An ablation electrode structure

Abstract

The utility model discloses an ablation electrode structure, aims at providing a simple ablation electrode structure of shell assembly, it includes upper shell, and the left and right two side edges of upper shell all are equipped with the positioning slot, lower shell, and the left and right two side edges of lower shell all are projected and are equipped with the positioning strip of with the positioning slot one -to -one matching, and lower shell and upper shell buckle connection and constitute the cavity together, circuit board, can detachable installation in the cavity, and the control button is equipped on the circuit board, and the mounting hole that is matched with control button is equipped on upper shell, and control button is sealedly connected with mounting hole, electrode knife subassembly, its one end detachable connection with the cavity and with circuit board electricity is connected, and its other end is located outside the cavity after the end -to -end of the cavity is penetrated.

Description

Technical Field

[0001] This utility model relates to the technical field of ablation electrodes, and in particular to an ablation electrode structure. Background Technology

[0002] Ablation electrodes are surgical devices used in surgical procedures. Their main functions include cutting, hemostasis, irrigation, and suction of tissue during surgery. They work by using a high-frequency current to generate heat through the electrode tip, causing the tip to act on the tissue to produce eschar or burst, thus achieving the functions of hemostasis or cutting. Ablation electrodes are currently widely used in minimally invasive abdominal surgery.

[0003] In the existing technology, the structure of ablation electrodes has the following problems: First, the internal structure of ablation electrodes in the existing technology is not compact enough, resulting in a large size that is not easy to store and operate in surgery; second, the assembly process of the ablation electrode shell is relatively complicated, and it usually needs to be fastened with bolts, which is not conducive to improving work efficiency. Utility Model Content

[0004] The present invention aims to overcome the shortcomings of the complex assembly process of the ablation electrode shell in the prior art, and provides an ablation electrode structure with a simple shell assembly.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An ablation electrode structure comprising:

[0007] The upper shell has positioning grooves on both its left and right edges;

[0008] The lower shell has positioning strips protruding from both its left and right edges, which match the positioning grooves one by one. The lower shell is snapped together with the upper shell and together they form a cavity.

[0009] A circuit board is detachably installed in the cavity. The circuit board is provided with a control button. The upper shell is provided with a mounting hole that matches the control button. The control button is sealed to the mounting hole.

[0010] The electrode knife assembly has one end detachably connected to the cavity and electrically connected to the circuit board, and the other end passing through the end of the cavity and located outside the cavity. The lower shell is inserted into the corresponding positioning groove on the upper shell through a positioning strip, which plays a preliminary positioning role in the installation of the upper and lower shells. Then, the upper and lower shells are fastened together by a snap-fit ​​connection, achieving the purpose of simple shell assembly.

[0011] Preferably, the electrode knife assembly includes a blade head, a blade rod, and a metal outer tube. The metal outer tube is detachably connected to the cavity. The blade rod is located inside one end of the metal outer tube, and one end of the blade rod is fixedly connected to the blade head. The blade head passes through one end of the cavity and is located outside the cavity. The other end of the blade rod is provided with a connector. One end of the connector is fixedly connected to the blade rod by riveting. A drum spring is sleeved on the side wall of the other end of the connector. The drum spring is fixedly connected to the connector and contacts the inner side wall of the other end of the metal outer tube. The blade head is electrically connected to the circuit board after passing through the blade rod, connector, drum spring, and metal outer tube in sequence. A cap is sleeved on the outer side wall of the other end of the metal outer tube. One end of the cap is sealed on the other end of the metal outer tube and inserted into the cavity. The other end of the cap is located outside the other end of the cavity. The tool holder contacts the inner wall of the metal outer tube via a drum spring on the connector. This serves two purposes: positioning the tool holder and facilitating electrical connection between the tool head and the circuit board via the metal outer tube, thereby reducing wiring and simplifying installation and maintenance.

[0012] Preferably, the lower housing is provided with several support frames distributed along the length of the lower housing. The bottom of each support frame is fixedly connected to the side wall of the lower housing, and the top center of each support frame has a snap-fit ​​groove that matches the metal outer tube. Support columns protrude from both sides of each support frame to contact the circuit board. The circuit board fits tightly against the upper housing under the pressure of the support columns. The snap-fit ​​of the metal outer tube into the snap-fit ​​groove helps improve its positioning. After the upper and lower housings are snapped together, the circuit board is pressed down by the support columns, which not only makes the structure more compact and reduces its size, but also helps to tighten the control buttons on the circuit board, improving the sealing and waterproofing effect.

[0013] Preferably, the circuit board has two locking blocks that match the outer wall of the metal outer tube. These blocks are arc-shaped and fit snugly against the outer wall of the metal outer tube. The two blocks are symmetrically distributed about the center of the metal outer tube. One end of each block is fixedly connected to the circuit board, and the other ends of both blocks are tilted outwards to form a flared opening. The metal outer tube is detachably connected to the circuit board via the locking blocks and is also electrically connected to the circuit board. The flared opening provides good installation guidance for the metal outer tube to be inserted into the locking blocks. The locking blocks facilitate electrical conduction between the metal outer tube and the circuit board, reducing wiring layout and simplifying the structure. Furthermore, they improve the positioning of the circuit board and the metal outer tube, and enhance the compactness of the structure.

[0014] Preferably, the cavity has a wiring channel on its side, with the circuit board located at one end of the wiring channel and the other end located on the side of the cap. A sealing groove is provided on the inner wall of the other end of the wiring channel, and a sealing ring is installed within the sealing groove. The wiring channel facilitates the connection of the circuit board to external circuitry via a power cord, and the sealing ring helps prevent water from seeping into the circuit board from the wiring channel, providing a good waterproof effect.

[0015] Preferably, the bottom of the positioning strip is fixedly connected to the lower shell and forms an integral part thereon. Guide slopes are provided on both the left and right sides of the positioning strip, and the width of the bottom of the positioning strip is greater than the width of its top. The guide slopes provide good guidance for the lower shell as it inserts into the corresponding positioning groove on the upper shell via the positioning strip.

[0016] The beneficial effects of this utility model are as follows: the upper and lower shells are fastened together by snap-fit ​​connection, achieving the purpose of simple shell assembly; the cutter bar contacts the inner wall of the metal outer tube through the drum spring on the connector, which on the one hand positions the cutter bar, and on the other hand facilitates the electrical connection between the cutter head and the circuit board through the metal outer tube, which helps to reduce wiring and facilitates installation and maintenance; the circuit board is pressed by the support column, which not only makes the structure more compact and helps to reduce the volume, but also helps to press the control buttons on the circuit board and improve the sealing and waterproof effect; the locking block helps to achieve electrical conduction between the metal outer tube and the circuit board, which helps to reduce the wiring layout and simplify the structure, and further improves the positioning of the circuit board and the metal outer tube, and improves the compactness of the structure. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is the front view of this utility model;

[0019] Figure 3 yes Figure 2 Sectional view of AA;

[0020] Figure 4 yes Figure 2 Sectional view of CC;

[0021] Figure 5 yes Figure 3 Enlarged view of the structure at point B;

[0022] Figure 6 yes Figure 2 A sectional view of DD.

[0023] In the diagram: 1. Upper shell, 2. Positioning groove, 3. Lower shell, 4. Positioning strip, 5. Cavity, 6. Circuit board, 7. Control button, 8. Mounting hole, 9. Electrode knife assembly, 10. Knife head, 11. Knife bar, 12. Metal outer tube, 13. Connector, 14. Drum spring, 15. Sealing cap, 16. Support frame, 17. Snap-fit ​​groove, 18. Support column, 19. Locking block, 20. Flared mouth, 21. Wiring channel, 22. Sealing ring. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0025] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0026] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of components illustrated in these embodiments do not limit the scope of this application. For ease of illustration, spatial relative terms such as “upper,” “lower,” “left,” and “right” are used in the embodiments to describe the relationship of one element or feature shown in the figures relative to another element or feature. It should be understood that, in addition to the orientations shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figures is inverted, an element described as being “below” other elements or features would be fixed “upper” to other elements or features. Thus, the exemplary term “lower” can include both upper and lower orientations. The device may be fixed in other ways (rotated 90 degrees or located in other orientations), and the spatial relative descriptions used herein can be interpreted accordingly. It should also be understood that, for ease of description, the dimensions of the various parts shown in the figures are not drawn to actual scale. Techniques, processes, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, processes, and equipment should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limiting. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be discussed further in subsequent figures.

[0027] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 In the embodiments described, an ablation electrode structure includes an upper shell 1 with positioning grooves 2 on both its left and right edges; a lower shell 3 with positioning strips 4 protruding from both its left and right edges, each matching the positioning grooves 2; the lower shell 3 and the upper shell 1 being snap-fitted together to form a cavity 5; a circuit board 6 detachably installed inside the cavity 5, with a control button 7 on the circuit board 6; and mounting holes 8 on the upper shell 1 matching the control button 7, with the control button 7 and mounting holes 8 being sealed together; and an electrode blade assembly 9, one end of which is detachably connected to the cavity 5 and electrically connected to the circuit board 6, and the other end of which passes through the end of the cavity 5 and is located outside the cavity 5.

[0029] like Figure 3 and Figure 5As shown, the electrode knife assembly 9 includes a blade head 10, a blade rod 11, and a metal outer tube 12. The metal outer tube 12 is detachably connected to the cavity 5. The blade rod 11 is located inside one end of the metal outer tube 12, and one end of the blade rod 11 is fixedly connected to the blade head 10. The blade head 10 passes through one end of the cavity 5 and is located outside the cavity 5. The other end of the blade rod 11 is provided with a connector 13. One end of the connector 13 is fixedly connected to the blade rod 11 by riveting, and a drum is sleeved on the side wall of the other end of the connector 13. Spring 14, drum spring 14 is fixedly connected to connector 13. Drum spring 14 is in contact with the inner wall of the other end of metal outer tube 12. The cutter head 10 is electrically connected to circuit board 6 after passing through cutter bar 11, connector 13, drum spring 14 and metal outer tube 12 in sequence. A cap 15 is sleeved on the outer wall of the other end of metal outer tube 12. One end of cap 15 is sealed on the other end of metal outer tube 12 and inserted into cavity 5. The other end of cap 15 is located outside the other end of cavity 5.

[0030] like Figure 4 As shown, the lower shell 3 is provided with several support frames 16. The support frames 16 are distributed along the length of the lower shell 3. The bottom of the support frame 16 is fixedly connected to the side wall of the lower shell 3. The top center of the support frame 16 is provided with a snap-fit ​​groove 17 that matches the metal outer tube 12. The left and right sides of the support frame 16 are provided with support columns 18 that contact the circuit board 6. The circuit board 6 is tightly fitted with the upper shell 1 under the pressing action of the support columns 18.

[0031] like Figure 6 As shown, the circuit board 6 is provided with two locking blocks 19 that match the outer wall of the metal outer tube 12. The locking blocks 19 are arc-shaped and hug the outer wall of the metal outer tube 12. The two locking blocks 19 are symmetrically distributed on the left and right sides with the metal outer tube 12 as the center. One end of the locking block 19 is fixedly connected to the circuit board 6, and the other ends of the two locking blocks 19 are both tilted outward to form a flared mouth 20. The metal outer tube 12 is detachably connected to the circuit board 6 through the locking blocks 19 and is electrically connected to the circuit board 6.

[0032] like Figure 3 and Figure 5 As shown, the side of the cavity 5 is provided with a wiring channel 21, the circuit board 6 is located at one end of the wiring channel 21, the other end of the wiring channel 21 is located on the side of the cap 15, and a sealing groove is provided on the inner wall of the other end of the wiring channel 21, and a sealing ring 22 is provided in the sealing groove.

[0033] like Figure 4 As shown, the bottom of the positioning strip 4 is fixedly connected to the lower shell 3 and forms an integral part. The left and right sides of the positioning strip 4 are provided with guide slopes, and the width of the bottom of the positioning strip 4 is greater than the width of its top.

[0034] The lower shell 3 is inserted into the corresponding positioning groove 2 on the upper shell 1 via the positioning strip 4, which serves as a preliminary positioning for the installation of the upper shell 1 and the lower shell 3. Then, the upper shell 1 and the lower shell 3 are fastened together by snap-fit ​​connection, achieving the purpose of simple shell assembly. After the upper shell 1 and the lower shell 3 are snapped together, the circuit board 6 is pressed by the support column 18, which not only makes the structure more compact and helps to reduce the size, but also helps to tighten the control button 7 on the circuit board 6 and improve the sealing and waterproof effect.

[0035] The cutter head 10 is fixed to one end of the cutter bar 11 by welding, and the connector 13 is fixed to the other end of the cutter bar 11 by riveting. This allows the cutter head 10 to be electrically connected to the metal outer tube 12 after passing through the cutter bar 11, connector 13, and drum spring 14 in sequence. At the same time, the metal outer tube 12 is electrically connected to the circuit board 6 through the clamp 19. This allows the operator to control the circuit board 6 to power on the cutter head 10 for operation by controlling the control button 7.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ablation electrode structure, characterized by, include: The upper shell (1) has positioning grooves (2) on both the left and right sides of the upper shell (1). The lower shell (3) has positioning strips (4) that match the positioning grooves (2) on both sides of its left and right edges. The lower shell (3) is snapped together with the upper shell (1) and together they form a cavity (5). The circuit board (6) is detachably installed in the cavity (5). The circuit board (6) is provided with a control button (7). The upper shell (1) is provided with a mounting hole (8) that matches the control button (7). The control button (7) is sealed to the mounting hole (8). The electrode knife assembly (9) has one end detachably connected to the cavity (5) and electrically connected to the circuit board (6), and the other end passes through the end of the cavity (5) and is located outside the cavity (5).

2. An ablation electrode structure according to claim 1, characterized in that The electrode knife assembly (9) includes a blade head (10), a blade rod (11), and a metal outer tube (12). The metal outer tube (12) is detachably connected to the cavity (5). The blade rod (11) is located inside one end of the metal outer tube (12). One end of the blade rod (11) is fixedly connected to the blade head (10). The blade head (10) passes through one end of the cavity (5) and is located outside the cavity (5). The other end of the blade rod (11) is provided with a connector (13). One end of the connector (13) is fixedly connected to the blade rod (11) by riveting. The other end of the connector (13) is fitted with a sleeve on its side wall. A drum spring (14) is fixedly connected to a connector (13). The drum spring (14) is in contact with the inner wall of the other end of the metal outer tube (12). The cutter head (10) is electrically connected to the circuit board (6) after passing through the cutter bar (11), connector (13), drum spring (14) and metal outer tube (12) in sequence. A cap (15) is fitted on the outer wall of the other end of the metal outer tube (12). One end of the cap (15) is sealed on the other end of the metal outer tube (12) and inserted into the cavity (5). The other end of the cap (15) is located outside the other end of the cavity (5).

3. An ablation electrode structure according to claim 2, characterized in that The lower shell (3) is provided with several support frames (16), which are distributed along the length of the lower shell (3). The bottom of the support frame (16) is fixedly connected to the side wall of the lower shell (3). The top center of the support frame (16) is provided with a snap-fit ​​groove (17) that matches the metal outer tube (12). The left and right sides of the support frame (16) are provided with support columns (18) that contact the circuit board (6). The circuit board (6) is tightly fitted with the upper shell (1) under the pressing action of the support columns (18).

4. An ablation electrode structure according to claim 2 or 3, characterised in that The circuit board (6) is provided with two locking blocks (19) that match the outer wall of the metal outer tube (12). The locking blocks (19) are arc-shaped and hug the outer wall of the metal outer tube (12). The two locking blocks (19) are symmetrically distributed on the left and right with the metal outer tube (12) as the center. One end of the locking block (19) is fixedly connected to the circuit board (6), and the other end of the two locking blocks (19) are both tilted outward to form a flared mouth (20). The metal outer tube (12) is detachably connected to the circuit board (6) through the locking blocks (19) and electrically connected to the circuit board (6).

5. An ablation electrode structure according to claim 2 or 3, characterised in that The cavity (5) has a wiring channel (21) on its side. The circuit board (6) is located at one end of the wiring channel (21). The other end of the wiring channel (21) is located on the side of the cap (15). A sealing groove is provided on the inner wall of the other end of the wiring channel (21). A sealing ring (22) is provided in the sealing groove.

6. An ablation electrode structure according to claim 1, wherein, The bottom of the positioning strip (4) is fixedly connected to the lower shell (3) and forms an integral part. The left and right sides of the positioning strip (4) are provided with guide slopes. The width of the bottom of the positioning strip (4) is greater than the width of its top.

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