CN110882053A

CN110882053A - Novel single-bipolar mixed mode surgical ablation electrode with smoking measurement function

Info

Publication number: CN110882053A
Application number: CN201911148900.XA
Authority: CN
Inventors: 吴志明; 刘卓炜; 方倩; 许景业; 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-21
Publication date: 2020-03-17

Abstract

The invention discloses a novel monopolar and bipolar mixed mode surgical ablation electrode with a smoking measurement function, which comprises a handle component, a cutter head component, a cutter bar component and an electrode system, wherein the handle component is connected with the cutter bar component; the single-bipolar mixed mode surgical ablation electrode has the monopolar electrocoagulation electrotomy mode and the bipolar electrocoagulation mode, so that monopolar and bipolar instruments do not need to be frequently replaced in the surgical process, the surgical ablation electrode can be efficiently separated, hemostasis can be timely realized, and in addition, all keys are designed on the handle, the operation usability can be greatly improved, and the operation time is obviously saved; the smoke exhaust component can quickly and efficiently absorb smoke generated in the operation, so that the harm of the operation smoke to doctors and nurses is greatly reduced; if the endoscope operation is performed, the smoking frequency and the scrubbing frequency of the endoscope lens are greatly reduced, and the operation time is effectively shortened.

Description

Novel single-bipolar mixed mode surgical ablation electrode with smoking measurement function

Technical Field

The invention relates to the technical field of surgical instruments, in particular to a novel single-bipolar mixed mode surgical ablation electrode with a smoking measurement function.

Background

The high-frequency electric surgical instrument is widely used in clinical surgery modes as a basic surgical energy instrument, and the position of the high-frequency electric surgical instrument in open surgery cannot be swung. Although the popularization of ultrasonic knives has made them a good place for endoscopic surgery over the past two decades, high frequency electrosurgical instruments such as monopolar coagulation hooks, monopolar electric scissors (as used in da vinci robot), bipolar coagulation (as used in Ligasure, hectic forceps) and the like have also developed rapidly and are widely used in endoscopic minimally invasive surgery. The clinically and conventionally used monopolar high-frequency ablation electrode (including a common surgical electrotome for open surgery and a monopolar electric coagulation hook for endoscopic minimally invasive surgery, a monopolar electric scissors and the like) mainly generates heat and gasifies or coagulates high-impedance tissues by high-frequency high-voltage current. Compared with energy instruments such as an ultrasonic knife and the like, the high-frequency ablation electrode has the advantages that the operations of cutting, separating, stopping bleeding and the like can be performed on tissues efficiently without converting electric energy into mechanical energy. The bipolar high-frequency ablation electrode (comprising bipolar coagulation forceps, Ligasure, hectogram forceps and the like) adopts the working principle that high-frequency high-power sine waves are applied and released through two tip parts of the bipolar coagulation, so that the heat effect is generated on human tissues between the two electric coagulations to coagulate protein in blood, and the hemostatic effect is achieved. Compared with a high-frequency electric surgical instrument, the cutting speed of the single-pole high-frequency ablation electrode is high, the operation is simple, but the hemostasis effect on a vascular plexus or a slightly larger blood vessel is poor; the bipolar high-frequency ablation electrode has a very good hemostatic effect on local tissues although the cutting and separating effect is not obvious. The combination of the single-pole and double-pole ablation electrodes can realize the tissue separation and cutting with higher efficiency and timely and effective hemostasis.

The defects of the high-frequency electric surgical instrument in the current market are as follows: firstly, the monopolar and the bipolar ablation electrode are not integrated mechanically, when bleeding occurs during monopolar cutting operation, the bipolar instrument needs to be replaced for further hemostasis, the operation is complicated, and the surgical field is easily polluted due to untimely hemostasis; secondly, the high-frequency electric surgical instrument cauterizes, stops bleeding and cuts tissues through heat to gasify tissue liquid, smoke generated by gasified tissues is large, and the smoke contains a large amount of toxic gas, so that the health of doctors and nurses on an operation table is greatly influenced in open operations; in the endoscopic minimally invasive surgery, the lens of the endoscope is easily atomized and polluted, so that the observation of the endoscope is influenced, the operation progress is seriously influenced by frequent smoke suction and ventilation or lens scrubbing, and the safety and the efficiency of the operation are not improved; thirdly, most of the cutter head of the existing bipolar ablation electrode is a straight head, and under the condition of endoscopic surgery, when the angle between the instrument and a laparoscope is small, the operation of the cutter head is difficult to observe; in addition, in open or endoscopic surgery, the most monopolar high-frequency electric surgical instruments have no protective layer on the cutter head, the whole metal part is exposed beside the surgical target area, and the cutter head part which is excessively exposed during the surgical operation, particularly the fine operation such as cleaning lymph nodes beside blood vessels, is easy to accidentally injure the surrounding tissues.

Disclosure of Invention

In order to solve the technical problems of the existing surgical instruments, the invention firstly provides a single-pole and double-pole mixed mode surgical ablation electrode.

A single and dual pole mixed mode surgical ablation electrode comprising:

a handle assembly: the electric coagulation electric;

the tool bit subassembly: an upper tool bit, a lower tool bit and a blade; the blade is arranged on the clamping surface of the upper tool bit;

the cutter bar component: an outer tube, a pull rod; the pull rod is sleeved in the outer tube, the lower tool bit is fixedly connected with the outer tube, the upper tool bit is hinged with the outer tube and is connected with the movable handle through the pull rod, so that when the movable handle swings relative to the holding handle, the pull rod can displace relative to the outer tube, and the upper tool bit and the lower tool bit are closed;

an electrode system: the single-pole lead, the first bipolar lead, the second bipolar lead, the pull rod lead contact, the conducting strip and the outer tube lead contact; the single-pole lead, the first bipolar lead and the second bipolar lead extend out of the electrode wire tube, a pull rod lead contact is positioned on a pull rod, an outer tube lead contact is positioned on an outer tube, the first end of the single-pole lead is connected with the pull rod lead contact, the second end of the single-pole lead is connected with a single-pole high-frequency energy platform, the first end of the first bipolar lead is directly connected with a lower tool bit through the inside of the outer tube, the second end of the first bipolar lead is connected with the bipolar high-frequency energy platform, the first end of the second bipolar lead is connected with the outer tube lead contact, and the second end; the conducting strip is positioned between the pull rod and the blade, so that current on the pull rod can flow to the blade after the conducting strip is electrified; wherein, the unipolar wire, the pull rod wire contact, the conducting strip and the blade form a unipolar current conducting element; the first bipolar lead, the second bipolar lead, the upper cutter head, the lower cutter head and the outer tube lead contact form a bipolar current conduction essential element;

the monopolar electrocoagulation switch and the monopolar electrocoagulation switch are used for controlling the connection or disconnection of the monopolar current conduction element and the monopolar high-frequency energy platform, and the bipolar electrocoagulation switch is used for controlling the connection or disconnection of the bipolar current conduction element and the bipolar high-frequency energy platform;

the pull rod, the outer tube and the first bipolar lead are mutually insulated; the outer surfaces of the upper cutter head and the lower cutter head are insulated, and the upper cutter head and the lower cutter head are mutually insulated when closed.

The single-bipolar mixed mode surgical ablation electrode integrates the monopolar function and the bipolar function into a whole, and easily realizes the switching of the monopolar and the bipolar functions by improving the electrode system, thereby solving the technical problems that the monopolar and the bipolar ablation electrodes are not integrated, the monopolar and the bipolar functions are inconvenient to switch and the operation is not practical in the prior art.

In the above-mentioned surgical ablation electrode of the present invention, the electrode system is a single-bipolar mixed mode, and is composed of a monopolar electrode system and a bipolar electrode system, and the circuits of the monopolar electrode system and the bipolar electrode system are independent from each other and do not interfere with each other, wherein the monopolar electrode system includes a monopolar current conduction requirement, and the bipolar electrode system includes a bipolar current conduction requirement.

The realization process of the monopolar function in the single-bipolar mixed mode operation ablation electrode comprises the following steps: clamping part of tissues, pressing down a monopolar electrocoagulation switch or a monopolar electrotomy switch, electrifying a monopolar current conduction essential element and a monopolar high-frequency energy platform, conducting high-frequency current in the monopolar high-frequency energy platform to a pull rod lead contact through a monopolar lead, then sequentially passing through a pull rod and a conducting strip, and finally reaching a blade in the center of an upper tool bit, wherein an upper tool bit insulating element is arranged on the periphery of the blade and forms an insulating state with an upper tool bit clamping surface, and meanwhile, a circuit of a lower tool bit is in an open state, so that the high-frequency current in the blade of the upper tool bit forms a loop through an electrode slice on a human body, thereby achieving the monopolar electrocoagulation or electrotomy; at the moment, the blade is a monopolar ablation electrode, and the design can ensure that the acted tissues are the tissues clamped by the upper cutter head and the lower cutter head no matter monopolar electrocoagulation or monopolar electrosection in the operation process, so that other surrounding tissues are prevented from being accidentally injured.

The bipolar function is realized by the following steps: the upper and lower cutter heads clamp part of tissues, when the bipolar coagulation switch is pressed down, the first bipolar lead is directly connected with the lower cutter head through the inner part of the outer tube, high-frequency current in the bipolar energy platform is connected to the clamping surface of the lower cutter head through the first bipolar lead, and the upper cutter head forms a current loop with the bipolar energy platform through the contact of the outer tube lead on the outer tube, so that the function of bipolar coagulation is achieved.

In some specific embodiments, the closing of the upper and lower tool bits is achieved by: the tail end of the upper cutter head is hinged with the pull rod head through the pull rod shaft, the fixed shaft is located between the pull rod shaft and the upper cutter head and fixed with the outer tube, and when the pull rod moves relative to the outer tube, the pull rod shaft moves correspondingly through the fixed shaft, so that the upper cutter head and the lower cutter head are closed.

It is noted that when using the monopolar mode, the upper and lower blades can be closed, or semi-closed, because as long as the monopolar blades are energized, there is a cutting effect, and if too much tissue is clamped, there is no closing.

Among the above-mentioned operation ablation electrode, the monopolar electrode system specifically includes: the single-pole lead, the pull rod lead contact, the pull rod shaft, the conducting strip and the blade; since the monopolar high-frequency current output terminal element of the monopolar electrode system is the blade, the monopolar high-frequency current is led into the conducting strip through the pull rod shaft connected with the pull rod and the upper tool bit, and finally the monopolar high-frequency current is transmitted to the blade. In order to prevent the single-pole high-frequency current from generating a creepage phenomenon, the peripheries of the blade and the conducting strip are provided with upper cutter head insulating pieces for protection; when the upper cutter head and the lower cutter head are closed, the lower cutter head insulating part on the lower cutter head is matched with the blade; all parts of the pull rod shaft, which are in contact with the upper tool bit, are protected by insulating rubber, and the parts of the pull rod shaft, which have the conductive function, are only reserved at the joint of the pull rod and the pull rod shaft and the joint of the pull rod shaft and the conductive sheet, so that a monopolar electrode system is complete.

Bipolar electrode system: the device comprises a first bipolar lead, a second bipolar lead, a lower cutter head, an outer tube lead contact, an upper cutter head, a fixed shaft and an outer tube; the bipolar high-frequency current is generated by the bipolar high-frequency energy platform and then reaches the lower tool bit through the first bipolar lead, when the lower tool bit and the upper tool bit are closed, a bipolar high-frequency current loop is formed by the clamping surface of the lower tool bit and the clamping surface of the upper tool bit, the bipolar high-frequency current flows back to the upper tool bit through the lower tool bit and then flows back to the bipolar high-frequency energy platform through the fixed shaft, the outer tube lead contact and the second bipolar lead, and therefore a bipolar electrode system is formed. In order to prevent the bipolar high-frequency current from generating creepage, the upper cutter head and the lower cutter head are both provided with insulating materials except the acting surface (namely the clamping surface), and the connecting parts of the lower cutter head and the outer pipe are mutually insulated.

In some embodiments, the monopolar electrocoagulation switch and the monopolar electrocoagulation switch are positioned at the holding end of the holding handle, and the bipolar electrocoagulation switch is positioned at the side surface of the holding handle, so that the bipolar electrocoagulation switch is in accordance with the human design and is convenient for an operator to operate.

Specifically, the bipolar electrocoagulation switch is positioned on the side surface of the holding handle which can be contacted by the thumb, so that the thumb can conveniently control the bipolar electrocoagulation switch, and the energy output mode is selected by the thumb without controlling the bipolar output by a foot pedal; the operation position is not required to be adjusted when the operation position is changed, unnecessary operation in the operation process is reduced, the operation time is shortened, and the operation infection risk is reduced.

The outer tube, the pull rod and the first bipolar wire are insulated from each other, and the outer tube and the pull rod are covered with insulating materials, so that the creepage phenomenon in the high-voltage working state is prevented. In addition, the surfaces of the upper cutter head and the lower cutter head are also covered with insulating materials, and the upper cutter head and the lower cutter head are insulated from each other when the upper cutter head and the lower cutter head are closed, so that energy output between the upper cutter head and the lower cutter head is ensured continuously until tissue coagulation or cutting is finished.

In some specific embodiments, the outer tube comprises an outer tube connecting section connected with the cutter head assembly, the diameter of the outer tube connecting section is smaller than that of the outer tube, and the outer wall of the outer tube is provided with scales. Specifically, the scale marks are accurate to millimeter level, and the size of the target tissue (such as the length of the intestinal tube to be cut, the size of the excised tumor tissue and the like) can be measured through the scale marks of the outer tube, so that the accuracy of the operation is improved.

In order to solve the technical problem that a large amount of surgical smoke cannot be quickly sucked due to the generation of the prior art, the invention also provides a novel single-bipolar mixed mode surgical ablation electrode with a smoke suction measurement function, wherein a smoke exhaust component is added on the single-bipolar mixed mode surgical ablation electrode, and comprises a smoke suction window opening, a smoke exhaust pipe communicated with the smoke suction window opening and a smoke exhaust control switch arranged on the holding handle; wherein smoking fenestration hole site is located the step department of being connected between outer tube linkage segment and the outer tube, and/or the junction between tool bit subassembly and the outer tube linkage segment, the pipe of discharging fume is made by insulating material, it passes inside outer tube and the gripping handle, and stretch out from the gripping handle rear, so, make ablation electrode possess the function of smoking, can in time suck away the smog in the operation field of vision through smoking fenestration hole in the operation process, thereby be convenient for in time observe the operation field of vision through the endoscope, accelerate the operation process, efficiency of the operation and security are improved.

In some specific embodiments, the smoke exhaust control switch can adjust the size of the cavity of the smoke exhaust pipe, so as to achieve the purpose of adjusting the smoke suction amount and the smoke suction speed.

In the invention, the position of the smoking fenestration is well designed, no matter in a monopolar mode or a bipolar mode, the operation of the smoking fenestration basically generates smoke at the cutter head component, therefore, the smoking fenestration is arranged at the connection part between the cutter head component and the outer tube connection section, thus, the smoke can be sucked away accurately and the smoke can be prevented from dispersing, in addition, the smoking fenestration is additionally arranged at the step part connected between the outer tube connection section and the outer tube, when the area of the smoke in the operation is larger, the smoking fenestration at the cutter head component can not suck away all the smoke, the smoking fenestration at the step part connected between the outer tube connection section and the outer tube can suck away the smoke which is not sucked away by the fenestration at the connection part between the cutter head component and the outer tube connection section in time, thus, the smoke generated by the cutter head can be sucked away efficiently and synchronously, and the gas discharge amount is reduced, the pressure in the cavity is kept, and the continuity of the operation is effectively improved.

In some embodiments, the smoke evacuation control switch includes a controller base disposed through the smoke evacuation pipe, and a push button disposed in the controller base and pressing on the smoke evacuation pipe, the push button protruding from a surface of the grip handle. Therefore, the size of the tube cavity of the smoke exhaust tube is adjusted by pushing the push type button, and the purpose of adjusting the smoking flow of the smoke exhaust tube is achieved.

Above-mentioned novel bipolar mixed mode area smoking measurement function operation ablation electrode has solved current ablation electrode and has been suitable for singleness, technical problem such as inconvenient operation, can be applied to in various clinical surgery operations and carry out tissue and the closed cutting of vessel under high-efficient, accurate smoke evacuation condition.

When the bipolar electrocoagulation function is required to be switched, the clamping surface of the lower cutter head is provided with a recess (the surface of the recess is also covered with an insulating material), the recess is matched with the shape of a blade (the blade edge part of the blade is designed in a V shape), so when a bipolar high-frequency energy platform is connected, a tissue to be electrocoagulated is arranged between the upper cutter head and the lower cutter head, the bipolar electrocoagulation switch is pressed down to ensure that the tissue between the upper cutter head and the lower cutter head is electrocoagulated to form eschar, at the moment, if the tissue (target tissue) which is thoroughly stanched and formed with eschar needs to be cut off, the movable handle can be swung to drive the pull rod to move, so that the upper cutter head and the lower cutter head are closed, because the blade of the matching of the recess of the upper cutter head and the recess of the lower cutter head, the blade is completely sunk into the recess, on the one hand, the complete closing of the upper cutter head and the lower cutter head is convenient for, on the other hand, the blade plays the effect of mechanical cutting to the purpose tissue to easily realize cutting off the purpose tissue, close upper slitter head and lower cutter head can will thoroughly cut off the tissue that has stanched acutely.

In some specific embodiments, the gripping surfaces of the upper and lower blades are provided with tooth-like protrusions, so that the gripping capability of the upper and lower blades on the tissue can be increased, and the tissue can be prevented from slipping off the upper and lower blades.

In some embodiments, the upper and lower blades are curved and have a uniform curvature. In some more specific embodiments, the upper cutter head and the lower cutter head are both slightly bent towards the side, so that in the laparoscopic surgery, when the angle formed by the laparoscope and the instrument is smaller, the tip of the operated cutter head can still be clearly seen by the laparoscope, the misoperation caused by the lack of the visual angle in the laparoscopic surgery is reduced, and the occurrence of surgical complications can be effectively reduced.

In some embodiments, the handle assembly has a rotating wheel at a head end thereof, and the outer tube is fixedly connected to the rotating wheel.

In some specific embodiments, a return spring is further arranged in the holding handle, one end of the return spring is abutted against the movable handle, the other end of the return spring is fixed in the holding handle, and when the movable handle swings relative to the holding handle, the return spring is compressed; so, after loosening movable handle, reset spring then produces reaction force and makes movable handle reset to keep the state that upper cutter head and lower cutter head normally opened.

In some embodiments, the electrode conduit and the smoke exhaust conduit are combined into an integrated conduit system at the end of the handle, the integrated conduit system is separated after leaving the surgical field and the smoke exhaust conduit is connected to the smoke exhaust system, the monopolar lead is connected to the monopolar high frequency energy platform, and the first bipolar lead and the second bipolar lead are connected to the bipolar high frequency energy platform, thereby facilitating the integration and storage of conduits and lines with different functions.

In order to solve the technical problem that the ablation electrode is safe to operate and avoids accidental injury of surrounding tissues, in the novel single-bipolar mixed mode surgical ablation electrode with the smoke absorption measurement function, the outer surfaces of the upper cutter head and the lower cutter head are both designed smoothly and have smooth surfaces, so that the upper cutter head and the lower cutter head can be ensured to effectively enter tissue gaps, the surrounding tissues are prevented from being damaged, meanwhile, blunt separation of target tissue gaps can be facilitated, and the surgical time is effectively shortened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;

FIG. 1 is a schematic overall structure diagram of a surgical ablation electrode with a smoking measurement function in a single-bipolar mixed mode according to an embodiment;

FIG. 2 is a schematic partial structural view (perspective view) of the monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement functionality of FIG. 1;

FIG. 3 is a schematic view showing the curvature of a cutting head of the surgical ablation electrode with smoke measurement function in the single-pole and double-pole mixed mode shown in FIG. 1;

FIG. 4 is a schematic view of a cutting head assembly of the single-pole and double-pole hybrid mode surgical ablation electrode with smoke measurement function shown in FIG. 1;

FIG. 5 is a cross-sectional view of the knife bar assembly of the monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement functionality shown in FIG. 1;

FIG. 6 is a schematic view of the tool holder of the surgical ablation electrode with smoking measurement function in the bipolar-bipolar hybrid mode shown in FIG. 1 (part of the structure is not shown);

FIG. 7 is a schematic structural view of a smoke evacuation assembly of the monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement functionality of FIG. 1;

FIG. 8 is a bottom view of the upper blade of the monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement functionality of FIG. 1;

FIG. 9 is a schematic connection diagram of an electrode system of the monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement functionality of FIG. 1;

FIG. 10 is a schematic view of the integrated tubing system at the end of the handle assembly of the monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement functionality of FIG. 1;

description of reference numerals: 1-a handle assembly; 11-a rotating wheel; 121-outer tube wire contact; 122-a pull rod wire contact; 123-monopolar electrocoagulation switch; 124-single pole electrical cut-off switch; 125-bipolar electrocoagulation switch; 13-an electrode conduit; 133-unipolar wire; 134-a first bipolar wire; 135-a second bipolar lead; 14-a movable handle; 141-movable handle fulcrum; 15-smoke exhaust control switch; 151-push button; 152-a controller base; 16-a return spring; 17-a grip handle; 18-an integrated piping system; 2-a tool bar assembly; 21-a pull rod; 22-a smoke exhaust pipe; 23-an outer tube; 231. 232, 241, 242-smoking fenestration; 24-an outer tube connection section; 25-graduation; 3-a cutter head assembly; 31-upper cutter head; 311, clamping the noodles by an upper cutter head; 32-a lower cutter head; 321-clamping the noodles with a lower cutter head; 33-upper bit insulator; 34-lower bit insulator; 35-a blade; 351-a conductive sheet; 36-a fixed shaft; 37-pull rod axis; 371-insulating rubber; 38-tooth-like convex structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments 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 drawings in the embodiments 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.

Example 1

Shown, this embodiment provides a novel bipolar mixed mode area smoking measurement function operation ablation electrode, by handle components 1, tool bit subassembly 2, cutter arbor subassembly 3, the subassembly of discharging fume, electrode system constitution.

As shown in fig. 1 and 2, the handle assembly 1 comprises a holding handle 17, a movable handle 14, a movable handle fulcrum 141, a return spring 16, a monopolar electrocoagulation switch 123, a monopolar electrocoagulation switch 124 and a bipolar electrocoagulation switch 125, wherein the movable handle fulcrum 141 is positioned inside the holding handle 17, the upper half part of the movable handle 14 is positioned inside the holding handle 17, and the lower half part of the movable handle 14 can swing backwards by taking the movable handle fulcrum 141 as an action point; one end of the return spring 16 abuts on a portion of the movable handle 14 near the movable handle fulcrum 141, and the other end is fixed inside the grip handle 17. The monopolar coagulation switch 123 and the monopolar coagulation switch 124 are located at the holding end of the holding handle 17, and the bipolar coagulation switch 125 is located on the side of the holding handle 17 that is accessible by the thumb.

As shown in fig. 2, 3 and 4, the bit assembly 3 includes an upper bit 31, a lower bit 32, an upper bit insulator 33, a blade 35, and a lower bit insulator 34; the outer surfaces of the upper tool bit 31 and the lower tool bit 32 are both smooth in design, and the surfaces are smooth; here, the blade 35 is located on the gripping surface 311 of the upper tool bit, the gripping surface 321 of the lower tool bit is provided with a recess, the recess is adapted to the shape of the blade 35 of the upper tool bit, the gripping surfaces of the upper tool bit 31 and the lower tool bit 32 are provided with the tooth-like convex structures 38, and the upper tool bit 31 and the lower tool bit 32 are provided with arcs, and the arcs of the upper tool bit 31 and the arcs of the lower tool bit 32 are the same. In this embodiment, the upper tool bit 31 and the lower tool bit 32 are both slightly curved to the side.

As shown in fig. 2, the arbor assembly 2 includes an outer tube 23 and a pull rod 21, the outer tube 23 is used for connecting the tool bit assembly 3 and the holding handle 17, the pull rod 21 is sleeved in the outer tube 23, in this embodiment, the lower tool bit 32 is fixedly connected with the outer tube 23, the end of the upper tool bit 31 is fixed at the head of the pull rod 21 through a pull rod shaft 37, and the fixed shaft 36 is located between the pull rod shaft 37 and the upper tool bit 31 and is fixed with the outer tube 23; the tail part of the pull rod 21 is connected with the movable handle 14 part close to the movable handle fulcrum 141, so that after the movable handle 14 is pulled, the movable handle 14 swings with the movable handle fulcrum 141 as an action point, and the swing of the movable handle 14 enables the pull rod 21 to displace relative to the outer tube 23, so that the closing of the upper cutter head 31 and the lower cutter head 32 is realized; the outer tube 23 comprises an outer tube connecting section 24 connected with the cutter head assembly 3, the diameter of the outer tube connecting section 24 is smaller than that of the outer tube 23, and the outer wall of the outer tube 23 is provided with a scale 25.

As shown in fig. 5, 6 and 7, the smoke evacuation assembly includes

smoke evacuation apertures

231, 232, 241, 242, a smoke evacuation tube 22 communicating with the

smoke evacuation apertures

231, 232, 241, 242, and a smoke evacuation control switch 15 provided on the grip handle 17; wherein the

smoking apertures

231, 232, 241, 242 are located at the step of the connection between the outer tube connecting section 24 and the outer tube 23 and/or the connection between the cutter head assembly 3 and the outer tube connecting section 24, the smoke discharge tube 22 is made of an insulating material, is located below the pull rod 21, passes through the outer tube 23 and the inside of the grip handle 17, and protrudes from the rear of the grip handle 17; the smoke evacuation control switch 15 includes a controller base 152 penetrating the smoke evacuation pipe 22, and a push button 151 disposed in the controller base 152 and pressing on the smoke evacuation pipe, wherein the push button 151 protrudes from the surface of the grip handle 17.

As shown in fig. 5, 8 and 9, the electrode system comprises an electrode conduit 13, a unipolar lead 133, a first bipolar lead 134, a second bipolar lead 135, a pull rod lead contact 122, an outer tube lead contact 121 and a conductive sheet 351; the monopolar lead 133, the first bipolar lead 134 and the second bipolar lead 135 extend out of the electrode wire tube 13, the pull rod lead contact 122 is positioned on the pull rod 21, the outer tube lead contact 121 is positioned on the outer tube 23, the first end of the monopolar lead 133 is connected with the pull rod lead contact 122, the second end of the monopolar lead 133 is connected with the monopolar high-frequency energy platform, the first end of the first bipolar lead 134 is directly connected with the lower tool bit 32 through the interior of the outer tube 23, the second end of the first bipolar lead 134 is connected with the bipolar high-frequency energy platform, the first end of the second bipolar lead 135 is connected with the outer tube lead contact 121, and the second end of the second bipolar lead is connected with the; the conductive sheet 351 is positioned between the pull rod 21 and the blade 35 so that, when energized, current on the pull rod 21 can flow to the blade 35; the unipolar conductor 133, the pull rod conductor contact 122, the conductive sheet 351 and the blade 35 form a unipolar current conduction element; the first bipolar wire 134, the second bipolar wire 135, the upper tool bit 31, the lower tool bit 32 and the outer tube wire contact 121 form a bipolar current conducting element, the monopolar electrocoagulation switch 123 and the monopolar electrocoagulation switch 124 are used for controlling the connection or disconnection of the monopolar current conducting element and the monopolar high-frequency energy platform, and the bipolar electrocoagulation switch 125 is used for controlling the connection or disconnection of the bipolar current conducting element and the bipolar high-frequency energy platform.

In the above-mentioned operation ablation electrode, the electrode system is a single-double pole mixed mode, and is composed of a monopolar electrode system and a bipolar electrode system, and the circuits of the monopolar electrode system and the bipolar electrode system are independent of each other and do not interfere with each other, wherein the monopolar electrode system includes a monopolar current conduction essential element, and the bipolar electrode system includes a bipolar current conduction essential element.

Wherein the monopolar electrode system specifically comprises: unipolar wire 133, pull rod wire contact 122, pull rod 21, pull rod shaft 37, conductive sheet 351, blade 35; since the monopolar high-frequency current output terminal member of the monopolar electrode system is a blade, the monopolar high-frequency current is introduced into the conductive sheet 351 through the pull rod shaft 37 connected to the pull rod 21 and the upper tool bit 31, and finally the monopolar high-frequency current is supplied to the blade 35. In order to prevent the single-pole high-frequency current from generating a creepage phenomenon, the blade 35 and the periphery of the conducting strip 351 are provided with an upper tool bit insulating part 33 for protection; when the upper tool bit 31 and the lower tool bit 32 are closed, the lower tool bit insulating part 34 on the lower tool bit 32 is inosculated with the blade 35; all parts of the pull rod shaft 37, which are in contact with the upper tool bit 31, are protected by insulating rubber, and the parts of the pull rod shaft 37, which have the conductive function, are only reserved at the joint of the pull rod 21 and the pull rod shaft 37 and the joint of the pull rod shaft 37 and the conductive sheet 351, so that a monopolar electrode system is complete.

Bipolar electrode system: a first bipolar lead 134, a second bipolar lead 135, a lower cutter head 32, an outer tube lead contact 121, an upper cutter head 31, a fixed shaft 36 and an outer tube 23; the bipolar high-frequency current generated by the bipolar high-frequency energy platform reaches the lower tool bit 32 after passing through the first bipolar lead 134, when the lower tool bit 32 and the upper tool bit 31 are closed, the lower tool bit clamping surface 321 and the upper tool bit clamping surface 311 form a bipolar high-frequency current loop, the bipolar high-frequency current flows back to the upper tool bit 31 through the lower tool bit 32, and then flows back to the bipolar high-frequency energy platform after passing through the fixed shaft 36, the outer tube 23, the outer tube lead contact 121 and the second bipolar lead 135, so that a bipolar electrode system is formed. In order to prevent the bipolar high-frequency current from generating creepage, the upper tool bit 31 and the lower tool bit 32 are provided with insulating materials except for the acting surface (i.e. the clamping surface), and the connecting parts of the lower tool bit 32 and the outer tube 23 are mutually insulated.

As shown in fig. 2, in the present embodiment, a rotating wheel 11 is disposed at the head end of the handle assembly 1, and the outer tube 23 is fixedly connected to the rotating wheel 11.

As shown in fig. 10, in this embodiment, the electrode line tube 13 and the smoke exhaust tube 22 are gathered into an integrated line system 18 at the end of the holding handle 17, the integrated line system is separated after leaving the operation area, and the smoke exhaust tube is connected with the smoke exhaust system, the unipolar lead is connected with the unipolar high-frequency energy platform, and the first bipolar lead and the second bipolar lead are connected with the bipolar high-frequency energy platform, so that the integration and storage of different functional lines and pipelines are facilitated.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A monopolar and bipolar mixed mode surgical ablation electrode comprising:

handle assembly (1): a holding handle (17), a movable handle (14) which can swing relative to the holding handle (17), a monopolar electrocoagulation switch (123), a monopolar electrocoagulation switch (124) and a bipolar electrocoagulation switch (125);

cutter head assembly (3): an upper cutter head (31), a lower cutter head (32) and a blade (35); the blade (35) is arranged on the clamping surface of the upper tool bit (31);

knife bar assembly (2): an outer tube (23), a pull rod (21); the pull rod (21) is sleeved in the outer pipe (23), the lower cutter head (32) is fixedly connected with the outer pipe (23), the upper cutter head (31) is hinged to the outer pipe (23) and is connected with the movable handle (14) through the pull rod (21), so that when the movable handle (14) swings relative to the holding handle (17), the pull rod (21) can displace relative to the outer pipe (23), and the upper cutter head (31) and the lower cutter head (32) are closed;

an electrode system: a unipolar lead (133), a first bipolar lead (134), a second bipolar lead (135), a pull rod lead contact (122), a conductive tab (351), an outer tube lead contact (121); the single-pole lead (133), the first bipolar lead (134) and the second bipolar lead (135) extend out of the electrode wire tube (13), the pull rod lead contact (122) is located on the pull rod (21), the outer tube lead contact (121) is located on the outer tube (23), the first end of the single-pole lead (133) is connected with the pull rod lead contact (122), the second end of the single-pole lead is connected with the single-pole high-frequency energy platform, the first end of the first bipolar lead (134) is directly connected with the lower tool bit (32) through the inside of the outer tube (23), the second end of the first bipolar lead is connected with the bipolar high-frequency energy platform, the first end of the second bipolar lead (135) is connected with the outer tube lead contact (121), and the second end of the second bipolar high-frequency energy platform is; the conducting strip (351) is positioned between the pull rod (21) and the blade (35), so that current on the pull rod (21) can flow to the blade (35) after the current is electrified; wherein the unipolar lead (133), the pull rod lead contact (122), the conducting strip (351) and the blade (35) form a unipolar current conducting element; the first bipolar lead (134), the second bipolar lead (135), the upper cutter head (31), the lower cutter head (32) and the outer tube lead contact (121) form a bipolar current conduction element;

the monopolar electrocoagulation switch (123) and the monopolar electrocoagulation switch (124) are used for controlling the connection or disconnection of the monopolar current conduction element and the monopolar high-frequency energy platform, and the bipolar electrocoagulation switch (125) is used for controlling the connection or disconnection of the bipolar current conduction element and the bipolar high-frequency energy platform;

the pull rod (21), the outer tube (23) and the first bipolar lead (134) are mutually insulated; the outer surfaces of the upper tool bit (31) and the lower tool bit (32) are insulated, and the upper tool bit (31) and the lower tool bit (32) are insulated when closed.

2. The monopolar and bipolar mixed mode surgical ablation electrode of claim 1, wherein the outer tube (23) comprises an outer tube connecting section (24) connected to the cutting head assembly (3), the outer tube connecting section (24) has a diameter smaller than that of the outer tube (23), and the outer wall of the outer tube (23) is provided with a scale (25).

3. A novel bipolar mixed mode surgical ablation electrode with a smoking measurement function is characterized in that a smoke exhaust component is added on the bipolar mixed mode surgical ablation electrode in claim 2, and the smoke exhaust component comprises a smoking opening hole (231, 232, 241, 242), a smoke exhaust pipe (22) communicated with the smoking opening hole (231, 232, 241, 242), and a smoke exhaust control switch (15) arranged on a holding handle (17); wherein the smoking opening (231, 232, 241, 242) is located at the step of the connection between the outer tube connecting section (24) and the outer tube (23) and/or the connection between the cutter head assembly (3) and the outer tube connecting section (24), and the smoke discharge tube (22) is made of an insulating material, passes through the inside of the outer tube (23) and the grip handle (17), and protrudes from the rear of the grip handle (17).

4. The novel monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement function according to claim 3, wherein the smoke evacuation control switch (15) comprises a controller base (152) which is arranged on the smoke evacuation pipe (22) in a penetrating way, and a push button (151) which is arranged in the controller base (152) and is pressed on the smoke evacuation pipe (22), and the push button (151) protrudes out of the surface of the holding handle (17).

5. The novel monopolar and bipolar mixed mode surgical ablation electrode with a smoking measurement function according to claim 4, wherein the tail end of the upper cutter head (31) is hinged with the head of the pull rod (21) through a pull rod shaft (37), the fixed shaft (36) is located between the pull rod shaft (37) and the upper cutter head (31) and is fixed with the outer tube (23), and when the pull rod (21) is displaced relative to the outer tube (23), the pull rod shaft (37) is correspondingly displaced through the fixed shaft (36), so that the upper cutter head (31) and the lower cutter head (32) are closed.

6. The novel monopolar and bipolar mixed mode surgical ablation electrode with smoke measuring function according to claim 5, wherein said grasping surface of said lower cutting head (32) is provided with a recess adapted to the shape of the blade (35) of said upper cutting head (31).

7. The novel monopolar and bipolar mixed mode surgical ablation electrode with smoke measuring function as claimed in claim 6, wherein said gripping surface of said upper cutter (31) and said gripping surface of said lower cutter (32) are provided with tooth-like protrusions (38).

8. The novel monopolar and bipolar mixed mode surgical ablation electrode with smoke measuring function according to claim 7, wherein the upper cutter head (31) and the lower cutter head (32) are provided with radian degrees which are the same.

9. The novel monopolar and bipolar mixed mode surgical ablation electrode with a smoke measuring function according to claim 8, wherein a return spring (16) is further arranged in the holding handle (17), one end of the return spring (16) is abutted to the movable handle (14), the other end of the return spring is fixed in the holding handle (17), and when the movable handle (14) swings relative to the holding handle (17), the return spring (16) is compressed.

10. The novel monopolar and bipolar mixed mode surgical ablation electrode with smoke measurement function according to claim 9, wherein said electrode conduit (13) and smoke exhaust conduit (22) are merged into an integrated tubing (18) at the end of the gripping handle (17).