CN209003993U - Electrode for Electrophysiological mapping - Google Patents
Electrode for Electrophysiological mapping Download PDFInfo
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- CN209003993U CN209003993U CN201821360118.5U CN201821360118U CN209003993U CN 209003993 U CN209003993 U CN 209003993U CN 201821360118 U CN201821360118 U CN 201821360118U CN 209003993 U CN209003993 U CN 209003993U
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Abstract
The utility model relates to a kind of electrodes for Electrophysiological mapping, can be used for body surface and in-vivo measurement.Electrode is made of electrode points, flexible electrical pole piece, hole, lead, grounding point and connector.Electrode points are in the form of an array or columnar version is arranged in flexible electrode on piece, it is connect by lead with connector, integral structure is formed, and required mapping position realization body surface larger range or in vivo small range of Electrophysiological mapping can be sutured in by way of interting elastic band between hole or through hole.The utility model have the characteristics that electrode points utilization rates is high, mapping site is more, it is simple and reliable for structure, detected part can be fitted closely, can complete to real-time synchronization body surface or intracorporal Electrophysiological mapping by simple operations.
Description
Technical field
The utility model relates to a kind of electrodes for Electrophysiological mapping.
Background technique
Electrophysiological mapping electrode is the critical component for acquiring the electric signal at each position of biological vital tissue.Currently used for
The mapping electrodes of cardiac electrophysiology stud can be mainly divided into three classes according to its measuring point: endocardial mapping electrode, the external membrane of heart
Mapping electrodes and surface mapping electrode, present applicant proposes a kind of electricity that can be used to measure body surface signal and external membrane of heart signal
Pole.
At present in body surface ecg measurement, common electrode is mostly electrode patch, the problem of being primarily present are as follows: this kind of electrode
The mostly not reproducible use of disposable electrode, causes measurement cost to increase；Contain electrolyte in electrode, has for measured's skin
Irritating effect, it is difficult to meet the needs of measuring for a long time；With using the time elongated, electrode polarization causes under Signal-to-Noise
Drop；Measurement method generally uses multiply conducting wire to be connected with electrode slice, and each mapping point needs an individual conducting wire connection,
When required mapping point number is more, conducting wire quantity is excessive, will lead to conducting wire winding and causes difficulty to measurement.In addition, this electricity
Chip surface product in pole is larger, it is difficult to realize highdensity electrocardiographicassignment assignment test in body surface.
Current clinically common epicardial mapping electrode is catheter electrode, and measurement points are less, can not achieve multidigit
The synchronization mapping of point.In addition, the higher cost of manufacture catheter electrode.For multiple location, multichannel epicardial mapping, mapping electrodes
It needs by the way of pellet electrode.
Summary of the invention
In order to overcome the above problem in Electrophysiological mapping, the utility model uses the implementation of pellet electrode, in original
On the basis of some patented technologies (ZL200920069996.6), design that stable structure, mode of operation are simple, measurement accuracy is high
The electrode for Electrophysiological mapping.It is convenient to realize body surface and internal Electrophysiological mapping using the device.
The utility model proposes the electrode for Electrophysiological mapping, by electrode points 1, flexible electrical pole piece 2, hole 3, lead
4, connector 5 and grounding point 8 form, in which: several electrode points 1 are distributed in the form of an array on flexible electrical pole piece 2, Mei Ge electricity
1 one end of pole is equipped with lead 4, and the other end is connect with connector 5, the quantity and the number of pin phase of connector 5 of the lead 4
Together；The lead 4 of each electrode points 1 is connected with a pin of the corresponding connector 5 positioned at 2 one end of flexible electrical pole piece respectively,
Each connector 5 is connected with Electrophysiological mapping instrument 7 respectively by corresponding interface 6, and each electrode points 1 will by connector 5
Signal is input to Electrophysiological mapping instrument 7；Flexible electrical pole piece 2 is equipped with hole 3, and the use of hole 3 is annular or round, electrode points 1,
Hole 3, lead 4, connector 5 and grounding point 8 are arranged on flexible electrical pole piece 2, form integral structure.
In the utility model, it is highly 0.1 ~ 1.2mm, the electrode points 1 can be pasted closely that electrode points 1, which are spherical surface hill shape,
Mapping position is closed, 1 diameter of electrode points is 0.5 ~ 8mm, can meet the measurement needs of different accuracy and different parts.
In the utility model, the spatial relation between electrode points 1 can be according to mapping position size and required mapping
Points determine.Electrode points 1 are using copper as material, surface gold-plating.
In the utility model, 4 width of lead of each electrode points 1 is that 0.08 ~ 0.15mm is differed, and can effectively reduce flexible print
The surface area of brush circuit wafer 2.
In the utility model, elastic band can be used in electrophysiologicalmeasurements measurements and pass through annular hole for more sheets of flexible electrode slice 2
It is covered in the test serum surface of human body or animal, or required mapping position is sutured in by circular hole.
In the utility model, flexible electrical pole piece 2 is flexible print circuit using polyimides as material, and lead 4 is uniformly distributed
In flexible electrical pole piece 2.It is whole to flexible electrical pole piece 2 to use paving process for copper, pass through grounding point 8 and realizes shielding action.Flexible electrical
The size and shape of pole piece 2 is depending on the case where mapping position.
In the utility model, when being used for surface mapping, the array format is columnar version；When for epicardial mapping
When, the array format is matrix array form or honeycomb array form.
In the utility model, when using columnar version, equidistantly arrange between electrode points 1.
In the utility model, when matrix array form, the electrode points perpendicular alignmnet of the adjacent row or column of electrod-array, ranks
Spacing is equal, and each electrode points 1 have four equidistant electrode points up and down, constitutes a square；When using honeycomb
When array format, the electrode points of adjacent rows are staggered up and down with 60 °, the electricity of lastrow adjacent two electrode points and corresponding next column
Pole constitutes an equilateral triangle, and the electrode points at non-edge position share 6 equidistant electrode points, constitutes positive six side
Shape.
In the utility model, the setting of hole 3 can be such that electrode points 1 and mapping position are in close contact, and effectively reduce electrode
The displacement of point 1 improves the quality of mapping signal.
In the utility model, flexible electrical pole piece 2 connects electricity physiological signal detecting instruments 7 by connector 5.
Conventional Electrophysiological mapping mostly uses bipolar map mode, that is, measures the potential difference between two mapping sites, difficult
To detect the myogenetic electrical activity of adjacent cells domain heart, and then influence the comprehensive and accuracy of mapping.The utility model
The Electrophysiological mapping electrode of design can realize single bipolar compound mapping, to overcome the above problem.It is described as follows:
If electrod-array is made of m row, n column electrode points, therefore can get monopole mapping signal has m × n a.Electrod-array
In, adjacent two electrode points form bipolar lead, the differential electric signal between two electrode points are obtained, using the signal as position in the two
The bipolar signal of point 9.For rectangular array form, obtainable bipolar signal is 2mn-m-n；For honeycomb array form,
Obtainable bipolar signal is 3mn-2 (m+n)+1.
The electrode of the utility model design cannot be only used for the Electrophysiological mapping of metastomium and heart, it can also be used to brain
The Electrophysiological mapping at the positions such as stomach function regulating realizes body surface or in-vivo measurement.
The utility model has the beneficial effects that
1. the utility model can be to body surface and the internal synchronous Electrophysiological mapping for carrying out multidigit point, using a small amount of electrode slice
Just it is able to achieve internal smaller range or the large range of Electrophysiological mapping of body surface, completes the measurement of high real-time and high synchronism,
And it can realize three-dimensional Electrophysiological mapping.
2. the utility model has by the equally distributed electrode points of rule, it is able to achieve single bipolar synchronous mapping, electricity can be improved
Pole utilization rate, and mapping region inner potential mapping accuracy can be improved；It can be calculated in mapping region using each unipolar signal
Bioelectrical activity information.
3. in the utility model, electrode plate shape and size are more flexible, electrode points can effective over and be bonded mapping
Region effectively promotes the quality of mapping signal.
4. the utility model uses flexible printed circuit board, the electrode of this integral structure is not easily broken, falls off, has
Reduce external cabling quantity, easy to operate, high reliablity in effect ground.
Detailed description of the invention
Fig. 1 is the electrode structure schematic diagram of the utility model.
Fig. 2 is a epicardial mapping electrode slice schematic diagram of the utility model.
Fig. 3 is the electrod-array matrix arrangement mode of the utility model.
Fig. 4 is the electrod-array honeycomb arrangement mode of the utility model.
Fig. 5 is trunk front electrode arrangement mode when carrying out 128 lead surface mapping using external electrode band.
Fig. 6 is trunk rear electrode arrangement mode when carrying out 128 lead surface mapping using external electrode band.
Contact conductor is not drawn into Fig. 5, Fig. 6.
Figure label: 1 is electrode points, and 2 be flexible electrical pole piece, and 3 be hole, and 4 be lead, and 5 be connector, and 6 be connector 5
Corresponding interface, 7 be Electrophysiological mapping instrument, and 8 be grounding point, and 9 be the corresponding middle site of bipolar signal.
Specific embodiment
The utility model is further described below in conjunction with drawings and examples.
Embodiment 1: the electrode group for surface mapping.Fig. 1 gives the structural schematic diagram of each electrode slice.By electrode points 1,
Flexible electrical pole piece 2, hole 3, lead 4, connector 5 and grounding point 8 form.Wherein electrode points 1 are distributed in flexibility in the form of an array
On electrode slice 2, the lead 4 of each electrode points 1 be located at 2 one end of flexible electrical pole piece connector 5 connect, connector 5 with it is corresponding
Interface 6 connects, and inputs a signal into Electrophysiological mapping instrument 7.It above-mentioned member electrode point 1, hole 3, lead 4, connector 5 and connects
Place 8 is arranged on flexible electrical pole piece 2, forms integral structure.Electrode points 1 are spherical surface hill shape, are highly 0.1 ~ 1.2mm
It differs, mapping position can be fitted closely, 1 diameter range of electrode points is 0.5 ~ 8mm, can meet different accuracy and different parts
Measurement need.Spatial relation between electrode points 1 can be determined according to mapping position size and required mapping points.Electricity
Pole 1 is using copper as material, surface gold-plating.4 width of lead of each electrode points 1 can effectively reduce flexibility in 0.08 ~ 0.15mm etc.
The surface area of printed circuit piece.Flexible electrical pole piece 2 is flexible print circuit using polyimides as material, and lead 4 is evenly distributed on
In flexible electrical pole piece 2.It is whole to flexible electrical pole piece 2 to use paving process for copper, pass through grounding point 8 and realizes shielding action.Flexible electrode
The size and shape of piece 2 is depending on the case where mapping position.Hole 3 is equipped on every piece of flexible electrical pole piece 2, hole 3 can be set
Meter circularizes or circle, and elastic band (by annular hole 3) can be used in electrophysiologicalmeasurements measurements and cover more sheets of flexible electrode slice 2
In human body or the test serum surface of animal, or it is sutured in mapping position needed for (by circular hole 3).This mode can make electricity
Pole 1 and mapping position are in close contact, and effectively reduce the displacement of electrode points 1, improve the quality of mapping signal.
Electrode structure for surface mapping is as shown in Figure 1, electrode slice 2 is elongated, and electrode points 1 are in flexible electrical pole piece 2
On be uniformly distributed with columnar version, it is equidistant between each electrode points 1.
Referring to Fig. 5 and Fig. 6, electrode group is made of 14 electrode slices, shares 128 electrode points.Referring to Fig. 5, before trunk
Totally 74, electrode, 9 electrode points of each column, most left and right column mostly 1 (shoulder position) (9*6+10*2).Label is in Fig. 5
The electrode points of color are mainly used for measuring limb leads signal.Referring to Fig. 6, trunk rear electrode totally 54,6 are arranged, 9 electrodes of each column
Point.Using elastic band, the hole of same level height is sequentially passed through, so that the electrode points on electrode slice and skin are in close contact,
It crosses for fixing front electrode piece and the elastic band of rear electrode piece in transaxillary position, and the two is stopped up into the example energy
Realize the real-time synchronization three-dimensional mapping on human body or animal trunk surface.
Embodiment 2: the electrode group for whole-heartedly room epicardial mapping.Electrode group is made of 8 electrode slices, shares 128
Electrode points.Fig. 2 gives the electrode points arrangement of the electrode slice 2 for mapping pulmonary vein.Electrode points 1 exist when for epicardial mapping
The distribution of flexible electrical pole piece 2 mainly uses following two arrangement mode:
A kind of mode is matrix array form (see figure 3).The electrode points perpendicular alignmnet of the adjacent row or column of electrod-array, ranks
Spacing is equal, and each electrode points have four equidistant electrode points up and down, constitutes a square, this arrangement mode
Referred to as rectangular array form.
Another way is honeycomb array form (see figure 4).The electrode points of adjacent rows are staggered up and down with 60 °, lastrow
Adjacent two electrode points constitute an equilateral triangle with the electrode points of corresponding next column, and the electrode points at non-edge position share 6
Equidistant electrode points constitute a regular hexagon.Electrode arrangements can be composed of multiple hexagons, therefore the arrangement mode
Referred to as honeycomb array form.
When flexible electrical pole piece 2 is in irregular shape, the array of electrode points 1 will be adjusted correspondingly.Electrode slice 2 is by patching
Part 5 connects electricity physiological signal detecting instruments 7.
When carrying out mapping, electrode slice can be sewn to the left and right atrium of subjects by the hole 3 on each electrode slice,
The synchronization three-dimensional mapping in atrium is realized in the root of left and right Pulmonary venous vestibule and four pulmonary veins in real time.
Above-described embodiment is a part of the utility model concrete application range, in practical applications, the utility model
Specific design is not limited to the above embodiment.On the basis of the utility model, size, shape for electrode, for electrode
The modification that the arrangement mode of point is made all should belong to the protection scope of the utility model.
Claims (9)
1. a kind of electrode for Electrophysiological mapping by electrode points (1), flexible electrical pole piece (2), hole (3), lead (4), patches
Part (5) and grounding point (8) composition, it is characterised in that: several electrode points (1) are distributed in flexible electrical pole piece (2) in the form of an array
On, each electrode points (1) one end is equipped with lead (4), and the other end connect with connector (5), the quantity of the lead (4) with patch
The number of pin of part (5) is identical；The lead (4) of each electrode points (1) is respectively with corresponding positioned at flexible electrical pole piece (2) one end
One pin of connector (5) connects, each connector (5) by corresponding interface (6) respectively with Electrophysiological mapping instrument (7)
It is connected, each electrode points (1) input a signal into Electrophysiological mapping instrument (7) by connector (5)；On flexible electrical pole piece (2)
Equipped with hole (3), hole (3) is using annular or round, electrode points (1), hole (3), lead (4), connector (5) and grounding point
(8) it is arranged on flexible electrical pole piece (2), forms integral structure.
2. a kind of electrode for Electrophysiological mapping according to claim 1, it is characterised in that: electrode points (1) are spherical surface
Convex is highly 0.1 ~ 1.2mm, and the electrode points (1) can fit closely mapping position, electrode points (1) diameter is 0.5 ~
8mm meets the measurement needs of different accuracy and different parts.
3. a kind of electrode for Electrophysiological mapping according to claim 1, it is characterised in that: between electrode points (1)
Spatial relation determines that electrode points (1) are using copper as material, surface plating according to mapping position size and required mapping points
Gold.
4. a kind of electrode for Electrophysiological mapping according to claim 1, it is characterised in that: each electrode points (1)
Lead (4) width is 0.08 ~ 0.15mm.
5. a kind of electrode for Electrophysiological mapping according to claim 1, it is characterised in that: flexible electrical pole piece (2) with
Polyimides is material, is flexible print circuit, and lead (4) is evenly distributed in flexible electrical pole piece (2)；To flexible electrical pole piece
(2) whole using paving process for copper, shielding action is realized by grounding point (8), and the size and shape of flexible electrical pole piece (2) is according to mark
Depending on the case where surveying position.
6. a kind of electrode for Electrophysiological mapping according to claim 1, it is characterised in that: in electrophysiologicalmeasurements measurements,
More sheets of flexible electrode slice (2) is covered in the test serum surface of human body or animal using elastic band by annular hole, or logical
It crosses circular hole and is sutured in required mapping position.
7. a kind of electrode for Electrophysiological mapping according to claim 1, it is characterised in that: when for surface mapping
When, the array format is columnar version；When being used for epicardial mapping, the array format is matrix array form or honeycomb
Array format.
8. a kind of electrode for Electrophysiological mapping according to claim 7, it is characterised in that: when using columnar version
When, electrode points are equidistantly arranged between (1).
9. a kind of electrode for Electrophysiological mapping according to claim 7, it is characterised in that: when using matrix array shape
When formula, the electrode points perpendicular alignmnet of the adjacent row or column of electrod-array, ranks spacing is equal, and each electrode points (1) have a left side up and down
Right four equidistant electrode points, constitute a square；When using honeycomb array form, above and below the electrode points of adjacent rows
It is staggered with 60 °, adjacent two electrode points of lastrow constitute an equilateral triangle, non-edge position with the electrode points of corresponding next column
Electrode points share 6 equidistant electrode points, constitute a regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821360118.5U CN209003993U (en) | 2018-08-22 | 2018-08-22 | Electrode for Electrophysiological mapping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821360118.5U CN209003993U (en) | 2018-08-22 | 2018-08-22 | Electrode for Electrophysiological mapping |
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| CN209003993U true CN209003993U (en) | 2019-06-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269615A (en) * | 2019-07-30 | 2019-09-24 | 山东凯迪泰科智能系统有限公司 | Vest device for mapping body surface electromotive force |
| CN110575167A (en) * | 2019-09-16 | 2019-12-17 | 北京工业大学 | Flexible abdominal ruler for measuring electrode distance |
| CN113730798A (en) * | 2021-08-07 | 2021-12-03 | 复旦大学 | Non-invasive multichannel electrode array suitable for different human arm sizes |
| EP3995079A1 (en) * | 2020-11-09 | 2022-05-11 | Biosense Webster (Israel) Ltd. | Staggered electrode arrangements for electrophysiological sensing |
| CN115813398A (en) * | 2023-02-17 | 2023-03-21 | 四川锦江电子医疗器械科技股份有限公司 | Balloon electrode catheter and using method thereof |
-
2018
- 2018-08-22 CN CN201821360118.5U patent/CN209003993U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269615A (en) * | 2019-07-30 | 2019-09-24 | 山东凯迪泰科智能系统有限公司 | Vest device for mapping body surface electromotive force |
| CN110575167A (en) * | 2019-09-16 | 2019-12-17 | 北京工业大学 | Flexible abdominal ruler for measuring electrode distance |
| EP3995079A1 (en) * | 2020-11-09 | 2022-05-11 | Biosense Webster (Israel) Ltd. | Staggered electrode arrangements for electrophysiological sensing |
| US11771373B2 (en) | 2020-11-09 | 2023-10-03 | Biosense Webster (Israel) Ltd. | Staggered electrode arrangements for electrophysiological sensing |
| CN113730798A (en) * | 2021-08-07 | 2021-12-03 | 复旦大学 | Non-invasive multichannel electrode array suitable for different human arm sizes |
| CN115813398A (en) * | 2023-02-17 | 2023-03-21 | 四川锦江电子医疗器械科技股份有限公司 | Balloon electrode catheter and using method thereof |
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