CN112206049A - A neutral electrode with fully equipotential structure - Google Patents
A neutral electrode with fully equipotential structure Download PDFInfo
- Publication number
- CN112206049A CN112206049A CN202011046042.0A CN202011046042A CN112206049A CN 112206049 A CN112206049 A CN 112206049A CN 202011046042 A CN202011046042 A CN 202011046042A CN 112206049 A CN112206049 A CN 112206049A
- Authority
- CN
- China
- Prior art keywords
- electrode
- electrode plate
- plate
- neutral
- equipotential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007935 neutral effect Effects 0.000 title claims abstract description 49
- 239000004020 conductor Substances 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000010992 reflux Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002003 electrode paste Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
本发明公开了一种具有完全等势结构的中性电极，涉及医疗设备技术领域，具体包括底板，所述底板的一侧表面设置有导电组件，所述导电组件包括结构相同的第一电极板和第二电极板，所述第一电极板与所述第二电极板呈半圆形，且以所述第一电极板或第二电极板的直线边为轴对称设置，所述导电组件的外圈设置有圆形的等势环，所述等势环的圆心与所述导电组件的中心点重合，所述等势环与所述导电组件之间有间隙；该中性电极通过对称设置半圆形的第一电极板与第二电极板，且在导电组件外圈设置等势环，能很好地解决两个电极板之间电流不均的隐患的问题，而且对中性电极贴的方向和手术电极的位置没有任何要求，无论如何贴中性电极输出电流都是恒定的。
The invention discloses a neutral electrode with a completely equipotential structure, which relates to the technical field of medical equipment, and specifically includes a bottom plate, a conductive component is provided on one side surface of the bottom plate, and the conductive component includes a first electrode plate with the same structure and the second electrode plate, the first electrode plate and the second electrode plate are semicircular, and are arranged symmetrically with the straight edge of the first electrode plate or the second electrode plate as the axis. The outer ring is provided with a circular equipotential ring, the center of the equipotential ring coincides with the center point of the conductive component, and there is a gap between the equipotential ring and the conductive component; the neutral electrode is symmetrically arranged The semicircular first electrode plate and the second electrode plate, and the equipotential ring is set on the outer ring of the conductive component, which can well solve the hidden problem of uneven current between the two electrode plates, and stick to the neutral electrode. There is no requirement for the direction and position of the surgical electrode, and the output current is constant no matter how the neutral electrode is attached.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a neutral electrode with a complete equipotential structure.
Background
The neutral electrode is a component that must be used in a monopolar mode of an electrosurgical instrument, for example, in a monopolar mode of a high-frequency electric knife that cuts coagulation by the thermal effect of a high-density current that flows back through the human body through the neutral electrode forming a path, the neutral electrode does not burn the skin by the thermal effect due to a small current density that flows back because of a large contact area. However, the neutral electrode is not firmly adhered to the body, so that the neutral electrode is warped, and the surface of the neutral electrode is not flat, so that the reflux area of the neutral electrode is affected, and the skin can be burned due to high reflux current density.
The neutral electrode at present is generally constructed as shown in fig. 1, and the main working part is two conductive plates, and two leads are respectively connected to the two plates. When the device works, high-frequency current flows back through the two polar plates after passing through a human body to form a passage. When the operation electrode is not positioned in the middle of the two polar plates, the reflux currents of the two polar plates can generate uneven phenomenon. Fig. 2 and 3 show the analysis results of the surgical electrode at different positions relative to the neutral electrode, and it is understood from < field strength = potential difference/distance >, that the closer the distance between the two equipotential lines (i.e. the denser the equipotential lines) the greater the field strength, and from < current density = field strength × conductivity >, that the direction of the current is perpendicular to the equipotential lines and the current density is positively correlated with the equipotential line density in the same medium. As a result, the electrode plate return current near the surgical electrode is larger, and the electric charge is more likely to be concentrated at the corners. Such security is hidden from the risk of burning the patient.
According to the analysis result, the traditional neutral electrode may have uneven return current between two electrode plates, and the problem of potential safety hazard caused by the concentration of charges at the corners, etc.
In the prior art, chinese patent application publication No. CN1925807A, published as 2007.03.07, solves the problem of possible uneven backflow current between two electrode plates, and mainly includes an unsealed equipotential ring, but the opening of the equipotential ring cannot be made equipotential inevitably instead of the sealed equipotential ring, so that the backflow current between the two electrode plates cannot be made completely balanced. The relative position of the neutral electrode and the surgical electrode in this configuration also affects performance. The analysis results are shown in FIG. 4.
Disclosure of Invention
In order to solve the problems that backflow current between two polar plates of the existing neutral electrode is uneven, and potential safety hazards are possibly caused by charge concentration at corners, the invention provides the neutral electrode which has a complete equipotential structure and does not have the potential safety hazards.
In order to achieve the purpose, the invention provides the technical scheme that: the utility model provides a neutral electrode with complete equipotential structure, includes the bottom plate, a side surface of bottom plate is provided with conductive component, conductive component includes the same first electrode board of structure and second electrode board, first electrode board with second electrode board semicircular in shape, and with the straight line limit of first electrode board or second electrode board sets up for the axial symmetry, conductive component's outer lane is provided with the circular shape equipotential ring, the centre of a circle of equipotential ring with conductive component's central point coincidence, the equipotential ring with it is gapped between the conductive component.
Optionally, one side of the first electrode plate, which is close to the bottom plate, is connected with a first lead, one end of the first lead is connected with the first electrode plate, and the other end of the first lead penetrates through the bottom plate and is connected with a power supply.
Optionally, one side of the second electrode plate close to the bottom plate is connected with a second wire, one end of the second wire is connected with the second electrode plate, and the other end of the second wire penetrates through the bottom plate and is connected with a power supply.
Optionally, a gap is formed between the first electrode plate and the second electrode plate. And a gap is arranged between the first electrode plate and the second electrode plate or an insulator is arranged between the first electrode plate and the second electrode plate, and if the first electrode plate and the second electrode plate are lapped, a single-electrode neutral electrode is formed.
Optionally, the bottom plate is circular, and the diameter of the bottom plate is larger than that of the equipotential ring.
Optionally, the center of the bottom plate coincides with the center of the equipotential ring.
Optionally, the base plate is made of an insulating material.
Optionally, the equipotential ring is made of a good conductor material.
Compared with the prior art, the invention has the beneficial effects that: the neutral electrode is provided with the first electrode plate and the second electrode plate which are semicircular in symmetry, and the equipotential ring is arranged on the outer ring of the conductive assembly, so that the problem of hidden danger of uneven current between the two electrode plates can be well solved, no requirement is required on the direction of the neutral electrode paste and the position of the operation electrode, and the output current of the neutral electrode paste is constant no matter how the neutral electrode paste is. In addition, the circular design has no obvious inflection point, and no charge accumulation exists, so that the neutral electrode is safer, and the potential safety hazard of the traditional neutral electrode is eliminated.
Drawings
FIG. 1 is a block diagram of a prior art neutral electrode;
FIGS. 2-4 are contour plots of prior art neutral electrodes during use;
FIG. 5 is a top view of a neutral electrode of the present invention;
FIG. 6 is a side view of a neutral electrode of the present invention;
FIG. 7 is a contour plot of the neutral electrode of the present invention during use;
in the figure, 10-base plate; 20-a conductive component; 201-a first electrode plate; 202-a second electrode plate; 30-equipotential rings; 401 — a first wire; 402-second conductive line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
Referring to fig. 5, the present embodiment provides a neutral electrode having a complete equipotential structure, including a base plate 10, and in the present embodiment, the base plate 10 is made of an insulating material, which can effectively perform a role of insulation, and it should be understood that the insulating material includes, but is not limited to, rubber, resin, ceramic, mica, asbestos, marble, and the like.
The conductive assembly 20 is disposed on a side surface of the base plate 10, the conductive assembly 20 includes a first electrode plate 201 and a second electrode plate 202 having the same structure, and the first electrode plate 201 and the second electrode plate 202 are semicircular and are disposed axially symmetrically with respect to a straight edge of the first electrode plate 201 or the second electrode plate 202. The round conductive component or the similar round conductive component enables the whole conductive area to have no inflection point or the inflection point to be very smooth and excessive, and can eliminate charge accumulation at the inflection point, so that the neutral electrode is safer, and potential safety hazards of the traditional neutral electrode are eliminated.
In general, a gap is formed between the first electrode plate 201 and the second electrode plate 202 to perform the isolation function, but if the gap between the first electrode plate 201 and the second electrode plate 202 is designed to save space or improve safety performance, an insulator may be disposed in the gap between the first electrode plate 201 and the second electrode plate 202, and the first electrode plate 201 and the second electrode plate 202 are attached to the insulator, so that space can be saved, the isolation in the validity period can be performed, and the safety performance can be improved.
It should be noted that, in the present embodiment, the first electrode plate 201 and the second electrode plate 202 are made of good conductors, and it should be understood that the good conductors in the present application refer to conductors with good electrical conductivity, including but not limited to metals such as aluminum foil.
A circular equipotential ring 30 is disposed on the outer ring of the conductive member 20, the center of the equipotential ring 30 coincides with the center point of the conductive member 20, and a gap is formed between the equipotential ring 30 and the conductive member 20. The equipotential ring 30 can balance the potential between the first electrode plate 201 and the second electrode plate 202, reducing the risk.
It should be noted that, in the present embodiment, the equipotential ring 30 is made of a good conductor, and it should be understood that the good conductor in the present application refers to a conductor with good electrical conductivity, including but not limited to a metal such as aluminum foil.
Referring to fig. 6, a first lead 401 is connected to one side of the first electrode plate 201 close to the bottom plate 10, one end of the first lead 401 is connected to the first electrode plate 201, and the other end passes through the bottom plate 10 and is connected to a power supply.
Similarly, a second conducting wire 402 is connected to a side of the second electrode plate 202 close to the bottom plate 10, one end of the second conducting wire 402 is connected to the second electrode plate 202, and the other end passes through the bottom plate 10 and is connected to a power supply.
The first conducting wire 401 and the second conducting wire 402 pass through the bottom plate 10 to be connected with a power supply, so that the normal work of the first electrode 201 and the second electrode 202 is not influenced, the integral structure of the conducting component 20 on the other side of the bottom plate 10 is not damaged, the conducting component is in a closed structure, and the safety of the neutral electrode is improved.
In some embodiments, the base plate 10 is circular and has a diameter greater than the diameter of the equipotential ring 30. In addition, the center of the bottom plate 10 coincides with the center of the equipotential ring 30, so that the space of the bottom plate 10 can be maximally utilized.
In addition, the front surface of the neutral electrode, i.e. the surface of the conductive element 20 and the bottom plate 10, is coated with adhesive hydrogel having conductivity similar to that of the human body, and the neutral electrode is attached to the human body by the adhesion of the hydrogel during operation.
In addition, referring to fig. 7 and 8, fig. 7 and 8 correspond to different relative positions between the surgical electrodes, respectively, and it is obvious that equipotential lines between the closed potential ring and the two electrode plates are very uniform and neat, so that the current between the potential ring and the electrode plates is also very stable and uniform and is not influenced by the relative positions between the potential ring and the surgical electrodes.
And it can be seen from fig. 7 and 8 that, when the neutral electrode in this embodiment works, no matter where the surgical electrode is located, because the closed equipotential ring is a good conductor, the overall potential is the same, and the potential difference between the equipotential ring and the two electrode plates is uniform, the reflux current is uniform, and the two electrode plates do not have the higher reflux current and the lower reflux current. And the round design has no abrupt inflection point, and no charge concentration point, thereby eliminating the potential safety hazard of the traditional neutral electrode. Specifically, the left side of FIG. 1 is labeled A, the bottom plate, and the right side is labeled B: an electrode plate; the left arrow in fig. 3 represents a small return current, and the right arrow represents a large return current.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046042.0A CN112206049A (en) | 2020-09-29 | 2020-09-29 | A neutral electrode with fully equipotential structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046042.0A CN112206049A (en) | 2020-09-29 | 2020-09-29 | A neutral electrode with fully equipotential structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112206049A true CN112206049A (en) | 2021-01-12 |
Family
ID=74051353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011046042.0A Pending CN112206049A (en) | 2020-09-29 | 2020-09-29 | A neutral electrode with fully equipotential structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112206049A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216001A (en) * | 1996-04-04 | 1999-05-05 | 美国3M公司 | Biomedical electrode with lossy dielectric properties |
| CN1353592A (en) * | 1999-04-29 | 2002-06-12 | 雷昂哈德朗两合公司 | Medical electrode |
| US20060074411A1 (en) * | 2004-10-05 | 2006-04-06 | Granite Advisory Services | Biomedical dispersive electrode |
| CN1925807A (en) * | 2004-03-05 | 2007-03-07 | 爱尔伯电子医疗设备公司 | Neutral electrode for HF surgery |
| CN105358213A (en) * | 2013-06-04 | 2016-02-24 | 雅芒股份有限公司 | High Frequency Beauty Treatment Device |
| CN105832402A (en) * | 2011-06-20 | 2016-08-10 | 厄比电子医学有限责任公司 | Method for the control of a medical device as a function of neutral electrode impedance |
| CN110186366A (en) * | 2019-06-11 | 2019-08-30 | 中国科学技术大学 | A kind of conductive film and preparation method thereof |
| CN213963616U (en) * | 2020-09-29 | 2021-08-17 | 湖南菁益医疗科技有限公司 | Neutral electrode with complete equipotential structure |
-
2020
- 2020-09-29 CN CN202011046042.0A patent/CN112206049A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216001A (en) * | 1996-04-04 | 1999-05-05 | 美国3M公司 | Biomedical electrode with lossy dielectric properties |
| CN1353592A (en) * | 1999-04-29 | 2002-06-12 | 雷昂哈德朗两合公司 | Medical electrode |
| CN1925807A (en) * | 2004-03-05 | 2007-03-07 | 爱尔伯电子医疗设备公司 | Neutral electrode for HF surgery |
| US20060074411A1 (en) * | 2004-10-05 | 2006-04-06 | Granite Advisory Services | Biomedical dispersive electrode |
| CN105832402A (en) * | 2011-06-20 | 2016-08-10 | 厄比电子医学有限责任公司 | Method for the control of a medical device as a function of neutral electrode impedance |
| CN105358213A (en) * | 2013-06-04 | 2016-02-24 | 雅芒股份有限公司 | High Frequency Beauty Treatment Device |
| CN110186366A (en) * | 2019-06-11 | 2019-08-30 | 中国科学技术大学 | A kind of conductive film and preparation method thereof |
| CN213963616U (en) * | 2020-09-29 | 2021-08-17 | 湖南菁益医疗科技有限公司 | Neutral electrode with complete equipotential structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7771419B2 (en) | Biomedical dispersive electrode | |
| US4161950A (en) | Electrosurgical knife | |
| US11957401B2 (en) | Electrosurgical instrument | |
| US10716616B2 (en) | Method of manufacturing tissue sealing electrodes | |
| US9757185B2 (en) | Quadripolar forceps | |
| EP2316368A3 (en) | Electrosurgical system with uniformly enhanced electric field and minimal collateral damage | |
| EP0148250A1 (en) | Electro cautery surgical blade | |
| CN207870954U (en) | Bipolar coagulation forceps | |
| CN213963616U (en) | Neutral electrode with complete equipotential structure | |
| US11051869B2 (en) | Electrosurgical system for tissue cauterization | |
| EP3839504A3 (en) | Sensor | |
| CN112206049A (en) | A neutral electrode with fully equipotential structure | |
| Li et al. | Polarity effect of impulse conditioning characteristics under a uniform electric field in vacuum | |
| CN221637135U (en) | Electrode structure, treatment head and radio frequency therapeutic instrument | |
| CN203838188U (en) | 8.4-wire self-cooling multi-function measuring fixture | |
| US20220226037A1 (en) | Electrosurgical Electrode and Electrosurgical Tool for Conveying Electrical Energy | |
| CN204600862U (en) | Electrode heat patch | |
| US20220241004A1 (en) | Electrosurgical Electrodes, Electrosurgical Tools, and Methods of Making Electrosurgical Electrodes | |
| KR20190126269A (en) | Apparatus for Generating High-Frequency Deep-heating Using the Same | |
| CN114209418B (en) | Neutral electrode for inductive homogenization current | |
| CN215387023U (en) | An acupoint electrode sheet for electroacupuncture stimulation | |
| Malyško et al. | Measurement and Evaluation of Electric Pulse Parameters to Improve Efficacy of Electrochemotherapy | |
| CN119113401A (en) | Electrode structure, treatment head and radiofrequency treatment device | |
| CN205108743U (en) | Handle of defibrillating | |
| CN205083607U (en) | A kind of laparoscopic operation separating forceps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |