CN111920514A

CN111920514A - Smoke suction knife

Info

Publication number: CN111920514A
Application number: CN202010919453.XA
Authority: CN
Inventors: 苏英; 卢孔佩; 尹作凯; 郝泰; 刘雨
Original assignee: Zhejiang Shuyou Instrument And Equipment Co ltd
Current assignee: Zhejiang Shuyou Instrument And Equipment Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-11-13
Also published as: WO2022048066A1

Abstract

The invention relates to the technical field of medical instrument accessories, in particular to a smoke suction knife, wherein a smoke suction pipe can be stretched, and the telescopic locking structure is simple, so that the smoke suction pipe is convenient to disassemble and assemble, and the production efficiency is improved; including the button, the upper cover, the PCB board, a body, the front cap, the smoking pipe body, lower conducting strip, electrode and tail cap, a body is the tubulose, inside smoking pipe body one end stretched into to a body, the smoking pipe body includes smoking pipe anterior segment and smoking pipe back end, the electrode is installed inside and electrode one end protrusion in smoking pipe anterior segment one end in smoking pipe anterior segment, it has last conducting strip to inlay by a body, smoking pipe back end is kept away from smoking pipe anterior segment one end and is provided with the intercommunicating pore, conducting strip one end and electrode connection down, the conducting strip other end stretches out to the outside then and the contact of last conducting strip of smoking pipe back end along the intercommunicating pore down, the tail cap clamps and keeps away from electrode one end at a body.

Description

Smoke suction knife

Technical Field

The invention relates to the technical field of medical instrument accessories, in particular to a smoke suction knife.

Background

As is known, a smoke knife is a high-frequency electrotome for destroying pathological tissues by current, which is not caused by simple heating of an electrode or a cutter head, high-frequency current with high current density is gathered to directly destroy tissues which are positioned under the contact point of the tip of an effective electrode, when the temperature of the tissues or cells which are in contact with or adjacent to the effective electrode rises to denature proteins in the cells, coagulation is generated, the accurate surgical effect is determined by waveform, voltage, current, the type of the tissues and the shape and the size of the electrode, and smoke is often generated in the process of cutting the coagulation by the smoke knife, so that a smoke sucking pipe is communicated with the smoke knife.

The telescopic smoke suction knife with the smoke suction pipe is particularly provided for meeting the technical use requirements of the smoke suction electric knife pen, the clinical significance of the telescopic smoke suction knife is to meet the requirements of operation positions with different depths, a doctor can conveniently adjust the length of the smoke suction pipe at any time according to the difference of the operation positions in the operation process, and the smoke suction effect is guaranteed.

However, the telescopic locking structure of the existing smoking knife is complex, and the production efficiency and the use are influenced.

Disclosure of Invention

In order to solve the technical problems, the invention provides the smoking knife, the smoking pipe can be stretched, the stretching and locking structure is simple, the disassembly and the assembly are convenient, and the production efficiency is improved.

The invention discloses a smoking knife, which comprises a button, an upper cover, a PCB (printed circuit board), a pen body, a front cap, a smoking pipe body, a lower conducting strip, an electrode and a tail cap, wherein the pen body is tubular, one end of the smoking pipe body extends into the pen body, the smoking pipe body comprises a smoking pipe front section and a smoking pipe rear section, the electrode is installed in the smoking pipe front section, one end of the electrode protrudes out of one end of the smoking pipe front section, the pen body is embedded with the upper conducting strip, one end of the smoking pipe rear section, far away from the smoking pipe front section, is provided with a communicating hole, one end of the lower conducting strip is connected with the electrode, the other end of the lower conducting strip extends out of the smoking pipe rear section along the communicating hole and then is contacted with the upper conducting strip, the tail cap is clamped at one end of the pen body, far away from the electrode, the top end of the pen body is provided with an opening, the PCB is electrically connected with, the PCB board is electrified to be connected with the connecting wire, and the connecting wire stretches out to a body outside along the tail cap, and connecting wire other end electricity is connected with the plug, preceding cap is rotatable to be installed and is close to electrode one end at a body, and the smoking pipe body passes preceding cap, and preceding cap inner wall symmetric connection has two and is circular-arc stay, and a body is close to two breachs that electrode one end inner wall symmetry was provided with the internal diameter gradual change, and two stay are in two breach departments respectively.

According to the smoking knife, the waterproof silica gel pad is arranged between the upper cover and the pen body, and the waterproof silica gel pad is provided with the through hole for the button to pass through.

According to the smoke suction knife, the lower conducting strip is connected with the electrode at one end by adopting the inverted tooth design, the lower conducting strip is connected with the electrode at multiple surfaces, and the lower conducting strip is far away from the electrode at one end by adopting the inverted tooth design.

According to the smoking knife, the UV light-curing adhesive is filled between the front section of the smoking pipe and the rear section of the smoking pipe.

According to the smoking knife, the wire clamping bulges are arranged on the upper conductive sheet.

According to the smoke suction knife, the outer side wall of one end, close to the front cap, of the pen body is provided with the annular protrusion, and the inner wall of the front cap is provided with the annular groove matched with the annular protrusion.

According to the smoking knife, the front cap and the pen body are provided with the anti-skidding bulges.

According to the smoking knife, the number of the buttons is two, one button is a cutting function button, and the other button is a blood coagulation function button.

Compared with the prior art, the invention has the beneficial effects that: when the device is normally used, the sealing performance of the two buttons is improved by the waterproof silica gel pad, the tail cap is communicated with the input end of an external air suction device, a plug (not shown) is inserted into the socket to electrify the whole device, the two buttons are controlled to be opened and closed, and the like, when the extending length of the smoking pipe body is required to be adjusted, the front cap is rotated, under the action of the two notches with gradually-changed inner diameters, the two groups of locking sheets rotate to the long diameter from the short diameter of the notch, the two groups of locking sheets deform to be separated from the smoking pipe body, then the front section of the smoking pipe is pulled to adjust the position of the smoking pipe body, after the adjustment is finished, the front cap is rotated reversely, the two groups of locking sheets move to the short diameter from the long diameter of the notch, the two groups of locking sheets deform to be contacted with the outer wall of the smoking pipe body to lock the position of the smoking pipe body, when the smoking pipe body moves, one end of the lower conducting sheet far, the conductive state is maintained.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

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

FIG. 5 is an exploded view of the present invention;

FIG. 6 is an exploded view of the present invention;

in the drawings, the reference numbers: 1. a button; 2. an upper cover; 3. a PCB board; 4. a pen body; 5. a front cap; 6. A smoking pipe body; 7. a lower conductive sheet; 8. an electrode; 9. a tail cap; 61. the front section of the smoke absorbing pipe; 62. a smoke absorbing pipe rear section; 10. an upper conducting strip; 11. a connecting wire; 12. a locking piece; 13. a notch; 14. a waterproof silica gel pad; 15. chamfering; 16. a barb; 17. a wire clamping bulge; 18. an annular projection; 19. and (4) anti-skid bulges.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 6, the smoking knife of the present invention comprises a button 1, an upper cover 2, a PCB 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, wherein the pen body 4 is tubular, one end of the smoking pipe body 6 extends into the pen body 4, the smoking pipe body 6 comprises 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 protrudes out of the smoking pipe front section 61, the pen body 4 is embedded with the upper conductive sheet 10, one end of the smoking pipe rear section 62 far away from the smoking pipe front section 61 is provided with a communication hole, one end of the lower conductive sheet 7 is connected with the electrode 8, the other end of the lower conductive sheet 7 extends out of the smoking pipe rear section 62 along the communication hole and then contacts with the upper conductive sheet 10, the tail cap 9 is clamped at one end of the pen body 4 far away from the electrode 8, the top end of the pen, the PCB 3 is electrically connected with an upper conducting strip 10, a contact corresponding to the button 1 is arranged on the PCB 3, a connecting wire 11 is electrically connected on the PCB 3, the connecting wire 11 extends out of the pen body 4 along a tail cap 9, the other end of the connecting wire 11 is electrically connected with a plug, the front cap 5 is rotatably arranged at one end, close to the electrode 8, of the pen body 4, the smoking pipe body 6 penetrates through the front cap 5, two locking pieces 12 which are in an arc shape are symmetrically connected to the inner wall of the front cap 5, two notches 13 with gradually changed inner diameters are symmetrically arranged on the inner wall of one end, close to the electrode 8, of the pen body 4, and the two locking pieces; when the device is normally used, the tail cap 9 is communicated with the input end of an external air suction device, a plug is not drawn and inserted on a socket to electrify the whole device, the control button 1 is controlled to carry out operations such as opening and closing, when the extending length of the smoking pipe body 6 needs to be adjusted, the front cap 5 is rotated, under the action of the two notches 13 with gradually changed inner diameters, the two groups of locking sheets 12 are rotated to the long diameter position from the short diameter position of the notches 13, the two groups of locking sheets 12 are deformed to be separated from the smoking pipe body 6, then the front section 61 of the smoking pipe is pulled to adjust the position of the smoking pipe body 6, after the adjustment is finished, the front cap 5 is rotated reversely, the two groups of locking sheets 12 are moved to the short diameter position from the long diameter position of the notches 13, the two groups of locking sheets 12 are deformed to be contacted with the outer wall of the smoking pipe body 6 to lock the position of the smoking pipe body 6, when the smoking pipe body 6 is moved, one end of the lower, the conductive state is maintained.

According to the smoking knife, the waterproof silica gel pad 14 is arranged between the upper cover 2 and the pen body 4, and the waterproof silica gel pad 14 is provided with a through hole for the button 1 to pass through; the waterproof silicone gasket 14 improves the sealing at the button 1.

According to the smoking knife, the connecting end of the lower conducting strip 7 and the electrode 8 is designed by the inverted tooth 15, the lower conducting strip 7 is connected with the electrode 8 in multiple surfaces, and the end, far away from the electrode 8, of the lower conducting strip 7 is designed by the inverted hook 16; the lower conducting strip 7 and the electrode 8 are connected at one end by adopting the design of the inverted teeth 15, the connection reliability of the lower conducting strip 7 and the front section 61 of the smoking pipe is improved, the lower conducting strip 7 is connected with the electrode 8 in multiple surfaces, the conduction stability is improved, and the barb 16 is designed at one end of the lower conducting strip 7, which is far away from the electrode 8, so that the lower conducting strip 7 is prevented from falling off when the smoking pipe body 6 is pulled.

According to the smoking knife, UV light-cured glue is filled between the front section 61 of the smoking pipe and the rear section 62 of the smoking pipe; the front section 61 and the rear section 62 of the smoking pipe adopt a clamping groove design to prevent relative rotation and are filled with UV light-curing adhesive to strengthen fixation.

In the smoke suction knife, the upper conducting strip 10 is provided with a wire clamping bulge 17; the connecting wire 11 card is in card line arch 17 department, is convenient for arrange connecting wire 11 in order.

According to the smoke suction knife, the outer side wall of one end, close to the front cap 5, of the pen body 4 is provided with the annular protrusion 18, and the inner wall of the front cap 5 is provided with the annular groove matched with the annular protrusion 18; the front cap 5 is rotatably mounted on the pen body 4 by the annular protrusion 18 cooperating with the annular groove.

In the smoking knife, the front cap 5 and the pen body 4 are both provided with the anti-skid protrusions 19; increasing the friction with the user.

According to the smoking knife, the button 1 is provided with two buttons, one button is a cutting function button, and the other button is a blood coagulation function button; the cutting is controlled by the cutting function button, and the coagulation is controlled by the coagulation function button.

When the smoking knife is normally used, cutting is controlled through the cutting function button, coagulation is controlled through the coagulation function button, the sealing performance of the two buttons 1 is improved through the waterproof silica gel pad 14, the tail cap 9 is communicated with the input end of an external suction device, a plug is not shown and inserted on a socket to electrify the whole device, the two buttons 1 are controlled to be opened and closed, and the like, when the extending length of the smoking pipe body 6 needs to be adjusted, the front cap 5 is rotated, under the action of the two notches 13 with gradually changed inner diameters, the two groups of locking sheets 12 are rotated to the long diameter position from the short diameter position of the notch 13, the two groups of locking sheets 12 are deformed to be separated from the smoking pipe body 6, then the front section 61 of the smoking pipe is pulled to adjust the position of the smoking pipe body 6, after the adjustment is finished, the front cap 5 is rotated reversely, the two groups of locking sheets 12 are moved to the short diameter position from the long diameter position of the notch 13, and the two groups of locking sheets 12 are deformed to be contacted, the position of the smoking pipe body 6 is locked, and when the smoking pipe body 6 moves, one end of the lower conducting strip 7, which is far away from the front cap 5, is always contacted with the upper conducting strip 10, so that the conducting state is kept.

The smoke suction knife comprises a main body, a plurality of electric modules, a plurality of connecting pieces, a plurality of control modules and a plurality of connecting pieces, wherein the main body is provided with a plurality of connecting pieces, the connecting pieces are connected with the main body through the connecting pieces, the main body is provided with a plurality of connecting pieces, and the main body is provided with a plurality of control modules.

In the case of the smoking blade of the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and the like included in the terms refer to the orientation of the terms in the conventional usage, or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms, and meanwhile, the terms "first", "second", and "third" and the like do not refer to specific numbers and sequences, but are used for name differentiation, and the terms "include", or any other variations thereof are intended to cover non-exclusive inclusions, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The smoking knife is characterized by comprising a button (1), an upper cover (2), a PCB (3), a pen body (4), a front cap (5), a smoking pipe body (6), a lower conducting strip (7), an electrode (8) and a tail cap (9), wherein the pen body (4) is tubular, one end of the smoking pipe body (6) extends into the pen body (4), the smoking pipe body (6) comprises a smoking pipe front section (61) and a smoking pipe rear section (62), the electrode (8) is arranged in the smoking pipe front section (61), one end of the electrode (8) protrudes out of one end of the smoking pipe front section (61), the pen body (4) is embedded with an upper conducting strip (10), a communicating hole is formed in one end, far away from the smoking pipe front section (61), of the smoking pipe rear section (62), one end of the lower conducting strip (7) is connected with the electrode (8), the other end of the lower conducting strip (7) extends out of the smoking pipe rear section (62) along the communicating hole and then is in contact with the upper conducting strip (10), the tail cap (9) is clamped at one end of the pen body (4) far away from the electrode (8), the top end of the pen body (4) is provided with an opening, the upper cover (2) is arranged at the opening, the PCB (3) is electrically connected with the upper conducting strip (10), a contact corresponding to the button (1) is arranged on the PCB (3), the PCB (3) is electrically connected with a connecting wire (11), the connecting wire (11) extends out of the pen body (4) along the tail cap (9), the other end of the connecting wire (11) is electrically connected with a plug, the front cap (5) can be rotatably installed at one end, close to the electrode (8), of the pen body (4), the smoke absorption pipe body (6) penetrates through the front cap (5), the inner wall of the front cap (5) is symmetrically connected with two locking pieces (12) which are circular arc-shaped, the inner wall, close to the electrode (8), of the pen body (4) is symmetrically provided with two notches (13) with gradually changed inner diameters, 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 mounted between the upper cover (2) and the pen body (4), and a through hole for the button (1) to pass through is formed in the waterproof silicone pad (14).

3. The smoking knife of claim 2, wherein the lower conducting strip (7) is designed with inverted teeth (15) at the end connected with the electrode (8), the lower conducting strip (7) is connected with the electrode (8) in a multi-surface manner, and the lower conducting strip (7) is designed with barbs (16) at the end far away from the electrode (8).

4. The smoking blade of claim 3, wherein a UV light-curing adhesive is filled between the front section (61) of the smoking pipe and the rear section (62) of the smoking pipe.

5. The smoking blade of claim 4, wherein the upper conductive sheet (10) is provided with a thread-engaging protrusion (17).

6. The smoking blade according to claim 5, wherein the outer side wall of the 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).

7. The smoking blade of claim 6, wherein the front cap (5) and the body (4) are provided with anti-slip protrusions (19).

8. The smoking blade of claim 7, wherein the button (1) is provided in two, one being a cutting function button and the other being a coagulation function button.