can be obviously reduced, and the safety of mothers and infants is improved.
The current fetal heart monitoring method adopts a maternal abdominal wall electrocardio monitoring mode to acquire a Maternal Electrocardiosignal (MECG) and a Fetal Electrocardiosignal (FECG), calculates the fetal electrocardiosignal through an algorithm, and generates a fetal heart rate curve for subsequent fetal heart data analysis. The fetal heart monitoring method can make fetal heart monitoring equipment small, even wearable, and enables fetal heart monitoring to be simpler and more convenient.
However, the most critical part of the fetal heart monitoring method is the fetal heart monitoring electrode, and the current fetal heart monitoring electrode is generally arranged in the fetal heart collecting abdominal belt or fetal heart collecting clothing, so that a great problem exists, namely, the current fetal heart monitoring electrode is poor in fitting with the abdominal wall of a pregnant woman, and the accuracy of fetal heart signals is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an electrocardiogram monitoring electrode assembly and an electrocardiogram monitoring device for solving the problem that the current fetal heart detection electrode is poor in fitting property with the abdominal wall of a pregnant and lying-in woman, so that the fetal heart signal obtained by detection is inaccurate.
The application provides an electrocardio monitoring electrode subassembly includes:
a flexible electrode comprising a first surface and a second surface;
the inner fabric layer is fixedly connected with the second surface of the flexible electrode, and the surface area of the inner fabric layer is larger than that of the first surface of the flexible electrode;
the edge of the outer fabric layer is fixedly connected with the edge of the inner fabric layer;
the buffer layer is clamped between the inner fabric layer and the outer fabric layer and used for reducing the friction force between the inner fabric layer and the outer fabric layer.
In one embodiment, the flexible electrode is a flexible conductive sheet.
In one embodiment, the flexible electrode includes:
the flexible substrate, the top surface of the said flexible substrate is the top surface of base plate;
the boss is arranged on the top surface of the flexible substrate and fixedly connected with the flexible substrate; the top surface of the boss is a boss top surface;
the surface area of the boss top surface is smaller than that of the substrate top surface to form a step.
In one embodiment, the flexible substrate is integrally formed with the boss.
In one embodiment, the boss top surface is one of circular, square and rectangular in shape.
In one embodiment, the top surface of the boss is a curved surface.
In one embodiment, the top surface of the boss is provided with uneven ripples so that the top surface of the boss is tightly attached to the skin of a human body.
In one embodiment, the ecg monitoring electrode assembly further comprises:
and the electrode protection film covers the surface of the flexible electrode and is used for fixing the electrode protection film, the flexible electrode and the inner fabric layer into a whole.
In one embodiment, a notch is formed in the center of the electrode protection film, and the electrode protection film is adhered to the step so that the top surface of the boss extends out of the notch.
In one embodiment, the buffer layer is a plastic film with a smooth surface.
The application also provides an electrocardio monitoring devices, includes:
a plurality of the aforementioned electrocardiographic monitoring electrode assemblies;
and the leads are used for connecting the plurality of electrocardio monitoring electrode assemblies in series or in parallel.
Drawings
FIG. 1 is a schematic structural view of one embodiment of an electrocardiographic monitoring electrode assembly provided herein;
FIG. 2 is a schematic structural diagram of a flexible electrode in an array of ECG monitoring electrodes provided herein;
FIG. 3 is an exploded view of one embodiment of an electrocardiographic monitoring electrode assembly provided herein;
fig. 4 is a schematic structural diagram of an embodiment of an electrocardiograph monitoring electrode device provided by the present application.
Reference numerals:
10 electrocardio monitoring electrode subassembly
50 electrocardio monitoring devices
100 flexible electrode
110 first surface of flexible electrode
120 second surface of the flexible electrode
130 flexible substrate
131 top surface of substrate
140 convex platform
141 convex top
150 steps
200 inner fabric layer
300 outer fabric layer
400 buffer layer
500 electrode protection film
510 gap
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the following describes an electrocardiographic monitoring electrode assembly 10 and an electrocardiographic monitoring device 50 in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The application relates to an electrocardio monitoring electrode assembly and an electrocardio monitoring device, which effectively avoid the relative displacement of a flexible electrode and skin through a flexible electrode arranged on the attachment of the abdominal wall of a human body and an inner fabric layer fixed with the flexible electrode. Through setting up the buffer layer between outer fabric layer and the inlayer fabric layer, reduced the frictional force between inlayer fabric layer and the outer fabric layer for when outer fabric layer activity, inlayer fabric layer remains motionless. The buffer layer effectively eliminates motion artifacts and ensures the accuracy of the fetal heart signals obtained by detection. The present application provides an electrocardiographic monitoring electrode assembly 10. The application environment of the electrocardiograph monitoring electrode assembly 10 is not limited. Optionally, the electrocardiographic monitoring electrode assembly 10 provided by the present application is applied to fetal electrocardiographic monitoring.
As shown in fig. 1, in an embodiment of the present application, the ecg monitoring electrode assembly 10 includes a flexible electrode 100, an inner fabric layer 200, an outer fabric layer 300, and a buffer layer 400. The flexible electrode 100 includes a first surface and a second surface. The second surface 120 of the flexible electrode 100 is fixedly connected to the inner fabric layer 200. The outer fabric layer 300 is fixedly connected to the edge of the inner fabric layer 200. The buffer layer 400 is sandwiched between the inner fabric layer 200 and the outer fabric layer 300. When the electrocardiograph monitoring electrode assembly 10 is in use, the first surface 110 of the flexible electrode 100 is attached to the skin of a human body. The surface area of the inner fabric layer 200 is greater than the surface area of the first surface 110 of the flexible electrode 100. The buffer layer 400 serves to reduce friction between the inner fabric layer 200 and the outer fabric layer 300.
Specifically, the flexible electrode 100 is made of a flexible conductive material. Optionally, the material of the flexible electrode 100 may be one of conductive rubber or conductive sponge. The first surface 110 of the flexible electrode 100 is attached to the skin of a human body. Optionally, the first surface 110 of the flexible electrode 100 is attached to the abdominal wall of a pregnant woman to detect the cardiac electrical signal of the fetus. The second surface 120 of the flexible electrode 100 may be fixedly connected to the inner fabric layer 200 by gluing.
After the second surface 120 of the flexible electrode 100 is fixedly connected to the inner fabric layer 200, the flexible electrode 100 and the inner fabric layer 200 can be regarded as a single body. The electrocardiograph monitoring electrode assembly 10 may be disposed in a fetal heart acquisition garment. The inner fabric layer 200 may be an inner cloth of the fetal heart acquisition garment. The outer fabric layer 300 may be an outer cloth of the fetal heart acquisition garment. When the pregnant and lying-in women wear the fetal heart collecting clothes, the inner layer clothes and the outer layer clothes can give pressure to the abdominal wall of the pregnant and lying-in women. The first surface 110 of the flexible electrode 100 is attached to the skin of a human body, so that the relative displacement between the flexible electrode 100 and the skin is reduced, and motion artifacts are inhibited to a certain extent.
Further, between the inner fabric layer 200 and the outer fabric layer 300, a buffer layer 400 is further provided. The buffer layer 400 serves to reduce friction between the inner fabric layer 200 and the outer fabric layer 300. The buffer layer 400 allows the inner fabric layer 200 to remain stationary or effectively reduce the amplitude of the movement of the inner fabric 200 when the outer fabric layer 300 is moved. Because the inner fabric layer 200 is fixedly connected with the flexible electrode 100, the buffer layer 400 is indirectly arranged to keep the flexible electrode 100 still or effectively reduce the amplitude of the movement of the flexible electrode 100 when the outer fabric layer 300 moves, so that the detection result is more accurate. The edge of the outer fabric layer 300, the edge of the buffer layer 400 and the edge of the inner fabric layer 200 are fixedly connected.
Alternatively, the outer fabric layer 300, the buffer layer 400 and the inner fabric layer 200 may be fixedly connected by one or more connection points at the edge of the outer fabric layer 300, one or more connection points at the edge of the buffer layer 400 and one or more connection points at the edge of the inner fabric layer 200.
In this embodiment, the flexible electrode 100 attached to the abdominal wall of the human body and the inner fabric layer 200 fixed to the flexible electrode 100 effectively prevent the relative displacement between the flexible electrode 100 and the skin. Through the buffer layer 400 arranged between the outer fabric layer 300 and the inner fabric layer 200, the friction force between the inner fabric layer 200 and the outer fabric layer 300 is reduced, so that when the outer fabric layer 300 moves, the inner fabric layer 200 keeps still or the movement amplitude of the inner fabric layer 200 is effectively reduced. The buffer layer 400 effectively eliminates motion artifacts.
In one embodiment, the flexible electrode 100 is a flexible conductive sheet.
Specifically, the flexible electrode 100 may be a sheet-shaped flexible conductive sheet. Optionally, the flexible conductive sheet has a thickness in a range of 2 mm to 5 mm. Optionally, the flexible conductive sheet has a thickness of 2 millimeters.
In this embodiment, by arranging the flexible conductive sheet, the overall thickness of the electrocardiograph monitoring electrode assembly 10 is greatly reduced, so that the weight of the electrocardiograph monitoring electrode assembly 10 is reduced, and the pressure of pregnant and lying-in women wearing the device containing the electrocardiograph monitoring electrode assembly 10 is reduced.
Referring to fig. 2, in one embodiment, the flexible electrode 100 includes a flexible substrate 130 and a boss 140. The boss 140 is fixedly connected to the flexible substrate 130. The top surface of the flexible substrate 130 is a substrate top surface 131. The boss 140 is disposed on the top surface of the flexible substrate 130. The top surface of the boss 140 is a boss top surface 141. The boss top surface 141 has a surface area smaller than that of the substrate top surface 131 to form a step 150.
The flexible electrode 100 includes a flexible substrate 130 and a boss 140. The boss 140 is attached to the abdominal wall of the pregnant and lying-in women. Specifically, the boss top surface 141 is attached to the abdominal wall of a pregnant woman. The step 150 is disposed such that the boss top surface 141 can extend out of the substrate top surface 131, thereby facilitating close attachment to the abdominal wall of pregnant and lying-in women. The boss 140 may be fixedly connected to the flexible substrate 130 by gluing to form the flexible electrode 100.
In this embodiment, the flexible substrate 130 is disposed and the boss top surface 141 extends out, so that the boss top surface 141 can be tightly attached to the abdominal wall of the pregnant and lying-in women, and the relative displacement between the flexible electrode 100 and the abdominal wall skin of the pregnant and lying-in women is effectively avoided.
In one embodiment, the flexible substrate 130 and the boss 140 are integrally formed.
Alternatively, when the flexible electrode 100 is in a factory manufacturing stage, the flexible substrate 130 and the boss 140 are integrally manufactured to form the flexible electrode 100. The boss 140 may have a thickness of 1 mm. The thickness of the flexible substrate 130 may be 1 mm.
In this embodiment, the flexible substrate 130 and the boss 140 are integrally formed, so that the stability of the flexible electrode 100 is enhanced.
In one embodiment, the boss top surface 141 is one of circular, square, and rectangular in shape.
Specifically, when the boss top surface 141 is circular in shape, the boss 140 is cylindrical. When the shape of the boss top surface 141 is square or rectangular, the boss 140 is a rectangular parallelepiped. Fig. 2 shows an embodiment of the flexible electrode when the top surface 141 of the boss is circular in shape.
In one embodiment, the top surface 141 is curved.
Specifically, the boss top surface 141 is provided as a curved surface. The curved surface increases the degree of fit of the flexible electrode 100 to the abdominal wall of a pregnant woman. The boss top surface 141 may be a curved surface that is integrally depressed inward. Alternatively, the boss top surface 141 may be a curved surface that is integrally convex outward. The overall shape of the curved surface is matched with the stature of the pregnant and lying-in women in different gestational periods of the fetus. For example, when the fetus is less than one month, the abdomen of the pregnant and lying-in woman is flat, and even has an inward concave shape, and the top surface 141 of the boss may be a curved surface protruding inward as a whole to fit the abdomen of the pregnant and lying-in woman. When the abdomen of the pregnant and lying-in woman rises, the top surface 141 of the boss can be a curved surface which is concave inwards as a whole and is attached to the abdomen of the pregnant and lying-in woman.
In this embodiment, the boss top surface 141 is set to be a curved surface, so that the boss top surface 141 and the abdomen of the pregnant and lying-in woman can be better attached to each other, the position stability of the flexible electrode 100 is ensured, the motion artifact is effectively eliminated, and the detection result of the electrocardiographic monitoring electrode assembly 10 is further accurate.
With continued reference to fig. 2, in one embodiment, the top surface 141 is provided with rugged ripples to make the top surface 141 tightly adhere to the skin of the human body.
Specifically, the boss top surface 141 is provided with uneven ripples, which increases the contact area between the abdominal wall of the pregnant and lying-in woman and the boss top surface 141, further reduces the contact impedance between the abdominal wall of the pregnant and lying-in woman and the boss top surface 141, and reduces the noise of the signals acquired by the electrocardiograph monitoring electrode assembly 10. In addition, the rugged corrugated structure can be made of a material with a rough surface, so that the friction force between the abdominal wall of the pregnant and lying-in women and the flexible electrode 100 is increased, the relative displacement between the electrode and the skin is effectively avoided, and the motion artifact is inhibited.
In this embodiment, the uneven ripples are arranged on the boss top surface 141, so that the contact area between the abdominal wall of the pregnant and lying-in woman and the boss top surface 141 is increased, the contact impedance between the abdominal wall of the pregnant and lying-in woman and the boss top surface 141 is further reduced, the noise of signals acquired by the electrocardio-monitoring electrode assembly 10 is reduced, and the motion artifacts are effectively suppressed.
As shown in FIG. 3, in one embodiment, the ECG monitoring electrode assembly 10 further includes an electrode protection membrane 500. The electrode protection film 500 covers the surface of the flexible electrode 100. The electrode protection film 500 is used for fixing the electrode protection film 500, the flexible electrode 100 and the inner fabric layer 200 into a whole.
Specifically, the electrode protection film 500 is a flexible material that is not electrically conductive. The electrode protection film 500 is made of one of TPE (thermoplastic elastomer), fabric, silicone, and rubber. Optionally, the surface of the electrode protection film 500 is coated with adhesive glue, and the electrode protection film 500, the flexible electrode 100 and the inner fabric layer 200 are fixed into a whole in an adhesive manner.
In this embodiment, by providing the electrode protection film 500, the flexible electrode 100 and the inner fabric layer 200 can be effectively fixed.
Referring to fig. 3, in one embodiment, the electrode protection film 500 has a notch 510 formed in the center thereof. The electrode protection film 500 is attached to the step 150 such that the boss top surface 141 protrudes through the notch 510.
Specifically, the shape of the electrode protection film 500 and the shape of the boss 140 are matched with each other. For example, if the boss 140 is a cylinder (the shape of the boss top surface 141 is a circle), the electrode protection film 500 is in the shape of a circular ring. At this time, the notch 510 is also circular, and the diameter of the notch is slightly larger than that of the boss top surface 141, so that the boss top surface 141 can extend out of the notch 510 when the electrode protection film 500 is adhered to the step 150. Fig. 3 shows an embodiment of the entire electrocardiograph monitoring electrode assembly when the electrode protection film 500 is in the shape of a circular ring.
In this embodiment, when the electrode protection film 500 is attached to the step 150, the notch 510 is formed in the center of the electrode protection film 500, so that the top surface 141 of the boss can extend out of the notch 510. Further, the flexible electrode 100 can be better attached to the abdominal wall of the pregnant and lying-in women.
In one embodiment, the buffer layer 400 is a plastic film with a smooth surface. Specifically, the buffer layer 400 has a smooth surface. Optionally, the buffer layer 400 is a plastic film with a smooth surface. The buffer layer 400 may reduce friction between the inner fabric layer 200 and the outer fabric layer 300. Further, the buffer layer 400 is configured to allow the inner fabric layer 200 to remain stationary or to effectively reduce the amplitude of the movement of the inner fabric 200 when the outer fabric layer 300 is moved. It can be understood that the buffer layer 400 enables the flexible electrode 100 to be attached to the abdominal wall of the pregnant and lying-in women more stably when being affected by external motion, so as to ensure the accuracy of the fetal heart signals obtained through detection.
In this embodiment, a buffer layer 400 is disposed between the inner fabric layer 200 and the outer fabric layer 300, so that the buffer layer 400 enables the flexible electrode 100 to be more stably attached to the abdominal wall of a pregnant woman and a lying-in woman when being affected by external motion, and the accuracy of the fetal heart signal obtained through detection is ensured.
As shown in fig. 4, the present application further provides an electrocardiograph monitoring device 50 comprising a plurality of the electrocardiograph monitoring electrode assemblies 10 mentioned above and a lead. The leads connect the plurality of electrocardiograph monitoring electrode assemblies 10 in series or in parallel.
Specifically, the electrocardiograph monitoring device 50 may be a fetal heart collecting garment or a fetal heart collecting abdominal belt, and the electrocardiograph monitoring device 50 includes a plurality of electrocardiograph monitoring electrode assemblies 10 connected in series or in parallel. When the electrocardiogram monitoring device is used, the pregnant and lying-in women wear the electrocardiogram monitoring device 50, and a plurality of electrocardiogram monitoring assemblies can acquire fetal heart signals of different positions of the abdominal wall of the pregnant and lying-in women simultaneously, so that the fetal heart signals obtained through detection are more accurate. The electrocardio monitoring device 50 can be an electrocardio intelligent garment, the electrocardio monitoring device 50 comprises a plurality of electrocardio monitoring electrode assemblies 10 which are mutually connected in series or in parallel, and when the electrocardio intelligent garment is used, the electrocardio intelligent garment is worn on the body and can acquire electrocardiosignals at the heart of a human body.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (11)
1. An electrocardiograph monitoring electrode assembly (10), comprising:
a flexible electrode (100), the flexible electrode (100) comprising a first surface (110) and a second surface (120);
an inner fabric layer (200) fixedly connected to the second surface (120) of the flexible electrode (100), the inner fabric layer (200) having a surface area greater than a surface area of the first surface (110) of the flexible electrode (100);
the edge of the outer fabric layer (300) is fixedly connected with the edge of the inner fabric layer (200); and
the buffer layer (400) is clamped between the inner fabric layer (200) and the outer fabric layer (300) and used for reducing the friction force between the inner fabric layer (200) and the outer fabric layer (300).
2. The electrocardiograph monitoring electrode assembly (10) according to claim 1, wherein the flexible electrode (100) is a flexible conductive sheet.
3. The electrocardiograph monitoring electrode assembly (10) according to claim 1, wherein the flexible electrode (100) comprises:
a flexible substrate (130) having a top surface that is a substrate top surface (131); and
the boss (140) is arranged on the top surface of the flexible substrate (130), and the boss (140) is fixedly connected with the flexible substrate (130); the top surface of the boss (140) is a boss top surface (141);
the boss top surface (141) has a surface area smaller than that of the substrate top surface (131) to form a step (150).
4. The electrocardiograph monitoring electrode assembly (10) according to claim 3, wherein the flexible substrate (130) is integrally formed with the boss (140).
5. The electrocardiograph monitoring electrode assembly (10) according to claim 3, wherein the boss top surface (141) is one of circular, square and rectangular in shape.
6. The electrocardiograph monitoring electrode assembly (10) according to claim 3, wherein the boss top surface (141) is curved.
7. The electrocardiograph monitoring electrode assembly (10) according to claim 6, wherein the boss top surface (141) is provided with uneven ripples so that the boss top surface (141) is closely adhered to the skin of a human body.
8. The electrocardiograph monitoring electrode assembly (10) according to claim 7, further comprising:
and the electrode protection film (500) covers the surface of the flexible electrode (100) and is used for fixing the electrode protection film (500), the flexible electrode (100) and the inner fabric layer (200) into a whole.
9. The electrocardiograph monitoring electrode assembly (10) according to claim 8, wherein a notch (510) is formed in the center of the electrode protective film (500), and the electrode protective film (500) is adhered to the step (150) such that the projection top surface (141) protrudes from the notch (510).
10. The ecg monitoring electrode assembly (10) of claim 1, wherein the buffer layer (400) is a smooth surfaced plastic film.
11. An electrocardiographic monitoring device (50), comprising:
a plurality of electrocardiograph monitoring electrode assemblies (10) according to any one of claims 1-10; and
a lead (20) connecting the plurality of electrocardiograph monitoring electrode assemblies (10) in series or in parallel.
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| CN201920305780.9U CN209863815U (en) | 2019-03-11 | 2019-03-11 | Electrocardiogram monitoring electrode assembly and electrocardiogram monitoring device |
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| CN201920305780.9U CN209863815U (en) | 2019-03-11 | 2019-03-11 | Electrocardiogram monitoring electrode assembly and electrocardiogram monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113261972A (en) * | 2020-02-17 | 2021-08-17 | 华为技术有限公司 | Electrocardio detection device, circuit and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113261972A (en) * | 2020-02-17 | 2021-08-17 | 华为技术有限公司 | Electrocardio detection device, circuit and method |
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