CN113829570B - Radio frequency pen processing method - Google Patents

Abstract

The invention provides a radio frequency pen processing method. The radio frequency pen processing method comprises the following steps: step S1: extending part of the connecting piece into a first die for injection molding to form a first injection molding piece, wherein the first injection molding piece comprises a first limiting part; step S2: the two electrode plates are respectively arranged on two sides of the first injection molding piece, the first limiting part is used for positioning the two electrode plates, and then the assembled two electrode plates and the first injection molding piece are placed into a second mold for injection molding to form the radio frequency pen. The invention effectively solves the problems that the combination stability of the radio frequency pen in the prior art is poor, and the size fluctuation of parts is not easy to match, thereby influencing the normal use of the radio frequency pen.

Description

Radio frequency pen processing method

Technical Field

The invention relates to the technical field of medical instruments, in particular to a radio frequency pen processing method.

Background

Currently, radiofrequency ablation devices include radiofrequency ablation clamps and radiofrequency pens. The radio frequency pen and the radio frequency ablation forceps are used in combination for radio frequency ablation treatment of atrial fibrillation surgery. The radio frequency pen can perform radio frequency ablation, electrocardiograph mapping and stimulation pacing in the atrial fibrillation radio frequency ablation treatment process, the mapping position can be flexibly selected, the complexity of radio frequency ablation operation is reduced, and the operation time is shortened.

However, in the prior art, the electrode plate is fixed by the radio frequency pen usually in a glue bonding mode, so that the structural stability of the radio frequency pen is poor, the risk that the electrode plate falls off exists, and because a plurality of parts are needed to be matched during bonding, the process is completely controlled by manpower, poor matching among the parts exists, and the normal use of the radio frequency pen can be influenced.

Disclosure of Invention

The invention mainly aims to provide a radio frequency pen processing method, which aims to solve the problems that in the prior art, the combination stability of a radio frequency pen is poor, and the size fluctuation of parts is not easy to match, so that the normal use of the radio frequency pen is affected.

In order to achieve the above object, the present invention provides a method for processing a radio frequency pen, including: step S1: extending part of the connecting piece into a first die for injection molding to form a first injection molding piece, wherein the first injection molding piece comprises a first limiting part; step S2: the two electrode plates are respectively arranged on two sides of the first injection molding piece, the first limiting part is used for positioning the two electrode plates, and then the assembled two electrode plates and the first injection molding piece are placed into a second mold for injection molding to form the radio frequency pen.

Further, the first limiting part is a limiting protrusion, the electrode plate is provided with a limiting concave part, and the limiting protrusion extends into the limiting concave part and is limited and stopped by the limiting concave part.

Further, the first injection molding further includes: the first limiting part is arranged on the injection molding body; the second limiting part is arranged at the end part of the injection molding body, which is close to the connecting piece, and the second limiting part is in limiting stop with the plate surface of the electrode plate.

Further, the injection molding body is of a plate-shaped structure, the second limiting part is provided with a first limiting surface and a second limiting surface which are mutually perpendicular to the plate-shaped structure, the first limiting surface and the second limiting surface are mutually parallel, and the first limiting surface and the second limiting surface are respectively contacted with two end surfaces of the electrode plate and limit the stop.

Further, the first injection molding piece includes a first side, a first top surface and a second side that are sequentially connected, and step S2 includes: step S21: loading the assembled two electrode plates and the first injection molding piece into a second mold; step S22: and carrying out injection molding on the first injection molding piece and the non-ablation parts of the two electrode plates to form the radio frequency pen.

Further, each electrode plate comprises a third side, a second top surface and a fourth side which are connected in sequence, and the non-ablation part comprises the third side and/or the fourth side.

Further, the first injection molding piece includes a first side, a first top surface and a second side that are sequentially connected, and step S2 includes: step S21: loading the assembled two electrode plates and the first injection molding piece into a second mold; step S22: injection molding is carried out on the first injection molding piece and at least part of the side edges of the two electrode plates to form a second injection molding piece; step S23: the part, located between the two electrode plates, on the top end of the second injection molding piece is a sub injection molding part, and the sub injection molding part and part of the plate surfaces, located outside the second injection molding piece, of the two electrode plates are subjected to injection molding to form the radio frequency pen.

Further, each electrode plate includes a third side, a second top surface and a fourth side, which are sequentially connected, and in step S22, the first side, the second side and the third side and/or the fourth side of the two electrode plates are injection molded.

Further, the first injection molding piece is provided with a first hole-shaped structure, each electrode plate is provided with a second hole-shaped structure, the inner surface of the second mold is provided with a protruding part, and the protruding part is arranged in the first hole-shaped structure and the second hole-shaped structure in a penetrating mode so as to limit the first injection molding piece and the second mold.

Further, along the peripheral direction of the radio frequency pen, the width of the ablation part exposed outside of the electrode plate is consistent; each electrode plate comprises a third side edge, a second top surface and a fourth side edge which are sequentially connected; wherein the ablation portion includes: a second top surface; and/or a third side; and/or a fourth side.

By applying the technical scheme of the invention, in the injection molding process, part of the connecting piece stretches into the first die to perform injection molding so as to form a first injection molding piece, and the first injection molding piece comprises a first limiting part. The first limiting part is used for positioning the electrode plates, so that the accuracy of the installation position of the electrode plates is guaranteed, and the assembled two electrode plates and the first injection molding piece are placed into the second mold for injection molding to form the radio frequency pen. Because the radio frequency pen is formed in an integral injection molding mode, the problems that the combination stability of the radio frequency pen in the prior art is poor, the size fluctuation of parts is not easy to match, and the normal use of the radio frequency pen is affected are solved, and the problem that the normal use of the radio frequency pen is affected due to the falling or shifting of the electrode plates is avoided. Meanwhile, the injection molding process simplifies the production flow, improves the production efficiency and shortens the processing period.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic perspective view of a first embodiment of a first injection molded part formed by the method of processing a radio frequency pen according to the present invention;

FIG. 2 shows a front view of the first injection molded part of FIG. 1;

FIG. 3 shows a side view of the first injection molded part of FIG. 1;

FIG. 4 is a schematic perspective view showing the first injection molding member of FIG. 1 assembled with an electrode plate;

FIG. 5 shows a front view of the first injection molded part of FIG. 4 assembled with an electrode plate;

FIG. 6 is a schematic perspective view of a second embodiment of a second injection molded part formed by the method of processing a radio frequency pen according to the present invention;

FIG. 7 shows a front view of the second injection molded part of FIG. 6;

FIG. 8 shows a side view of the second injection molded part of FIG. 6;

FIG. 9 is a schematic perspective view of a second embodiment of a RF pen formed by the RF pen processing method according to the present invention;

FIG. 10 shows a front view of the RF pen of FIG. 9;

FIG. 11 shows a side view of the RF pen of FIG. 9;

fig. 12 shows a flowchart of an embodiment one of a radio frequency pen processing method according to the present invention.

Wherein the above figures include the following reference numerals:

10. a connecting piece; 20. a first injection molded part; 21. a first limit part; 22. injection molding the body; 23. a second limit part; 231. a first limiting surface; 232. the second limiting surface; 24. a first side; 25. a second side; 26. a first porous structure; 30. an electrode plate; 31. a limit concave part; 32. a third side; 33. a second top surface; 34. a fourth side; 35. a second hole structure; 40. a second injection molded part; 401. a second injection molded body portion; 402. a third top surface; 41. and a sub injection molding part.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with respect to the orientation shown in the drawings or to the vertical, vertical or gravitational orientation; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.

In order to solve the problems that in the prior art, the combination stability of a radio frequency pen is poor, and the size fluctuation of parts is not easy to match, so that the normal use of the radio frequency pen is affected, the application provides a radio frequency pen processing method.

Example 1

As shown in fig. 12, the radio frequency pen processing method includes:

step S1: extending part of the connectingpiece 10 into a first mold for injection molding to form a firstinjection molding piece 20, wherein the firstinjection molding piece 20 comprises a first limitingpart 21;

step S2: the twoelectrode plates 30 are respectively arranged at two sides of the firstinjection molding piece 20, the first limitingpart 21 is used for positioning the twoelectrode plates 30, and then the assembled twoelectrode plates 30 and the firstinjection molding piece 20 are put into a second mold for injection molding to form the radio frequency pen.

By applying the technical scheme of the embodiment, during the injection molding process, part of the connectingpiece 10 extends into the first mold to perform injection molding, so as to form a firstinjection molding piece 20, and the firstinjection molding piece 20 includes a first limitingportion 21. The first limitingpart 21 is used for positioning theelectrode plates 30, so that the accuracy of the installation position of theelectrode plates 30 is guaranteed, and the assembled twoelectrode plates 30 and the firstinjection molding piece 20 are placed into a second mold for injection molding to form the radio frequency pen. Because the radio frequency pen is formed in an integral injection molding mode, the problems that the structural stability of the radio frequency pen in the prior art is poor, and the normal use of the radio frequency pen is affected are solved, and the normal use of the radio frequency pen is prevented from being affected due to the falling or shifting of the electrode plate. Meanwhile, the injection molding process simplifies the production flow, improves the production efficiency and shortens the processing period.

As shown in fig. 1 to 5, the first limitingportion 21 is a limiting protrusion, theelectrode plate 30 has a limitingrecess 31, and the limiting protrusion extends into the limitingrecess 31 and is limited by the limitingrecess 31. Like this, spacing arch is columnar structure, and spacingconcave part 31 is the through-hole, and columnar structure stretches into in the through-hole and with the spacing backstop of the pore wall of through-hole, and then realizes the location offirst spacing portion 21 toelectrode plate 30, avoids taking place the phenomenon that electrodeplate 30 shifted and influence the processingquality of radio frequency pen in the injection molding process.

The structure of thefirst stopper 21 is not limited to this. Optionally, the first limitingportion 21 is a limiting recess, theelectrode plate 30 has a limiting protrusion, and the limiting protrusion extends into the limiting recess to limit the stop of the limiting recess.

As shown in fig. 1 to 5, thefirst injection molding 20 further includes aninjection molding body 22 and a second limitingportion 23. Wherein,first spacing portion 21 sets up oninjection molding body 22. The second limitingpart 23 is arranged at the end part of theinjection molding body 22, which is close to the connectingpiece 10, and the second limitingpart 23 is in limiting stop with the plate surface of theelectrode plate 30. Thus, the second limitingpart 23 and theelectrode plate 30 limit and stop, and further the second limitingpart 23 positions theelectrode plate 30. The second limitingpart 23 is provided with a wire passing space for the wires to pass through, so that the internal structure layout of the radio frequency pen is more reasonable and compact.

Specifically, the number of theelectrode plates 30 is two, the twoelectrode plates 30 are respectively installed at two sides of the firstinjection molding piece 20, the number of the first limitingparts 21 is two, the two first limitingparts 21 are arranged in one-to-one correspondence with the twoelectrode plates 30, and then the firstinjection molding piece 20 is used for positioning the twoelectrode plates 30. Meanwhile, the second limitingportions 23 can limit the twoelectrode plates 30, respectively. Meanwhile, the second limitingpart 23 is provided with a wire passing space for the wires to pass through, and the wires connected with theelectrode plates 30 respectively pass through the wire passing space and then are connected with the host.

As shown in fig. 1, theinjection molding body 22 is a plate-shaped structure, the second limitingportion 23 has a first limitingsurface 231 and a second limitingsurface 232 that are perpendicular to the plate-shaped structure, the first limitingsurface 231 and the second limitingsurface 232 are parallel to each other, and the first limitingsurface 231 and the second limitingsurface 232 are respectively in contact with two end surfaces of theelectrode plate 30 and limit stops. Thus, the second limitingportion 23 can limit theelectrode plate 30, and limiting reliability of the second limitingportion 23 is further improved.

Specifically, in the injection molding process, the first limitingsurface 231 and the second limitingsurface 232 can contact with two end surfaces of eachelectrode plate 30 and limit and stop the two end surfaces, so that injection molding accuracy is improved, and a line passing space between eachelectrode plate 30 and theinjection molding body 22 is also ensured.

In this embodiment, thefirst injection molding 20 includes afirst side 24, a first top surface and asecond side 25 connected in sequence, and step S2 includes:

step S21: loading the assembled twoelectrode plates 30 and thefirst injection molding 20 into a second mold;

step S22: thefirst injection molding 20 and the non-ablated portions of the twoelectrode plates 30 are injection molded to form a radio frequency pen.

As shown in fig. 1 to 5, the first injection-moldedpart 20 is formed after the first injection molding is completed. Thereafter, thefirst side 24, thesecond side 25, the top and at least part of the sides of the twoelectrode plates 30 of thefirst injection molding 20 are injection molded for the second time to form the rf pen. Thus, the radio frequency pen is formed by secondary injection molding, so that the position of theelectrode plate 30 in the radio frequency pen is more accurate, normal use of the radio frequency pen is ensured, and the use reliability of the radio frequency pen is improved. Wherein thefirst injection molding 20 and the twoelectrode plates 30 are injection molded, and the secondtop surface 33 of theelectrode plate 30 is exposed and uncovered.

In the present embodiment, the first injection-moldedmember 20 is formed by one injection molding. The firstinjection molding piece 20 limits theelectrode plates 30, and after the limiting of theelectrode plates 30 is completed, thefirst side 24, thesecond side 25, the top and at least part of the sides of the twoelectrode plates 30 of the firstinjection molding piece 20 are subjected to secondary injection molding to form the radio frequency pen. Thus, the accurate positioning of the radio frequency pen is realized by the arrangement, and the position precision among all parts of the radio frequency pen is ensured.

As shown in fig. 4, eachelectrode plate 30 includes athird side 32, a second top 33 and afourth side 34 connected in sequence, and the non-ablative portion includes thethird side 32 and thefourth side 34. Thus, the arrangement ensures that the middle part of theelectrode plate 30 is positioned in the secondinjection molding piece 40, and the influence on the service life of the radio frequency pen caused by structural damage to the middle part of theelectrode plate 30 is avoided.

In other embodiments not shown in the figures, the non-ablative portion includes only a third side. Like this, above-mentioned setting guarantees that the fourth side of electrode plate exposes outside, and then has increased the area of ablating of radio frequency pen, and makes the radio frequency pen carry out radio frequency to a whole line and ablates, once only forms a complete line of ablating.

In other embodiments not shown in the figures, the non-ablating portion includes only a fourth side. Like this, above-mentioned setting guarantees that the third side of electrode plate exposes outside, and then has increased the area of ablating of radio frequency pen, and makes the radio frequency pen carry out radio frequency to a whole line and ablates, once only forms a complete line of ablating.

As shown in fig. 1, 2, 4 and 5, the firstinjection molding member 20 has afirst hole structure 26, eachelectrode plate 30 has asecond hole structure 35, and the inner surface of the second mold has a protruding portion, and the protruding portion is disposed in thefirst hole structure 26 and thesecond hole structure 35 in a penetrating manner so as to limit the firstinjection molding member 20 and the second mold. Like this,first spacing portion 21 is spacing to the tip that the connectingpiece 10 was kept away from toelectrode plate 30, and the protruding portion wears to establish in firsthole form structure 26 and secondhole form structure 35, carries out spacingly to the middle part ofelectrode plate 30, and then avoids in the injection moldingprocess electrode plate 30 to take place to remove forfirst injection molding 20 and influence the relative position between each part in the radio frequency pen. Meanwhile, the above arrangement makes the position of the firstinjection molding member 20 in the second mold more accurate, so that the subsequent injection molding is facilitated.

In this embodiment, the exposed ablation portion of theelectrode plate 30 has a uniform width along the outer circumference of the rf pen. Eachelectrode plate 30 includes athird side 32, a second top 33, and afourth side 34 connected in sequence. Wherein the ablation portion comprises a secondtop surface 33. Therefore, the appearance of the radio frequency pen is more attractive, the radio frequency ablation accuracy and accuracy of the radio frequency pen are improved, and the ablation efficiency of the radio frequency pen is improved.

Note that the structure of the ablation portion is not limited thereto. In other embodiments not shown in the figures, the ablation portion includes a second top surface and a third side edge. Like this, above-mentioned setting can increase the area of ablating of radio frequency pen, has promoted ablation efficiency, and makes the user to the ablation of a whole line easier, simple and convenient, complete, has reduced the user operation degree of difficulty.

Note that the structure of the ablation portion is not limited thereto. In other embodiments not shown in the figures, the ablation portion includes a second top surface and a fourth side edge. Like this, above-mentioned setting can increase the area of ablating of radio frequency pen, has promoted ablation efficiency, and makes the user to the ablation of a whole line easier, simple and convenient, complete, has reduced the user operation degree of difficulty.

Example two

The radio frequency pen processing method in the second embodiment is different from the first embodiment in that: the processing steps in step S2 are different.

In this embodiment, thefirst injection molding 20 includes afirst side 24, a first top surface and asecond side 25 connected in sequence, and step S2 includes:

step S21: loading the assembled twoelectrode plates 30 and thefirst injection molding 20 into a second mold;

step S22: injection molding the firstinjection molding member 20 and at least part of the sides of the twoelectrode plates 30 to form a secondinjection molding member 40;

step S23: the part of the top end of the secondinjection molding piece 40 located between the twoelectrode plates 30 is a subinjection molding part 41, and the subinjection molding part 41 and part of the plate surface of the twoelectrode plates 30 located outside the secondinjection molding piece 40 are subjected to injection molding to form a radio frequency pen.

As shown in fig. 6 to 11, the first injection-moldedarticle 20 is formed after the first injection molding is completed. Then, thefirst side 24, thesecond side 25 and at least part of the sides of the twoelectrode plates 30 of the first injection-moldedpart 20 are injection-molded for the second time to form a second injection-moldedpart 40. Finally, the subinjection molding part 41 and part of the plate surface of the twoelectrode plates 30 outside the secondinjection molding part 40 are injection molded to form the radio frequency pen. Thus, the radio frequency pen is formed by three times of injection molding, so that the position of theelectrode plate 30 in the radio frequency pen is more accurate, normal use of the radio frequency pen is ensured, and the use reliability of the radio frequency pen is improved.

In the present embodiment, the first injection-moldedmember 20 is formed by one injection molding. The firstinjection molding piece 20 limits theelectrode plate 30, and injection molding is performed on the top ends of theelectrode plate 30 after the limiting is completed, so as to form a secondinjection molding piece 40. Finally, the subinjection molding part 41 is injection molded to form a radio frequency pen. Therefore, the positioning of the radio frequency pen for many times is realized by the arrangement, and the position precision among all parts of the radio frequency pen is ensured.

As shown in fig. 9 to 11, thesecond injection molding 40 includes a second injection moldingmain body portion 401. Wherein, the second injection moldingmain body 401 is coated outside part of theelectrode plate 30. The part of the plate surfaces of the twoelectrode plates 30 outside the secondinjection molding member 40 is injection molded to form a thirdtop surface 402, and a preset distance is provided between the thirdtop surface 402 and the secondtop surface 33 of theelectrode plate 30, so that the secondtop surface 33 is exposed.

In the present embodiment, eachelectrode plate 30 includes athird side 32, a second top 33 and afourth side 34 connected in sequence, and in step S22, thefirst side 24, thesecond side 25 and thethird side 32 and thefourth side 34 of the twoelectrode plates 30 are injection molded. Thus, the arrangement ensures that the middle part of theelectrode plate 30 is positioned in the secondinjection molding piece 40, and the influence on the service life of the radio frequency pen caused by structural damage to the middle part of theelectrode plate 30 is avoided.

In other embodiments not shown in the drawings, in step S22, the first side, the second side, and the third sides of the two electrode plates are injection molded. Like this, above-mentioned setting guarantees that the fourth side of electrode plate exposes outside, and then has increased the area of ablating of radio frequency pen, and makes the radio frequency pen carry out radio frequency to a whole line and ablates, once only forms a complete line of ablating.

In other embodiments not shown in the drawings, in step S22, the first side, the second side, and the fourth sides of the two electrode plates are injection molded. Like this, above-mentioned setting guarantees that the third side of electrode plate exposes outside, and then has increased the area of ablating of radio frequency pen, and makes the radio frequency pen carry out radio frequency to a whole line and ablates, once only forms a complete line of ablating.

From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

in the injection molding process, part of the connecting piece stretches into the first mold to be subjected to injection molding so as to form a first injection molding piece, and the first injection molding piece comprises a first limiting part. The first limiting part is used for positioning the electrode plates, so that the accuracy of the installation position of the electrode plates is guaranteed, and the assembled two electrode plates and the first injection molding piece are placed into the second mold for injection molding to form the radio frequency pen. Because the radio frequency pen is formed in an integral injection molding mode, the problems that the structural stability of the radio frequency pen in the prior art is poor, and the normal use of the radio frequency pen is affected are solved, and the normal use of the radio frequency pen is prevented from being affected due to the falling or shifting of the electrode plate. Meanwhile, the injection molding process simplifies the production flow, improves the production efficiency and shortens the processing period.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A method of processing a radio frequency pen, comprising:

step S1: extending part of the connecting piece (10) into a first die for injection molding to form a first injection molding piece (20), wherein the first injection molding piece (20) comprises a first limiting part (21);

step S2: two electrode plates (30) are respectively arranged at two sides of the first injection molding piece (20), the first limiting part (21) is used for positioning the two electrode plates (30), and then the two assembled electrode plates (30) and the first injection molding piece (20) are put into a second mold for injection molding to form a radio frequency pen;

the first injection molding (20) further comprises:

an injection molding body (22), wherein the first limiting part (21) is arranged on the injection molding body (22);

the second limiting part (23) is arranged at the end part of the injection molding body (22) close to the connecting piece (10), and the second limiting part (23) and the plate surface of the electrode plate (30) are limited and stopped.

2. The radio frequency pen processing method according to claim 1, wherein the first limiting portion (21) is a limiting protrusion, the electrode plate (30) is provided with a limiting concave portion (31), and the limiting protrusion extends into the limiting concave portion (31) and is in limiting stop with the limiting concave portion (31).

3. The radio frequency pen processing method according to claim 1, wherein the injection molding body (22) is of a plate-shaped structure, the second limiting portion (23) is provided with a first limiting surface (231) and a second limiting surface (232) which are perpendicular to the plate-shaped structure, the first limiting surface (231) and the second limiting surface (232) are parallel to each other, and the first limiting surface (231) and the second limiting surface (232) are respectively contacted with two end surfaces of the electrode plate (30) and limit stops.

4. The method according to claim 1, wherein the first injection molding (20) includes a first side (24), a first top surface, and a second side (25) connected in sequence, and the step S2 includes:

step S21: loading the assembled electrode plates (30) and the first injection molding piece (20) into the second mold;

step S22: -injection moulding the first injection moulding (20) and the non-ablative portions of the two electrode plates (30) to form the radio frequency pen.

5. The radio frequency pen processing method according to claim 4, wherein each electrode plate (30) includes a third side (32), a second top surface (33) and a fourth side (34) connected in sequence, and the non-ablation portion includes the third side (32) and/or the fourth side (34).

6. The method according to claim 1, wherein the first injection molding (20) includes a first side (24), a first top surface, and a second side (25) connected in sequence, and the step S2 includes:

step S21: loading the assembled electrode plates (30) and the first injection molding piece (20) into the second mold;

step S22: -injection moulding at least part of the sides of the first injection-moulded part (20) and of the two electrode plates (30) to form a second injection-moulded part (40);

step S23: the part, located between the two electrode plates (30), on the top end of the second injection molding piece (40) is a sub injection molding part (41), and injection molding is performed on the sub injection molding part (41) and part of the plate surfaces, located outside the second injection molding piece (40), of the two electrode plates (30) to form the radio frequency pen.

7. The radio frequency pen processing method according to claim 6, wherein each electrode plate (30) includes a third side (32), a second top (33) and a fourth side (34) connected in sequence, and in the step S22, the first side (24), the second side (25) and the third side (32) and/or the fourth side (34) of two electrode plates (30) are injection molded.

8. The radio frequency pen processing method according to claim 4 or 6, wherein the first injection molding (20) has a first hole structure (26), each electrode plate (30) has a second hole structure (35), and the inner surface of the second mold has a protruding portion, and the protruding portion is inserted into the first hole structure (26) and the second hole structure (35) to limit the first injection molding (20) and the second mold.

9. The radio frequency pen processing method according to claim 1, wherein the width of the exposed ablation portion of the electrode plate (30) is uniform along the outer circumference of the radio frequency pen; each electrode plate (30) comprises a third side (32), a second top surface (33) and a fourth side (34) which are connected in sequence; wherein the ablation portion comprises:

-said second top surface (33); and/or

-said third side edge (32); and/or

The fourth side (34).

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