CN219000531U - High-frequency closed cutter - Google Patents

Abstract

The utility model relates to a high-frequency closed cutter, which comprises a shell, an operating tube assembly, a smoking pipette, a mode switching assembly and a comprehensive host, wherein the operating tube assembly comprises an outer tube, a first section of the smoking pipette extends out through the outer tube, a second section of the smoking pipette is provided with a rain outer tube, and the smoking pipette penetrates into the mode switching assembly and is used for driving the smoking pipette to linearly move relative to the outer tube so as to switch the smoking pipette between a first position and a second position. The third section of the smoke suction pipe extends out of the shell and is communicated with the filtering system, the gas-liquid driving device can suck smoke into the filtering system through the smoke suction pipe, the smoke is filtered and then discharged through the air outlet, and sucked liquid is collected in the liquid deposition area. This closed cutterbar of high frequency is through setting up operating tube subassembly and mode switching subassembly, realizes switching smoking/imbibition mode, can not cause the secondary wound to the patient, and the exhaust through filterable operation smog can not influence operation personnel in the art, can ensure that the operation goes on smoothly.

Description

High-frequency closed cutter

Technical Field

The utility model relates to the technical field of surgical tools, in particular to a high-frequency closed cutter.

Background

The high-frequency closed cutter is an electrosurgical instrument for cutting tissues instead of a mechanical scalpel, and the tissue is heated when the high-frequency high-voltage current generated by the tip of an effective electrode is contacted with a human body, so that the separation and solidification of the human body tissues are realized, the purposes of cutting and hemostasis are achieved, side effects such as tissue drying and burning cannot be caused in the whole operation process, and the electrosurgical instrument has the characteristics of less bleeding, less damage to surrounding tissues, quick postoperative recovery and the like.

In the related art, the high-frequency closed cutter generally has only a function of cutting closed tissues or sucking tissues while cutting the tissues to generate smoke, if it is required to suck the effusion of the operation site during the operation, it is required to cut the human tissues by using a surgical knife, and then suck the effusion of the operation site by using a pipette, and a plurality of instruments are required to repeatedly enter and exit the operation site during the operation, so that the mode of sucking the effusion may cause secondary trauma to the tympanic membrane, increasing the operation steps and risks.

Disclosure of Invention

Based on this, it is necessary to provide a high-frequency closed cutter having both the functions of cutting closed tissue and sucking smoke, and the operation smoke filtered at the same time does not affect the operator in the operation, so that the smooth operation can be ensured, aiming at the problem that the operation site needs to be cut during the operation and the effusion sucked by using a liquid suction pipe, and a plurality of instruments can be repeatedly moved into and out of the operation site to cause secondary wounds to the patient.

A high frequency closed cutter, the high frequency closed cutter comprising:

a housing;

an operating tube assembly having one end disposed inside the housing and the other end extending distally through the front end of the housing, the operating tube assembly including an outer tube;

at least one smoking pipette comprising a first section, a second section and a third section, the first section extending through the outer tube, the second section being disposed within the outer tube;

the mode switching assembly is arranged on the shell, the smoking liquid suction pipe penetrates through the mode switching assembly, the mode switching assembly is used for driving the smoking liquid suction pipe to linearly move relative to the axial direction of the outer pipe so as to enable the smoking liquid suction pipe to switch between a first position and a second position, the high-frequency closed cutter is in a smoking mode when the smoking liquid suction pipe is in the first position, and the high-frequency closed cutter is in a liquid suction mode when the smoking liquid suction pipe is in the second position;

the integrated host is provided with a gas-liquid treatment module and a gas-liquid driving device, the gas-liquid treatment module comprises a filtering system and a liquid deposition area, the integrated host is further provided with an air outlet, the filtering system is connected with the gas-liquid driving device, and the third section penetrates through the shell and is connected with the gas-liquid treatment module, and the filtering system is communicated with the air outlet.

In one embodiment, the mode switching assembly comprises a mode trigger, a transmission mechanism and a sliding mechanism, the transmission mechanism comprises a first gear, a second gear, a third gear and a fourth gear which are arranged on the same side and form gear transmission, the transmission mechanism further comprises a fifth gear and a transmission rod, the fifth gear is arranged on the other side of the fourth gear through a connecting disc assembly, the transmission rod is arranged in the axial direction of the first gear, the mode trigger is arranged at one end of the transmission rod extending out of the shell, the mode switching assembly further comprises a mounting shell, teeth meshed with the fifth gear are circumferentially arranged on the inner side of the mounting shell, the fifth gear is connected with the sliding mechanism, and the mode trigger is adjusted to enable the fifth gear to rotate along the inner side of the mounting shell so as to drive the sliding mechanism to linearly move along the axial direction of the mounting shell.

In one embodiment, the sliding mechanism comprises a sliding base, a clamping plate and a locking piece, the installation shell is provided with a guide rail, the sliding base is arranged in the guide rail, the clamping plate is arranged on the sliding base, the locking piece is used for locking the clamping plate and used for fixedly penetrating the third section in the shell, and the mode trigger is adjusted to drive the third section to linearly move along the axial direction of the guide rail.

In one embodiment, the operating tube assembly further comprises a grasping forceps tube and a supporting rod arranged in the grasping forceps tube, a hollow rod hole is formed in the supporting rod along the eccentric axis direction, the operating tube assembly further comprises a pushing rod arranged in the rod hole, the high-frequency closed cutter further comprises a handle connected with the shell, the shell is provided with a movable opening, the lower end of the handle extending out of the movable opening is a holding handle, the pushing rod extending into the shell is linked with the handle, one end of the grasping forceps tube, far away from the shell, is connected with grasping forceps, and the handle drives the pushing rod to reciprocate along the axial direction of the rod hole, so that grasping forceps are controlled to complete grasping or loosening actions.

In one embodiment, a clamping groove and a sliding groove extending along the axial direction of the push rod are formed in one end, far away from the shell, of the push rod, connecting shafts parallel to each other are arranged in the clamping groove and the sliding groove, and the push rod controls the grasping forceps to complete grasping or loosening actions through the connecting shafts.

In one embodiment, the grasping forceps comprise a fixed forceps and a movable forceps hinged with the fixed forceps, the grasping forceps are further provided with a conductive assembly, the conductive assembly comprises a mounting forceps head and an electrode plate which are oppositely arranged, and the electrode plate is provided with a plurality of insulating heads.

In one embodiment, a plurality of accommodating grooves are formed in the outer wall of the supporting rod, the operating tube assembly further comprises a cutter bar, the cutter bar is arranged in the accommodating grooves, one end, far away from the shell, of the cutter bar is provided with a vertical cutter head in the radial direction, a trigger is further arranged in the shell, one end of the trigger is arranged in the shell, the other end of the trigger extends out of the movable opening and stretches into the shell, the cutter bar is linked with the trigger, and the trigger controls the cutter bar to reciprocate along the accommodating grooves.

In one embodiment, the operating tube assembly further comprises at least two high-frequency wires, the high-frequency wires are arranged in the accommodating groove, a PCBA board is further arranged in the housing, one end of each high-frequency wire is connected with the corresponding gripper, the other end of each high-frequency wire passes through the front end of the housing and is electrically connected with the PCBA board, a first switch is arranged on the housing and is triggered to be used for starting an electrocoagulation mode of the gripper, the gas-liquid driving device is electrically connected with the PCBA board, and a second switch is further arranged on the housing and is triggered to be used for starting a smoking/imbibition mode of the gas-liquid driving device.

In one embodiment, a rotating wheel is further accommodated in the housing, the operating tube assembly penetrates through the center of the rotating wheel, a limiting piece is arranged between the operating tube assembly and the rotating wheel, rotating windows are oppositely arranged on two axial sides of the housing, and the operating tube assembly is driven to coaxially rotate by the rotating wheel of the rotating windows.

In one embodiment, a comprehensive pipeline is arranged between the comprehensive host and the shell, the comprehensive pipeline comprises an electric wire pipeline and a smoke sucking liquid pipeline, the high-frequency wire is arranged in the electric wire pipeline in a penetrating mode, the smoke sucking liquid pipe is arranged in the smoke sucking liquid pipeline in a penetrating mode, and an energy module is further arranged in the comprehensive host and is electrically connected with the high-frequency wire.

According to the high-frequency closed cutter, the operating tube assembly and the mode switching assembly are arranged in the shell, the operating tube assembly comprises the outer tube, at least one smoking pipette is arranged in the outer tube, the smoking pipette penetrates through the mode switching assembly, and the smoking pipette is driven to linearly move relative to the axial direction of the outer tube by adjusting the mode switching assembly, so that the smoking pipette can switch smoking/pipetting modes. The third section of the smoke suction liquid suction pipe is extended out of the inside of the shell and is communicated with the filtering system in the integrated host, the gas-liquid driving device can suck surgical smoke into the filtering system through the smoke suction liquid suction pipe, impurities and toxic substances are filtered out and then discharged through the air outlet on the integrated host, meanwhile, liquid sucked through the smoke suction liquid suction pipe can be collected into the liquid deposition area in the gas-liquid treatment module, the high-frequency closed cutter cannot cause secondary wounds to patients, and discharged filtered surgical smoke cannot influence operating staff in operation, so that smooth operation can be guaranteed.

Drawings

FIG. 1 is a perspective view of a high frequency closure cutter;

FIG. 2 is a schematic diagram of a mode switch assembly (with the first housing hidden) of the high frequency closed cutter;

FIG. 3 is a schematic view of another perspective structure of a mode switch assembly of the high frequency closed cutter (with the second housing hidden);

FIG. 4 is a schematic diagram of the mode switch assembly (hidden mode trigger) of the high frequency closure cutter;

FIG. 5 is a cross-sectional view of the handle tube assembly;

FIG. 6 is a detail view of the grasper end of the operating tube assembly;

FIG. 7 is a detail view of the grasper end of the handle tube assembly (with the conductive assembly hidden);

fig. 8 is a schematic diagram of the working principle of the integrated host.

Reference numerals: 1. a housing; 11. a movable opening; 12. rotating the window; 13. a first switch; 14. a second switch; 2. operating the tube assembly; 21. an outer tube; 22. a grasper tube; 23. a support rod; 231. a receiving groove; 232. a rod hole; 24. a push rod; 241. a clamping groove; 242. a sliding groove; 243. a connecting shaft; 25. a cutter bar; 251. a cutter head; 26. a high frequency line; 27. a smoking pipette; 3. a mode switching component; 31. a mode trigger; 32. a transmission mechanism; 321. a transmission rod; 322. a first gear; 323. a second gear; 324. a third gear; 325. a fourth gear; 326. a fifth gear; 33. a sliding mechanism; 331. a sliding base; 332. a clamping plate; 333. a locking member; 34. a first housing; 35. a second housing; 36. a land assembly; 361. a first connection plate; 362. a second connection pad; 4. a handle; 5. triggering a trigger; 6. a rotating wheel; 7. gripping tongs; 71. a fixed clamp; 72. a movable clamp; 73. a conductive assembly; 731. installing a clamp head; 732. an electrode sheet; 7321. an insulating head; 8. a comprehensive host; 81. an energy module; 82. a gas-liquid treatment module; 821. a filtration system; 822. a gas-liquid driving device; 823. a liquid deposition zone; 83. an air outlet; 9. a comprehensive pipeline; 91. an electric wire pipeline; 92. a smoke sucking and absorbing pipeline.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The embodiment of the application provides a high-frequency closed cutter. Referring to fig. 1, the high frequency closure cutter comprises a housing 1, an operating tube assembly 2, a mode switching assembly 3, an integrated host 8 and at least one smoking pipette 27.

Wherein one end of the operating tube assembly 2 is arranged inside the shell 1, and the other end extends out from the front end of the shell 1 and extends distally, wherein the operating tube assembly 2 comprises an outer tube 21, the smoking pipette comprises a first section, a second section and a third section, the first section extends out from the outer tube, and the second section is arranged in the outer tube; the mode switching assembly 3 is disposed on the housing 1, the smoking pipette 27 is disposed in the mode switching assembly 3 in a penetrating manner, and the mode switching assembly 3 is configured to drive the smoking pipette 27 to perform a linear motion relative to an axial direction of the outer tube 21, so that the smoking pipette 27 is switched between a first position and a second position.

The high frequency closure cutter is in a smoke extraction mode when the smoke extraction pipette 27 is in the first position and in a liquid extraction mode when the smoke extraction pipette 27 is in the second position; the integrated host 8 is provided with a gas-liquid treatment module 82 and a gas-liquid driving device 822, the gas-liquid treatment module 82 comprises a filtering system 821 and a liquid deposition area 823, the integrated host 8 is also provided with an air outlet 83, the filtering system 821 is connected with the gas-liquid driving device 822, the third section penetrates through the shell 1 and is connected with the gas-liquid treatment module 82, and the filtering system 821 is communicated with the air outlet 83.

The high-frequency closed cutter is characterized in that an operating tube assembly 2 and a mode switching assembly 3 are arranged in a shell 1, wherein the operating tube assembly 2 comprises an outer tube 21, at least one smoking pipette 27 is arranged in the outer tube 21, the smoking pipette 27 penetrates through the mode switching assembly 3, and the mode switching assembly 3 is adjusted to drive the smoking pipette 27 to perform linear motion relative to the axial direction of the outer tube 21, so that the smoking pipette 27 can switch smoking/pipetting modes. The third section of the smoke suction pipette 27 extends out of the casing 1 and is communicated with the filtering system 821 in the integrated host 8, the gas-liquid driving device 822 can suck surgical smoke into the filtering system 821 through the smoke suction pipette 27, impurities and toxic substances are filtered out and then discharged through the air outlet 83 on the integrated host 8, meanwhile, liquid sucked through the smoke suction pipette 27 can be collected into the liquid deposition area 823 in the gas-liquid processing module 82, the high-frequency closed cutter cannot cause secondary wounds to patients, and discharged filtered surgical smoke cannot influence an operator in surgery, so that smooth surgery can be guaranteed.

Referring to fig. 2, 3 and 4, further, the mode switching assembly 3 includes a mode trigger 31, a transmission mechanism 32 and a sliding mechanism 33. The transmission mechanism 32 comprises a first gear 322, a second gear 323, a third gear 324 and a fourth gear 325 which are arranged on the same side and form gear transmission, the transmission mechanism 32 further comprises a fifth gear 326 and a transmission rod 321, the fifth gear 326 is arranged on the other side of the fourth gear 325 through a connecting disc assembly 36, the transmission rod 321 is arranged along the axial direction of the first gear 322, a mode trigger 31 is arranged at one end of the transmission rod 321 extending out of the shell 1, the mode switching assembly 3 further comprises a mounting shell, teeth meshed with the fifth gear 326 are circumferentially arranged on the inner side of the mounting shell, the fifth gear 326 is connected with the sliding mechanism 33, and the mode trigger 31 is adjusted to enable the fifth gear 326 to rotate along the inner side of the mounting shell so as to drive the sliding mechanism 33 to linearly move along the axial direction of the mounting shell.

Specifically, the transmission part in the transmission mechanism 32 includes that first gear 322, second gear 323, third gear 324, fourth gear 325, fifth gear 326 and transfer line 321 all install in the installation shell, be provided with the stopper towards one side of installation shell on the first gear 322, the cover is equipped with the elasticity piece that resets on the transfer line 321, the transfer line 321 stretches out and is provided with the bead on the one end of shell 1, with mode trigger 31 swing joint in transfer line 321 through the bead, when the mode trigger 31 rotates, the elasticity piece that resets cooperates with the stopper for reset after the transfer line 321 rotates. The second gear 323 is provided as an integral and coaxial double gear in which a gear having a smaller outside diameter meshes with the first gear 322, a gear having a larger inside diameter meshes with the third gear 324, and the third gear 324 is also provided as an integral and coaxial double gear in which a gear having a larger outside diameter meshes with the fourth gear 325, and a gear having a smaller inside diameter meshes with the third gear 324. The fourth gear 325 is coupled to the fifth gear 326 via the coupling disc assembly 36.

In this embodiment, the connection pad assembly 36 includes a first connection pad 361 and a second connection pad 362 that are disposed opposite to each other, the installation housing includes a first housing 34 and a second housing 35 that are butt-mounted, wherein the first connection pad 361 is mounted on the first housing 34 of the installation housing, the second connection pad 362 is rotatably connected to the first connection pad 361, a first rotation post is disposed on a side of the second connection pad 362 facing the fifth gear 326, a first insertion hole adapted to the first rotation post is disposed on the fifth gear 326, teeth engaged with the fifth gear 326 are disposed on an inner side of the second housing 35, and when the second connection pad 362 rotates with the fourth gear 325, the fifth gear 326 rotates with the second connection pad 362 in the second housing 35.

The fifth gear 326 is connected to the sliding mechanism 33, specifically, a second rotating post is disposed on a side facing the fifth gear 326, a second inserting hole adapted to the second rotating post is disposed on the sliding mechanism 33, and when the fifth gear 326 rotates in the second housing 35 along with the second connecting disc 362, the sliding mechanism 33 moves linearly along the axial direction of the mounting housing.

Further, the sliding mechanism 33 includes a sliding base 331, a clamping plate 332 and a locking member 333, the second housing 35 is provided with a guide rail 351, the sliding base 331 is installed in the guide rail 351, the clamping plate 332 is installed on the sliding base 331, the locking member 333 is used for locking the clamping plate 332, so as to fix a third section penetrating through the housing 1, and the adjustment mode trigger 31 is used for driving the third section to perform a linear motion along the axial direction of the guide rail 351.

Specifically, a guide rail 351 for the sliding mechanism 33 to linearly reciprocate is disposed on the second housing 35 in the axial direction, and when the sliding base 331 is located at an end of the guide rail 351 away from the grasping forceps 7, the smoking pipette 27 is located at the first position, i.e. the high-frequency closed cutter is in the smoking mode; when the slide base 331 moves along the guide rail 351 towards the direction of the grasper 7, to the end of the guide rail 351 closest to the grasper 7, the first section of the smoking pipette 27 is extended a further distance forward, and the smoking pipette 27 is in the second position, i.e. the high frequency closure cutter is in the pipetting mode.

Further, referring to fig. 5, the operating tube assembly 2 further includes a grasper tube 22 and a support rod 23 disposed within the grasper tube 22, the support rod 23 being provided with a hollow rod hole 232 along an eccentric axis direction, and the operating tube assembly 2 further includes a push rod 24 disposed in the rod hole 232. Referring to fig. 1, the high-frequency closed cutter further includes a handle 4 connected with the housing 1, the housing 1 is formed with a movable opening 11, the lower end of the handle 4 extending out through the movable opening 11 is a holding handle, a push rod 24 extending into the housing 1 is linked with the handle 4, one end of the grasping forceps tube 22 away from the housing 1 is connected with the grasping forceps 7, and the handle 4 drives the push rod 24 to reciprocate along the axial direction of the rod hole 232, so as to control the grasping forceps 7 to complete grasping or loosening actions.

Specifically, the end of the push rod 24 far away from the housing 1 is provided with a clamping groove 241 and a sliding groove 242 extending along the axial direction of the push rod 24, connecting shafts 243 parallel to each other are arranged in the clamping groove 241 and the sliding groove 242, and the push rod 24 controls the grasping forceps 7 to complete grasping or loosening actions through the connecting shafts 243.

In this embodiment, the movable opening 11 is usually disposed on the handle side of the thin end of the housing 1 for convenience of operation, and one end of the handle 4 extending into the housing 1 is connected to the housing 1, so that the handle 4 can rotate slightly with the connection point as a rotation end point. The outer tube 21 is connected with a grasping forceps 7 at one end far away from the shell 1, in actual operation, the grasping handles 4 are used for grasping the handles to be close to the handle side of the thin end of the shell 1, and the push rod 24 is driven to linearly move along the rod hole 232 to be close to the handle side of the thin end of the shell 1, so that the grasping forceps 7 perform grasping actions; when the handle 4 is released, the push rod 24 moves in the same way, and the push rod 24 is far away from the handle side of the thin end of the shell 1, so that the grasping forceps 7 can perform loosening action.

Further, referring to fig. 6 and 7, the grasping forceps 7 includes a fixed forceps 71 and a movable forceps 72 hinged to the fixed forceps 71, a conductive assembly 73 is further provided on the grasping forceps 7, the conductive assembly 73 includes a mounting forceps head 731 and an electrode plate 732 which are oppositely arranged, and a plurality of insulating heads 7321 are provided on the electrode plate 732.

Specifically, the fixed pliers 71 and the movable pliers 72 are both provided with conductive assemblies 73, the conductive assemblies 73 comprise movably connected mounting pliers heads 731 and electrode plates 732, the electrode plates 732 are electrically connected with the high-frequency wires 26, and in this embodiment, the mounting pliers heads 731 are in clamping connection with the electrode plates 732 through matching of the protruding blocks arranged in the mounting pliers heads 731 with the grooves on two sides of the electrode plates 732. A plurality of sets of spacing grooves are oppositely arranged on the electrode plates 732 on the fixed clamp 71 and the movable clamp 72, and a plurality of insulating heads 7321 are arranged on the plate surface of one side electrode plate 732 without the spacing grooves.

The spacing grooves are provided here in order to reduce the contact area between the clamped tissue and the electrode pads 732 when the grasper 7 is in a grasped state, preventing tissue from adhering to the grasper 7, interfering with the surgical procedure. The insulating head 7321 may be made of a common insulating material, such as marble, ceramic, glass, etc., where ceramic is selected, and a plurality of insulating heads 7321 are provided on one electrode piece 732 in order to prevent the two electrode pieces 732 having different polarities from directly contacting each other, so that the tissue cannot be cut. The grasper 7 in the present embodiment is not limited to the grasper 7 shown in the drawings, and may be replaced according to actual requirements of the operation.

Further, referring to fig. 5, a plurality of accommodating grooves 231 are provided on the outer wall of the supporting rod 23, the operating tube assembly 2 further comprises at least two high-frequency wires 26, the high-frequency wires 26 are arranged in the accommodating grooves 231, a PCBA plate is further provided in the housing 1, one end of each high-frequency wire 26 is connected with the grasping forceps 7, and the other end of each high-frequency wire enters into electrical connection with the PCBA plate through the front end of the housing 1. Specifically, in this embodiment, two high-frequency wires 26 are provided, and the high-frequency wires 26 can provide energy for electrosurgery for the grasper 7, so that when the tissues clamped by the grasper 7 are combined by combining mechanical clamping force, the tissues are sealed and stopped, and then the transverse cutting is completed.

Further, the operating tube assembly 2 further comprises a cutter bar 25, the cutter bar 25 is arranged in the accommodating groove 231, a vertical cutter head 251 is arranged at one end, far away from the shell 1, of the cutter bar 25 in the radial direction, a trigger 5 is further arranged in the shell 1, one end of the trigger 5 is arranged inside the shell 1, the other end of the trigger 5 extends out through the movable opening 11, the cutter bar 25 extending into the shell 1 is linked with the trigger 5, and the trigger 5 controls the cutter bar 25 to reciprocate along the accommodating groove 231.

Specifically, trigger 5 one end sets up in shell 1 inside, and trigger 5 both sides that are close to shell 1 movable port 11 are through setting up the hinge post, make trigger 5 can regard the hinge post as the axle rotation. When the operator can press the trigger 5 with the index finger to rotate the trigger 5 toward the handle side of the thin end of the housing 1, the upper end of the trigger 5 drives the cutter bar 25 to extend along the accommodating groove 231 toward the grasping forceps 7 to cut the clamped tissue. The handle 4 is provided with the lug on one side of touching trigger 5, sets up the lug and can make handle 4 and trigger 5 block to realize that both rotate in coordination.

Further, the casing 1 is further provided with a rotating wheel 6, the operating tube assembly 2 passes through the center of the rotating wheel 6, a limiting piece is arranged between the operating tube assembly 2 and the rotating wheel 6, rotating windows 12 are oppositely arranged on two axial sides of the casing 1, and the operating tube assembly 2 is driven to coaxially rotate by the rotating wheel 6 of the rotating windows 12. Specifically, the rotating wheel 65 rotates the operating tube assembly 22 about the axis "B-B" in a range of 0 to 330.

Referring to fig. 1, in this embodiment, a shell 1 is configured as a gun-shaped shell, a side of a thin end handle of the shell 1 facing a handle 4 is provided with a first switch 13, a side of the handle 4 facing the first switch 13 is provided with a corresponding pressing bump, and when in operation, the pressing bump is used for activating the first switch 13 by holding the handle 4, so as to start an electric coagulation mode of the grasping forceps 7, and heat bleeding and moist tissues.

The gas-liquid driving device 822 is electrically connected with the PCBA board, the shell 1 is further provided with a second switch 14, and the second switch 14 is triggered to be used for starting the gas-liquid driving device 822 to smoke/suck the liquid.

Referring to fig. 8, a comprehensive pipeline 9 is arranged between the comprehensive host 8 and the shell, the comprehensive pipeline 9 comprises an electric wire pipeline 91 and a smoke sucking and absorbing pipeline 92, the high-frequency wire 26 is arranged in the electric wire pipeline 91 in a penetrating mode, the smoke sucking and absorbing pipe 27 is arranged in the smoke sucking and absorbing pipeline 92 in a penetrating mode, and an energy module 81 is further arranged in the comprehensive host 8 and is electrically connected with the high-frequency wire 26.

Further, the gas-liquid driving device 822 may be a wind wheel device, and the wind wheel device may drive the gas to move when operating so as to form a gas flow. The integrated host 8 can provide different power modes of the high frequency closed cutter, the filtration system 821 provides filtration and selection of different flue gas flow rates, and in practice, a multi-layered medical HEPA filtration system 821 can be selected.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A high frequency closure cutter, the high frequency closure cutter comprising:

a housing (1);

an operation tube assembly (2), wherein one end of the operation tube assembly (2) is arranged in the shell (1), the other end of the operation tube assembly extends out from the front end of the shell (1) and extends distally, and the operation tube assembly (2) comprises an outer tube (21);

-at least one smoking pipette (27), the smoking pipette (27) comprising a first section, a second section and a third section, the first section protruding through the outer tube (21), the second section being arranged within the outer tube (21);

the mode switching assembly (3), the mode switching assembly (3) is arranged on the shell (1), the smoking pipette (27) penetrates through the mode switching assembly (3), the mode switching assembly (3) is used for driving the smoking pipette (27) to linearly move relative to the axial direction of the outer tube (21) so as to enable the smoking pipette (27) to switch between a first position and a second position, the high-frequency closed cutter is in a smoking mode when the smoking pipette (27) is in the first position, and the high-frequency closed cutter is in a liquid sucking mode when the smoking pipette (27) is in the second position;

synthesize host computer (8), be provided with gas-liquid processing module (82) and gas-liquid drive arrangement (822) in synthesizing host computer (8), gas-liquid processing module (82) include filtration system (821) and liquid deposition district (823), synthesize host computer (8) still be provided with air outlet (83), filtration system (821) with gas-liquid drive arrangement (822) are connected, the third section wear to locate shell (1) and connect in gas-liquid processing module (82), filtration system (821) with air outlet (83) intercommunication.

2. The high-frequency closed cutter according to claim 1, wherein the mode switching assembly (3) comprises a mode trigger (31), a transmission mechanism (32) and a sliding mechanism (33), the transmission mechanism (32) comprises a first gear (322), a second gear (323), a third gear (324) and a fourth gear (325) which are arranged on the same side and form gear transmission, the transmission mechanism (32) further comprises a fifth gear (326) and a transmission rod (321), the fifth gear (326) is arranged on the other side of the fourth gear (325) through a connecting disc assembly (36), the transmission rod (321) is arranged along the axial direction of the first gear (322), one end of the transmission rod (321) extending out of the outer shell (1) is provided with the mode trigger (31), the mode switching assembly (3) further comprises a mounting shell, the inner side of the mounting shell is circumferentially provided with teeth meshed with the fifth gear (326), the fifth gear (326) is connected with the sliding mechanism (33), and the mode trigger (31) is adjusted to enable the fifth gear (326) to move linearly along the inner side of the mounting shell (33).

3. The high-frequency closed cutter according to claim 2, wherein the sliding mechanism (33) comprises a sliding base (331), a clamping plate (332) and a locking member (333), the mounting housing is provided with a guide rail (351), the sliding base (331) is mounted in the guide rail (351), the clamping plate (332) is mounted in the sliding base (331), the locking member (333) is used for locking the clamping plate (332) so as to fix the third section penetrating through the housing (1), and the mode trigger (31) is adjusted so as to drive the third section to perform linear movement along the axial direction of the guide rail (351).

4. The high-frequency closed cutter according to claim 1, wherein the operating tube assembly (2) further comprises a grasping forceps tube (22) and a supporting rod (23) arranged in the grasping forceps tube (22), the supporting rod (23) is provided with a hollow rod hole (232) along the eccentric axis direction, the operating tube assembly (2) further comprises a push rod (24) arranged in the rod hole (232), the high-frequency closed cutter further comprises a handle (4) connected with the housing (1), the housing (1) is provided with a movable opening (11), the lower end of the handle (4) extending out of the movable opening (11) is a holding handle, the push rod (24) extending into the housing (1) is linked with the handle (4), one end of the grasping forceps tube (22) is connected with a grasping forceps (7) away from the housing (1), and the handle (4) drives the push rod (24) to do reciprocating motion along the axis direction of the rod hole (232), so that the grasping or loosening actions of the grasping forceps (7) are controlled.

5. The high-frequency closed cutter according to claim 4, wherein the end of the push rod (24) far away from the housing (1) is provided with a clamping groove (241) and a sliding groove (242) extending along the axial direction of the push rod (24), connecting shafts (243) parallel to each other are arranged in the clamping groove (241) and the sliding groove (242), and the push rod (24) controls the grasping forceps (7) to complete grasping or loosening actions through the connecting shafts (243).

6. The high-frequency closed cutter according to claim 4, wherein the grasping forceps (7) comprise a fixed forceps (71) and a movable forceps (72) hinged with the fixed forceps (71), the grasping forceps (7) are further provided with a conductive component (73), the conductive component (73) comprises a mounting forceps head (731) and an electrode plate (732) which are oppositely arranged, and the electrode plate (732) is provided with a plurality of insulating heads (7321).

7. The high-frequency closed cutter according to claim 4, wherein a plurality of accommodating grooves (231) are formed in the outer wall of the supporting rod (23), the operating tube assembly (2) further comprises a cutter bar (25), the cutter bar (25) is arranged in the accommodating grooves (231), a vertical cutter head (251) is arranged at one end, away from the housing (1), of the cutter bar (25) in the radial direction, a trigger (5) is further arranged in the housing (1), one end of the trigger (5) is arranged inside the housing (1), the other end of the trigger (5) extends out through the movable opening (11), the cutter bar (25) extending into the housing (1) is linked with the trigger (5), and the trigger (5) controls the cutter bar (25) to reciprocate along the accommodating grooves (231).

8. The high-frequency closed cutter according to claim 7, wherein the operating tube assembly (2) further comprises at least two high-frequency wires (26), the high-frequency wires (26) are arranged in the accommodating groove (231), a PCBA plate is further arranged in the housing (1), one end of each high-frequency wire (26) is connected with the corresponding grasper (7), the other end of each high-frequency wire enters the electrical connection with the PCBA plate through the front end of the housing (1), a first switch (13) is arranged on the housing (1), the first switch (13) is triggered to be used for starting the grasper (7) in an electrocoagulation mode, the gas-liquid driving device (822) is electrically connected with the PCBA plate, and a second switch (14) is further arranged in the housing (1) and is triggered to be used for starting the gas-liquid driving device (822) in a smoke/liquid suction mode.

9. The high-frequency closed cutter according to claim 7, wherein a rotating wheel (6) is further contained in the housing (1), the operating tube assembly (2) passes through the center of the rotating wheel (6), a limiting piece is arranged between the operating tube assembly (2) and the rotating wheel (6), rotating windows (12) are oppositely arranged on two axial sides of the housing (1), and the operating tube assembly (2) is driven to coaxially rotate by the rotating wheel (6) of the rotating windows (12).

10. The high-frequency closed cutter according to claim 8, wherein a comprehensive pipeline (9) is arranged between the comprehensive host machine (8) and the shell (1), the comprehensive pipeline (9) comprises an electric wire pipeline (91) and a smoking liquid suction pipeline (92), the high-frequency wire (26) is arranged in the electric wire pipeline (91) in a penetrating mode, the smoking liquid suction pipe (27) is arranged in the smoking liquid suction pipeline (92) in a penetrating mode, and an energy module (81) is further arranged in the comprehensive host machine (8), and the energy module (81) is electrically connected with the high-frequency wire (26).

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