CN113476137A - Ear-nose-throat plasma electrode - Google Patents
Ear-nose-throat plasma electrode Download PDFInfo
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- CN113476137A CN113476137A CN202110747875.8A CN202110747875A CN113476137A CN 113476137 A CN113476137 A CN 113476137A CN 202110747875 A CN202110747875 A CN 202110747875A CN 113476137 A CN113476137 A CN 113476137A
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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
- A61B18/12—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
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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
- A61B18/12—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
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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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
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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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00321—Head or parts thereof
- A61B2018/00327—Ear, nose or throat
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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
- 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
- A61B2018/00577—Ablation
- A61B2018/00583—Coblation, i.e. ablation using a cold plasma
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention provides an ear-nose-throat plasma electrode, which comprises: an electrode tip; an electrode tube body; the electrode comprises a water inlet pipe, a barb pipe, a water outlet pipe and a cover plate, wherein the cover plate comprises a first round hole and a second round hole, the cover plate is nested at the head part of the barb pipe and then sealed, one end of the water inlet pipe is hermetically welded with the first round hole, the other end of the water inlet pipe is used for flowing in physiological saline, one end of an electrode pipe body penetrates out of the tail part of the barb pipe through the second round hole and then is connected with an electrode tip, the water outlet pipe is sleeved outside the tail part of the barb pipe and one end of the electrode pipe body, and the water outlet pipe is hermetically sleeved with the tail part of the barb pipe so that the physiological saline can reach the electrode tip through the water outlet pipe; and one end of the cable is connected with the other end of the electrode tube body, and the other end of the cable is connected with the connecting plug. The invention can automatically supply the physiological saline as required in the working process of the electrode without repeatedly dipping the physiological saline by a doctor, thereby reducing the operation difficulty of the operation and improving the treatment effect.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ear-nose-throat plasma electrode.
Background
With the development of medical instruments, a plurality of new technologies and new methods are widely applied to clinic, benefit patients and play a positive role, for example, the plasma ablation technology which is commonly used in otolaryngology department in clinic at present. The plasma ablation technology belongs to one kind of electric coagulation, and mainly uses energy provided by bipolar radio frequency, the transmitter is physiological saline, a plasma field is formed between a target tissue and a radio frequency head (electrode head), charged particles are accelerated under the action of voltage gradient, and finally sufficient energy is obtained to open molecular bonds of tissue cells, the tissue cells are successfully cracked under the action of certain temperature, and oxide and carbohydrate are formed, and finally the purpose of tissue ablation is achieved.
When the plasma ablation technology is used for treating chronic hypertrophic rhinitis, after a patient is subjected to surface local anesthesia, a 0-degree rhinoscope is applied for guiding, a plasma cutter head stained with normal saline is penetrated into the middle and rear parts of a lower turbinate to punch and ablate, source pathological change tissues causing swelling or hypertrophy of the lower turbinate are treated, the condition that the mucous membrane of the lower turbinate and normal structures such as cilium cells, glands, blood vessels, blood sinuses and the like on the surface of the mucous membrane are damaged due to partial or total excision operation of the pathological change parts of the lower turbinate is avoided, the pathogeny is eliminated, the lower turbinate gradually recovers to a normal form, the problem of nasal obstruction is solved, and the functions of the lower turbinate and even the whole nasal cavity are protected.
Among the correlation technique, otolaryngology branch of academic or vocational study needle electrode need pierce pathological change tissue again and melt after being stained with normal saline with the electricity congeals tool bit in the operation process, and the transmitter normal saline of needle point uses up the back, needs the doctor to be stained with normal saline again and then continues to melt, and the doctor need carry out such repetitive motion repeatedly many times, not only can increase the operation degree of difficulty of operation, can influence the effect of treatment moreover.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an ear-nose-throat plasma electrode, which can enable the physiological saline flowing from a water inlet pipe to reach an electrode tip through a barb pipe and a water outlet pipe, so that the physiological saline can be automatically supplied according to the needs in the working process of the electrode without being repeatedly dipped by a doctor, the operation difficulty of the operation is reduced, and the treatment effect is improved.
The technical scheme adopted by the invention is as follows:
an embodiment of the present invention provides an electrode, including: an electrode tip; an electrode tube body; the electrode comprises a water inlet pipe, a barb pipe, a water outlet pipe and a cover plate, wherein the cover plate comprises a first round hole and a second round hole, the cover plate is nested at the head of the barb pipe and then is welded in a sealing mode, one end of the water inlet pipe is welded with the first round hole in a sealing mode, the other end of the water inlet pipe is used for allowing physiological saline to flow in, one end of the electrode pipe body penetrates out of the tail of the barb pipe through the second round hole and then is connected with the electrode tip, the water outlet pipe is sleeved on the tail of the barb pipe and the outer portion of one end of the electrode pipe body and is sleeved with the tail of the barb pipe in a sealing mode, and a gap is formed between the water outlet pipe and the electrode pipe body, so that the physiological saline can reach the electrode tip through the water outlet pipe; and one end of the cable is connected with the other end of the electrode tube body, and the other end of the cable is connected with the connecting plug.
The electrode of the above embodiment of the present invention has the following additional technical features:
according to one embodiment of the present invention, the electrode tip is a needle-shaped electrode, and the electrode tip is peeled off in steps.
According to an embodiment of the present invention, the electrode further includes: the handle is sleeved on the outer side of the barb pipe.
According to an embodiment of the present invention, the electrode tube body includes: molybdenum wire; the first polytetrafluoroethylene tube is sleeved outside the molybdenum wire; the first stainless steel pipe is sleeved outside the first polytetrafluoroethylene pipe; the second polytetrafluoroethylene tube is sleeved outside the first stainless steel tube; and the second stainless steel pipe is sleeved outside the second polytetrafluoroethylene pipe.
According to one embodiment of the invention, the cover plate is a circular metal plate.
According to one embodiment of the invention, the front part of the water inlet pipe is a metal pipe, the metal pipe is welded with the first round hole in a sealing mode, the rear part of the water inlet pipe is a polytetrafluoroethylene water pipe, and the polytetrafluoroethylene water pipe is fixed with glue after being sleeved with the metal pipe.
According to an embodiment of the present invention, the polytetrafluoroethylene water pipe of the water inlet pipe is provided with: and the flow rate adjusting switch is used for adjusting the flow rate of the physiological saline flowing into the water inlet pipe and controlling the opening/closing of the water inlet pipe.
According to one embodiment of the invention, the end of the polytetrafluoroethylene water pipe of the water inlet pipe is provided with a drip bubble, the drip bubble is inserted into the physiological saline, and the drip bubble is used for observing the water flow speed of the water inlet pipe.
According to an embodiment of the present invention, the electrode tube includes a first position a between one end of the electrode tube and the tail of the barbed tube, and a predetermined angle is formed between the first position a and the other end of the electrode tube.
According to an embodiment of the invention, the preset angle is 160 °.
According to one embodiment of the invention, the other end of the electrode tube is stripped in a gradient manner, wherein the molybdenum wire at the other end of the electrode tube is connected with the first positive electrode of the cable, the first stainless steel tube is connected with the second positive electrode of the cable, and the second stainless steel tube is connected with the ground wire of the cable through a cross-over capacitor.
The invention has the beneficial effects that:
the invention can make the normal saline flow into the barb pipe from the water inlet pipe and the water outlet pipe to reach the electrode tip, thereby automatically supplying the normal saline according to the requirement in the working process of the electrode without repeatedly dipping the normal saline by a doctor, reducing the operation difficulty of the operation and improving the treatment effect.
Drawings
FIG. 1 is a schematic diagram of the structure of an electrode according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of an electrode according to one embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a barbed tube according to one embodiment of the present invention;
FIG. 4 is a schematic structural view of a cover plate of a barbed tube according to one embodiment of the present invention;
FIG. 5 is a schematic diagram of a partial structure of an electrode according to one embodiment of the present invention;
fig. 6 is a schematic structural view of an electrode head according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of an electrode tube according to an embodiment of the present invention;
FIG. 8 is a schematic view of a handle structure according to one embodiment of the present invention.
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.
The ear-nose-throat plasma electrode proposed by the invention is described below with reference to the specific drawings.
As shown in fig. 1 to 6, an ear-nose-throat plasma electrode according to an embodiment of the present invention includes: electrode tip 1, electrode body 2, inlet tube 3, barb pipe 4, outlet pipe 5, apron 6 and cable conductor 7.
The cover plate 6 comprises a first round hole 61 and a second round hole 62, the cover plate 6 is nested in the head 42 of the barbed tube 4 and then sealed, one end of the water inlet tube 3 is in sealing welding with the first round hole 61, the other end of the water inlet tube 3 is used for flowing in physiological saline, one end of the electrode tube body 2 penetrates out of the tail 41 of the barbed tube 4 through the second round hole 62 and then is connected with the electrode tip 1, the water outlet tube 5 is sleeved outside the tail 41 of the barbed tube 4 and one end of the electrode tube body 2, the water outlet tube 5 is in sealing sleeving connection with the tail 41 of the barbed tube 4, and a gap is formed between the water outlet tube 5 and the electrode tube body 2, so that the physiological saline can reach the electrode tip 1 through the water outlet tube 5; one end of the cable 7 is connected with the other end of the electrode tube body 2, and the other end of the cable 7 is connected with the connecting plug 8.
Specifically, as shown in fig. 1-2, the connection plug 8 is inserted into the energy platform, the high-frequency signal provided by the energy platform reaches the electrode head 1 through the electrode tube body 2, that is, the electrode tube body 2 performs a high-frequency signal conduction function, the other end of the water inlet tube 3 is inserted into a required transmitter (for example, saline) through the drip bubble 32, under the action of gravity, the water inlet tube 3 can flow the saline into the barbed tube 4, and the saline in the barbed tube 4 reaches the electrode head 1 through the water outlet tube 6, so that an automatic water inlet function of the electrode is realized. Plasma is generated on the electrode tip 1 by the high frequency signal under the action of the physiological saline, thereby cutting and coagulating the tissue. The following describes how to realize the automatic water inlet function of the electrode by using the water inlet pipe 3, the barbed pipe 4, the water outlet pipe 5 and the cover plate 6 in detail with reference to the specific drawings.
The enlarged cross section at the joint of the electrode tube body 2, the water inlet tube 3, the barbed tube 4, the water outlet tube 5 and the cover plate 6 is shown in fig. 2, the cross section of the barbed tube 4 is shown in fig. 3, the cross section of the cover plate 6 is shown in fig. 4, and as shown in fig. 3-4, the cover plate 6 is nested in the head 42 of the barbed tube 4 and then is hermetically welded, one end of the water inlet tube 3 is hermetically welded with a first round hole 61 on the cover plate 6, so that the inflowing physiological saline is directly conveyed into the barbed tube 4, one end of the electrode tube body 2 penetrates out of the tail 41 of the barbed tube 4 through a second round hole 62 and then is connected with the electrode tip 1, and the contact part of the electrode tube body 2 and the second round hole 62 must be hermetically welded, so that the head 42 of the barbed tube 4 can be ensured to be watertight. As shown in fig. 2, the tail part 41 of the barbed tube 4 is hermetically combined with one end of the water outlet tube 5 to ensure that the tail part of the barbed tube 4 does not leak water, and further ensure that the physiological saline does not leak water before reaching the electrode head.
As shown in fig. 2 and 5, the water outlet pipe 5 is sleeved outside between the tail portion 41 of the barbed tube 4 and one end of the electrode tube body 2, the water outlet pipe 5 is hermetically sleeved with the tail portion 41 of the barbed tube 4, and a gap is formed between the water outlet pipe 5 and the electrode tube body 2, so that the physiological saline flowing into the barbed tube 4 from the water inlet pipe 3 flows out through the tail portion 41 of the barbed tube and then reaches the electrode tip 1 through the water outlet pipe 5. From this, can make the normal saline that the inlet tube flowed in reach the electrode tip through barb pipe, outlet pipe to can be at electrode working process as required automatic supply normal saline, and need not the doctor and be stained with the normal saline repeatedly, reduced the operation degree of difficulty of operation, improved treatment.
In one embodiment of the present invention, as shown in fig. 4, the cover plate 6 may be a circular metal plate, wherein the left side of 4 is a cross-sectional view of the cover plate 6, and the right side is a side view of the cover plate 6.
In an embodiment of the present invention, as shown in fig. 1, the electrode may further include: handle 9, handle 9 suit can be according to the size settlement of human hand in the outside of barb pipe 4, the specific suit length of handle 9, and make things convenient for the doctor to hold the electrode and carry out the operation, and all surround the barb pipe can.
In one embodiment of the present invention, as shown in fig. 7, the electrode tube body 2 may include: the device comprises a molybdenum wire 21, a first polytetrafluoroethylene tube 22, a first stainless steel tube 23, a second polytetrafluoroethylene tube 24 and a second stainless steel tube 25, wherein the first polytetrafluoroethylene tube 22 is sleeved outside the molybdenum wire 21; a first stainless steel pipe 23 is sleeved outside the first polytetrafluoroethylene pipe 22; the second polytetrafluoroethylene tube 24 is sleeved outside the first stainless steel tube 23; and a second stainless steel pipe 25 is sleeved outside the second polytetrafluoroethylene pipe 24.
Specifically, the electrode tube body 2 may conduct a high frequency signal to the electrode tip 1, and achieve reliable insulation and electromagnetic signal absorption through the multi-layered teflon tube and the stainless steel tube.
In one embodiment of the present invention, as shown in fig. 5 to 6, the electrode tip 1 may be a needle-shaped electrode, and the electrode tip 1 is peeled off in a stepwise manner to facilitate the plasma ablation technique in the otolaryngological department.
Specifically, as shown in fig. 5-6, the electrode tip 1 is stripped in a stepped manner, the molybdenum wire 21 of the electrode tube body 2 and the first stainless steel tube 23 (middle layer stainless steel tube) form a double pole, the second stainless steel tube 25 (outer layer stainless steel tube) of the electrode tube body 2 passes through the inside of the tail part of the barbed tube 3 and penetrates out of the second round hole 62 of the cover plate, and then is also stripped in a gradient manner, that is, the other end of the electrode tube body 2 is stripped in a gradient manner, wherein the molybdenum wire 21 at the other end of the electrode tube body is connected with the first positive pole of the cable 7, the first stainless steel tube 23 at the middle layer is connected with the second positive pole of the cable 7, and the second stainless steel tube 25 at the outer layer is connected with the ground wire of the cable through a crossover capacitor, so as to reduce energy and reduce damage to the epidermis of human tissue. In an embodiment of the present invention, the water outlet pipe 5 may be made of teflon, and the water outlet pipe 5 is directly sleeved on the outer surface of the tail of the barbed tube 4 and fixed by glue to prevent water leakage. The front portion of inlet tube 3 can be the tubular metal resonator, the tubular metal resonator with first round hole 61 seal weld, the rear portion is polytetrafluoroethylene material water pipe, and polytetrafluoroethylene material water pipe cup joints with the tubular metal resonator and fixes with glue to prevent leaking.
In an embodiment of the present invention, as shown in fig. 1, a flow rate adjusting switch 31 is disposed on the ptfe water pipe of the water inlet pipe 3, and the flow rate adjusting switch 31 is used for adjusting the flow rate of the saline flowing into the water inlet pipe and controlling the opening/closing of the water inlet pipe. The water pipe tail of the polytetrafluoroethylene material of the water inlet pipe 3 is provided with a dripping bubble 32 which is inserted into the physiological saline to observe the water velocity of the water inlet pipe.
Specifically, the user can adjust the following parameters according to actual requirements: the flow rate adjusting switch 31 adjusts the flow rate of the saline flowing into the inlet tube.
That is, the cover plate 6 and the barbed tube 4, the cover plate 6 and the outer stainless steel tube (second stainless steel tube 25) of the electrode tube body 2, and the cover plate 6 and the metal water inlet tube can be sealed and fixed in a welding manner to prevent water leakage.
According to an embodiment of the present invention, as shown in fig. 1, the electrode tube 2 includes a first position a, the first position a is located between one end of the electrode tube 2 and the tail of the barb tube 4, and the first position a is a predetermined distance L1 from one end of the electrode tube 2, and a predetermined angle (e.g. 160 °) is formed between one end of the electrode tube to the first position a (L1) and the other end of the electrode tube (L2), i.e. 160 ° is formed between L1 and L2 of the electrode tube 2 in fig. 1, so that when the electrode is operated by holding the handle, the water inlet pipe is higher than the water outlet of the water outlet pipe, and the saline can more easily flow out to the electrode tip, and the front end of the electrode tube is bent by 160 ° as verified by related experiments, which the use effect is optimal in practical operation. The length of the electrode tube body 2, i.e. L1+ L2, may be 185 ± 0.5mm, and L1 may be 42 ± 0.2mm, i.e. the preset distance may be 42 ± 0.2mm, which may be set according to practical situations.
According to an embodiment of the present invention, as shown in fig. 8, the handle 9 further includes a convex portion 91, and the convex portion 91 is disposed at an end of the handle 9 close to the electrode head 1 direction, and a convex angle of the convex portion 91 is a preset angle to facilitate holding by a user.
In the present invention, the electrode may be a bipolar electrode.
In summary, according to the electrode of the invention, the cover plate is nested at the head of the barbed tube and then sealed, one end of the water inlet tube is hermetically welded with the first round hole, the other end of the water inlet tube is used for flowing in physiological saline, one end of the electrode tube body penetrates out of the tail of the barbed tube through the second round hole and then is connected with the electrode tip, the water outlet tube is sleeved outside the tail of the barbed tube and one end of the electrode tube body, the water outlet tube is hermetically sleeved with the tail of the barbed tube, a gap is formed between the water outlet tube and the electrode tube body so that the physiological saline can reach the electrode tip through the water outlet tube, one end of the cable is connected with the other end of the electrode tube body, and the other end of the cable is connected with the connecting plug. From this, can make the normal saline that the inlet tube flowed in reach the electrode tip through barb pipe, outlet pipe to can be at electrode working process as required automatic supply normal saline, and need not the doctor and be stained with the normal saline repeatedly, reduced the operation degree of difficulty of operation, improved treatment.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. An otolaryngological plasma electrode, comprising:
an electrode tip;
an electrode tube body;
the electrode comprises a water inlet pipe, a barb pipe, a water outlet pipe and a cover plate, wherein the cover plate comprises a first round hole and a second round hole, the cover plate is nested at the head of the barb pipe and then is welded in a sealing mode, one end of the water inlet pipe is welded with the first round hole in a sealing mode, the other end of the water inlet pipe is used for allowing physiological saline to flow in, one end of the electrode pipe body penetrates out of the tail of the barb pipe through the second round hole and then is connected with the electrode tip, the water outlet pipe is sleeved on the tail of the barb pipe and the outer portion of one end of the electrode pipe body and is sleeved with the tail of the barb pipe in a sealing mode, and a gap is formed between the water outlet pipe and the electrode pipe body, so that the physiological saline can reach the electrode tip through the water outlet pipe;
and one end of the cable is connected with the other end of the electrode tube body, and the other end of the cable is connected with the connecting plug.
2. The otolaryngology plasma electrode of claim 1, wherein the electrode tip is a needle electrode and the electrode tip is stepped.
3. The otolaryngological plasma electrode of claim 1, further comprising: the handle is sleeved on the outer side of the barb pipe.
4. The otolaryngological plasma electrode of claim 1, wherein the electrode tube body comprises:
molybdenum wire;
the first polytetrafluoroethylene tube is sleeved outside the molybdenum wire;
the first stainless steel pipe is sleeved outside the first polytetrafluoroethylene pipe;
the second polytetrafluoroethylene tube is sleeved outside the first stainless steel tube;
and the second stainless steel pipe is sleeved outside the second polytetrafluoroethylene pipe.
5. The otolaryngological plasma electrode of claim 1 wherein the cover plate is a circular metal plate.
6. The ear-nose-throat plasma electrode according to claim 1, wherein the front part of the water inlet pipe is a metal pipe, the metal pipe is hermetically welded with the first circular hole, the rear part of the water inlet pipe is a polytetrafluoroethylene water pipe, and the polytetrafluoroethylene water pipe and the metal pipe are fixed by glue after being sleeved.
7. The ear-nose-throat plasma electrode according to claim 6, wherein the water pipe of the water inlet pipe made of polytetrafluoroethylene is provided with: and the flow rate adjusting switch is used for adjusting the flow rate of the physiological saline flowing into the water inlet pipe and controlling the opening/closing of the water inlet pipe.
8. The ear-nose-throat plasma electrode according to claim 7, wherein the tail of the water pipe made of polytetrafluoroethylene material of the water inlet pipe is provided with a drip bubble, the drip bubble is inserted into the physiological saline, and the drip bubble is used for observing the water velocity of the water inlet pipe.
9. The otolaryngology plasma electrode of claim 1, wherein the electrode tube body includes a first position a between one end of the electrode tube body and the tail of the barb tube, the first position a being at a predetermined angle from the one end of the electrode tube body to the first position a and from the first position a to the other end of the electrode tube body.
10. The otolaryngological plasma electrode of claim 9 wherein the predetermined angle is 160 °.
11. The otolaryngology plasma electrode of claim 4, wherein the other end of the electrode tube is gradient stripped, wherein the molybdenum wire of the other end of the electrode tube is connected to a first positive electrode of the cable, the first stainless steel tube is connected to a second positive electrode of the cable, and the second stainless steel tube is connected to a ground of the cable through a crossover capacitor.
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| CN202110747875.8A CN113476137B (en) | 2021-07-02 | 2021-07-02 | Ear-nose-throat plasma electrode |
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| CN111643176A (en) * | 2020-04-14 | 2020-09-11 | 珠海市司迈科技有限公司 | Radio frequency ablation electrode for otitis media minimally invasive surgery and using method thereof |
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2021
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Address after: 211800 third and fourth floors of J5, science and Technology Industrial Park, Nanjing University of technology, No. 15, Wanshou Road, Nanjing area, China (Jiangsu) pilot Free Trade Zone, Nanjing, Jiangsu Province Patentee after: Nanjing Yigao Medical Technology Co.,Ltd. Address before: 211800 third and fourth floors of J5, science and Technology Industrial Park, Nanjing University of technology, No. 15, Wanshou Road, Nanjing area, China (Jiangsu) pilot Free Trade Zone, Nanjing, Jiangsu Province Patentee before: NANJING ECO MICROWAVE SYSTEM Co.,Ltd. |
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