High-durability radio frequency plasma operation electrode

Abstract

The utility model discloses a high-durability radio frequency plasma operation electrode which comprises a tool bit, a handle, an outer suction tube and a power line. The scalpel head comprises a fixed seat, and a working electrode, an inner suction tube and a loop electrode which are fixed on the fixed seat; the fixed seat is mounted in the loop electrode, the inner suction tube is communicated with the outer suction tube, the working electrode is fixed in the fixed seat through two pins, a hollow hole is formed in the working electrode, a non-hollow hole area of the working electrode is a working surface of the working electrode, the fixed seat is provided with a suction channel, and the suction channel is communicated with the outer suction tube. And two ends of the suction channel are respectively communicated with the hollow hole and the inner suction tube. According to the utility model, the working electrode is fixed on the fixed seat through the two wide pins, so that the structure is stable and reliable, and the safety of the electrode in working is greatly improved; the width of the pin is increased, and the service life of the working electrode is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of plasma scalpels, in particular to a high-durability radiofrequency plasma surgical electrode. Background Art

[0002] The authorized patent number is: CN 218009941U, and the patent name is: A plasma scalpel head and a scalpel. This technical solution uses three bent pins fixed on an insulating base. Since the width of a single pin is small, when the current or voltage is too large, the pin is easily burned out, resulting in a short service life of the electrode.

[0003] Therefore, the prior art has defects and needs to be improved. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: to provide a high-durability radiofrequency plasma surgical electrode and extend the service life of the electrode.

[0005] The technical solution of the utility model is as follows: a high-durability radiofrequency plasma surgical electrode is provided, including: a knife head, a handle, an outer suction tube, and a power cord; the knife head includes a fixed seat, a working electrode fixed on the fixed seat, an inner suction tube, and a loop electrode; the fixed seat is installed inside the loop electrode, the inner suction tube is communicated with the outer suction tube, the working electrode is fixed inside the fixed seat through two pins, and a hollow hole is arranged on the working electrode; the non-hollow hole area of the working electrode is the working surface of the working electrode; the fixed seat is provided with a suction channel, and both ends of the suction channel are respectively communicated with the hollow hole and the inner suction tube. Preferably, the width of at least one pin is greater than 0.3 mm.

[0006] Further, the number of hollow holes is not less than 1, and at least 1 hollow hole is communicated with the suction channel.

[0007] Further, the working electrode abuts against the outer end surface of the fixed seat.

[0008] Further, at least one pin of the working electrode is electrically connected to the power cord, and the connection part between the pin and the power cord is wrapped by an insulating layer.

[0009] Further, one of the two electrode pin mounting holes on the fixed seat is a through hole.

[0010] Further, the material of the working electrode is a conductive and high-temperature resistant metal material, such as stainless steel.

[0011] Further, the material of the fixed seat is a high-temperature resistant insulating material, such as ceramic.

[0012] Adopting the above solution, the present utility model provides a highly durable radiofrequency plasma surgical electrode, which has the following advantages compared with the prior art:

[0013] (1) The working electrode is fixed on the fixed seat by two wide pins, with a stable and reliable structure, greatly improving the safety of the electrode during operation;

[0014] (2) At least one of the two pins has a width greater than 0.3, effectively improving the service life of the working electrode;

[0015] (3) It has an attracting function to timely discharge the waste liquid, solving the adverse effect on the line of sight. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of an embodiment of the present utility model;

[0017] Figure 2 It is Figure 1 a cross-sectional view of the embodiment;

[0018] Figure 3 It is a schematic structural diagram of an embodiment of the working electrode;

[0019] Figure 4 It is Figure 3 a schematic structural diagram of another perspective of the embodiment;

[0020] Figure 5 It is a schematic structural diagram of another embodiment of the working electrode;

[0021] Figure 6 It is Figure 5 a schematic structural diagram of another perspective of the embodiment;

[0022] Figure 7 It is a schematic structural diagram of yet another embodiment of the working electrode;

[0023] Figure 8 It is a schematic structural diagram of still another embodiment of the working electrode. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] Please refer to Figures 1-4, the present utility model provides a highly durable radiofrequency plasma surgical electrode, including a knife head, a handle, an outer suction tube, and a power cord; the handle, the outer suction tube, and the power cord are conventional components and thus not shown in the figure. The knife head includes a fixing base 11, a working electrode 13 fixed on the fixing base 11, an inner suction tube 12, and a return electrode 10; the fixing base 11 is installed inside the return electrode 13, the inner suction tube 12 communicates with the outer suction tube, the working electrode 13 is fixed inside the fixing base 11 through two pins 15, a hollow hole 16 is provided on the working electrode 13, and the non-hollow hole 16 area of the working electrode 13 is the working surface of the working electrode 13; the fixing base 11 is provided with a suction channel 18, and both ends of the suction channel 18 communicate with the hollow hole 16 and the inner suction tube 12 respectively. Preferably, the width of at least one pin 15 is greater than 0.3 mm.

[0026] In this embodiment, the working electrode 13 abuts against the outer end face of the fixing base 11.

[0027] In this embodiment, the pins of the working electrode 13 are electrically connected to the power cord 19, and the connection part between the pin 16 and the power cord 19 is wrapped by an insulating layer 20.

[0028] In this embodiment, one of the two electrode pin mounting holes on the fixing base 11 is a through hole, thus facilitating the electrical connection with the power cord 19.

[0029] In this embodiment, the material of the working electrode 13 is a conductive and high-temperature resistant metal material, such as stainless steel.

[0030] In this embodiment, the material of the fixing base 11 is a high-temperature resistant insulating material, such as ceramic.

[0031] Please refer to Figure 3 , there are 6 hollow holes 16. Two of the hollow holes 16 communicate with the suction channel 18.

[0032] Please refer to Figure 5 and Figure 6 , in one solution, the number of hollow holes 16 of the working electrode 13 is 5. One of the hollow holes 16 communicates with the suction channel 18.

[0033] Please refer to Figure 7 , in one solution, the number of hollow holes 16 of the working electrode 13 is 4. Two of the hollow holes 16 communicate with the suction channel 18.

[0034] Please refer to Figure 8 , in one solution, the number of hollow holes 16 of the working electrode 13 is 3. Two of the hollow holes 16 communicate with the suction channel 18.

[0035] In summary, the present utility model provides a high-durability radiofrequency plasma surgical electrode, which has the following advantages compared with the prior art:

[0036] (1) The working electrode is fixed on the fixed seat by two wide pins, with a stable and reliable structure, greatly improving the safety during the operation of the electrode;

[0037] (2) The width of the pins is increased, and at least one width is greater than 0.3 mm, effectively improving the service life of the working electrode;

[0038] (3) It has an attracting function to timely discharge the waste liquid, solving the adverse effect on the line of sight.

[0039] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-durability radiofrequency plasma surgical electrode, characterized in that, Including: A cutter head, a handle, an outer suction tube, and a power cord; the cutter head includes a fixing base, a working electrode fixed on the fixing base, an inner suction tube, and a loop electrode; the fixing base is installed inside the loop electrode, the inner suction tube is communicated with the outer suction tube, the working electrode is fixed inside the fixing base through two pins, and a hollow hole is provided on the working electrode; the non-hollow hole area of the working electrode is the working surface of the working electrode; the fixing base is provided with a suction channel, and both ends of the suction channel are respectively communicated with the hollow hole and the inner suction tube. The width of at least one pin is greater than 0.3 mm, the number of hollow holes is not less than 1, and at least 1 hollow hole is communicated with the suction channel.

2. The high-durability radiofrequency plasma surgical electrode according to claim 1, wherein The working electrode abuts against the outer end surface of the fixing base.

3. The high-durability radiofrequency plasma surgical electrode according to claim 1, characterized in that, For the working electrode, at least one pin is electrically connected to the power cord, and the connection part between the pin and the power cord is wrapped by an insulating layer.

4. A highly durable radiofrequency plasma surgical electrode according to claim 1, characterized in that, One of the two electrode pin mounting holes on the fixing base is a through hole.

5. A highly durable radiofrequency plasma surgical electrode according to claim 1, characterized in that, The material of the working electrode is a conductive and high-temperature resistant metal material.

6. A highly durable radiofrequency plasma surgical electrode according to claim 1, characterized in that, The material of the fixing base is a high-temperature resistant insulating material.

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