CN215375499U - Device for electromagnetic compatibility detection of electrophysiological catheter - Google Patents
Device for electromagnetic compatibility detection of electrophysiological catheter Download PDFInfo
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- CN215375499U CN215375499U CN202120873772.1U CN202120873772U CN215375499U CN 215375499 U CN215375499 U CN 215375499U CN 202120873772 U CN202120873772 U CN 202120873772U CN 215375499 U CN215375499 U CN 215375499U
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052802 copper Inorganic materials 0.000 claims abstract description 77
- 239000010949 copper Substances 0.000 claims abstract description 77
- 230000007831 electrophysiology Effects 0.000 claims description 35
- 238000002001 electrophysiology Methods 0.000 claims description 35
- 238000012360 testing method Methods 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 206010003119 arrhythmia Diseases 0.000 description 3
- 230000006793 arrhythmia Effects 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012013 examination and treatment method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007674 radiofrequency ablation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
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Abstract
The utility model discloses a device for electromagnetic compatibility detection of an electrophysiological catheter, which belongs to the technical field of medical instrument inspection and comprises a base and a support, wherein the support is arranged on the base, a plurality of copper columns are arranged on the support, the copper columns are movably arranged on the support, insulating outer columns are arranged on the outer sides of the copper columns, two ends of each copper column extend out of the outer part of each insulating outer column, and the insulating outer columns and the copper columns can move up and down and be positioned on the support; the copper post includes anodal copper post and negative pole copper post, and the one end that the base was kept away from to anodal copper post collects to a positive output line on, and the one end that the base was kept away from to the negative pole copper post collects to a negative output line on, the end of anodal output line is provided with the anodal electrode and detains, the end of negative output line is provided with the negative electrode and detains. The technical scheme of the embodiment of the utility model is used for connecting the electrophysiological catheter and the electrophysiological signal simulator, is more time-saving and effective, can ensure reliable connection and improves the detection efficiency.
Description
Technical Field
The utility model relates to the technical field of medical instrument inspection, in particular to a device for electromagnetic compatibility detection of an electrophysiological catheter.
Background
The electromagnetic compatibility mainly studies the problems of electromagnetic interference and interference resistance, and aims to ensure that various electronic and electrical devices, circuits, equipment and systems working in the same electromagnetic environment can normally work without mutual interference so as to achieve a compatible state. The three elements forming the electromagnetic interference are a disturbance source, a transmission path and sensitive equipment. Electromagnetic compatibility (EMC) of an electrical and electronic device should include its disturbance emission characteristics (EMI) as a source of disturbance and its anti-interference characteristics (EMS) as a sensitive device.
The electrophysiology catheter is a common accessory medical electrical device and is a key component for recording electrophysiology signals of all parts in the heart, electrically stimulating the heart and carrying out electrophysiology mapping on heart diseases. The application method comprises the steps of puncturing femoral vein blood vessels or internal jugular vein blood vessels, sending the electrophysiology catheter to different positions in a heart cavity along a blood vessel cavity under X-ray fluoroscopy, carrying out electrophysiology examination on the heart, defining and diagnosing origin focuses of arrhythmia, and providing necessary basis for radio frequency ablation. The examination and treatment method not only avoids the chest pain of patients, but also can treat arrhythmia with few complications, and is widely applied in clinic at home and abroad.
Over the past 30 years, as clinical cardiac electrophysiology has progressed from "research" to "treatment" of arrhythmias, electrophysiology catheters of various morphologies and functions have been developed for some specific diagnostic purposes or for specific cardiac anatomical locations. Such as electrodes from 2 poles to 24 poles, electrodes of different inter-pole spacing or equal spacing, electrodes of different distal bend types, and so forth. As shown in fig. 1 of the drawings, the EMS test of an electrophysiology catheter requires connecting an electrophysiology signal simulator, which can provide different electrophysiology signals, such as QRS waveform with heart rate of 60bpm, and an electrophysiology recorder, which is used to analyze and display the QRS waveform. Due to the limit value of the size of the electrophysiological catheter, the size of the electrode is small (about 1 mm), the distance is small (minimum 1 mm), and the diameter is changed, so that the connection is difficult when the electrophysiological signal simulator is connected. At present, the mode of wire connection consumes very much time, and the connection mode is very insecure, and the condition of coming off or short circuit appears very easily when each test site of EMS switches.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a device for electromagnetic compatibility detection of an electrophysiology catheter, so as to solve the problem of difficult connection between the electrophysiology catheter and an electrophysiology signal simulator, thereby saving time and efficiency, ensuring reliable connection, avoiding the influence of the connection problem on the test, stabilizing the output, and improving the detection efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the device for the electromagnetic compatibility detection of the electrophysiological catheter comprises a base and a support, wherein the support is mounted on the base, a plurality of copper columns are arranged on the support, the copper columns are movably mounted on the support, insulating outer columns are arranged on the outer sides of the copper columns, two ends of each copper column extend out of the corresponding insulating outer column, and the insulating outer columns and the copper columns can move up and down and be positioned on the support;
the copper post includes anodal copper post and negative pole copper post, the one end that the base was kept away from to anodal copper post is collected to an anodal output line on, the one end that the base was kept away from to the negative pole copper post is collected to a negative pole output line on, the end of anodal output line is provided with the anodal electrode and detains, the end of negative pole output line is provided with the negative electrode and detains.
Furthermore, the positive electrode buckle and the negative electrode buckle are arranged on a cable joint, and the other end of the cable joint is connected with the positive output line and the negative output line.
Furthermore, a plurality of through holes are formed in the support, and the insulating outer column penetrates through the through holes and can move along the axis of the through holes; the insulating outer column is provided with external threads, two ends of the insulating outer column are respectively meshed with nuts, and the outer diameter of each nut is larger than the diameter of the through hole in the support.
Furthermore, a groove is formed in the position, corresponding to the support, of the upper surface of the base.
Furthermore, scales are arranged on the base corresponding to the arrangement direction of the copper columns.
An optional technical scheme is that a conductive pressing sheet is arranged at the bottom end of the copper column.
An optional technical scheme is that an arc-shaped groove is formed in the bottom end of the copper column.
An optional technical scheme is that the bottom end of the copper column is provided with a bending part bent towards one side.
Furthermore, the base and the support are made of insulating materials.
Furthermore, the bottom surface of the base is provided with an anti-skid pad.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the device for the electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, one end of the copper column is in contact with the electrode on the electrophysiological catheter, the other end of the copper column is converged on the corresponding positive electrode output line and the negative electrode output line, the tail end of the positive electrode output line is provided with the positive electrode buckle, the tail end of the negative electrode output line is provided with the negative electrode buckle, and the positive electrode buckle and the negative electrode buckle can be conveniently connected with the electrophysiological signal simulator.
2. According to the device for the electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, the positive electrode buckle and the negative electrode buckle are connected with the positive output line and the negative output line in a cable joint mode, so that the lines are more organized, and the disorder of the lines is avoided.
3. According to the device for electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, the external thread is arranged on the insulating outer column outside the copper column, and the copper column is positioned by meshing the nut and the thread, so that the device is convenient to operate, reliable in positioning and low in cost.
4. According to the device for the electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, the groove is formed in the position, corresponding to the bracket, of the upper surface of the base, so that the electrophysiological catheter can be conveniently placed; the base is provided with scales corresponding to the arrangement direction of the copper columns, and the scales are used for forming reference for the arrangement position of the electrophysiological catheter and the electrode position, so that the test arrangement efficiency is improved, and the test reproducibility is facilitated.
5. According to the device for the electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, the bottom end of the copper cylinder is provided with the conductive pressing sheet or the arc-shaped groove and the like, so that the bottom end of the copper cylinder is convenient to contact with the electrode on the electrophysiological catheter, the electrode can be more stably pressed by the bottom end of the copper cylinder, and the smooth test and the accuracy of a detection result are facilitated.
6. According to the device for electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, the bottom end of the copper column is provided with the bending part bent towards one side, in some cases, adjacent electrodes on the electrophysiological catheter are close to each other and are in a small distance from each other, under the action of the insulating outer column, the vertical copper column can possibly cause interference with each other, and the bending part bent towards one side is arranged at the bottom end of the copper column, so that the distance caused by the insulating outer column is compensated by the bending part, the interference can be avoided, and the device is convenient to use.
7. According to the device for the electromagnetic compatibility detection of the electrophysiological catheter, disclosed by the utility model, the base and the support are made of insulating materials, so that the additional electromagnetic interference is avoided, and the accuracy of a test result is influenced; be provided with the slipmat on the bottom surface of base for the base is more firm placing on the test bench.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram illustrating the connection relationship between an electrophysiology signal simulator and an electrophysiology recorder during an EMS test according to the background art of the present invention;
FIG. 2 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a base according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a second copper pillar portion according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a copper pillar portion according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a four copper pillar portion according to an embodiment of the present invention.
In the figure: the device comprises a base, a support, a copper column 3, an insulating outer column 4, an anode output line 5, a cathode output line 6, an anode electrode 7, a cathode electrode 8, a cable joint 9, a nut 10, a groove 11, a non-slip mat 12, a conductive pressing sheet 13, an arc-shaped groove 14, a bending part 15 and a scale 16.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
The first embodiment is as follows:
as shown in fig. 2 and fig. 3, the embodiment provides a device for electromagnetic compatibility detection of an electrophysiology catheter, which includes a base 1 and a support 2, the support 2 is installed on the base 1, a plurality of copper cylinders 3 are arranged on the support 2, the copper cylinders 3 are movably installed on the support 2, an insulating outer cylinder 4 is arranged outside the copper cylinders 3, two ends of the copper cylinders 3 extend out of the insulating outer cylinder 4, and the insulating outer cylinder 4 and the copper cylinders 3 can move up and down and be positioned on the support 2.
Specifically, the base 1 of the embodiment is flat, the support 2 is in the shape of a portal frame, the diameter of the copper column 3 is 1mm, a plurality of through holes are formed in a cross beam of the support 2, and the insulating outer column 4 penetrates through the through holes and can move along the axis of the through holes; the insulating outer column 4 is provided with external threads, two ends of the insulating outer column 4 are respectively meshed with nuts 10, and the outer diameter of each nut 10 is larger than the diameter of the through hole in the support 2. Will have the copper post 3 of insulating outer post 4 and reciprocate along the through-hole, realize the regulation of 3 positions of copper post, after 3 bottoms of copper post pressed the electrode of electrophysiology pipe, all screwed up the nut 10 at 4 both ends of insulating outer post, realize the fastening location of insulating outer post 4 to realized the fastening location of copper post 3, realized the reliable contact of electrode on copper post 3 and the electrophysiology pipe.
During the use, 3 bottom of copper post are pushed down the electrode on the electrophysiology pipe, anodal electrode is detained 7 and is detained 8 and be connected to the electrophysiology signal simulator with negative electrode, anodal electrode is detained 7 and negative electrode and is detained 8 can be convenient and be realized being connected with the electrophysiology signal simulator, the problem of being connected the difficulty between electrophysiology pipe and the electrophysiology signal simulator has been solved, it is more effective to save time, and can guarantee to connect reliably, the influence that the connection problem led to the fact to the experiment has been avoided, make output more stable, and the detection efficiency is improved.
In order to facilitate the placement of the electrophysiology catheter, a groove 11 is arranged on the upper surface of the base 1 corresponding to the position of the bracket 2, and the electrophysiology catheter can be placed in the groove 11. In order to conveniently determine the arrangement position of the electrophysiological catheter, the base 1 is provided with the scales 16 corresponding to the arrangement direction of the copper columns 3, and the scales 16 are used as references, so that an operator can be assisted to quickly determine the arrangement position of the electrophysiological catheter, and the test can be conveniently repeated.
In order to avoid extra electromagnetic interference and improve the accuracy of the test result, the base 1 and the support 2 are made of insulating materials. In order to improve the stability of the base 1, the bottom surface of the base 1 is provided with a non-slip mat 12, and the non-slip mat 12 can be a rubber mat.
Example two:
the same features of this embodiment and the first embodiment are not described again, and the different features of this embodiment and the first embodiment are: as shown in fig. 4, in this embodiment, the bottom end of the copper pillar 3 is provided with a conductive pad 13. The conducting strip 13 is a sheet structure or a block structure made of conductors, and the conducting strip 13 forms a pressing plane with a certain area, so that the electrode on the electrophysiology catheter can be pressed more conveniently, and the contact between the bottom end of the copper column 3 and the electrode is more reliable.
Example three:
the same features of this embodiment and the first embodiment are not described again, and the different features of this embodiment and the first embodiment are: as shown in fig. 5, in the present embodiment, the bottom end of the copper pillar 3 is provided with an arc-shaped groove 14. Because the diameter of the electrophysiology catheter is very small, the embodiment has the problem that inconvenience is caused to a certain extent if the coverage of the conductive pressing sheet 13 is too large, the embodiment adopts the arc-shaped groove 14, the position of the electrophysiology catheter, which is provided with the electrode, is clamped in the arc-shaped groove 14, the shape of the arc-shaped groove 14 is adapted to the outer diameter of the electrophysiology catheter, and the use is more convenient.
Example four:
the same features of this embodiment and the first embodiment are not described again, and the different features of this embodiment and the first embodiment are: as shown in fig. 6, in the present embodiment, the bottom end of the copper pillar 3 is provided with a bent portion 15 bent to one side. Because the diameter of the electrophysiology catheter is very little, some electrophysiology catheters go up adjacent electrode distance very near, under the effect of insulating outer post 4, vertical copper post 3 probably leads to having the interference each other, is provided with the crooked part 15 of crooked to one side in the bottom of copper post 3, and crooked part 15 has compensated the distance that insulating outer post 4 led to, can avoid interfering convenient to use.
In the above embodiment, the positive electrode buckle 7 and the negative electrode buckle 8 can be switched with the positive output line 5 and the negative output line 6 through the cable joint 9, specifically, the positive electrode buckle 7 and the negative electrode buckle 8 are arranged on the cable joint 9, and the other end of the cable joint 9 is connected with the positive output line 5 and the negative output line 6. The cable joint with the electrode buckle is a product in the prior art and can be purchased from the market, the cable joint structurally comprises a positive electrode socket and a negative electrode socket which are arranged at one end of the joint, the positive electrode socket and the negative electrode socket are used for being plugged with a positive electrode cable (a positive electrode output line 5) and a negative electrode cable (a negative electrode output line 6), the other end of the joint is an output line, the tail end of the output line is divided into two branches, and the tail ends of the two branches are respectively provided with the positive electrode buckle and the negative electrode buckle. The structure enables the lines to be more clear and tidy, and mess is avoided.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (10)
1. A device for electromagnetic compatibility detection of an electrophysiological catheter is characterized by comprising a base and a support, wherein the support is mounted on the base, a plurality of copper columns are arranged on the support, the copper columns are movably mounted on the support, insulating outer columns are arranged on the outer sides of the copper columns, two ends of each copper column extend out of the corresponding insulating outer column, and the insulating outer columns and the copper columns can move up and down and be positioned on the support;
the copper post includes anodal copper post and negative pole copper post, the one end that the base was kept away from to anodal copper post is collected to an anodal output line on, the one end that the base was kept away from to the negative pole copper post is collected to a negative pole output line on, the end of anodal output line is provided with the anodal electrode and detains, the end of negative pole output line is provided with the negative electrode and detains.
2. The apparatus according to claim 1, wherein the positive electrode buckle and the negative electrode buckle are disposed on a cable connector, and the other end of the cable connector is connected to the positive output line and the negative output line.
3. The apparatus for electrophysiological catheter electromagnetic compatibility detection of claim 1, wherein the frame has a plurality of through holes formed therein, the outer insulative post extending through the through holes and being movable along an axis of the through holes; the insulating outer column is provided with external threads, two ends of the insulating outer column are respectively meshed with nuts, and the outer diameter of each nut is larger than the diameter of the through hole in the support.
4. The apparatus according to claim 1, wherein the upper surface of the base is provided with a groove corresponding to the position of the support.
5. The apparatus according to claim 1, wherein the base is provided with scales corresponding to the arrangement direction of the copper pillars.
6. The apparatus for the EMC testing of an electrophysiology catheter according to any one of claims 1-5, wherein the bottom end of the copper cylinder is provided with a conductive pad.
7. The apparatus for the EMC detection of an electrophysiology catheter according to any one of claims 1-5, wherein the bottom end of the copper cylinder is provided with an arc-shaped groove.
8. The apparatus for electro-magnetic compatibility testing of an electrophysiology catheter according to any one of claims 1-5, wherein the bottom end of the copper post is provided with a bend that curves to one side.
9. The apparatus according to any one of claims 1-5, wherein the base and the frame are made of an insulating material.
10. The device for the EMC detection of an EP catheter as claimed in any one of claims 1 to 5, wherein the bottom surface of the base is provided with a non-slip pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873772.1U CN215375499U (en) | 2021-04-26 | 2021-04-26 | Device for electromagnetic compatibility detection of electrophysiological catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873772.1U CN215375499U (en) | 2021-04-26 | 2021-04-26 | Device for electromagnetic compatibility detection of electrophysiological catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215375499U true CN215375499U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120873772.1U Expired - Fee Related CN215375499U (en) | 2021-04-26 | 2021-04-26 | Device for electromagnetic compatibility detection of electrophysiological catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215375499U (en) |
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2021
- 2021-04-26 CN CN202120873772.1U patent/CN215375499U/en not_active Expired - Fee Related
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Granted publication date: 20211231 |