Optical fiber lighting and telescopic length high frequency smoking electrotome

Abstract

The utility model discloses a high frequency smoking electric knife of optical fiber lighting and telescopic length belongs to high frequency smoking electric knife technical field, and it is including: the electric knife main part is built -in PCB control board and accommodation cavity, and the first end is connected with the pen mouthful and the damping ring. The telescopic smoking pipe is arranged in the electric knife main part and slides. The telescopic smoking pipe end is provided with stainless steel surgical electrode, and the telescopic smoking pipe is fixedly provided with optical fiber, and the first end of optical fiber is located stainless steel surgical electrode one side, and the second end is opposite and close to the LED light source fixedly arranged in the telescopic smoking pipe. The utility model discloses a light is sent to the other end from the telescopic smoking pipe one end through optical fiber, can realize the structure of light source far away from stainless steel surgical electrode arrangement, makes the telescopic structure of high frequency smoking electric knife simple and simple, and the assembly is more convenient, and the doctor operation is simpler, and has cost and operation practicality.

Description

Technical Field

[0001] This utility model relates to the field of high-frequency electrosurgical knife technology, specifically to a high-frequency electrosurgical knife with fiber optic illumination and extendable length. Background Technology

[0002] A high-frequency electrosurgical unit (ESU) is a medical device that integrates electrosurgical and smoke extraction functions. It heats tissue by generating a high-frequency, high-voltage current at the tip of the effective electrode, achieving tissue separation and coagulation, thereby achieving cutting and hemostasis. Currently available ESUs with light sources typically have non-retractable LED light sources on one or more sides for surgical illumination. These have limitations such as the light source not being able to move synchronously with the surgical electrodes or having narrow smoke extraction channels and low suction flow. Therefore, this invention provides a high-frequency electrosurgical unit with fiber optic illumination and a retractable length. Utility Model Content

[0003] The purpose of this invention is to provide a high-frequency electrosurgical unit with fiber optic illumination and extendable length.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: A fiber optic illuminated, extendable-length high-frequency electrosurgical unit, comprising: The device includes a telescopic fumigation tube and a stainless steel surgical electrode at the front end, an electrode connector and an optical fiber assembly inside the telescopic fumigation tube, and a fumigation-type electrosurgical handle at the rear end. The smoking electrosurgical handle includes: an electrosurgical body and an electrosurgical upper shell located above the electrosurgical body; a first receiving cavity is formed between the electrosurgical upper shell and the electrosurgical body, and a PCB control board is built into the first receiving cavity; the electrosurgical body has a second receiving cavity, and a pen tip is sleeved on its first end, and an installation space is formed between the pen tip and the first end face of the electrosurgical body, and an annular damping ring is provided in the installation space; The telescopic smoking tube is a tubular structure with an elliptical cross-section and transparent ends. Part of it is inserted into the electrosurgical body from the first end of the electrosurgical body and slides with it, and is fitted inside the damping ring. The stainless steel surgical electrode is fixedly disposed at the end of the telescopic smoking tube away from the main body of the electrosurgical unit, and is partially located inside the telescopic smoking tube and fixedly connected thereto. The optical fiber assembly includes: a light source mounting base fixedly disposed inside the telescopic smoking tube, an LED light source disposed on the light source mounting base, and an optical fiber disposed below the stainless steel surgical electrode, with one end of the optical fiber close to the LED light source to achieve light transmission; The first end of the electrode connecting piece is connected to the stainless steel surgical electrode, and the second end is inserted into the top groove of the light source mounting base. Both the electrode connecting piece and the LED light source are electrically connected to the PCB control board via wires, and the wires have redundant length to meet the telescopic requirements of the telescopic smoking tube stainless steel surgical electrode and the LED light source.

[0005] Based on the above scheme and as a preferred embodiment of the above scheme, the stainless steel surgical electrode is connected to the telescopic smoking tube through a hexagonal electrode mounting base disposed inside the telescopic smoking tube, and the first end of the electrode connecting piece extends into the hexagonal electrode mounting base and is connected to the stainless steel surgical electrode. The optical fiber is fixedly connected to the telescopic smoking tube via an optical fiber mounting base disposed inside the telescopic smoking tube. Its first end is located at the end of the telescopic smoking tube where the stainless steel surgical electrode is disposed, and its second end is connected to the light source mounting base and is close to the LED light source.

[0006] Based on the above scheme and as a preferred embodiment of the above scheme, the PCB control board is used to control the opening and closing of the LED light source and the opening and closing of the surgical electrode electrocautery and electrocoagulation functions according to the control signal triggered by the user.

[0007] Based on the above scheme and as a preferred embodiment of the above scheme, the fiber optic illuminated and retractable high-frequency smoking electrosurgical unit further includes a light source switch, an electrocoagulation button, and an electrocution button. The light source switch is used to input LED light source control signals, and the electrocoagulation button and the electrocution button are used to input stainless steel surgical electrode control signals. The upper shell of the electrosurgical unit has first to third positioning holes, and the light source switch, electrocoagulation button, and electrocution button are respectively embedded in the first to third positioning holes.

[0008] Based on the above solution and as a preferred embodiment of the above solution, a sealing cover is provided below the PCB control board to isolate the first receiving cavity and the second receiving cavity.

[0009] Based on the above scheme and as a preferred embodiment of the above scheme, the fiber optic illuminated and retractable high-frequency electrosurgical unit further includes a rotating tail connector and a current-carrying wire; one end of the rotating tail connector is simultaneously sleeved on the upper shell of the electrosurgical unit and the main body of the electrosurgical unit; the current-carrying wire is disposed in the rotating tail connector and extends into the first receiving cavity to connect with the PCB control board.

[0010] Compared with the prior art, this utility model has the following advantages and beneficial effects: This utility model achieves efficient space utilization through the integrated forming of the suction tube and the high integration of optical fiber. Moreover, by sending light from one end of the telescopic suction tube to the other end through optical fiber, the structure of the light source can be moved away from the stainless steel surgical electrode arrangement, which simplifies the telescopic structure of the high-frequency suction electrosurgical unit, makes assembly more convenient, and makes the operation of doctors simpler, combining cost-effectiveness and operational practicality. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is an exploded view of the present invention.

[0013] Figure 3 This is a partial structural diagram of the present utility model.

[0014] Figure 4 This is a schematic diagram of an explosion of part of the structure of this utility model.

[0015] Figure 5 This is a cross-sectional structural diagram of the front end of the telescopic smoking tube of this utility model.

[0016] In the diagram: 1. Electrosurgical unit upper shell; 2. Electrosurgical unit body; 3. PCB control board; 4. Pen tip; 5. Damping ring; 6. Telescopic suction tube; 7. Stainless steel surgical electrode; 8. Optical fiber; 9. LED light source; 10. Wire; 11. Light source mounting base; 12. Electrode connecting piece; 13. Light source switch; 14. Electrocoagulation button; 15. Electrosurgical cutting button; 16. Sealing cover; 17. Rotary tail connector; 18. Current-carrying wire; 19. Hexagonal electrode mounting base; 20. Optical fiber mounting base. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. For better illustration of this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable that some well-known structures and their descriptions may be omitted in the drawings for those skilled in the art. The positional relationships described in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0018] like Figure 1 and Figure 2 As shown, a high-frequency electrosurgical unit with fiber optic illumination and extendable length includes: The electrosurgical unit housing 1 and the electrosurgical unit body 2, wherein: The upper shell 1 of the electrosurgical unit is located above the main body 2 of the electrosurgical unit and is fitted into the main body 2 of the electrosurgical unit. A first receiving cavity is formed between the upper shell 1 of the electrosurgical unit and the main body 2 of the electrosurgical unit. The first receiving cavity contains a PCB control board 3. The PCB control board 3 is used to control the opening and closing of the LED light source and the opening and closing of the electro-cutting and electrocoagulation functions of the surgical electrode according to the control signal triggered by the user.

[0019] Specifically, the fiber optic-illuminated, extendable-length high-frequency electrosurgical unit also includes a light source switch 13, an electrocoagulation button 14, and an electrocution button 15. The light source switch 13 is used to input LED light source control signals, while the electrocoagulation button 14 and the electrocution button 15 are used to input stainless steel surgical electrode control signals. In use, the stainless steel surgical electrode 7 and the LED light source 9 are controlled by pressing each button. The upper shell 1 of the electrosurgical unit has first to third positioning holes, and the light source switch 13, electrocoagulation button 14, and electrocution button 15 are respectively embedded in the first to third positioning holes.

[0020] The electrosurgical body 2 has a built-in second receiving cavity, and a pen tip 4 is sleeved on the first end. The pen tip 4 has a ring-shaped structure, is sleeved on the first end of the electrosurgical body 2, and partially extends beyond the first end of the electrosurgical body 2. A through hole communicating with the second receiving cavity is opened in the center. The part of the pen tip 4 extending beyond the electrosurgical body 2 forms an installation space with the first end face of the electrosurgical body 2. An annular damping ring 5 is provided in the installation space.

[0021] The fiber optic illuminated, retractable-length high-frequency smoking electrosurgical unit also includes a retractable smoking tube 6 and a stainless steel surgical electrode 7, wherein; The telescopic smoking tube 6 is a tubular structure with an elliptical cross-section and a transparent end. It is inserted into and slidably engaged with the first end of the electrosurgical body 2. A portion of the telescopic smoking tube 6 is located within the second receiving cavity, while another portion is located outside the electrosurgical body 2 and engages with the damping ring 5. The length of the portion of the telescopic smoking tube 6 located within the second receiving cavity can be changed by sliding the tube. The damping ring 5 is used to increase the resistance to the extension and retraction of the telescopic smoking tube 6, and the extension and retraction resistance is at least 15N. The portion of the telescopic smoking tube 6 located within the second receiving cavity has a segment with a larger diameter to prevent the telescopic smoking tube 6 from detaching from the electrosurgical body 2.

[0022] The stainless steel surgical electrode 7 is located at the end of the telescopic fume extraction tube 6 away from the main body 2 of the electrosurgical unit. It is partially located inside and fixedly connected to the telescopic fume extraction tube 6, allowing it to move synchronously with the tube. Specifically, as shown... Figure 5 As shown, the stainless steel surgical electrode 7 is fixedly connected to the telescopic smoking tube 6 via a hexagonal electrode mounting base 19 disposed inside the telescopic smoking tube 6.

[0023] like Figure 1 and Figure 3 As shown, an optical fiber 8 is fixedly installed inside the telescopic smoking tube 6. The first end of the optical fiber 8 is located below the stainless steel surgical electrode 7 and is fixedly connected inside the telescopic smoking tube 6 through the optical fiber mounting base 20 installed inside the telescopic smoking tube 6 to provide illumination for the operation. The second end is directly opposite and close to the LED light source 9 fixedly installed inside the telescopic smoking tube 6 so as to send the light generated by the LED light source 9 to the stainless steel surgical electrode 7.

[0024] Specifically, such as Figure 4As shown, a light source mounting base 11 is fixedly connected inside the telescopic smoking tube 6. The light source mounting base 11 has a through circular cavity and a mounting groove. The second end of the optical fiber 8 and the LED light source 9 are both placed inside the circular cavity, which facilitates installation and alignment, and also prevents light leakage. The mounting groove is located at the top of the light source mounting base 11, and an electrode connecting piece 12 is fixedly installed inside it. One end of the electrode connecting piece 12 is connected to the wire 10, and the other end extends into the hexagonal electrode mounting base 19 and connects to the stainless steel surgical electrode 7.

[0025] Both the electrode connecting piece 12 and the LED light source 9 are electrically connected to the PCB control board 3 via the wire 10, and the wire 10 has a folded redundant length to meet the telescopic requirements of the telescopic smoking tube 6, the stainless steel surgical electrode 7 and the LED light source 9.

[0026] A sealing cover 16 is provided below the PCB control board 3 to isolate the first and second accommodating cavities, so as to prevent smoke from entering the first accommodating cavity and affecting the PCB control board 3.

[0027] The fiber optic-illuminated, extendable-length high-frequency electrosurgical unit also includes a rotary tail connector 17 and a current-carrying wire 18. One end of the rotary tail connector 17 is simultaneously fitted onto both the upper shell 1 and the main body 2 of the electrosurgical unit, while the other end is connected to an external negative pressure device. The current-carrying wire 18 is disposed within the rotary tail connector 17 and extends into the first receiving cavity to connect with the PCB control board 3.

[0028] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A high frequency smoking electrotome with optical fiber illumination and scalable length, characterized in that, include: The telescopic smoking tube (6) and stainless steel surgical electrode (7) are located at the front end, the electrode connecting piece (12) and fiber optic assembly are located inside the telescopic smoking tube (6), and the smoking electrosurgical handle is located at the rear end, wherein: The smoking electrosurgical handle includes: an electrosurgical body (2) and an electrosurgical upper shell (1) located above the electrosurgical body (2); a first receiving cavity is formed between the electrosurgical upper shell (1) and the electrosurgical body (2), and a PCB control board (3) is built into the first receiving cavity; the electrosurgical body (2) has a second receiving cavity, and a pen tip (4) is sleeved on its first end; an installation space is formed between the pen tip (4) and the first end face of the electrosurgical body (2), and an annular damping ring (5) is provided in the installation space. The telescopic smoking tube (6) is a tubular structure with an elliptical cross section and a transparent end. Part of it is inserted into the electric knife body (2) from the first end of the electric knife body (2) and slides with it, and is fitted into the damping ring (5). The stainless steel surgical electrode (7) is fixedly disposed at the end of the telescopic smoking tube (6) away from the electrosurgical body (2), and part of it is located inside the telescopic smoking tube (6) and fixedly connected thereto. The optical fiber assembly includes: a light source mounting base (11) fixedly disposed in the telescopic smoking tube (6), an LED light source (9) disposed on the light source mounting base (11), and an optical fiber (8) disposed below the stainless steel surgical electrode (7), with one end of the optical fiber (8) close to the LED light source (9) to achieve light transmission. The first end of the electrode connecting piece (12) is connected to the stainless steel surgical electrode (7), and the second end is inserted into the top groove of the light source mounting base (11); The electrode connecting piece (12) and the LED light source (9) are both electrically connected to the PCB control board (3) through the wire (10), and the wire (10) has redundant length to meet the telescopic requirements of the telescopic smoking tube (6), the stainless steel surgical electrode (7) and the LED light source (9).

2. The high frequency smoking electrosurgical pencil with fiber-optic illumination and telescopic length according to claim 1, characterized in that The stainless steel surgical electrode (7) is connected to the telescopic smoking tube (6) via a hexagonal electrode mounting base (19) disposed inside the telescopic smoking tube (6), and the first end of the electrode connecting piece (12) extends into the hexagonal electrode mounting base (19) and is connected to the stainless steel surgical electrode (7). The optical fiber (8) is fixedly connected to the telescopic smoking tube (6) via an optical fiber mounting base (20) located inside the telescopic smoking tube (6). Its first end is located at the end of the telescopic smoking tube (6) where the stainless steel surgical electrode (7) is located, and its second end is connected to the light source mounting base (11) and close to the LED light source (9).

3. The high frequency smoking electrosurgical pencil with fiber-optic illumination and telescopic length according to claim 1, characterized in that The PCB control board (3) is used to control the opening and closing of the LED light source and the opening and closing of the surgical electrode electrocautery and electrocoagulation functions according to the control signal triggered by the user.

4. The high frequency smoking electrosurgical pencil with fiber-optic illumination and telescopic length according to claim 1, characterized in that The fiber optic-illuminated, extendable-length high-frequency electrosurgical unit also includes a light source switch (13), an electrocoagulation button (14), and an electrocution button (15). The light source switch (13) is used to input LED light source control signals, and the electrocoagulation button (14) and the electrocution button (15) are used to input stainless steel surgical electrode control signals. The upper shell (1) of the electrosurgical unit has first to third positioning holes, and the light source switch (13), the electrocoagulation button (14), and the electrocution button (15) are respectively embedded in the first to third positioning holes.

5. The high frequency smoking electrosurgical pencil with fiber-optic illumination and telescopic length according to claim 1, characterized in that A sealing cover (16) is provided below the PCB control board (3) to isolate the first receiving cavity and the second receiving cavity.

6. The fiber-optic illuminated and telescopic length high frequency smoking electrosurgical unit according to claim 1, characterized in that, The fiber optic illuminated and retractable high-frequency electrosurgical unit also includes a rotating tail connector (17) and a current-carrying wire (18); one end of the rotating tail connector (17) is simultaneously sleeved on the upper shell (1) of the electrosurgical unit and the main body (2) of the electrosurgical unit; the current-carrying wire (18) is disposed in the rotating tail connector (17) and extends into the first receiving cavity to connect with the PCB control board (3).

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