CN112022327A - Plasma electrode and plasma apparatus - Google Patents
Plasma electrode and plasma apparatus Download PDFInfo
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- CN112022327A CN112022327A CN202011022476.7A CN202011022476A CN112022327A CN 112022327 A CN112022327 A CN 112022327A CN 202011022476 A CN202011022476 A CN 202011022476A CN 112022327 A CN112022327 A CN 112022327A
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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- 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
- A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
-
- 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
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
- A61B2018/00958—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device for switching between different working modes of the main function
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- Surgery (AREA)
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- Biomedical Technology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The invention provides a plasma electrode which comprises a shell, an insulating sleeve, a function selection unit, a fixed contact part, a sliding contact part, an electrode tip, a suction hole, an inner suction pipe and an inner connection structure. Among the plasma electrode, insulation support with casing sliding connection, and part or all are located in the casing, the electrode tip set up in insulation support outwards the outer one end of casing, and with sliding contact portion electricity is connected to can adjust the length of electrode, satisfy the demand of different state of an illness, the function selection unit set up in the outside of casing for carry out the function selection, be convenient for control through the hand, need not foot switch, thereby reduced the operation degree of difficulty. The invention also provides plasma equipment.
Description
Technical Field
The invention relates to the technical field of plasma electrodes, in particular to a plasma electrode and plasma equipment.
Background
The plasma radio frequency is characterized in that the electrolyte between the radio frequency electrode tip and the tissue is converted into a plasma film by utilizing energy generated by a double electrode, charged particles in the plasma are accelerated by an electric field and then transferred to the tissue, molecular bonds forming cells in the target tissue are dissociated, the cells in the target tissue are disintegrated in molecular units and decomposed into carbohydrates and oxides, tissue coagulative necrosis is caused, and necrotic tissues are shed or scar contraction is generated, so that the effect of tissue cutting is formed. Compared with the traditional radio frequency, the plasma can carry out operations such as cutting, ablation and the like on tissues at a lower radio frequency (110KHz) and a lower temperature (40-70 ℃).
However, the electrode length of the plasma electrode in the prior art can not be adjusted, the use is inconvenient, and the requirements of different diseases can not be met. And the existing plasma electrode is controlled by a foot switch, so that the operation difficulty is higher.
The Chinese patent with the publication number of CN106580467B discloses a low-temperature plasma scalpel with an integrated three-dimensional electrode, which comprises a tool bit handle with a through hole arranged inside, a steel pipe connected with the front end of the through hole of the tool bit handle and a ceramic head connected with the steel pipe; the side part of the ceramic head is provided with at least one perforation, an integrated three-dimensional electrode used for cutting, melting and solidifying tissues is inserted into the perforation, and the middle part of the ceramic head is provided with an absorption cavity used for absorbing the cut tissues. The low-temperature plasma scalpel provided by the invention can effectively avoid the problem of blockage of a plasma scalpel head in the practical application process, has no offset in the assembly of the ceramic head and the steel pipe, and can perfectly guide physiological saline to the integrated three-dimensional electrode on the ceramic head; the low-temperature plasma scalpel is simple in insulation treatment, easy to assemble and high in quality stability. The length of the scalpel in the patent of the invention can not be adjusted, the use is inconvenient, the requirements of different disease conditions can not be met, and the control switch is not arranged on the scalpel, namely an electrode, so that the operation difficulty is higher.
Therefore, there is a need to provide a novel plasma electrode and plasma apparatus to solve the above-mentioned problems in the prior art.
Disclosure of Invention
The invention aims to provide a plasma electrode and plasma equipment, which are convenient to control the functions of the electrode by hands and can adjust the length of the electrode so as to meet the requirements of different disease conditions.
To achieve the above object, the plasma electrode of the present invention comprises:
the shell is of a hollow structure;
the insulating sleeve is connected with the shell in a sliding mode and is partially or completely positioned in the shell;
the function selection unit is arranged on the outer side of the shell and used for selecting functions;
a fixed contact part disposed inside the housing and connected to the function selecting unit;
the sliding contact part is arranged at one end of the insulating sleeve facing the shell and is in sliding connection with the fixed contact part;
the electrode tip is arranged at one end, facing the outside of the shell, of the insulating sleeve and is electrically connected with the sliding contact part;
the suction hole is arranged on the electrode head;
the inner suction pipe is arranged inside the insulating sleeve, and one end of the inner suction pipe is communicated with the suction hole;
and the internal suction pipe is arranged in the shell and is communicated with the other end of the internal suction pipe all the time when the internal suction pipe moves.
The invention has the beneficial effects that: insulation support with casing sliding connection, and part or whole are located in the casing, the electrode tip set up in insulation support outwards the outer one end of casing, and with sliding contact portion electricity is connected to can adjust the length of electrode, satisfy the demand of different state of an illness, the function selection unit set up in the outside of casing for carry out the function selection, be convenient for control through the hand, need not foot switch, thereby reduced the operation degree of difficulty.
Preferably, the fixed contact portion includes a first fixed contact unit, a second fixed contact unit, a third fixed contact unit and a fourth fixed contact unit, and the first fixed contact unit, the second fixed contact unit, the third fixed contact unit and the fourth fixed contact unit are all fixed on the inner wall of the housing and surround the outside of the insulating sleeve.
Further preferably, one side of the first fixed contact unit, the second fixed contact unit, the third fixed contact unit, and the fourth fixed contact unit facing the insulating sleeve is a plane.
Further preferably, the insulating sleeve is parallel to a face of the first fixed contact unit facing the insulating sleeve, the insulating sleeve is parallel to a face of the second fixed contact unit facing the insulating sleeve, the insulating sleeve is parallel to a face of the third fixed contact unit facing the insulating sleeve, and the insulating sleeve is parallel to a face of the fourth fixed contact unit facing the insulating sleeve.
Further preferably, a distance from the insulating sleeve to the first fixed contact unit, a distance from the insulating sleeve to the second fixed contact unit, a distance from the insulating sleeve to the third fixed contact unit, and a distance from the insulating sleeve to the fourth fixed contact unit are all equal.
Further preferably, a surface of the first fixed contact unit facing the insulating sleeve is parallel to a surface of the third fixed contact unit facing the insulating sleeve, and a surface of the second fixed contact unit facing the insulating sleeve is parallel to a surface of the fourth fixed contact unit facing the insulating sleeve. The beneficial effects are that: facilitating a better sliding connection with the sliding contact portion.
Further preferably, a face of the first fixed contact unit facing the insulating sleeve is perpendicular to a face of the second fixed contact unit facing the insulating sleeve. The beneficial effects are that: it is convenient to be right the sliding contact portion fixes, need not extra fixed subassembly.
Further preferably, the sliding contact portion includes a first sliding contact unit, a second sliding contact unit, a third sliding contact unit, and a fourth sliding contact unit, the first sliding contact unit is slidably connected to the first fixed contact unit, the second sliding contact unit is slidably connected to the second fixed contact unit, the third sliding contact unit is slidably connected to the third fixed contact unit, and the fourth sliding contact unit is slidably connected to the fourth fixed contact unit. The beneficial effects are that: the sliding contact part is matched with the fixed contact part, so that corresponding current circulation is ensured.
Preferably, a sliding groove is formed in the shell, a sliding rod is arranged on the sliding contact portion, and the sliding rod extends to the outer side of the shell through the sliding groove and is used for sliding to drive the sliding contact portion and the insulating sleeve to move. The beneficial effects are that: the position of the insulating sleeve and the sliding contact portion is easily adjusted.
Preferably, the electrode tip includes a positive electrode, a negative electrode, and an insulating portion to which the positive electrode and the negative electrode are fixed. The beneficial effects are that: the positive electrode and the negative electrode are isolated by the insulating part, so that the direct contact is prevented from generating short circuit.
Further preferably, the surface area of the positive electrode drain is smaller than the surface area of the negative electrode drain. The beneficial effects are that: the positive electrode discharge is easily ensured.
Preferably, a temperature detection unit is provided in the electrode tip, and the temperature detection unit is connected to the sliding contact portion. The beneficial effects are that: the real-time detection of being convenient for the operating temperature of electrode tip reduces the risk.
Further preferably, the temperature detection unit is a thermocouple.
Preferably, the interconnection structure includes a fixed pipeline and a sealing portion, the sealing portion is disposed in the fixed pipeline, a through hole is formed in the sealing portion, and the inner suction pipe is inserted into the through hole and slidably connected to the sealing portion.
Preferably, the interconnecting structure is a bellows.
Preferably, the plasma electrode further comprises an outer suction tube for communicating the inner connection structure and the suction device.
Further preferably, a flow control valve is arranged on the outer suction pipe and used for adjusting the flow of the suction pipe. The beneficial effects are that: the flow of the suction pipe is adjusted to avoid excessive suction.
Preferably, the plasma electrode further includes a cable connected with the function selecting unit.
The present invention also provides a plasma apparatus comprising:
a plasma electrode;
and the plasma generator is connected with the plasma electrode.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an electrode head of the present invention;
FIG. 3 is a schematic cross-sectional view of the housing of the present invention;
fig. 4 is a schematic structural view of the fixed contact portion and the sliding contact portion of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
In view of the problems of the prior art, an embodiment of the present invention provides a plasma electrode, and referring to fig. 1 to 4, the plasma electrode 10 includes a housing 101, an insulating sleeve 102, a function selecting unit 103, a fixed contact portion 104, a sliding contact portion 105, an electrode tip 106, a suction hole 107, an inner suction tube 108, an inner connecting structure 109, an outer suction tube 110, and a cable 111.
Some embodiments also provide a plasma apparatus comprising the plasma electrode and a plasma generator, the plasma electrode being coupled to the plasma generator.
In some embodiments, the housing is a hollow structure; the insulating sleeve is connected with the shell in a sliding mode, and is partially or completely positioned in the shell; the function selection unit is arranged on the outer side of the shell and used for selecting functions; the fixed contact part is arranged in the shell and is connected with the function selection unit; the sliding contact part is arranged at one end of the insulating sleeve facing the shell and is in sliding connection with the fixed contact part; the electrode tip is arranged at one end of the insulating sleeve, which faces the outside of the shell, and is electrically connected with the sliding contact part; the suction holes are arranged on the electrode heads; the inner suction pipe is arranged inside the insulating sleeve, and one end of the inner suction pipe is communicated with the suction hole; the inner suction pipe is arranged in the shell and is used for being communicated with the other end of the inner suction pipe all the time when the inner suction pipe moves; the suction tube is used for communicating the interconnection structure with suction equipment, and the suction equipment sucks the conductive liquid by using negative pressure; the cable is used for connecting the function selection unit and the ionizer. Wherein, the suction device and the plasma generator are both in the prior art, and are not described in detail herein.
Referring to fig. 1, the housing 101 is cylindrical, the housing 101 is made of an insulating material, one end of the housing 101 is provided with a sliding hole (not shown), and the insulating sleeve 102 is cylindrical, passes through the sliding hole, and can slide in the sliding hole. Specifically, the housing 101 is made of a hard plastic material, such as Polyethylene (PE), polypropylene (PP), and the like.
Referring to fig. 1, the function selection unit 103 includes a first button 1031, a second button 1032, a third button 1033, and a circuit board (not labeled in the figure), the first button 1031 is used for selecting a cutting function, the second button 1032 is used for selecting a coagulation function, the third button 1033 is used for adjusting power, and a circuit of the circuit board is the same as a foot switch of a plasma electrode in the prior art, and is not described again. In some embodiments, the first button 1031, the second button 1032 and the third button 1033 may be replaced with corresponding knobs or touch switches.
Referring to fig. 3 and 4, the fixed contact part 104 includes a first fixed contact unit 1041, a second fixed contact unit 1042, a third fixed contact unit 1043, and a fourth fixed contact unit 1044, the first fixed contact unit 1041, the second fixed contact unit 1042, the third fixed contact unit 1043, and the fourth fixed contact unit 1044 are all fixed on the inner wall of the housing 101 and surround the outer side of the insulating sleeve 102, and one sides of the first fixed contact unit 1041, the second fixed contact unit 1042, the third fixed contact unit 1043, and the fourth fixed contact unit 1044 facing the insulating sleeve 102 are flat. The first fixed contact unit 1041 is connected to the positive electrode of the plasma generator (not shown in the figure) through the function selection unit 103, the second fixed contact unit 1042 is connected to the negative electrode of the plasma generator through the function selection unit 103, and both the third fixed contact unit 1043 and the fourth fixed contact unit 1044 are connected to the function selection unit 103, and respectively transmit the temperature signal detected by the temperature detection unit (not shown in the figure) to the function selection unit 103. Preferably, the first fixed contact unit 1041, the second fixed contact unit 1042, the third fixed contact unit 1043, and the fourth fixed contact unit 1044 are all rectangular flat plates having the same size.
In some embodiments, the circuit board is further provided with a temperature processing circuit for processing and displaying the temperature signal detected by the temperature detection unit.
Referring to fig. 4, the insulation sleeve 102 is parallel to the surface of the first fixed contact unit 1041 facing the insulation sleeve 102, the insulation sleeve 102 is parallel to the surface of the second fixed contact unit 1042 facing the insulation sleeve 102, the insulation sleeve 102 is parallel to the surface of the third fixed contact unit 1043 facing the insulation sleeve 102, and the insulation sleeve 102 is parallel to the surface of the fourth fixed contact unit 1044 facing the insulation sleeve 102.
Preferably, referring to fig. 4, a distance from the insulating sleeve 102 to the first fixed contact unit 1041, a distance from the insulating sleeve 102 to the second fixed contact unit 1042, a distance from the insulating sleeve 102 to the third fixed contact unit 1043, and a distance from the insulating sleeve 102 to the fourth fixed contact unit 1042 are all equal.
More preferably, referring to fig. 4, a surface of the first fixed contact unit 1041 facing the insulation sleeve 102 is parallel to a surface of the third fixed contact unit 1043 facing the insulation sleeve 102, and a surface of the second fixed contact unit 1042 facing the insulation sleeve 102 is parallel to a surface of the fourth fixed contact unit 1044 facing the insulation sleeve 102. Preferably, a surface of the first fixed contact unit 1041 facing the insulation sleeve 102 is perpendicular to a surface of the second fixed contact unit 1042 facing the insulation sleeve 102, a surface of the second fixed contact unit 1042 facing the insulation sleeve 102 is perpendicular to a surface of the third fixed contact unit 1043 facing the insulation sleeve 102, a surface of the third fixed contact unit 1043 facing the insulation sleeve 102 is perpendicular to a surface of the fourth fixed contact unit 1044 facing the insulation sleeve 102, and a surface of the fourth fixed contact unit 1044 facing the insulation sleeve 102 is perpendicular to a surface of the first fixed contact unit 1041 facing the insulation sleeve 102.
Referring to fig. 3 and 4, the sliding contact part 105 includes a first sliding contact unit 1051, a second sliding contact unit 1052, a third sliding contact unit 1053, and a fourth sliding contact unit 1054, the first sliding contact unit 1051 is slidably connected to the first fixed contact unit 1041, the second sliding contact unit 1052 is slidably connected to the second fixed contact unit 1042, the third sliding contact unit 1053 is slidably connected to the third fixed contact unit 1043, and the fourth sliding contact unit 1054 is slidably connected to the fourth fixed contact unit 1044.
Referring to fig. 4, the first sliding contact unit 1051, the second sliding contact unit 1052, the third sliding contact unit 1053 and the fourth sliding contact unit 1054 are fixed around the outside of the insulating sleeve 102, and the contact surface between the first sliding contact unit 1051 and the first fixed contact portion 1041 is a flat surface, the contact surface between the second sliding contact unit 1052 and the second fixed contact portion 1042 is a flat surface, the contact surface between the third sliding contact unit 1053 and the third fixed contact portion 1043 is a flat surface, and the contact surface between the fourth sliding contact unit 1054 and the fourth fixed contact portion 1044 is a flat surface.
In still other embodiments, the insulating sleeve is parallel to a face of the first fixed contact unit facing the insulating sleeve, the insulating sleeve is parallel to a face of the second fixed contact unit facing the insulating sleeve, the insulating sleeve is parallel to a face of the third fixed contact unit facing the insulating sleeve, and the insulating sleeve is parallel to a face of the fourth fixed contact unit facing the insulating sleeve. The distance from the insulating sleeve to the first fixed contact unit, the distance from the insulating sleeve to the second fixed contact unit, the distance from the insulating sleeve to the third fixed contact unit and the distance from the insulating sleeve to the fourth fixed contact unit are all unequal. The surface of the first fixed contact unit facing the insulating sleeve is parallel to the surface of the second fixed contact unit facing the insulating sleeve, the surface of the second fixed contact unit facing the insulating sleeve is parallel to the surface of the third fixed contact unit facing the insulating sleeve, and the surface of the third fixed contact unit facing the insulating sleeve is parallel to the surface of the fourth fixed contact unit facing the insulating sleeve. The sequencing sequence of the first fixed contact unit, the second fixed contact unit, the third fixed contact unit and the fourth fixed contact unit is not limited, and corresponding functions can be realized.
In some embodiments, the sliding contact portion further includes a first bending portion, a second bending portion and a third bending portion, the second sliding contact portion is connected to the first bending portion, the second sliding contact portion is connected to the second bending portion, and the fourth sliding contact portion is connected to the third bending portion. The first bending part, the second bending part and the third bending part are all bent plate-shaped structures, and the first bending part, the second bending part and the third bending part are different in size so as to form a wrapping structure, so that the second sliding contact part is in sliding connection with the second fixed contact part, the third sliding contact part is in sliding connection with the third fixed contact part, and the fourth sliding contact part is in sliding connection with the fourth fixed contact part. Preferably, the first bent portion, the second bent portion and the third bent portion are made of an insulating material.
In some embodiments, the material of the first fixed contact portion, the second fixed contact portion, the third fixed contact portion, and the fourth fixed contact portion is metal, specifically copper, which has strong corrosion resistance and improves the service life. The first sliding contact unit, the second sliding contact unit, the third sliding contact unit and be equipped with the insulating layer between the fourth sliding contact unit to prevent first sliding contact unit, the second sliding contact unit third sliding contact unit with produce the electricity between the fourth sliding contact unit and connect, first sliding contact unit the second sliding contact unit the third sliding contact unit with the material of fourth sliding contact unit is metal, specifically is copper, has very strong corrosion resistance, improves practical life.
In still other embodiments, a surface of the first fixed contact portion contacting the first sliding contact unit is made of a metal material, a surface of the second fixed contact portion contacting the second sliding contact unit is made of a metal material, a surface of the third fixed contact portion contacting the third sliding contact unit is made of a metal material, a surface of the fourth fixed contact portion contacting the fourth sliding contact unit is made of a metal material, and a specific position of the copper is high in corrosion resistance, so that the service life is prolonged, and other portions are made of an insulating material.
In some embodiments, at least one isolating layer is disposed on each of the first fixed contact portion and the second fixed contact portion to isolate the first fixed contact portion and the second fixed contact portion into mutually non-conductive portions, and each portion is connected to the function selecting unit through a different resistor, so as to achieve power adjustment during pushing of the insulating sleeve.
Referring to fig. 1, a sliding groove 1012 is formed on the housing 101, a sliding rod 1055 is formed on the sliding contact portion 105, and the sliding rod 1055 extends to the outside of the housing 101 through the sliding groove 1012 and is used for sliding the sliding rod 1055 to drive the sliding contact portion 105 and the insulating sleeve 102 to move.
Referring to fig. 2 and 4, the electrode head 106 includes a positive electrode 1061, a negative electrode 1062, and an insulating portion 1063, wherein the negative electrode 1062 is a hollow cylinder with one sealed end, the insulating portion 1063 is arc-shaped and covers the sealed end of the negative electrode 1062, and the positive electrode 1061 is an oval flat plate and is disposed on the insulating portion 1063. The positive electrode 1061 is connected to the first sliding contact unit 1051 through a first conductive metal (not shown), and the negative electrode 1062 is connected to the second sliding contact unit 1052 through a second conductive metal (not shown). Preferably, the material of the positive electrode 1061 and the negative electrode 1062 is a metal material, such as tungsten, molybdenum, titanium, or stainless steel, the material of the insulating part 1063 is zirconia or alumina, the surface area of the leakage of the positive electrode 1061 is smaller than the surface area of the leakage of the negative electrode 1062, and the suction holes 107 are disposed on the positive electrode.
In some preferred embodiments, a temperature detection unit is provided in the electrode tip, and the temperature detection unit is connected to the sliding contact portion. Specifically, the temperature detection unit is arranged in the insulating part, the temperature detection unit is connected with the third sliding contact unit through a third conductive metal, and the temperature detection unit is further connected with the fourth sliding contact unit through a fourth conductive metal. More specifically, the temperature sensing unit is a thermocouple, such as a T-type thermocouple or a K-type thermocouple.
In some embodiments, the first conductive metal, the second conductive metal, the third conductive metal, and the fourth conductive metal are disposed along the insulating sleeve, may be embedded in the insulating sleeve, and may be disposed along an outer surface or an inner surface of the insulating sleeve. Preferably, the first conductive metal, the second conductive metal, the third conductive metal and the fourth conductive metal are all provided with insulating layers outside to avoid accidental conduction.
Referring to fig. 3, the interconnecting structure 109 includes a fixed pipe 1091 and a sealing portion 1092, the sealing portion 1092 is disposed in the fixed pipe 1091, a through hole (not shown) is formed in the sealing portion 1092, and the inner suction pipe 108 is inserted into the through hole and slidably connected to the sealing portion 1092. Part of the outer side of the sealing portion 1092 is tightly attached to the inner wall of the fixed pipe 1091, the tightly attached portion surrounds the fixed pipe 1091 for a circle, the shape of the through hole is the same as that of the inner suction pipe 108, and the through hole can be filled with the inner suction pipe 108. Specifically, the sealing portion 1092 is a two-way sealing ring or a one-way sealing ring. Specifically, the fixing tube 1091 is made of a hard plastic material, such as Polyethylene (PE), polypropylene (PP), or the like.
In still other embodiments, the interconnecting structure is a bellows.
Referring to fig. 1, a flow valve 1101 is disposed on the outer suction pipe 110 and is used for adjusting the flow of the outer suction pipe 110.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (19)
1. A plasma electrode, comprising:
the shell is of a hollow structure;
the insulating sleeve is connected with the shell in a sliding mode and is partially or completely positioned in the shell;
the function selection unit is arranged on the outer side of the shell and used for selecting functions;
a fixed contact part disposed inside the housing and connected to the function selecting unit;
the sliding contact part is arranged at one end of the insulating sleeve facing the shell and is in sliding connection with the fixed contact part;
the electrode tip is arranged at one end, facing the outside of the shell, of the insulating sleeve and is electrically connected with the sliding contact part;
the suction hole is arranged on the electrode head;
the inner suction pipe is arranged inside the insulating sleeve, and one end of the inner suction pipe is communicated with the suction hole;
and the internal suction pipe is arranged in the shell and is communicated with the other end of the internal suction pipe all the time when the internal suction pipe moves.
2. The plasma electrode of claim 1, wherein the fixed contact portion comprises a first fixed contact unit, a second fixed contact unit, a third fixed contact unit, and a fourth fixed contact unit, and the first fixed contact unit, the second fixed contact unit, the third fixed contact unit, and the fourth fixed contact unit are all fixed on an inner wall of the housing and surround an outer side of the insulating sleeve.
3. The plasma electrode according to claim 2, wherein a side of the first fixed contact unit, the second fixed contact unit, the third fixed contact unit, and the fourth fixed contact unit facing the insulating sleeve is a plane.
4. The plasma electrode of claim 3, wherein the insulating sleeve is parallel to a face of the first stationary contact unit facing the insulating sleeve, the insulating sleeve is parallel to a face of the second stationary contact unit facing the insulating sleeve, the insulating sleeve is parallel to a face of the third stationary contact unit facing the insulating sleeve, and the insulating sleeve is parallel to a face of the fourth stationary contact unit facing the insulating sleeve.
5. The plasma electrode of claim 4, wherein a distance from the insulating sleeve to the first fixed contact unit, a distance from the insulating sleeve to the second fixed contact unit, a distance from the insulating sleeve to the third fixed contact unit, and a distance from the insulating sleeve to the fourth fixed contact unit are all equal.
6. The plasma electrode of claim 5, wherein a face of the first fixed contact unit facing the insulating sleeve is parallel to a face of the third fixed contact unit facing the insulating sleeve, and a face of the second fixed contact unit facing the insulating sleeve is parallel to a face of the fourth fixed contact unit facing the insulating sleeve.
7. The plasma electrode of claim 6, wherein a face of the first fixed contact unit facing the insulating sleeve is perpendicular to a face of the second fixed contact unit facing the insulating sleeve.
8. The plasma electrode according to claim 2, wherein the sliding contact portion includes a first sliding contact unit, a second sliding contact unit, a third sliding contact unit, and a fourth sliding contact unit, the first sliding contact unit being slidably connected to the first fixed contact unit, the second sliding contact unit being slidably connected to the second fixed contact unit, the third sliding contact unit being slidably connected to the third fixed contact unit, and the fourth sliding contact unit being slidably connected to the fourth fixed contact unit.
9. The plasma electrode according to claim 1, wherein a sliding groove is formed on the housing, and a sliding rod is disposed on the sliding contact portion and extends to an outer side of the housing through the sliding groove for sliding the sliding rod to move the sliding contact portion and the insulating sleeve.
10. The plasma electrode of claim 1, wherein the electrode tip includes a positive electrode, a negative electrode, and an insulating portion, the positive and negative electrodes being secured to the insulating portion.
11. The plasma electrode of claim 10, wherein a surface area of the positive electrode drain is less than a surface area of the negative electrode drain.
12. The plasma electrode according to claim 1, wherein a temperature detection unit is provided in the electrode tip, and the temperature detection unit is connected to the sliding contact portion.
13. The plasma electrode of claim 12, wherein the temperature detection unit is a thermocouple.
14. The plasma electrode of claim 1, wherein the interconnecting structure comprises a fixed conduit and a sealing portion, the sealing portion is disposed in the fixed conduit, and a through hole is formed on the sealing portion, and the inner suction tube is inserted into the through hole and slidably connected to the sealing portion.
15. The plasma electrode of claim 1, wherein the interconnecting structure is a bellows.
16. The plasma electrode of claim 1, further comprising an outer draw tube for communicating the inner interconnect structure and a draw device.
17. The plasma electrode of claim 16, wherein the outer aspiration tube has a flow control valve thereon for regulating the flow of the aspiration tube.
18. The plasma electrode of claim 1, further comprising a cable connected to the function selection unit.
19. A plasma apparatus, comprising:
the plasma electrode of any of claims 1 to 18;
and the plasma generator is connected with the plasma electrode.
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| CN202011022476.7A CN112022327A (en) | 2020-09-25 | 2020-09-25 | Plasma electrode and plasma apparatus |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103536351A (en) * | 2013-10-25 | 2014-01-29 | 方润医疗器械科技（上海）有限公司 | Low-temperature plasma electrode device for otorhinolaryngology department |
| WO2017041687A1 (en) * | 2015-09-08 | 2017-03-16 | 思澜科技（成都）有限公司 | Probe pen for biological impedance measurement |
| CN209751211U (en) * | 2019-03-05 | 2019-12-10 | 贵州省骨科医院 | Osteosarcoma thermal ablation needle knife |
| CN209826965U (en) * | 2019-04-09 | 2019-12-24 | 唐山天恩科技有限公司 | Multifunctional low-temperature plasma operation electrode |
| CN212438819U (en) * | 2020-09-25 | 2021-02-02 | 上海意昕医疗科技有限公司 | Plasma electrode and plasma apparatus |
-
2020
- 2020-09-25 CN CN202011022476.7A patent/CN112022327A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103536351A (en) * | 2013-10-25 | 2014-01-29 | 方润医疗器械科技（上海）有限公司 | Low-temperature plasma electrode device for otorhinolaryngology department |
| WO2017041687A1 (en) * | 2015-09-08 | 2017-03-16 | 思澜科技（成都）有限公司 | Probe pen for biological impedance measurement |
| CN209751211U (en) * | 2019-03-05 | 2019-12-10 | 贵州省骨科医院 | Osteosarcoma thermal ablation needle knife |
| CN209826965U (en) * | 2019-04-09 | 2019-12-24 | 唐山天恩科技有限公司 | Multifunctional low-temperature plasma operation electrode |
| CN212438819U (en) * | 2020-09-25 | 2021-02-02 | 上海意昕医疗科技有限公司 | Plasma electrode and plasma apparatus |
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