CN117426867A - Low-temperature plasma operation electrode - Google Patents
Low-temperature plasma operation electrode Download PDFInfo
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- CN117426867A CN117426867A CN202311374081.7A CN202311374081A CN117426867A CN 117426867 A CN117426867 A CN 117426867A CN 202311374081 A CN202311374081 A CN 202311374081A CN 117426867 A CN117426867 A CN 117426867A
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- conductive block
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000003902 lesion Effects 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 28
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 229910052786 argon Inorganic materials 0.000 description 6
- 229910052724 xenon Inorganic materials 0.000 description 6
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 6
- 238000001356 surgical procedure Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
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- 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
The invention provides a low-temperature plasma operation electrode, which comprises an electrode sleeve, wherein rotating assemblies for driving a working electrode to rotate in any direction are arranged on two sides of the electrode sleeve, each rotating assembly comprises a front turntable, a rear turntable and a rotating handle, a slotted hole is formed in the electrode sleeve, a first insulating sleeve is movably arranged in the slotted hole, a cable is fixedly arranged in the first insulating sleeve, and a front end conductor of the cable is connected with the tail end of the working electrode in a pressing mode through the first metal sleeve. According to the invention, the working electrode can be driven to rotate in any direction through the rotating assembly, on one hand, when the probe locates the position of a patient, the working electrode can be moved to the patient by singly and rapidly driving the rotating handle, so that the treatment efficiency is improved, and the operation time is reduced; on the other hand, the working electrode is rotated, so that the local heat of an affected part is prevented from being too high, the heat is uniformly distributed on the surface of the affected part, a wider treatment area can be covered, and the frequency of moving the working electrode is reduced.
Description
Technical Field
The invention relates to the technical field of surgical electrodes, in particular to a low-temperature plasma surgical electrode.
Background
Surgical treatments are now performed clinically on a large scale using electrosurgical devices, including high frequency scalpels, radio frequency scalpels, and ion scalpels. The high-frequency surgical knife adopts thicker electrodes because the surgical electrodes are extremely hot and too thin or too thin, and the mechanical strength of the high-frequency surgical knife is insufficient to support the completion of the surgery, and the thicker electrodes can cause wider incisions for cutting human tissues, and the high-frequency surgical knife has high temperature and great thermal damage to peripheral tissues, so that the high-frequency surgical knife is not suitable for the requirements of the fine surgery. The low-temperature plasma surgical knife adopts a low-temperature ablation technology, and utilizes the high energy characteristic of a 100KHz radio-frequency electric field to form a plasma thin layer between the electrode and the tissue, wherein ions in the thin layer are accelerated by the electric field to transfer energy to the tissue and open intercellular molecular bonding bonds at a low temperature (40-70 ℃), so that the tissue is resected, ablated and hemostatic, the damage of the tissue and the pain of a patient are greatly reduced, and the recovery period is shortened.
Among the prior art, there is a low temperature plasma operation electrode of application publication number CN108013931A, this electrode includes coaxial inner electrode that sets up, inner electrode insulating sleeve, outer electrode and outer electrode insulating sleeve, inner electrode overcoat is established inner electrode insulating sleeve, set up inner electrode and inner electrode insulating sleeve in the outer electrode, outer electrode overcoat is established outer electrode insulating sleeve, inner electrode insulating sleeve, outer electrode and outer electrode insulating sleeve front end length shorten in proper order, inner electrode tail end connection cable front end conductor, outer electrode front end is equipped with the delivery port, outer electrode tail end is equipped with the water inlet, be equipped with the feed liquor passageway in the outer electrode, feed liquor passageway tail end is sealed, low temperature plasma operation electrode is bipolar electrode, can reduce the electric current that flows through the human body, the heat injury is little and the security is high.
But there are also the following disadvantages: as can be seen from the above statement, for the affected part of the human body, since the electrode is externally provided with the inner electrode insulating sleeve, the outer electrode is sleeved outside the inner electrode insulating sleeve, and the outer electrode is sleeved outside the outer electrode insulating sleeve, the positions of the inner electrode and the outer electrode are fixed, on one hand, the inner electrode cannot move radially independently, and when the probe is positioned at the affected part, the inner electrode can be moved only by moving the whole body, and the whole body cannot move because the space of the treated area is limited; on the other hand, the internal electrode is fixed in the position of the region of the affected part, so that the local heat of the affected part is easily overhigh.
Disclosure of Invention
The invention aims to provide a low-temperature plasma operation electrode which not only can independently and rapidly move a working electrode to a patient, improves treatment efficiency, but also can avoid overhigh local heat of the patient and uniformly distribute the local heat to the surface of the patient so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a low temperature plasma operation electrode, includes the electrode sleeve, the both sides of electrode sleeve are provided with the rotating assembly who is used for driving the arbitrary direction pivoted of working electrode, rotating assembly includes preceding carousel, back carousel and rotatory handle, electrode sleeve is intraductal to have seted up first slotted hole, first slotted hole internalization is provided with first insulating sleeve, first insulating sleeve internal fixation is provided with first cable, the front end conductor of cable pass through first metal sleeve with the terminal pressfitting of working electrode is connected, first metal sleeve nestification is in on the preceding carousel, the rear end conductor cover of first cable is equipped with the second metal sleeve, the second metal sleeve nestification is in on the back carousel, fixed being provided with rotatory handle on the back carousel, electrode sleeve's the fixed center pole that is provided with in center, preceding carousel with the center of back carousel all is provided with the second slotted hole, center pole wear to establish second with preceding carousel back swing joint, be provided with on the electrode sleeve be used for first annular slotted hole pivoted first insulating sleeve.
Preferably, a first conductive block and a conductive sheet are arranged in the first metal sleeve, one end of the first conductive block is fixedly connected with a front end conductor of the first cable, the other end of the first conductive block is in butt joint with one side of the conductive sheet, the working electrode is fixedly connected with a second conductive block, and the second conductive block is in butt joint with the other side of the conductive sheet.
Preferably, a third conductive block and a second conductive sheet are arranged in the second metal sleeve, one end of the third conductive block is fixedly connected with the rear end conductor of the first cable, one side of the second conductive sheet is abutted to the other end of the third conductive block, the other side of the second conductive sheet is abutted to the fourth conductive block, the fourth conductive block is fixedly connected with the front end conductor of the second cable, the rear end conductor of the second cable is fixedly connected with the grounding electrode, the grounding electrode is positioned on the part of the electrode sleeve, which is sleeved with a third insulating sleeve, and the third insulating sleeve rotates in the first annular track.
Preferably, a positioning component for positioning the affected part is arranged on the central rod.
Preferably, the positioning assembly comprises a transmission rod and a sliding block, a second annular track is formed in the electrode sleeve, an electric push rod is arranged in the second annular track, a driving shaft of the electric push rod is fixedly connected with the side wall of the transmission rod, the transmission rod rotates in the second annular track, the end part of the transmission rod penetrates through the sliding block and the probe is fixedly connected, and the sliding block is slidably connected with a sliding groove formed in the front rotary table.
Preferably, an air collecting cavity is arranged in the center rod, an air inlet pipe is arranged on the air collecting cavity, and the air inlet pipe penetrates through an air inlet channel formed in the electrode sleeve and extends to the outside.
Preferably, an inflation assembly for inflating plasma gas is disposed within the central rod.
Preferably, the inflation assembly comprises a rubber plug, a push rod and an air inlet valve, the rubber plug is in sliding connection with the inner wall of the air collection cavity, one end of the push rod is fixedly connected with one side of the rubber plug, the other end of the push rod penetrates through the center rod and is fixedly connected with the pushing handle, the air inlet valve is arranged in the air collection cavity, and when the pushing handle pushes the rubber plug to slide forwards in the air collection cavity, the air inlet valve is opened.
Preferably, a second insulating sleeve is sleeved outside the electrode sleeve.
Compared with the prior art, the invention has the beneficial effects that:
the invention is characterized in that a slotted hole is formed in an electrode sleeve, a first insulating sleeve is movably arranged in the slotted hole, a cable is fixedly arranged in the first insulating sleeve, a front end conductor of the cable is connected with the tail end of a working electrode in a pressing way through a first metal sleeve, the first metal sleeve is nested on a front wheel disc, a rear end conductor of the cable is nested on a second metal sleeve, the second metal sleeve is nested on a rear wheel disc, a rotary handle is fixedly arranged on the rear wheel disc, a center rod is fixedly arranged at the center of the electrode sleeve, slotted holes are formed in the centers of a front rotary disc and a rear rotary disc, the center rod penetrates through the slotted hole and is movably connected with the front rotary disc and the rear rotary disc, and a first annular track for rotating the insulating sleeve is arranged on the electrode sleeve. Therefore, the rotating assembly can be used for driving the working electrode to rotate in any direction, on one hand, when the probe positions a patient, the working electrode can be moved to the patient by singly and rapidly driving the rotating handle, so that the treatment efficiency is improved, and the operation time is reduced; on the other hand, the working electrode can be rotated, so that the local heat of the affected part is prevented from being too high, the heat is uniformly distributed on the surface of the affected part, a wider treatment area can be covered, and the frequency of moving the working electrode is reduced.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of the present invention;
FIG. 2 is a side plan view of the overall structure of the present invention;
FIG. 3 is one of the side cross-sectional views of the overall structure of the present invention;
FIG. 4 is a second side cross-sectional view of the overall structure of the present invention;
FIG. 5 is a cross-sectional view of the front structure of the electrode sheath of the present invention;
FIG. 6 is a cross-sectional view of the front turntable of the present invention in elevation;
FIG. 7 is a cross-sectional view of the front structure of the rear turntable of the present invention;
FIG. 8 is a schematic elevational view of the probe of the present invention;
in the figure: the device comprises a 1 electrode sleeve, a 2 working electrode, a 3 front turntable, a 4 rear turntable, a 5 rotary handle, a 6 first insulating sleeve, a 7 first cable, a 8 first metal sleeve, a 9 second metal sleeve, a 10 chute, a 11 central rod, a 12 second slot, a 13 first annular track, a 14 first conductive block, a 15 first conductive sheet, a 16 third conductive block, a 17 second conductive sheet, a 18 fourth conductive block, a 19 ground electrode, a 20 second conductive block, a 21 transmission rod, a 22 sliding block, a 23 second annular track, a 24 electric push rod, a 25 air collecting cavity, a 26 air inlet pipe, a 27 air inlet channel, a 28 rubber plug, a 29 push rod, a 30 air inlet valve, a 31 push handle, a 32 second insulating sleeve, a 33 second cable, a 34 third insulating sleeve and a 35 probe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, the present invention provides a technical solution:
example 1:
the low-temperature plasma operation electrode comprises an electrode sleeve 1, a second insulating sleeve 32 is sleeved outside the electrode sleeve 1, rotating components for driving a working electrode 2 to rotate in any direction are arranged on two sides of the electrode sleeve 1, the working electrode 2 is a wire electrode and is in a conical structure, the working electrode 2 stretches into a position of a patient, the working electrode 2 is made of a ceramic material or a high-temperature superconductor, the working electrode 2 can work at low temperature, an insulating coating is arranged on the periphery of the front end of the working electrode 2, and an insulating sleeve is sleeved on the periphery of the insulating coating; as shown in fig. 2, 3 and 4, the rotating assembly comprises a front rotary table 3, a rear rotary table 4 and a rotating handle 5, a first slot hole is formed in an electrode sleeve 1, a first insulating sleeve 6 is movably arranged in the first slot hole, a first cable 7 is fixedly arranged in the first insulating sleeve 6, a front end conductor of the first cable 7 is connected with the tail end of a working electrode 2 in a pressing manner through a first metal sleeve 8, the first metal sleeve 8 is nested on the front rotary table 3, a rear end conductor of the cable 7 is sleeved with a second metal sleeve 9, the second metal sleeve 9 is nested on the rear rotary table 4, the rotating handle 5 is fixedly arranged on the rear rotary table 4, a center rod 11 is fixedly arranged at the center of the electrode sleeve 1, second slot holes 12 are respectively arranged at the centers of the front rotary table 3 and the rear rotary table 4, and the center rod 11 penetrates through the second slot holes 12 to be movably connected with the front rotary table 3 and the rear rotary table 4; as shown in fig. 5, the electrode sleeve 1 is provided with a first annular track 13 for rotation of the insulating sleeve 6.
On the basis of the above embodiment 1, as shown in fig. 3 and 4, a first conductive block 14 and a first conductive sheet 15 are disposed in the first metal sleeve 8, one end of the first conductive block 14 is fixedly connected with the front end conductor of the first cable 7, the other end is abutted against one side of the first conductive sheet 15, the working electrode 2 is fixedly connected with the second conductive block 20, the second conductive block 20 is abutted against the other side of the first conductive sheet 15, and the working electrode 2 can be electrified by using the first conductive block 14, the first conductive sheet 15 and the first cable 7, and meanwhile, the first conductive block 14 and the first conductive sheet 15 are disposed, so that the working electrode 2 is convenient to be powered off.
On the basis of the above embodiment 1, as shown in fig. 3 and 4, a third conductive block 16 and a second conductive sheet 17 are disposed in the second metal sleeve 9, one end of the third conductive block 16 is fixedly connected with the rear end conductor of the cable 7, one side of the second conductive sheet 17 is abutted against the other end of the third conductive block 16, the other side of the second conductive sheet 17 is abutted against the fourth conductive block 18, the fourth conductive block 18 is fixedly connected with the front end conductor of the second cable 33, the rear end conductor of the second cable 33 is fixedly connected with the ground electrode 19, a third insulating sleeve 34 is sleeved on a part of the ground electrode 19 located in the electrode sleeve 1, the third insulating sleeve 34 rotates in the first annular track 13, and the working electrode 2 is connected with the ground electrode 19 by the third conductive block 16, the second conductive sheet 17, the fourth conductive block 18 and the second cable 33 to form a loop.
On the basis of the above embodiment 1, as shown in fig. 2 and 5, a positioning component for positioning the affected part is disposed on the center rod 11, the positioning component includes a transmission rod 21 and a sliding block 22, a second annular track 23 is disposed on the electrode sleeve 1, an electric push rod 24 is disposed in the second annular track 23, a driving shaft of the electric push rod 24 is fixedly connected with a side wall of the transmission rod 21, the transmission rod 21 rotates in the second annular track 23, an end portion of the transmission rod 21 penetrates through the sliding block 22 and the probe 35 to be fixedly connected, the probe 35 can extend into the affected part, the sliding block 22 is slidably connected with a sliding groove 10 disposed on the front turntable 3, the extension of the electric push rod 24 drives the transmission rod 21 to rotate in the second annular track 23, and the sliding block 22 slides in the sliding groove 10 due to the fixed connection of the end portion of the transmission rod 21, so that the probe 35 can be driven to rotate to rapidly position the affected part.
On the basis of the above embodiment 1, as shown in fig. 3, the inside of the central rod 11 is provided with the gas collecting cavity 25, the gas collecting cavity 25 is provided with the gas inlet, the gas inlet is provided with the gas inlet pipe 26, the gas inlet pipe 26 extends to the outside through the gas inlet channel 27 provided in the electrode sleeve 1, the outside is provided with the gas source for providing the gas such as argon, xenon and nitrogen for the operation, and the gas can be pumped into the gas collecting cavity 25 by using the inflator pump.
On the basis of the above embodiment 1, as shown in fig. 3 and 4, an air charging assembly for charging plasma gas is provided in the center rod 11, the plasma gas includes argon gas, xenon gas and the like, the working electrode 2 activates the gas and generates low temperature plasma, the air charging assembly includes a rubber plug 28, a push rod 29 and an air intake valve 30, the rubber plug 28 and the inner wall of the air collecting chamber 25 are slidably connected, one end of the push rod 29 is fixedly connected with one side of the rubber plug 28, the other end penetrates through the center rod 11 and the push handle 31, the air intake valve 30 is provided in the inside of the air collecting chamber 25, the end of the center rod 11 is provided with an opening for gas to pass through, when the push handle 31 pushes the rubber plug 28 to slide forward in the air collecting chamber 25, the air intake valve 30 is opened, the gas flows to charge argon gas or xenon gas into affected parts of human body, and is ionized near the working electrode 2 to form particles with charges, thereby forming low temperature plasma.
In this embodiment 1, the electric putter 24 is electrically connected to the controller, the controller adopts a single-chip microcomputer with the model of 80C51, the electric putter 24 adopts YH series electric putters produced by large Lian Mohua hydraulic equipment limited company, the electric putter 24 is composed of a cylinder, a piston, a sealing element and a piston rod, a control port of the electric putter 24 is connected to a GPIO pin of the single-chip microcomputer, and a function of transmitting a control signal of the single-chip microcomputer to the electric putter 24 is realized, which is as follows: when the affected part is positioned, the controller sends a data signal to the single chip microcomputer, the single chip microcomputer controls the electric push rod 24 to be started, the extension of the electric push rod 24 drives the transmission rod 21 to rotate in the second annular track 23, the end part of the transmission rod 21 is fixedly connected with the probe 35, and the sliding block 22 slides in the sliding chute 10 to drive the probe 35 to rotate so as to quickly position the affected part; the rotating handle 5 and the pushing handle 31 may be both electric push rods, and the controller is used to automatically control the actions of the rotating handle 5 and the pushing handle 31, so that the control principle is similar to the action principle of the electric push rod 24, and will not be repeated here.
In this embodiment 1, by providing a first slot hole in the electrode sleeve 1, movably providing a first insulating sleeve 6 in the first slot hole, and fixedly providing a cable 7 in the first insulating sleeve 6, press-connecting a front end conductor of the first cable 7 with a distal end of the working electrode 2 through the first metal sleeve 8, nesting the first metal sleeve 8 on the front wheel disc 3, and sleeving a rear end conductor of the first cable 7 with a second metal sleeve 9, nesting the second metal sleeve 9 on the rear wheel disc 4, fixedly providing a rotary handle 5 on the rear wheel disc 4, fixedly providing a center rod 11 in a center of the electrode sleeve 1, and movably connecting the center rod 11 with the front and rear wheel discs 3, 4, and providing a first annular track 13 for rotation of the insulating sleeve 6 on the electrode sleeve 1. Therefore, the working electrode 2 can be driven to rotate in any direction by utilizing the rotating assembly, on one hand, when the probe 35 positions a patient, the working electrode 2 can be moved to the patient by rapidly driving the rotating handle 5, so that the treatment efficiency is improved, and the operation time is reduced; on the other hand, the working electrode 2 is rotated, so that the local heat of an affected part is prevented from being too high, the heat is uniformly distributed on the surface of the affected part, a wider treatment area can be covered, and the frequency of moving the working electrode 2 is reduced.
The working principle of the low-temperature plasma operation electrode is as follows:
when the device is used, the electric push rod 24 stretches to drive the transmission rod 21 to rotate in the second annular track 23, then drives the sliding block 22 to slide in the sliding groove 10, drives the probe 35 to rotate an angle so as to quickly position a diseased part, after the position of the diseased part is determined, drives the rotary handle 5 to rotate, drives the rear wheel disc 4 to rotate, drives the insulating sleeve 6 to rotate in the first annular track 13 while the rear wheel disc 4 rotates, drives the front wheel disc 3 to rotate so as to drive the working electrode 2 to rotate, rotates the working electrode 2 to the vicinity of the diseased part, pumps argon gas or xenon gas into the air inlet pipe 26 by using the air pump, collects the argon gas or the xenon gas in the air collecting cavity 25, then pushes the push rod 29 to move forwards by using the push handle 31, drives the rubber plug 28 to move forwards under the action of internal and external pressure difference, the air inlet valve 30 is opened, gas enters the diseased part from the opening at the end of the central rod 11, and the working electrode 2 ionizes the argon gas or the xenon gas to form charged particles so as to form low-temperature plasma, and the low-temperature plasma electrode is used for treating the diseased part, and the working electrode 2 can also rotate the rotating handle 5 to avoid local high heat of the working electrode 2.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a low temperature plasma operation electrode, its characterized in that includes the electrode sleeve, electrode sleeve's both sides are provided with the rotating assembly who is used for driving the arbitrary direction pivoted of working electrode, rotating assembly includes preceding carousel, back carousel and rotatory handle, electrode sleeve is interior to have seted up first slotted hole, first slotted hole internalization is provided with first insulating sleeve, first insulating sleeve internal fixation is provided with first cable, the front end conductor of first cable pass through first metal sleeve with the terminal pressfitting of working electrode is connected, first metal sleeve nestification is in on the preceding carousel, the rear end conductor cover of cable is equipped with the second metal sleeve, the second metal sleeve nestification is in on the back carousel, fixed being provided with on the back carousel rotatory handle, electrode sleeve's center is fixed to be provided with the center pole, preceding carousel with the center pole wears to establish the second slotted hole with preceding, back carousel swing joint, electrode sleeve is last to be provided with first annular track that is used for rotating.
2. The low-temperature plasma surgical electrode according to claim 1, wherein a first conductive block and a first conductive sheet are arranged in the first metal sleeve, one end of the first conductive block is fixedly connected with a front-end conductor of the first cable, the other end of the first conductive block is abutted against one side of the first conductive sheet, the working electrode is fixedly connected with a second conductive block, and the second conductive block is abutted against the other side of the first conductive sheet.
3. The low-temperature plasma surgical electrode according to claim 1, wherein a third conductive block and a second conductive sheet are arranged in the second metal sleeve, one end of the third conductive block is fixedly connected with a rear end conductor of the first cable, one side of the second conductive sheet is abutted against the other end of the third conductive block, the other side of the second conductive sheet is abutted against a fourth conductive block, the fourth conductive block is fixedly connected with a front end conductor of the second cable, the rear end conductor of the second cable is fixedly connected with a grounding electrode, a third insulating sleeve is sleeved on a part of the grounding electrode, which is positioned in the electrode sleeve, and the third insulating sleeve rotates in the first annular track.
4. A cryoplasma surgical electrode as defined in claim 1 wherein the central rod is provided with a positioning assembly for positioning the lesion.
5. The low-temperature plasma surgical electrode according to claim 4, wherein the positioning assembly comprises a transmission rod and a sliding block, a second annular track is formed in the electrode sleeve, an electric push rod is arranged in the second annular track, a driving shaft of the electric push rod is fixedly connected with the side wall of the transmission rod, the transmission rod rotates in the second annular track, the end portion of the transmission rod penetrates through the sliding block and is fixedly connected with the probe, and the sliding block is slidingly connected with a sliding groove formed in the front rotary disc.
6. The low-temperature plasma surgical electrode according to claim 1, wherein an air collecting cavity is arranged in the center rod, an air inlet pipe is arranged on the air collecting cavity, and the air inlet pipe extends to the outside through an air inlet channel arranged in the electrode sleeve.
7. The cryogenic plasma surgical electrode of claim 6, wherein an inflation assembly for inflating a plasma gas is disposed within the central rod.
8. The low-temperature plasma surgical electrode according to claim 7, wherein the inflation assembly comprises a rubber plug, a push rod and an air inlet valve, the rubber plug is slidably connected with the inner wall of the air collection cavity, one end of the push rod is fixedly connected with one side of the rubber plug, the other end of the push rod penetrates through the center rod and is fixedly connected with the pushing handle, the air inlet valve is arranged in the air collection cavity, and when the pushing handle pushes the rubber plug to slide forwards in the air collection cavity, the air inlet valve is opened.
9. The low temperature plasma surgical electrode according to claim 1, wherein the electrode sleeve is externally sleeved with a second insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311374081.7A CN117426867B (en) | 2023-10-23 | Low-temperature plasma operation electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311374081.7A CN117426867B (en) | 2023-10-23 | Low-temperature plasma operation electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117426867A true CN117426867A (en) | 2024-01-23 |
| CN117426867B CN117426867B (en) | 2024-06-04 |
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