CN221013445U

CN221013445U - Plasma operation electrode with controllable cutter head angle

Info

Publication number: CN221013445U
Application number: CN202322175408.XU
Authority: CN
Inventors: 郭毅军; 王永贤; 刘君
Original assignee: Chongqing Xishan Science and Technology Co Ltd
Current assignee: Chongqing Xishan Science and Technology Co Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-05-28
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses a plasma operation electrode with a controllable cutter head angle, which comprises a handle, a cutter bar assembly, an electrode cutter head and a traction assembly, wherein the cutter bar assembly comprises a base tube and a bending tube, one end of the base tube is communicated with the handle, and the other end of the base tube is communicated with the bending tube; the electrode tool bit is connected to one end of the bending tube far away from the base tube; the traction component penetrates through the cutter bar component, one end of the traction component is connected with the handle, and the other end of the traction component penetrates through the inside of the base tube and is connected with the bending tube; the traction component is used for adjusting the angle of the electrode tool bit by controlling the bending degree of the bending tube. The utility model provides a plasma operation electrode with a controllable cutter head angle, which solves the problem that the existing plasma operation electrode cannot adjust the angle of an electrode cutter head.

Description

Plasma operation electrode with controllable cutter head angle

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a plasma operation electrode with a controllable cutter head angle.

Background

The plasma operation electrode is an electrosurgical knife utilizing low-temperature plasma technology, can be used for soft tissue dissection, excision, ablation, hemostasis and dryness in surgical operation, and can be matched with an endoscope to perform minimally invasive operation.

The electrode cutter head of the existing plasma operation electrode is usually fixedly arranged at the front end of the cutter bar, so that the angle of the electrode cutter head cannot be adjusted according to the needs; if the position of the focus tissue is inconsistent with the angle of the operation electrode, the operation electrode must be held by hand to move or change the position, or electrode tool bits with different angles are replaced, so that the focus tissue may be affected to non-focus tissue, and wrong cutting and multiple cutting are caused, and the focus tissue may not be accurately positioned to have adverse effects such as missed cutting. In addition, the whole process has large injury area of the operation part, long operation time and large injury to patients.

Disclosure of utility model

The utility model mainly aims to provide a plasma operation electrode with a controllable cutter head angle, which aims to solve the problem that the existing plasma operation electrode cannot adjust the electrode cutter head angle.

In order to achieve the above object, the present utility model provides a plasma operation electrode with a controllable cutter head angle, comprising:

A handle;

The cutter bar assembly comprises a base tube and a bending tube, one end of the base tube is communicated with the handle, and the other end of the base tube is communicated with the bending tube;

The electrode tool bit is connected to one end of the bending tube far away from the base tube; and

The traction component penetrates through the cutter bar component, one end of the traction component is connected with the handle, and the other end of the traction component penetrates through the inside of the base tube and is connected with the bending tube; the traction component is used for adjusting the angle of the electrode tool bit by controlling the bending degree of the bending tube.

Optionally, in an embodiment of the utility model, the curved tube is a flexible tube.

Optionally, in an embodiment of the present utility model, a hole is provided on a wall of the bending tube along an axial direction of the bending tube, and the pulling component extends from the base tube to an end of the bending tube away from the base tube through the hole after extending out of the base tube.

Optionally, in an embodiment of the present utility model, the curved tube includes:

the front end is connected with the electrode tool bit;

the rear end is connected with the base pipe; and

The pipe body is arranged between the front end and the rear end, and the through holes are formed in the pipe wall of the pipe body along the axial direction of the pipe body.

Optionally, in an embodiment of the present utility model, the pipe body includes a plurality of subsections connected in sequence, and each subsection is provided with the through hole for the pulling component to penetrate.

Optionally, in an embodiment of the present utility model, a fixing groove is further provided on an outer periphery of the front end, and the pulling component is wound on the fixing groove after penetrating out from the through hole.

Optionally, in an embodiment of the present utility model, a hose is further sleeved on the outer part of the bending tube, and the hose extends from the front end to the rear end to cover the bending tube.

Optionally, in an embodiment of the present utility model, the pulling assembly includes an upper pulling wire and a lower pulling wire, which are oppositely disposed along a first radial direction of the cutter bar assembly.

Optionally, in an embodiment of the present utility model, the pulling assembly further includes a left pulling wire and a right pulling wire, the left pulling wire and the right pulling wire are oppositely disposed along a second radial direction of the cutter bar assembly, and the second radial direction is perpendicular to the first radial direction.

Optionally, in an embodiment of the present utility model, the plasma surgical electrode with controllable tool bit angle further includes a control knob, where the control knob is disposed on the handle and connected with the pulling component, so as to control pulling or releasing of the pulling component.

Optionally, in an embodiment of the present utility model, the handle is provided with a liquid injection port, the plasma operation electrode with a controllable tool bit angle further includes a liquid injection tube, the liquid injection tube is disposed in the cutter bar assembly, one end of the liquid injection tube extends to the handle to be communicated with the liquid injection port, and the other end of the liquid injection tube is connected with the electrode tool bit.

Optionally, in an embodiment of the present utility model, the handle is provided with a suction port, the plasma operation electrode with a controllable tool bit angle further includes a suction tube, the suction tube is disposed in the cutter bar assembly, one end of the suction tube extends to the handle to be communicated with the suction port, and the other end of the suction tube is connected with the electrode tool bit.

Optionally, in an embodiment of the present utility model, an electrical interface is further provided on the handle, an electrical wire is provided in the cutter bar assembly, and one end of the electrical wire passes through the electrical interface and is used for being connected with an external plasma generator, and the other end of the electrical wire is connected with the electrode cutter.

Compared with the prior art, in the technical scheme provided by the utility model, the cutter bar assembly comprises the base tube and the bending tube, and the electrode cutter head is arranged at one end of the bending tube far away from the handle, so that the adjustment of different angles of the electrode cutter head can be realized through the bending of the bending tube towards different directions; in addition, in order to adjust the bending direction of the bending tube, a pulling assembly can be arranged in the cutter bar assembly in a penetrating way, and one end of the pulling assembly is connected with the handle, and the other end of the pulling assembly penetrates through the inside of the base tube to be connected with the bending tube; therefore, the deflection angle of the electrode tool bit can be changed by adjusting the bending or stretching state of the bending tube, so that the plasma operation electrode can be applied to an operation requiring bending of the electrode tool bit, and the application range of the electrode operation electrode is widened.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a plasma surgical electrode with a controllable tool bit angle according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view showing the internal structure of a cutter bar assembly in an embodiment of a tool bit angle controllable plasma surgical electrode according to the present utility model;

FIG. 3 is a schematic view of a curved tube in an embodiment of a plasma surgical electrode with a controllable tool bit angle according to the present utility model;

FIG. 4 is a side view of a curved tube in one embodiment of a steerable tool tip angle plasma surgical electrode according to the present utility model;

FIG. 5 is a schematic view showing the internal structure of a base pipe in an embodiment of a plasma operation electrode with a controllable cutter head angle according to the present utility model;

FIG. 6 is a schematic view of an electrode tip at different angles in an embodiment of a controllable angle plasma surgical electrode according to the present utility model;

FIG. 7 is a schematic view of a handle in an embodiment of a plasma-surgical electrode with a controllable tool bit angle according to the present utility model.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Handle	230	Flexible pipe
110	Liquid filling port	240	Electrical lead
				120	Suction port	300	Electrode tool bit
130	Electrical interface	400	Pulling assembly
				200	Cutter bar assembly	410	Upper traction steel wire
210	Base pipe	420	Lower traction steel wire
				220	Curved tube	430	Left-pulling steel wire
221	Front end	440	Right-pulling steel wire
				2211	Fixing groove	500	Control knob
223	Pipe body	600	Liquid injection pipe
				2231	Perforation	700	Suction tube
225	Rear end

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; 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 addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Based on the above, the utility model provides the plasma operation electrode with the controllable cutter head angle, the cutter bar assembly is divided into the base body tube and the bending tube, and the traction assembly is further arranged, so that the bending tube bends or stretches towards a certain direction under the action of the traction assembly, and the deflection angle of the electrode cutter head is further adjusted, so that the plasma operation electrode can be applied to an operation requiring bending of the electrode cutter head, and the application range of the electrode operation electrode is widened.

As shown in fig. 1-7, the plasma operation electrode with the controllable cutter head angle comprises:

A handle 100;

The cutter bar assembly 200, the cutter bar assembly 200 includes a base pipe 210 and a bending pipe 220, one end of the base pipe 210 is communicated with the handle 100, and the other end is communicated with the bending pipe 220;

Electrode tip 300 connected to an end of curved tube 220 remote from base tube 210; and

The pulling assembly 400 penetrates through the cutter bar assembly 200, one end of the pulling assembly 400 is connected with the handle 100, and the other end penetrates through the inside of the base tube 210 and is connected with the bending tube 220; the pulling assembly is used to adjust the angle of electrode tip 300 by controlling the curvature of curved tube 220.

In the technical solution adopted in this embodiment, the cutter bar assembly 200 includes a base tube 210 and a bending tube 220, and an electrode cutter head 300 is disposed at one end of the bending tube 220 far away from the handle 100, and different angles of the electrode cutter head 300 can be adjusted by bending the bending tube 220 in different directions; in addition, in order to adjust the bending direction of the bending tube 220, a pulling assembly 400 may be provided inside the cutter bar assembly 200, and one end of the pulling assembly 400 is connected to the handle 100, and the other end is connected to the bending tube 220 by passing through the inside of the base tube 210; therefore, the bending degree of the bending tube 220 can be adjusted to change the deflection angle of the electrode tool bit 300, so that the plasma operation electrode can be applied to the operation requiring the electrode tool bit 300 to bend, which is beneficial to widening the application range.

Specifically, the material of the base pipe 210 in the cutter bar assembly 200 is not particularly limited, and may be, for example, a soft material or a hard material; in order to facilitate the operation of the doctor and the storage of the plasma operation electrode, it is preferable that the base pipe 210 has a certain flexibility, so that the doctor can bend the cutter bar assembly 200 according to the actual needs, and can also store the plasma operation electrode conveniently when not using the plasma operation electrode. Further, when the base pipe 210 is made of soft material, a spiral metal pipe may be further disposed inside the base pipe 210, and by attaching the spiral metal pipe to the inner wall of the base pipe 210, a certain supporting force may be provided for the base pipe 210, so as to provide a certain strength to the base pipe 210. The material of the bending tube 220 is not particularly limited, as long as the angle of the electrode tip 300 can be adjusted by bending or stretching the bending tube 220. In the present embodiment, the structure of the pulling assembly 400 is not particularly limited, and may be, for example, a pulling rope that is fastened to the electrode tip 300, or a pulling hook that is engaged with the electrode tip 300, as long as the electrode tip 300 can be driven to bend in different directions. In the present embodiment, the connection method between electrode tip 300 and cutter bar assembly 200 is not particularly limited, and may be, for example, a fixed connection method such as welding or a detachable connection method such as a snap-fit connection.

Optionally, in an embodiment of the present utility model, in order to facilitate a doctor performing a surgical procedure, it is preferable that the bending tube 220 is a flexible tube, for example, the bending tube 220 may be made of silicone or polyurethane, so that the bending tube 220 may be bent arbitrarily during the surgical procedure, which is beneficial to improving the surgical efficiency.

Alternatively, as shown in fig. 2-4, in order to fix the pulling assembly 400 so as to drive bending or stretching of the bending tube 220, it is preferable that a perforation 2231 is provided on the tube wall of the bending tube 220 along the axial direction thereof, and one end of the pulling assembly 400 is fixed to the handle 100, and the other end extends from the base tube 210, through the perforation 2231, and extends to the end of the bending tube 220 away from the base tube 210.

Alternatively, as shown in fig. 2-4, in one embodiment of the present utility model, curved tube 220 comprises:

front end 221 connected to electrode tip 300;

A rear end 225 connected to the base pipe 210; and

The pipe body 223 is arranged between the front end 221 and the rear end 225, and a perforation 2231 is arranged on the pipe wall of the pipe body 223 along the axial direction.

Specifically, the front end 221 of the bending tube 220 may be fixedly connected to the electrode tip 300, or may be detachably connected to the electrode tip 300, and preferably, the front end 221 is connected to the electrode tip 300 in a clamping manner, which is beneficial to simplifying the disassembly and assembly process of the electrode tip 300 and the bending tube 220. Likewise, the rear end 225 of the curved tube 220 may be fixedly connected to the base tube 210 or detachably connected to the base tube 210, preferably, the rear end 225 and the base tube 210 are connected by a clamping connection, for example, a step may be provided at the rear end 225, and an annular clamping groove is provided on an inner wall of an end of the base tube 210 near the curved tube 220, and the assembly process of the base tube 210 and the curved tube 220 may be simplified by clamping the step in the annular clamping groove to fix the base tube 210 and the curved tube 220. In another embodiment, the tube 223 preferably includes a plurality of subsections connected in sequence, and a perforation 2231 is provided in an axial direction of each subsection, such that the pulling assembly 400 is fixed to the front end 221 after sequentially inserting the plurality of perforations 2231. Further, to facilitate fixing the pulling assembly 400, a fixing groove 2211 may be further provided on the outer circumference of the front end 221, and preferably, the fixing groove 2211 is ring-shaped, so that the pulling assembly 400 may be wound around the fixing groove 2211 after passing through the through hole 2231.

Alternatively, as shown in fig. 2, in an embodiment of the present utility model, in consideration of the necessity of inserting the bending tube 220 into the human body at the time of performing the operation, in order to facilitate the insertion and extraction of the bending tube 220, a flexible tube 230 may be further sleeved outside the bending tube 220, and preferably, the flexible tube 230 is extended from the front end 221 to the rear end 225, thereby completely covering the entire bending tube 220.

Alternatively, as shown in fig. 5 and 6, in an embodiment of the present utility model, in order to facilitate adjustment of the rotation angle of the electrode tip 300, the drawing assembly 400 is divided into an upper drawing wire 410 and a lower drawing wire 420, and bending of the electrode tip 300 in the a-direction and the B-direction can be achieved by the opposite arrangement of the upper drawing wire 410 and the lower drawing wire 420 along the first radial direction of the cutter bar assembly 200. Specifically, when it is desired that the electrode tip 300 be bent in the a direction, the length of the lower drawing wire 420 may be lengthened while shortening the length of the upper drawing wire 410, so that the bending tube 220 is bent in the a direction by the upper drawing wire 410 and the lower drawing wire 420; conversely, when it is desired that the electrode tip 300 be bent in the B direction, the length of the upper drawing wire 410 may be extended while shortening the length of the lower drawing wire 420, so that the bending tube 220 is bent in the B direction by the upper drawing wire 410 and the lower drawing wire 420; thereby realizing the adjustment of the deflection angle of the electrode tip 300 in the up-down direction.

Alternatively, as shown in fig. 5 and 6, in an embodiment of the present utility model, in order to adjust the electrode tip 300 in the left-right direction, the drawing assembly 400 is divided into a left drawing wire 430 and a right drawing wire 440, and bending of the electrode tip 300 in the C-direction and the D-direction may be achieved by the left drawing wire 430 and the right drawing wire 440 being disposed opposite to each other in the second radial direction of the cutter bar assembly 200, and the second radial direction being perpendicular to the first radial direction. Specifically, when it is desired that the electrode tip 300 be bent in the C direction, the length of the right drawing wire 440 may be extended while shortening the length of the left drawing wire 430, so that the bending tube 220 is bent in the C direction by the left drawing wire 430 and the right drawing wire 440; conversely, when it is desired that the electrode tip 300 be bent in the D direction, the length of the left drawing wire 430 may be lengthened while shortening the length of the right drawing wire 440, so that the bending tube 220 is bent in the D direction by the left drawing wire 430 and the right drawing wire 440; thereby realizing the adjustment of the deflection angle of the electrode tip 300 in the left and right directions. In this way, by the action of the four traction wires, the bending tube 220 can be bent to different degrees in the four directions of up, down, left and right, and the deflection angle of the electrode tool bit 300 in the four directions of up, down, left and right can be adjusted, so that the plasma operation electrode can be applied to various operations requiring bending of the electrode tool bit 300.

Optionally, as shown in fig. 6 and 7, in an embodiment of the present utility model, in order to facilitate controlling the shortening and lengthening of the pulling assembly 400, a control knob 500 may be further disposed in the plasma operation electrode, and by disposing the control knob 500 on the handle 100 and connecting with the pulling assembly 400, the shortening or lengthening of the pulling assembly 400 in a specific direction may be controlled, thereby achieving the adjustment of the deflection angle of the electrode tip 300. It should be noted that the specific connection manner of the control knob 500 and the pulling assembly 400 is not particularly limited, and may be, for example, a winding type of the control knob 500. Preferably, the control knob 500 is provided with an upper and lower angle knob and a left and right angle knob, the lengths of the upper pulling wire 410 and the lower pulling wire 420 are adjusted through the upper and lower angle knob, and the lengths of the left pulling wire 430 and the right pulling wire 440 are adjusted through the left and right angle knob, so that a plasma operation electrode can meet the requirement of multi-angle operation, the multi-angle applicability of the plasma operation electrode is improved, the time waste caused by changing the operation electrode due to the angle problem in the operation process is avoided, and the pain of a patient is reduced.

Optionally, as shown in fig. 5 and 7, in an embodiment of the present utility model, in order to provide a liquid environment in which the electrode tip 300 works and conduct between two electrodes in the electrode tip 300 to form an electrical circuit, a liquid injection port 110 is provided on the handle 100, a liquid injection tube 600 communicating with the liquid injection port 110 is provided in the cutter bar assembly 200, and one end of the liquid injection tube 600 extends to the handle 100, and the other end is connected to the electrode tip 300, so that a liquid such as physiological saline can be injected into the liquid injection tube 600 from the liquid injection port 110, and then reaches the electrode tip 300, so that not only can the electrode tip 300 be flushed, but also the two electrodes can be conducted.

Optionally, as shown in fig. 5 and 7, in an embodiment of the present utility model, in order to timely guide out the blood generated in the electrode tip 300, a suction port 120 is provided on the handle 100, and a suction tube 700 communicating with the suction port 120 is provided in the cutter bar assembly 200, and one end of the suction tube 700 extends to the handle 100, and the other end is connected to the electrode tip 300, so that the blood and the residual tissue generated at the electrode tip 300 during the operation can be timely sucked to the suction port 120 through the suction tube 700, and further guided out of the body.

Optionally, as shown in fig. 5 and 7, in one embodiment of the present utility model, in order to provide the plasma required for the operation of the plasma operation electrode, an electrical interface 130 may be further provided on the handle 100, and an electrical lead 240 may be provided inside the cutter bar assembly 200; preferably, both the electrical interface 130 and the electrical wires 240 are provided, and one ends of the two electrical wires 240 are respectively connected with the positive and negative poles of the external plasma generator after passing out through the electrical interface 130, and the other ends are connected with the electrode tip 300, so that a plasma state is formed near the electrode tip 300 after the plasma generator outputs high frequency energy, providing a working environment for the operation process thereof.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A plasma surgical electrode with a controllable tool bit angle, comprising:

A handle;

2. The angle-controllable plasma surgical electrode of claim 1, wherein said curved tube is a flexible tube.

3. The plasma operation electrode with controllable tool bit angle as claimed in claim 1, wherein a perforation is provided on a wall of the bending tube along an axial direction thereof, and the pulling assembly extends from the base tube through the perforation to an end of the bending tube away from the base tube.

4. The tool bit angle controllable plasma surgical electrode of claim 3, wherein said curved tube comprises:

the front end is connected with the electrode tool bit;

the rear end is connected with the base pipe; and

5. The plasma surgical electrode of claim 4, wherein the tube comprises a plurality of subsections connected in sequence, and each subsection is provided with the perforation for the penetration of the pulling assembly.

6. The plasma operation electrode with the controllable tool bit angle as claimed in claim 4, wherein a fixing groove is further arranged on the periphery of the front end, and the pulling component is wound on the fixing groove after penetrating out of the perforation; and/or the number of the groups of groups,

The outside of the bending tube is also sleeved with a hose which extends from the front end to the rear end so as to cover the bending tube.

7. The tool bit angle controllable plasma surgical electrode of claim 1, wherein the pull assembly comprises an upper pull wire and a lower pull wire disposed opposite each other along a first radial direction of the tool bar assembly.

8. The tool bit angle controllable plasma surgical electrode of claim 7, wherein said pull assembly further comprises a left pull wire and a right pull wire, said left pull wire and said right pull wire being oppositely disposed along a second radial direction of said tool bar assembly, and said second radial direction being perpendicular to said first radial direction.

9. The plasma surgical electrode of any one of claims 1 to 8, wherein the plasma surgical electrode further comprises a control knob disposed on the handle and coupled to the pulling assembly to control the pulling or releasing of the pulling assembly.

10. The plasma operation electrode with controllable tool bit angle according to any one of claims 1 to 8, wherein a liquid injection port is arranged on the handle, the plasma operation electrode with controllable tool bit angle further comprises a liquid injection pipe, the liquid injection pipe is arranged in the cutter bar assembly, one end of the liquid injection pipe extends to the handle to be communicated with the liquid injection port, and the other end of the liquid injection pipe is connected with the electrode tool bit; and/or the number of the groups of groups,

The plasma surgical electrode with the controllable tool bit angle further comprises a suction tube, the suction tube is arranged in the cutter bar assembly, one end of the suction tube extends to the handle to be communicated with the suction port, and the other end of the suction tube is connected with the electrode tool bit; and/or the number of the groups of groups,

The handle is also provided with an electrical interface, an electrical lead is arranged in the cutter bar assembly, one end of the electrical lead penetrates out through the electrical interface and is used for being connected with an external plasma generator, and the other end of the electrical lead is connected with the electrode cutter head.