CN111920514A - smoking knife - Google Patents

Abstract

The invention relates to the technical field of attachments of medical devices, in particular to a smoking knife. The smoking pipe can be extended and retracted, and the retractable locking structure is simple, which is convenient for disassembly and assembly, and improves production efficiency. , Front cap, smoking pipe body, lower conductive sheet, electrode and tail cap, the pen body is tubular, one end of the smoking pipe body extends into the inside of the pen body, the smoking pipe body includes the front part of the smoking pipe and the rear part of the smoking pipe, and the electrode is installed in the smoking pipe. Inside the front section of the pipe and one end of the electrode protrudes from one end of the front section of the smoking pipe, the pen body is inlaid with an upper conductive sheet, the rear section of the smoking pipe away from the front section of the smoking pipe is provided with a communication hole, one end of the lower conductive sheet is connected to the electrode, and the other end of the lower conductive sheet is along the The communication hole extends to the outside of the rear section of the smoking pipe and then contacts the upper conductive sheet, and the tail cap is clamped on the end of the pen body away from the electrode.

Description

smoking knife

technical field

The present invention relates to the technical field of attachments of medical instruments, in particular to smoking knives.

Background technique

As we all know, the smoking knife is a high-frequency electrosurgical knife that destroys the diseased tissue through current. It is not caused by simply heating the electrode or the knife head. It gathers high-frequency current with high current density and directly destroys the effective electrode tip. The tissue below the contact point, when the temperature of the tissue or cell in contact with the effective electrode or adjacent to the adjacent tissue or cell rises to the point where the protein in the cell denatures, coagulation occurs. This precise surgical effect is determined by waveform, voltage, and current. , depending on the type of tissue and the shape and size of the electrode, the smoking knife often produces smoke during the process of cutting and coagulation, so a smoking pipe is connected to the smoking knife.

In order to meet the technical needs of the smokeable electric knife pen, a smoking knife with a retractable smoking pipe is specially introduced. Its clinical significance is to meet the needs of different depths of surgical sites, which can facilitate the doctor at any time during the operation according to the different surgical sites. Adjust the length of the smoking pipe to ensure the smoking effect.

However, the telescopic locking structure of the existing smoking knife is complicated, which affects the production efficiency and usage.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a smoking knife, the smoking pipe can be telescopic, and the telescopic locking structure is simple, which is convenient for disassembly and assembly, and improves the production efficiency.

The smoking knife of the present invention includes a button, an upper cover, a PCB board, a pen body, a front cap, a smoking pipe body, a lower conductive sheet, an electrode and a tail cap. The pen body is tubular, and one end of the smoking pipe body extends into the Inside the pen body, the smoking pipe body includes a front section of the smoking pipe and a rear section of the smoking pipe, the electrode is installed inside the front section of the smoking pipe, and one end of the electrode protrudes from one end of the front section of the smoking pipe. A communication hole is provided at one end of the front section away from the smoking pipe, one end of the lower conductive sheet is connected to the electrode, and the other end of the lower conductive sheet extends to the outside of the rear section of the smoking pipe along the communication hole and then contacts the upper conductive sheet, and the end cap is clamped. At the end of the pen body away from the electrode, the top of the pen body is provided with an opening, the upper cover is installed at the opening, the PCB board is electrically connected to the upper conductive sheet, the PCB board is provided with contacts corresponding to the buttons, and the PCB board is provided with contacts corresponding to the buttons. A connecting wire is electrically connected, the connecting wire extends along the tail cap to the outside of the pen body, the other end of the connecting wire is electrically connected with a plug, the front cap can be rotatably installed on one end of the pen body near the electrode, the smoking pipe body passes through the The inner wall of the cap is symmetrically connected with two arc-shaped locking pieces, the inner wall of one end of the pen body close to the electrode is symmetrically provided with two notches with gradual inner diameters, and the two locking pieces are respectively located at the two notches.

In the smoking knife of the present invention, a waterproof silicone pad is installed between the upper cover and the pen body, and the waterproof silicone pad is provided with a through hole for the button to pass through.

In the smoking knife of the present invention, one end of the lower conductive sheet connected to the electrode adopts a barb design, and the lower conductive sheet is connected to the electrode on multiple surfaces, and the end of the lower conductive sheet away from the electrode adopts a barb design.

In the smoking knife of the present invention, UV light curing glue is filled between the front section of the smoking pipe and the rear section of the smoking pipe.

In the smoking knife of the present invention, the upper conductive sheet is provided with a wire clipping protrusion.

In the smoking knife of the present invention, an annular protrusion is arranged on the outer side wall of one end of the pen body close to the front cap, and an annular groove matched with the annular projection is arranged on the inner wall of the front cap.

In the smoking knife of the present invention, the front cap and the pen body are provided with anti-slip protrusions.

In the smoking knife of the present invention, two buttons are provided, one is a cutting function button, and the other is a coagulation function button.

Compared with the prior art, the beneficial effects of the present invention are: during normal use, the waterproof silicone pad improves the sealing performance at the two buttons, the tail cap is communicated with the input end of the external air suction device, and the plug (not shown) is inserted in the On the socket, the device is powered on as a whole, and the two buttons are controlled to open and close operations. When the extension length of the smoking pipe body needs to be adjusted, the front cap is rotated. Rotate from the short diameter of the notch to the long diameter, the two sets of locking pieces are deformed and separated from the smoking pipe body, and then pull the front section of the smoking pipe to adjust the position of the smoking pipe body. The locking piece of the group moves from the long diameter of the notch to the short diameter, and the two locking pieces are deformed and contact the outer wall of the smoking pipe body to lock the position of the smoking pipe body. When the smoking pipe body moves, the lower conductive sheet is far away from the front. One end of the cap is always in contact with the upper conductive sheet to maintain a conductive state.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the present invention;

Fig. 3 is a partial enlarged view of part A in Fig. 2;

Figure 4 is a left side view of the front cap, the pen body and two sets of notches;

Fig. 5 is the exploded view of the present invention;

Fig. 6 is the exploded view of the present invention;

Markings in the drawings: 1, button; 2, upper cover; 3, PCB board; 4, pen body; 5, front cap; 6, smoking pipe body; 7, lower conductive sheet; 8, electrode; 9, tail cap; 61. Front section of smoking pipe; 62. Back section of smoking pipe; 10. Upper conductive sheet; 11. Connecting wire; 12. Locking sheet; 13. Notch; 14. Waterproof silicone pad; 15. Inverted teeth; 16. Barb 17. Card line protrusions; 18. Ring protrusions; 19. Anti-skid protrusions.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

As shown in Figures 1 to 6, the smoking knife of the present invention includes a button 1, an upper cover 2, a PCB board 3, a pen body 4, a front cap 5, a smoking pipe body 6, a lower conductive sheet 7, an electrode 8 and a tail cap 9. The pen body 4 is tubular, one end of the smoking pipe body 6 extends into the interior of the pen body 4, the smoking pipe body 6 includes a smoking pipe front section 61 and a smoking pipe rear section 62, the electrode 8 is installed inside the smoking pipe front section 61 and one end of the electrode 8 is installed. Protruding from one end of the front section 61 of the smoking pipe, the pen body 4 is inlaid with the upper conductive sheet 10, the rear section 62 of the smoking pipe is provided with a communication hole at one end away from the front section 61 of the smoking pipe, one end of the lower conductive sheet 7 is connected to the electrode 8, and the other end of the lower conductive sheet 7 is connected. One end extends to the outside of the rear section 62 of the smoking pipe along the communication hole and then contacts the upper conductive sheet 10, the tail cap 9 is clamped on the end of the pen body 4 away from the electrode 8, the top of the pen body 4 is provided with an opening, and the upper cover 2 is installed at the opening. , the PCB board 3 is electrically connected with the upper conductive sheet 10, the PCB board 3 is provided with a contact corresponding to the button 1, the PCB board 3 is electrically connected with a connecting wire 11, and the connecting wire 11 extends along the tail cap 9 to the pen body 4. Outside, the other end of the connecting wire 11 is electrically connected with a plug, the front cap 5 is rotatably mounted on one end of the pen body 4 close to the electrode 8, the smoking pipe body 6 passes through the front cap 5, and the inner wall of the front cap 5 is symmetrically connected with two arcs. The inner wall of one end of the pen body 4 close to the electrode 8 is symmetrically provided with two notches 13 with gradual inner diameters, and the two locking plates 12 are located at the two notches 13 respectively; The input end of the air device is connected, and the plug not shown is inserted into the socket to make the device energized as a whole, and the control button 1 is turned on and off. When it is necessary to adjust the extension length of the smoking pipe body 6, rotate the front cap Under the action of the two gaps 13 with gradual inner diameters, the two sets of locking pieces 12 are rotated from the short diameter of the gap 13 to the long diameter, and the two sets of locking pieces 12 are deformed and separated from the smoking pipe body 6, and then pull the smoking pipe. The front section 61 is used to adjust the position of the smoking pipe body 6. After the adjustment is completed, the front cap 5 is reversely rotated, and the two sets of locking pieces 12 are moved from the long diameter of the notch 13 to the short diameter, and the two sets of locking pieces 12 are deformed. The outer wall of the smoking pipe body 6 contacts to lock the position of the smoking pipe body 6. When the smoking pipe body 6 moves, the end of the lower conductive sheet 7 away from the front cap 5 is always in contact with the upper conductive sheet 10 and maintains a conductive state.

In the smoking knife of the present invention, a waterproof silicone pad 14 is installed between the upper cover 2 and the pen body 4 , and the waterproof silicone pad 14 is provided with a through hole for the button 1 to pass through; the waterproof silicone pad 14 improves the sealing performance of the button 1 .

In the smoking knife of the present invention, the connecting end of the lower conductive sheet 7 and the electrode 8 is designed with inverted teeth 15, and the lower conductive sheet 7 is connected with the electrode 8 on multiple surfaces, and the end of the lower conductive sheet 7 away from the electrode 8 is designed with a barb 16; One end connected to the electrode 8 adopts the inverted tooth 15 design to improve the connection reliability of the lower conductive sheet 7 and the front section 61 of the smoking pipe. The barb 16 is designed to prevent the lower conductive sheet 7 from falling off when the smoking pipe body 6 is pulled.

In the smoking knife of the present invention, the front section 61 of the smoking pipe and the rear section 62 of the smoking pipe are filled with UV light curing glue; the front section 61 of the smoking pipe and the rear section 62 of the smoking pipe are designed with grooves to prevent relative rotation, and are filled with UV light curing glue Glue strengthens the fixation.

In the smoking knife of the present invention, the upper conductive sheet 10 is provided with a wire clip protrusion 17;

In the smoking knife of the present invention, the outer side wall of one end of the pen body 4 close to the front cap 5 is provided with an annular protrusion 18, and the inner wall of the front cap 5 is provided with an annular groove matched with the annular protrusion 18; Matching, the front cap 5 can be rotatably mounted on the pen body 4 .

In the smoking knife of the present invention, the front cap 5 and the pen body 4 are provided with anti-skid protrusions 19 to increase the frictional force with the user.

In the smoking knife of the present invention, there are two buttons 1, one is a cutting function button, and the other is a coagulation function button; cutting is controlled by the cutting function button, and coagulation is controlled by the coagulation function button.

In the smoking knife of the present invention, in normal use, cutting is controlled by the cutting function button, blood coagulation is controlled by the coagulation function button, the waterproof silicone pad 14 improves the sealing performance of the two buttons 1, and the tail cap 9 is communicated with the input end of the external suction device , insert the plug not shown on the socket to make the whole device energized, and control the two buttons 1 to open and close operations. When the extension length of the smoking pipe body 6 needs to be adjusted, rotate the front cap 5, and the inner diameter of the two gradually changed Under the action of the notch 13, the two sets of locking pieces 12 are rotated from the short diameter of the notch 13 to the long diameter, the two sets of locking pieces 12 are deformed and separated from the smoking pipe body 6, and then the front section 61 of the smoking pipe is pulled to adjust. After the adjustment of the position of the smoking pipe body 6, the front cap 5 is reversely rotated, and the two sets of locking pieces 12 are moved from the long diameter of the notch 13 to the short diameter, and the two sets of locking pieces 12 are deformed and the smoking pipe body 6. The outer wall is in contact to lock the position of the smoking pipe body 6. When the smoking pipe body 6 moves, the end of the lower conductive sheet 7 away from the front cap 5 is always in contact with the upper conductive sheet 10 and maintains a conductive state.

In the smoking knife of the present invention, all the above-mentioned components are installed, connected or set up by welding, riveting or other common mechanical methods, wherein slidable/rotational fixation means that they do not fall off in the sliding/rotated state, and sealed connection means that The two connectors are connected and sealed at the same time, and the specific structure, model and coefficient index of all its components are its own technology, as long as it can achieve its beneficial effects, it can be implemented. All the above-mentioned power modules and electrical appliances are There are common electrical components in the market. When you buy them back for use, you only need to electrically connect them to each other according to the instruction manual that you bought back together. The control module is a common self-contained module, so it will not be repeated here.

In the smoking knife of the present invention, unless otherwise stated, the orientation words included in the term, such as “up, down, left, right, front, back, inside and outside, and vertical and horizontal” only represent the orientation of the term under normal use, or are skilled in the art. It should not be regarded as a limitation of the term. At the same time, sequence nouns such as "first", "second" and "third" do not represent the specific quantity and order, but are only used for names. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (8)

1. A smoking knife, characterized in that it comprises a button (1), an upper cover (2), a PCB board (3), a pen body (4), a front cap (5), a smoking pipe body (6), a lower conductive sheet ( 7), an electrode (8) and a tail cap (9), the pen body (4) is tubular, one end of the smoking pipe body (6) extends into the interior of the pen body (4), and the smoking pipe body (6) includes The front section (61) of the smoking pipe and the rear section (62) of the smoking pipe, the electrode (8) is installed inside the front section (61) of the smoking pipe and one end of the electrode (8) protrudes from one end of the front section (61) of the smoking pipe, the pen The body (4) is inlaid with an upper conductive sheet (10), a communication hole is provided at one end of the rear section (62) of the smoking pipe away from the front section (61) of the smoking pipe, one end of the lower conductive sheet (7) is connected to the electrode (8), and the lower conductive sheet (7) is connected to the electrode (8). The other end of the conductive sheet (7) protrudes along the communication hole to the outside of the rear section (62) of the smoking pipe and then contacts the upper conductive sheet (10). ) at one end, the top of the pen body (4) is provided with an opening, the upper cover (2) is installed at the opening, the PCB board (3) is electrically connected with the upper conductive sheet (10), and the PCB board (3) is provided with The contact point corresponding to the button (1), the PCB board (3) is electrically connected with a connecting wire (11), the connecting wire (11) extends along the tail cap (9) to the outside of the pen body (4), and the connecting wire ( 11) The other end is electrically connected with a plug, the front cap (5) is rotatably mounted on one end of the pen body (4) close to the electrode (8), the smoking pipe body (6) passes through the front cap (5), and the front cap (5) ) symmetrically connected with two arc-shaped locking pieces (12) on the inner wall, two notches (13) with gradual inner diameters are symmetrically arranged on the inner wall of one end of the pen body (4) close to the electrode (8), and the two locking pieces ( 12) are located at the two notches (13) respectively. 2. The smoking knife according to claim 1, wherein a waterproof silicone pad (14) is installed between the upper cover (2) and the pen body (4), and a waterproof silicone pad (14) is provided with a The hole through which the button (1) goes through. 3. The smoking knife according to claim 2, wherein the lower conductive sheet (7) and the electrode (8) are connected with one end using an inverted tooth (15) design, and the lower conductive sheet (7) is connected to the electrode (8). ) multi-faceted connection, and the end of the lower conductive sheet (7) away from the electrode (8) is designed with a barb (16). 4. The smoking knife according to claim 3, characterized in that, UV light curing glue is filled between the front section (61) of the smoking pipe and the rear section (62) of the smoking pipe. 5 . The smoking knife according to claim 4 , wherein the upper conductive sheet ( 10 ) is provided with a wire clipping protrusion ( 17 ). 6 . 6. The smoking knife according to claim 5, characterized in that, an annular protrusion (18) is provided on the outer side wall of one end of the pen body (4) close to the front cap (5), and the inner wall of the front cap (5) is provided with an annular protrusion (18). The annular groove (18) is matched with the annular groove. 7. The smoking knife according to claim 6, characterized in that, both the front cap (5) and the pen body (4) are provided with anti-skid protrusions (19). 8. The smoking knife according to claim 7, wherein there are two buttons (1), one is a cutting function button and the other is a coagulation function button.

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