A surgical bipolar electrosurgical knife

Abstract

The application provides a surgical bipolar electrotome, which comprises a knife head, an outer sleeve fixing base, a fixing ring, a conversion base, a fixing ring power supply wire, a knife head electrode power supply wire, a rotating ring and a handle shell, the rotating ring fixes the conversion base on the outer sleeve fixing base, so that the outer sleeve fixing base, the conversion base and the rotating ring cannot rotate relative to each other, one end of the knife head electrode power supply wire is connected with the rotating ring, and the other end is connected with the electrode of the knife head, the fixing ring is fixed with the handle shell, the fixing ring is in frictional contact with the rotating ring, one end of the fixing ring power supply wire is fixed on the handle shell, and the other end of the fixing ring power supply wire is connected with the fixing ring. The technical scheme solves the problem of winding of the internal power supply wire of the electrotome in the rotating process of the knife head, realizes 360-degree rotation of the knife head, and increases the convenience of doctors in the surgical process.

Description

Technical Field

[0001] This invention relates to the field of medical devices, and further to a surgical electrosurgical unit, particularly to a 360-degree rotatable bipolar surgical electrosurgical unit. Background Technology

[0002] In existing technologies, bipolar electrosurgical units are used to coagulate tissue during surgery, causing tissue necrosis and blood coagulation. The coagulated tissue is then physically cut by pushing the blade at the jaws. However, most existing bipolar electrosurgical units cannot achieve 360-degree rotation, which causes some inconvenience for surgeons.

[0003] In the current technology, a power cord is installed inside the product. One end is connected to the blade jaw electrode, and the other end is fixed inside the product and extends out of the handle shell to be plugged into the main unit. If the surgical bipolar electrosurgical unit is to achieve 360-degree rotation, the power cord will get tangled or even break during the rotation of the blade, causing the product to malfunction.

[0004] Therefore, there is a need to develop a surgical bipolar electrosurgical unit that can rotate 360 ​​degrees. Summary of the Invention

[0005] This invention provides a surgical bipolar electrosurgical unit that can rotate 360 ​​degrees, thereby solving the technical problem that most surgical bipolar electrosurgical units in the prior art cannot achieve 360-degree rotation, which causes certain inconvenience to doctors during surgery.

[0006] This invention provides a surgical bipolar electrosurgical unit, comprising a cutting head, an outer tube fixing base, a fixing ring, a conversion base, a power supply line for the fixing ring, a power supply line for the cutting head electrode, a rotating ring, and a handle housing. The rotating ring fixes the conversion base to the outer tube fixing base, preventing the outer tube fixing base, the conversion base, and the rotating ring from rotating relative to each other. One end of the power supply line for the cutting head electrode is connected to the rotating ring, and the other end is connected to the electrode of the cutting head. The fixing ring is fixed to the handle housing and makes frictional contact with the rotating ring. One end of the power supply line for the fixing ring is fixed to the handle housing, and the other end is connected to the fixing ring.

[0007] Optionally, the rotating ring includes an inner surface and an outer surface, the fixed ring includes an inner surface and an outer surface, the inner surface of the rotating ring is connected to one end of the power supply line of the cutting head electrode, and the outer surface of the rotating ring is in frictional contact with the inner surface of the fixed ring.

[0008] Optionally, the power supply line of the fixed ring and the power supply line of the cutter electrode become conductive after frictional contact between the fixed ring and the rotating ring.

[0009] Optionally, the power supply line for the cutter electrode rotates with the rotation of the rotating ring, while the power supply line for the fixed ring remains stationary relative to the handle housing.

[0010] Optionally, there are two conversion seats and two rotating rings, with the two rotating rings fixing the two conversion seats to the outer tube fixing seat.

[0011] Optionally, there are two fixed rings, which are coaxially assembled with the two rotating rings respectively, and the inner surfaces of the two fixed rings are in frictional contact with the outer surfaces of the two rotating rings during the rotation of the rotating rings.

[0012] Optionally, one end of the power supply line for the cutter electrode is split into two power lines, which are respectively connected to the inner surfaces of the two rotating rings, and the other end of the power supply line for the cutter electrode is connected to the inner electrode of the cutter.

[0013] Optionally, one end of the power supply cable for the aforementioned fixing ring is fixed to the aforementioned handle housing, and the other end of the power supply cable for the aforementioned fixing ring is divided into two power lines, which are respectively connected to the two aforementioned fixing rings.

[0014] Optionally, the above-mentioned bipolar electrosurgical unit also includes a rotating head insert, a cannula positioning component, and a rotating head. The rotating head is fixed to the rotating head insert, the rotating head insert is fixed to the cannula positioning component, the cannula positioning component is fixed to the outer cannula fixing seat by screws, the cutting head is fixed to the outer cannula fixing seat, and the limiting groove of the handle shell limits the conversion seat so that the conversion seat can only rotate axially.

[0015] Optionally, the aforementioned fixed ring and the aforementioned rotating ring are conductors, and the aforementioned cutting head, the aforementioned outer tube fixing seat, the aforementioned conversion seat and the aforementioned rotating ring remain synchronized during rotation, driving the aforementioned cutting head to achieve 360-degree free rotation;

[0016] During rotation, the fixed ring connected to the power supply makes the rotating ring energized through frictional contact with the rotating ring, and the rotating ring transmits electrical energy to the inner electrode of the cutter head through the power supply line of the cutter head electrode.

[0017] The improvement of this invention lies in the addition of a rotating ring, a fixed ring, and a conversion seat structure. Preferably, the rotating ring and the fixed ring are made of copper and are conductive when in contact with each other. The conversion seat, used to fix the rotating ring, is made of plastic and is non-conductive. Simultaneously, the original power cord is split into two sections: one connecting the blade electrode to the rotating ring, and the other connecting the fixed ring to the main unit. During rotation, the rotating ring and the fixed ring remain in contact. An external power source is connected to the main unit, which provides power to the fixed ring via the power cord. The fixed ring, through its conductive contact with the rotating ring, provides power to the rotating ring, and the energized rotating ring provides power to the blade electrode via the power cord. This technical solution solves the problem of the internal power cord becoming entangled during blade rotation, achieving 360-degree rotation of the blade and increasing the convenience for surgeons during operations.

[0018] This invention addresses the aforementioned shortcomings of the prior art by using a 360-degree rotating structure that allows surgeons to freely rotate the blade during surgery and adjust to different viewing angles. Attached Figure Description

[0019] The above and other objects, features, and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated in the drawings by way of example and not limitation, wherein:

[0020] Figure 1 A partial three-dimensional internal structure diagram of an optional bipolar electrosurgical surgical instrument with a rotating head, provided for an embodiment of the present invention;

[0021] Figure 2 A partial internal structure diagram of an optional bipolar electrosurgical surgical instrument without a rotating head, provided for an embodiment of the present invention;

[0022] Figure 3-1 A partial internal structure diagram of an optional bipolar electrosurgical surgical instrument without a complete rotating head, provided for an embodiment of the present invention;

[0023] Figure 3-2 for Figure 3-1 A magnified structural diagram of part C;

[0024] Figure 4 An exploded view of the internal structure of an optional bipolar electrosurgical surgical instrument provided in an embodiment of the present invention;

[0025] Figure 5-1 A schematic diagram of the inner and outer surface structure of an optional fixing ring provided in an embodiment of the present invention;

[0026] Figure 5-2 This is a schematic diagram of the inner and outer surface structure of an optional rotating ring provided in an embodiment of the present invention.

[0027] Figure Identification :

[0028] 1: Cutting head, 2: Outer tube fixing seat, 3: Rotary head insert, 4: Outer tube positioning component, 5: Fixing ring, 6: Converter seat, 7: Fixing ring power supply cable, 8: Rotating ring and cutting head electrode power supply cable, 9: Rotating head, 10: Rotating ring, 11: Handle shell. Detailed Implementation

[0029] The principles and spirit of the invention will now be described with reference to several exemplary embodiments. It should be understood that these embodiments are provided merely to enable those skilled in the art to better understand and implement the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided to make this disclosure more thorough and complete, and to fully convey the scope of this disclosure to those skilled in the art.

[0030] like Figures 1 to 4 As shown, this embodiment of the invention provides a surgical bipolar electrosurgical unit, which includes a blade head 1, an outer tube fixing seat 2, a fixing ring 5, a conversion seat 6, a fixing ring power supply line 7, a blade head electrode power supply line 8, a rotating ring 10, and a handle housing 11. The rotating ring 10 fixes the conversion seat 6 to the outer tube fixing seat 2, so that the outer tube fixing seat 2, the conversion seat 6, and the rotating ring 10 cannot rotate relative to each other. One end of the blade head electrode power supply line 8 is connected to the rotating ring 10, and the other end is connected to the electrode of the blade head 1. The fixing ring 5 is fixed to the handle housing 11, and the fixing ring 5 is in frictional contact with the rotating ring 10. One end of the fixing ring power supply line 7 is fixed to the handle housing 11, and the other end of the fixing ring power supply line 7 is connected to the fixing ring 5. This technical solution replaces the continuous power cable from the blade to the handle in the prior art with two independent power cables: one for the blade electrode and one for the retaining ring. Together with other components, it forms a complete technical solution that solves the problem of the power cable tangling inside the electrosurgical unit during blade rotation, enabling 360-degree rotation of the blade and increasing the convenience for doctors during surgery.

[0031] Furthermore, such as Figure 5-1 and such Figure 5-2 As shown, the rotating ring 10 includes an inner surface 101 and an outer surface 102, and the fixed ring 5 includes an inner surface 51 and an outer surface 52. Figure 2 , Figure 3-2 and Figure 4 As shown, the inner surface 101 of the rotating ring is connected to one end of the power supply line 8 of the cutting head electrode, and the outer surface 102 of the rotating ring is in frictional contact with the inner surface 51 of the fixed ring.

[0032] Furthermore, the power supply line 7 of the fixed ring and the power supply line 8 of the cutter electrode become conductive through frictional contact between the fixed ring 5 and the rotating ring 10. This enables the cutter head to rotate 360 ​​degrees without the internal power lines of the electrosurgical unit becoming entangled.

[0033] Furthermore, the aforementioned cutting head electrode power supply line 8 rotates along with the rotation ring 10, while the aforementioned fixed ring power supply line 7 remains stationary relative to the aforementioned handle housing 11. This is because the cutting head electrode power supply line 8 and the fixed ring power supply line 7 are not physically connected, but rather conduct electrical energy through the frictional contact between the fixed ring and the rotation ring.

[0034] Furthermore, such as Figure 2 , Figure 3-2 and Figure 4 As shown, there are two conversion seats 6 and two rotating rings 10. When the two conversion seats 6 are aligned with the outer tube fixing seat 2, the two rotating rings 10 fix the two conversion seats 6 on the outer tube fixing seat 2.

[0035] Furthermore, such as Figure 2 , Figure 3-2 and Figure 4 As shown, there are two fixed rings 5. The two fixed rings 5 ​​are coaxially assembled with the two rotating rings 10. The inner surfaces 51 of the two fixed rings and the outer surfaces 102 of the two rotating rings are in frictional contact during the rotation of the rotating rings 10.

[0036] Furthermore, such as Figure 4 and Figure 5-2 As shown, one end of the power supply line 8 for the cutting head electrode is divided into two power lines, which are respectively connected to the inner surfaces 101 of the two rotating rings 10. The other end of the power supply line 8 for the cutting head electrode is connected to the inner electrode of the cutting head 1 to ensure that electrical energy can be conducted to the cutting head to make it rotate 360 ​​degrees.

[0037] Furthermore, such as Figure 4 and Figure 5-1 As shown, one end of the power supply line 7 for the fixed ring is fixed to the handle housing 11, and the other end of the power supply line 7 for the fixed ring is divided into two power lines, which are respectively connected to the two fixed rings 5 ​​to ensure that electrical energy can be conducted to the fixed ring so that electrical energy can be conducted to the rotating ring when it comes into frictional contact with the rotating ring.

[0038] Furthermore, such as Figures 1 to 4As shown, the aforementioned bipolar electrosurgical unit also includes a rotating head insert 3, a cannula positioning component 4, and a rotating head 9. The rotating head 9 is fixed to the rotating head insert 3. The rotating head insert 3 is fixed to the cannula positioning component 4. The cannula positioning component 4 is fixed to the outer cannula fixing seat 2 by screws. The cutting head 1 is fixed to the outer cannula fixing seat 2. Figure 3-1 and Figure 3-2 As shown, the limiting groove 111 of the handle housing 11 limits the conversion seat 6, so that the conversion seat 6 can only rotate axially.

[0039] Furthermore, the aforementioned fixed ring 5 and the aforementioned rotating ring 10 are conductors, and the aforementioned cutting head 1, the aforementioned outer tube fixing seat 2, the aforementioned conversion seat 6 and the aforementioned rotating ring 10 remain synchronized during rotation, driving the aforementioned cutting head 1 to achieve 360-degree free rotation;

[0040] During rotation, the fixed ring 5, which is connected to the power supply, makes the rotating ring 10 energized through frictional contact with the rotating ring 10. The rotating ring 10 then transmits electrical energy to the inner electrode of the cutter head 1 through the power supply line 8 of the cutter head electrode.

[0041] like Figures 1 to 4 As shown, an embodiment of the present invention provides a surgical bipolar electrosurgical unit, including: a blade head 1, an outer sheath fixing seat 2, a rotating head insert 3, a sheath positioning component 4, a fixing ring 5, a conversion seat 6, a power supply line for the fixing ring 7, a power supply line for the rotating ring and blade electrode 8, a rotating head 9, a rotating ring 10, and a handle housing 11.

[0042] Assembly instructions: as follows Figures 1 to 4 As shown, the rotating head 9 is fixed to two rotating head inserts 3, and the two rotating head inserts 3 are fixed to the sleeve positioning component 4. The sleeve positioning component 4 is fixed to the outer sleeve fixing seat 2 with screws. After the two conversion seats 6 and the outer sleeve fixing seat 2 are aligned, two rotating rings 10 are used to fix them at both ends of the conversion seat 6. The three cannot rotate relative to each other. The surgical electrode head 1 is fixed to the outer sleeve fixing seat 2. One end of the rotating ring and the power supply line 8 of the electrode head is connected to the inner surface of the two rotating rings 10 and the other end is connected to the inner electrode of the head 1. The two fixing rings 5 ​​are fixed to the handle shell 11. The two fixing rings 5 ​​and the two rotating rings 10 are coaxially assembled. The inner surface of the two fixing rings 5 ​​and the outer surface of the two rotating rings 10 are in frictional contact during rotation. The power supply line 7 of the fixing ring is fixed to the handle shell 11, and one end is connected to the two fixing rings 5 ​​respectively. The limiting groove of the handle shell 11 limits the conversion seat 6 so that it can only rotate axially.

[0043] Movement Description: Rotating the rotating head 9 will cause the two rotating head inserts 3 to rotate; the two rotating head inserts 3 will cause the outer tube fixing seat 2 to rotate; the outer tube fixing seat 2 will cause the two conversion seats 6, the two rotating rings 10, and the cutter head 1 to rotate together; the outer tube fixing seat 2, the two conversion seats 6, the two rotating rings 10, and the cutter head 1 will remain synchronized during rotation, so that the internal power cord can be prevented from getting tangled when rotating the rotating head 9, and the cutter head 1 can be driven to rotate freely 360 degrees.

[0044] The fixed ring 5 and the rotating ring 10 are conductors, and in this embodiment, they are made of copper. During rotation, the power supplied by the host machine provides power to the fixed ring 5 through the power supply line 7 of the fixed ring. The fixed ring 5 energizes the rotating ring 10 through contact engagement, and the rotating ring 10 transmits electrical energy to the inner electrode of the cutter head 1 through the power supply line 8 of the rotating ring and the cutter head electrode.

[0045] The existing technology product's internal power cord is split into two sections, front and rear, and a structure with two fixed rings, two rotating rings, and two conversion sockets is added.

[0046] The key feature of this invention is that it enables the surgical electrode tip to rotate freely 360 degrees. Compared with most existing tips that can only rotate 180 degrees or cannot achieve 360-degree rotation, this can save surgical time, improve the convenience of doctors during surgery, facilitate doctors' operation from various angles, and reduce surgical risks.

[0047] It should be noted that although several units / modules or sub-units / modules of the device have been mentioned in the detailed description above, this division is merely exemplary and not mandatory. In fact, according to embodiments of the present invention, the features and functions of two or more units / modules described above can be embodied in one unit / module. Conversely, the features and functions of one unit / module described above can be further divided and embodied by multiple units / modules.

[0048] While the spirit and principles of the invention have been described with reference to several specific embodiments, it should be understood that the invention is not limited to the disclosed specific embodiments, and the division of aspects does not imply that features in these aspects cannot be combined for benefit; such division is merely for ease of description. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A surgical bipolar electrosurgical unit, characterized in that, The surgical bipolar electrosurgical unit includes a blade (1), an outer tube fixing seat (2), a fixing ring (5), a conversion seat (6), a fixing ring power supply line (7), a blade electrode power supply line (8), a rotating ring (10), and a handle shell (11). The rotating ring (10) fixes the conversion seat (6) on the outer tube fixing seat (2), so that the outer tube fixing seat (2), the conversion seat (6), and the rotating ring (10) cannot rotate relative to each other. One end of the blade electrode power supply line (8) is connected to the rotating ring (10), and the other end is connected to the electrode of the blade (1). The fixing ring (5) is fixed to the handle shell (11), and the fixing ring (5) is in frictional contact with the rotating ring (10). One end of the fixing ring power supply line (7) is fixed on the handle shell (11), and the other end of the fixing ring power supply line (7) is connected to the fixing ring (5). The rotating ring (10) includes an inner surface (101) and an outer surface (102) of the rotating ring, and the fixed ring (5) includes an inner surface (51) and an outer surface (52) of the fixed ring. The inner surface (101) of the rotating ring is connected to one end of the power supply line (8) of the cutting head electrode, and the outer surface (102) of the rotating ring is in frictional contact with the inner surface (51) of the fixed ring. There are two conversion seats (6) and two rotating rings (10), and the two rotating rings (10) fix the two conversion seats (6) on the outer tube fixing seat (2); One end of the power supply line (8) for the cutting head electrode is divided into two power lines, which are respectively connected to the inner surface (101) of the two rotating rings (10), and the other end of the power supply line (8) for the cutting head electrode is connected to the inner electrode of the cutting head (1). There are two fixed rings (5). The two fixed rings (5) are coaxially assembled with the two rotating rings (10). The inner surfaces (51) of the two fixed rings and the outer surfaces (102) of the two rotating rings rub against each other during the rotation of the rotating rings (10).

2. The surgical bipolar electrosurgical unit according to claim 1, characterized in that, The power supply line (7) of the fixed ring and the power supply line (8) of the cutter electrode conduct electricity after they come into contact with each other through friction between the fixed ring (5) and the rotating ring (10).

3. The surgical bipolar electrosurgical unit according to claim 1, characterized in that, The power supply line (8) for the cutting head electrode rotates with the rotation of the rotating ring (10), while the power supply line (7) for the fixed ring remains stationary relative to the handle housing (11).

4. The surgical bipolar electrosurgical unit according to claim 3, characterized in that, One end of the power supply line (7) of the fixed ring is fixed to the handle housing (11), and the other end of the power supply line (7) of the fixed ring is divided into two power lines, which are connected to the two fixed rings (5) respectively.

5. The surgical bipolar electrosurgical unit according to claim 1, characterized in that, The surgical bipolar electrosurgical unit also includes a rotating head insert (3), a cannula positioning component (4), and a rotating head (9). The rotating head (9) is fixed to the rotating head insert (3), and the rotating head insert (3) is fixed to the cannula positioning component (4). The cannula positioning component (4) is fixed to the outer cannula fixing seat (2) by screws. The blade (1) is fixed to the outer cannula fixing seat (2). The limiting groove (111) of the handle shell (11) limits the conversion seat (6), so that the conversion seat (6) can only rotate axially.

6. The surgical bipolar electrosurgical unit according to any one of claims 1 to 5, characterized in that, The fixed ring (5) and the rotating ring (10) are conductors. The cutter head (1), the outer tube fixing seat (2), the conversion seat (6) and the rotating ring (10) remain synchronized during rotation, driving the cutter head (1) to achieve 360-degree free rotation. During rotation, the fixed ring (5) connected to the power supply makes the rotating ring (10) energized through frictional contact with the rotating ring (10), and the rotating ring (10) transmits electrical energy to the inner electrode of the cutting head (1) through the power supply line (8) of the cutting head electrode.

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