Ablation electrode slice and ablation device

Abstract

The utility model belongs to the technical field of medical instruments, and relates to an ablation electrode slice and an ablation device, the ablation electrode slice comprises an electrode slice body, and a plurality of visible spaces are formed on the electrode slice body at intervals. The ablation device includes: a connector; the supporting part is rotationally connected to the connecting piece; and the ablation electrode slice is connected to the supporting part. After the structure is adopted, the ablation electrode plate has the beneficial effects that the ablation electrode plate is provided with a visual space, so that the ablation electrode plate is visual during ablation; the ablation electrode slice can be transparent under an endoscope, imaging display of the endoscope is not affected, an operator can judge the adherence of the electrode to a lesion area and display the ablation process, and the ablation electrode slice is convenient to operate and high in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and specifically relates to an ablation electrode sheet and an ablation device. Background Art

[0002] When ablation treatment is performed under endoscopy or visual observation (pulse, radio frequency, microwave, etc.), the electrode needs to be attached to the affected area for ablation. At this time, the conductive surface of the electrode has a low light transmittance due to the conductive material and cannot be seen visually or under an endoscope. As a result, the electrode has a blind spot when discharging, and it is impossible to know whether the electrode is close to the affected area, which makes it easy for electric sparks to occur and cause excessive burns to the affected area. Therefore, improvements are needed. Utility Model Content

[0003] In order to solve the above problems in the prior art, the utility model provides an ablation electrode sheet and an ablation device, which can be visualized while the electrode sheet is discharging, thereby avoiding blind ablation.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] As one aspect of the utility model, an ablation electrode sheet is provided, which includes: an electrode sheet body, on which a plurality of visible spaces are formed at intervals.

[0006] Optionally, the electrode sheet body is formed by staggering a plurality of first metal conductors and a plurality of second metal conductors, and a preset angle is provided between the plurality of first metal conductors and the plurality of second metal conductors.

[0007] Optionally, a plurality of the first metal conductors and a plurality of the second metal conductors are woven to form the electrode sheet body; or,

[0008] The connection points formed by staggered connection between the first metal conductors and the second metal conductors are fixed by welding.

[0009] Optionally, the electrode sheet body is a metal sheet structure, and a plurality of visible spaces are formed by cutting on the electrode sheet body.

[0010] Optionally, the length and width of the visible space are both 0.05-1 mm.

[0011] Optionally, the first metal conductor and the second metal conductor are made of nickel-titanium alloy wire, stainless steel wire, cobalt-chromium alloy wire, silver wire, gold wire or platinum-iridium alloy wire.

[0012] Optionally, the diameter of the first metal conductor is 0.02-0.5 mm, and the diameter of the second metal conductor is 0.02-0.5 mm.

[0013] As another aspect of the present invention, an ablation device is provided, comprising:

[0014] Connectors,

[0015] A supporting portion, rotatably connected to the connecting member;

[0016] The ablation electrode sheet as described above is connected to the support part.

[0017] Optionally, a first connecting portion for the catheter to pass through is formed on the connecting piece, and the end of the catheter close to the supporting portion is connected to the supporting portion.

[0018] Optionally, the support portion includes a support body, the support body is provided with a mounting portion for installing an ablation electrode sheet; the support body is provided with a second yielding portion, the second yielding portion and the mounting portion are connected; and an installation space adapted to the connecting piece is formed on the support body.

[0019] Optionally, it also includes a rotating part, and the supporting part is rotatably connected to the connecting member through the rotating part; the rotating part includes a first connecting block connected to the supporting part and a second connecting block connected to the connecting member and matching with the first connecting block; there are two first connecting blocks, and the second connecting block is located between the two first connecting blocks; a first connecting hole is provided on the first connecting block, and a second connecting hole is provided on the second connecting block, and when the second connecting block is matched with the two first connecting blocks, a rotating shaft is rotatably connected between the second connecting hole and the first connecting hole.

[0020] The beneficial effects of the ablation electrode sheet and ablation device of the utility model are specifically embodied in the following aspects: 1. The ablation electrode sheet has a visible space, so that the ablation electrode sheet can be visualized during ablation; 2. The ablation electrode sheet can be transparent under an endoscope without affecting the display of endoscopic imaging, which helps the operator to judge the adhesion of the electrode to the lesion area and the display of the ablation process, and is easy to operate and highly practical; 3. The ablation electrode sheet can be fitted with the affected area through the rotating part, and the ablation effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0022] Figure 1 It is a structural schematic diagram of the ablation electrode sheet of the utility model;

[0023] Figure 2 It is a structural cross-sectional view of the ablation device of the utility model;

[0024] Figure 3 It is a top view of the structure of the connecting piece of the utility model;

[0025] Figure 4 It is a structural stereogram of the ablation device of the utility model;

[0026] Figure 5 It is a structural explosion diagram of the ablation device of the utility model;

[0027] Figure 6 Another structural schematic diagram of the ablation electrode sheet of the utility model DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] An ablation electrode sheet according to an embodiment of the present application is as follows Figure 1 As shown, it includes: an electrode sheet body 3, on which a plurality of visible spaces 31 are formed at intervals. The ablation electrode sheet has the visible spaces 31, so that the ablation electrode sheet has visualization during ablation, and it can be clearly known whether the ablation electrode sheet is in close contact with the affected area, so as to facilitate the ablation operation.

[0030] In one embodiment, if Figure 1 As shown, the electrode sheet body 3 is formed by interlacing a plurality of first metal conductors 1 arranged transversely and a plurality of second metal conductors 2 arranged longitudinally, and a preset angle is set between the first metal conductor 1 and the second metal conductor 2. In this embodiment, the preset angle is not greater than 90°. When the preset angle is 90°, the visible space 31 is a rectangular structure. When the preset angle is less than 90°, for example, 75 degrees, or 60 degrees, the visible space 31 is a rhombus. Further, a plurality of first metal conductors 1 and a plurality of second metal conductors 2 are woven to form the electrode sheet body 3, or, the connection points formed by interlacing between a plurality of first metal conductors 1 and a plurality of second metal conductors 2 are welded and fixed. It should be noted that the weaving method is a prior art and will not be described in detail. Further, the electrode sheet body 3 can also be a metal sheet structure, and the electrode sheet body 3 is cut on the electrode sheet body 3 in the form of laser cutting or finishing to form a visible space 31.

[0031] As an example, the ablation electrode sheet is formed by weaving a number of conductive wires 1×1 / 2×2 / 1×2 or atomic layer deposition on a transparent film or any form of energy / mechanical processing to carve a conductive metal sheet to form a conductive metal mesh. After the woven conductive metal mesh or the engraved metal mesh is cut to the corresponding size, it is bonded to the surface of the consumables by glue or plastic welding, and can also be fixed to the conductivity by a photo frame-type metal frame; the atomic layer deposition on the transparent film is fixed to the transparent plastic part by chemical fixation; the above three types of electrode sheets are all fixed on the head of the endoscope, and after being attached to the wall, a better field of view is obtained to observe whether the lesion area is completely attached.

[0032] In one embodiment, if Figure 1 and Figure 6 As shown, the visible space 31 is rectangular or diamond-shaped, which is convenient for weaving and processing; the length and width of the visible space 31 are both 0.05-1 mm.

[0033] In one embodiment, the first metal conductor 1 is made of nickel-titanium alloy wire, stainless steel wire, cobalt-chromium alloy wire, silver wire, gold wire, platinum-iridium alloy wire or other conductive materials.

[0034] In one embodiment, the second metal conductor 2 is made of nickel-titanium alloy wire, stainless steel wire, cobalt-chromium alloy wire, silver wire, gold wire, platinum-iridium alloy wire or other conductive materials.

[0035] In one embodiment, the material of the first metal conductor 1 and the material of the second metal conductor 2 are the same or different, which is adjusted according to the design and will not be described in detail.

[0036] In one embodiment, the diameter of the first metal conductor 1 is 0.02-0.5 mm.

[0037] In one embodiment, the diameter of the second metal conductor 2 is 0.02-0.5 mm.

[0038] In one embodiment, if Figure 5 As shown, a first clearance portion 32 is formed at the bottom of the ablation electrode sheet, and the first clearance portion 32 is in an inverted V shape, which facilitates the electrical connection between the ablation electrode sheet and the wire; as an example, in order to facilitate the installation of the ablation electrode sheet, it also includes a transparent body, and the ablation electrode sheet is connected to the surface of the transparent body. The transparent body is a transparent film or transparent plastic, so that the ablation electrode sheet can be visualized; at this time, a mating portion that cooperates with the first clearance portion 32 is provided on the transparent body to electrically connect the ablation electrode sheet to the wire.

[0039] Another embodiment of the present application is an ablation device, such as Figure 2-Figure 5 As shown, it comprises: a connecting piece 5 matched with the endoscope, as an example, the connecting piece 5 is a scope sleeve;

[0040] The supporting part 6 is rotatably connected to the connecting member 5;

[0041] The ablation electrode sheet as described above is connected to the support part 6 .

[0042] In the above scheme, the ablation electrode sheet connected to the support part 6 is rotatable relative to the connecting member 5, so that the ablation electrode sheet can be close to the affected area, facilitating the ablation operation; it should be noted that the ablation working process and principle of the ablation electrode sheet are all existing technologies and will not be repeated here.

[0043] In one embodiment, if Figure 4 and Figure 5 As shown, a first connecting portion 51 for the catheter 7 to pass through is formed on the connecting member 5, and the end of the catheter 7 close to the support portion is connected to the support portion 6. As an example, the first connecting portion 51 is a connecting through hole to facilitate the connection of the catheter 7. It should be noted that the catheter 7 plays an insulating role, and the wire used for electrical connection with the ablation electrode sheet passes through the catheter 7. This is a prior art and will not be repeated.

[0044] In one embodiment, if Figure 3 or Figure 5 As shown, a guide recess 52 is formed on the connector 5 at one side of the outlet of the first connecting portion 51, and the catheter 7 cooperates with the guide recess 52. The guide recess 52 is used for buffering or rebounding of the catheter 7. The catheter 7 and the support portion 6 are fixed by glue or welding, wherein the wire in the catheter 7 is connected to the ablation electrode sheet on the support portion 6; in this way, the ablation electrode sheet has elasticity and can rebound to the initial position.

[0045] In one embodiment, if Figure 4 and Figure 5 As shown, the support portion 6 includes a support body 61, on which a mounting portion 62 for mounting an ablation electrode sheet is provided; a second yielding portion 63 is provided on the support body 61, and the second yielding portion 63 is a slot hole, which is communicated with the mounting portion 62 and is used to yield a wire electrically connected to the ablation electrode sheet; an installation space 64 adapted to the connector 5 is formed on one side of the support body 61 away from the mounting portion 62, so that the volume between the support portion 6 and the connector 5 is relatively small, and can be used in more occasions.

[0046] In one embodiment, if Figure 5As shown, it also includes a rotating part 8, and the support part 6 is rotatably connected to the connecting member 5 through the rotating part 8; the rotating part 8 includes a first connecting block 81 connected to the support part 6 and a second connecting block 82 connected to the connecting member 5 and matched with the first connecting block 81; there are two first connecting blocks 81, and the two first connecting blocks 81 are integrally formed with the support part 6 at intervals; the second connecting block 82 is located between the two first connecting blocks 81, and the second connecting block 82 is integrally formed with the connecting member 5; a first connecting hole 811 is provided on the first connecting block 81, and a second connecting hole 821 is provided on the second connecting block 82. When the second connecting block 82 is matched with the two first connecting blocks 81, the center line of the second connecting hole 821 coincides with the center line of the first connecting hole 811, and a rotating shaft 9 is rotatably connected between the second connecting hole 821 and the first connecting hole 811, as shown Figure 2 As shown, the support part 6 and the connecting member 5 can rotate relative to each other, and after driving the gastroscope, the ablation electrode sheet on the support part 6 can be closely attached to the affected area.

[0047] In summary, the ablation electrode sheet and ablation device of the present application can be transparent under the endoscope, does not affect the display of endoscopic imaging, helps the operator to judge the electrode's adhesion to the lesion area and the display of the ablation process, is easy to operate, and has strong practicality.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0050] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0051] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0052] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0053] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. An ablation electrode sheet, characterized in that: It includes: The electrode sheet body has a plurality of visible spaces formed at intervals; the electrode sheet body is formed by staggering a plurality of first metal conductors and a plurality of second metal conductors, and a preset angle is set between the plurality of first metal conductors and the plurality of second metal conductors.

2. The ablation electrode sheet according to claim 1, characterized in that: A plurality of the first metal conductors and a plurality of the second metal conductors are woven to form the electrode sheet body; or, The connection points formed by staggered connection between the first metal conductors and the second metal conductors are fixed by welding.

3. The ablation electrode sheet according to claim 1, characterized in that: The electrode sheet body is a metal sheet structure, and a plurality of visible spaces are formed by cutting on the electrode sheet body.

4. The ablation electrode sheet according to claim 1, characterized in that: The visible space is rectangular or rhombus-shaped.

5. The ablation electrode sheet according to claim 1, characterized in that: The length and width of the visible space are both 0.05-1 mm.

6. The ablation electrode sheet according to claim 1, characterized in that: The first metal conductor and the second metal conductor are made of nickel-titanium alloy wire, stainless steel wire, cobalt-chromium alloy wire, silver wire, gold wire or platinum-iridium alloy wire.

7. The ablation electrode sheet according to claim 1 or 6, characterized in that: The diameter of the first metal conductor is 0.02-0.5 mm, and the diameter of the second metal conductor is 0.02-0.5 mm.

8. An ablation device, characterized in that: It includes: Connectors, A supporting part, rotatably connected to the connecting member; The ablation electrode sheet as described in any one of claims 1 to 7, wherein the ablation electrode sheet is connected to a support portion.

9. The ablation device according to claim 8, characterized in that: The connecting piece is formed with a first connecting portion for the catheter to pass through, and the end of the catheter close to the supporting portion is connected to the supporting portion.

10. The ablation device according to claim 8, characterized in that: The support portion comprises a support body, and a mounting portion for mounting an ablation electrode sheet is provided on the support body.

11. The ablation device according to claim 10, characterized in that: The support body is provided with a second easing portion, and the second easing portion is communicated with the mounting portion.

12. The ablation device according to claim 10 or 11, characterized in that: An installation space adapted to the connecting piece is formed on the supporting body.

13. The ablation device according to claim 8, characterized in that: It also includes a rotating part, and the supporting part is rotatably connected to the connecting member through the rotating part; the rotating part includes a first connecting block connected to the supporting part and a second connecting block connected to the connecting member and matched with the first connecting block; there are two first connecting blocks, and the second connecting block is located between the two first connecting blocks; a first connecting hole is provided on the first connecting block, and a second connecting hole is provided on the second connecting block. When the second connecting block is matched with the two first connecting blocks, a rotating shaft is rotatably connected between the second connecting hole and the first connecting hole.

Images