Multifunctional surgical electrotome for laparoscope

Abstract

The invention relates to the technical field of electrotomes, in particular to a multifunctional surgical electrotome for a laparoscope, which comprises a surgical electrotome body, an electrotome head mounted at one end of the surgical electrotome body, and an electrotome head dismounting and mounting component for dismounting and mounting the electrotome head, the first air suction assembly is used for providing precise air suction and dust removal; the second air suction assembly is used for providing air suction and dust removal around the electrotome head; the air suction connecting pipe assembly is used for shunting air suction; the dust removal assembly is mounted at the other end of the surgical electrotome body and used for electrostatic dust removal. Through the first air suction assembly and the air suction connecting pipe assembly, accurate smoke suction treatment can be provided, and electrostatic dust removal is conducted on smoke through the dust removal assembly; the second air suction assembly and the air suction connecting pipe assembly can be used for increasing the smoke suction area, the smoke dust removal effect can be improved, and electrostatic dust removal is conducted on smoke through the dust removal assembly.

Description

Technical Field

[0001] The invention relates to the technical field of electric knives, in particular to a multifunctional electric surgical knife for laparoscopy. Background Art

[0002] When performing surgery within the abdominal cavity, the doctor will continuously inflate the abdomen to make the abdominal cavity bulge to facilitate the operation, and then insert special surgical instruments into the abdominal cavity for surgery, such as an electric knife and a camera lens.

[0003] In the prior art, a multifunctional surgical electrosurgical knife with the announcement number CN107007347A includes a first and a second insulating tube, a conductive element and a power connection line. The second insulating tube is provided with an electrocoagulation switch and an electric cutting switch. A limit plate is provided in the first insulating tube, and a handle unit is provided on the limit plate. The handle unit includes a handle and an adjustment rod. A cutter head is fixedly connected to the bottom of the handle. A guide groove is provided at the upper end of the first insulating tube, and a guide rail is provided on the inner wall of the first insulating tube. The adjustment rod is inserted into the guide groove and slides along the guide rail. One end of the connecting wire in the adjustment rod is connected to the handle, and the other end is electrically connected to the conductive element. The present invention has a plurality of cutter heads of different shapes, and the adjustment rod can be used to switch between cutter heads of different shapes to meet various surgical needs. The upper inclined surface of the upper boss is inclined downward from its top, and the lower inclined surface of the lower boss is inclined upward from its bottom, which has a guiding effect and is convenient for switching between cutter heads of different shapes.

[0004] Generally, surgical electrosurgeries use a suction hood to suck out smoke, and the scope of action is relatively limited. It is not convenient to flexibly adjust the smoke suction position according to the position of the surgical electrosurgery, it is not convenient to provide different suction methods for the smoke, and it is not convenient to provide multiple filtering treatments for the smoke. Therefore, we propose a multifunctional surgical electrosurgery for laparoscopy. Summary of the invention

[0005] The object of the present invention is to provide a multifunctional electrosurgical knife for laparoscopy to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A multifunctional electrosurgical knife for laparoscopy, comprising:

[0008] A surgical electrosurgical unit, an electrosurgical unit head mounted on one end of the surgical electrosurgical unit, and an electrosurgical unit head disassembly assembly component for disassembling the electrosurgical unit head;

[0009] A first air suction component, the first air suction component is used to provide precise air suction and dust removal;

[0010] A second air suction component, the second air suction component is used to provide air suction and dust removal around the electric knife head;

[0011] An air intake connecting pipe assembly, the air intake connecting pipe assembly is used for splitting the air intake;

[0012] A dust removal component, which is mounted on the other end of the electrosurgical knife body and is used for electrostatic dust removal;

[0013] The electrosurgical knife head disassembly assembly comprises a fixed head, an annular groove is formed on the outer wall of the fixed head, a slip ring is sleeved on the outer side of the annular groove, and the cross section of the slip ring is set to an "L"-shaped structure. The slip ring is fixed to one end of the grip rod of the surgical electrosurgical knife body, and the grip rod is slidably connected to the fixed head through the slip ring and the annular groove;

[0014] A fixed toothed ring is fixed to the inner wall of the fixed head, an inner ring is sleeved inside the fixed toothed ring, a plurality of arc-shaped grooves are opened on the outer wall of the inner ring, the arc-shaped blocks are extended into the arc-shaped grooves, the arc-shaped grooves are partially matched with the arc-shaped blocks, and the arc-shaped blocks are fixedly connected to the fixed toothed ring;

[0015] The inner ring is provided with an active cavity inside, and a plurality of connecting arms are arranged inside the active cavity, a first gear is fixed to one end of the connecting arm, a rotating shaft is passed through the inside of the first gear, the connecting arm and the first gear are movably connected to the inner ring through the rotating shaft, and a clamping piece is movably pinned to the other end of the connecting arm, and the clamping piece is an arc-shaped structure;

[0016] The connecting arm is connected with a connecting spring, and the inner ring is elastically connected to the connecting arm through the connecting spring.

[0017] Preferably, the inner ring is fixed to the grip rod, a mounting hole is provided in the middle of the inner ring, one end of the electric knife head passes through the mounting hole and abuts against a stainless steel spring sheet, and the stainless steel spring sheet is installed at one end inside the inner ring.

[0018] Preferably, the first air suction component includes an air suction port sleeved on one end of the surgical electrosurgical knife body, one side of the air suction port is fixedly connected to a gear ring, one side of the connecting gear ring is provided with an L-shaped frame, the L-shaped frame is fixed to the surgical electrosurgical knife body, the internal thread of the L-shaped frame is connected to a locking screw, one end of the locking screw is connected to a locking tooth block, and the other end is connected to a rotating handle, and the locking tooth block is meshed with the connecting tooth ring.

[0019] Preferably, a cover is fixed on the top of the air inlet, a first air inlet pipe is arranged inside the cover, an internal end of the first air inlet pipe is connected to an internal threaded sleeve, a first screw rod is passed through the internal threaded sleeve, and the internal threaded sleeve is threadably matched with the first screw rod;

[0020] One end of the first screw rod is connected to a connecting frame, and one end of the connecting frame is fixed with a second suction pipe;

[0021] A second gear is fixed to one end of the internal threaded sleeve, the second gear meshes with a third gear, the input shaft of the third gear is connected to a first motor, and the first motor is fixedly connected to the first intake pipe via bolts.

[0022] Preferably, the third gear is fixed with an inner cross groove rod, a cross shaft is passed through the inner cross groove rod, the inner cross groove rod is adapted to the cross shaft, a first pulley is fixed to one end of the cross shaft, a belt is sleeved on the outer side of the first pulley, a second pulley is sleeved on the top of the belt, and the first pulley and the second pulley are driven by a belt;

[0023] The second pulley is fixed with a transmission shaft, one end of the transmission shaft is fixed with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the output shaft of the second bevel gear is fixed with a fourth gear;

[0024] A fixed rack is fixed on the top of the first air intake pipe, a directional slide groove is provided on the top of the inner wall of the housing, the directional slide groove is slidably connected to the fixed rack and partially adapted, and the fixed rack is meshed with the fourth gear.

[0025] Preferably, the second air suction component comprises a mounting groove provided at one end of the inner wall of the surgical electrosurgical unit, a cover plate is installed inside the mounting groove, a visual window is provided on the inner wall of the cover plate and at one end of the inner wall of the surgical electrosurgical unit, and a plurality of air suction holes are distributed around the visual window;

[0026] A slot block and an insert block are provided on both sides of the cover plate. The slot block is fixedly connected to the surgical electrosurgical knife body, and the insert block is fixedly connected to the cover plate. The insert block is inserted into the inner wall of the slot block, and a fixing screw is passed through the inner wall of the slot block. The slot block and the insert block are fixedly connected via the fixing screw.

[0027] Preferably, a filter holder is installed at one end of the inner wall of the surgical electrosurgical unit, a filter screen cylinder is arranged inside the filter holder, cleaning brushes are connected to both sides of the inner wall of the filter holder, the cleaning brushes are connected with bristles, and the bristles are in contact with the filter screen cylinder;

[0028] An exhaust fan blade is arranged inside the filter cylinder, a central shaft is passed through the middle of the exhaust fan blade, the central shaft is fixedly connected to the exhaust fan blade and the filter cylinder, one end of the central shaft is connected to a second motor, and the second motor is installed on one side of the inner wall of the filter frame by bolts.

[0029] Preferably, a plurality of through holes are provided on the other side of the inner wall of the filter frame;

[0030] The filter frame is fixed with a connecting cylinder, a through opening is opened inside the connecting cylinder, the interior of the through opening is a hollow conical structure, one end of the central axis extending into the through opening is fixed with a bracket, both sides of the bracket are fixed with cleaning plates, and the cleaning plates are in contact with the inner wall of the connecting cylinder.

[0031] Preferably, the dust removal assembly includes a dust removal box installed at one end of the surgical electrosurgical knife body, an exhaust port is opened on one side of the inner wall of the dust removal box, an electrostatic precipitator is installed inside the dust removal box, the anode plate and the cathode plate of the electrostatic precipitator are respectively installed on both sides of the inner wall of the dust removal box, and an electrostatic dust removal cavity is formed between the anode plate and the cathode plate.

[0032] Preferably, the air suction connecting pipe assembly comprises a three-way valve, and a first connecting pipe, a second connecting pipe and an air suction pump connected to the three-way valve, wherein the air suction pump is connected to a third connecting pipe;

[0033] One end of the second air intake pipe is connected to a connecting hose, and an air intake cavity is provided at the bottom of the inner wall of the housing. The second air intake pipe is connected to the air intake cavity through the connecting hose, and the air intake cavity is connected to the first connecting pipe;

[0034] The through port is communicated with the second connecting pipe;

[0035] The first connecting pipe and the second connecting pipe are connected to the dust removal box through a three-way valve, an air suction pump and a third connecting pipe.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] The fixed head provided in the present invention can rotate the fixed gear ring and push the first gear and one end of the connecting arm to rotate around the rotating shaft. The other end of the connecting arm pulls the clamping plate to retract into the interior of the movable cavity, separates a plurality of clamping plates, and then inserts one end of the electric knife head into the interior of the fixed head and extends into the mounting hole of the inner ring. The elastic force is then applied to the connecting arm through the connecting spring, and the connecting arm rotates in the opposite direction of the rotating shaft. The connecting arm pushes the clamping plate through the interior of the movable cavity. A plurality of clamping plates can clamp the electric knife head to complete the installation of the electric knife head. Otherwise, the electric knife head can be removed. Through the above technical scheme, the electric knife head can be quickly disassembled and assembled, and can be adapted to the installation or removal and replacement of electric knife heads of different sizes.

[0038] The present invention drives the locking tooth block to move by rotating the locking screw through the turning handle, so that the locking tooth block can contact the connecting tooth ring, so that the locking tooth block and the connecting tooth ring are meshed, and since the connecting tooth ring is fixedly connected to the air intake port, the position of the air intake port can be limited, and the air intake port can be maintained in the adjusted position to adapt to the smoke extraction process of the air intake port.

[0039] The first motor provided in the present invention can drive the third gear to rotate, and the third gear can push the second gear and the internal threaded sleeve to rotate synchronously. The internal threaded sleeve cooperates with the thread of the first screw rod to push the first screw rod to move. The first screw rod can push the connecting frame and the second intake pipe to move, and pass the second intake pipe through the interior of the first intake pipe. The extension length of the first intake pipe can be adjusted, and the smoke suction port of the first intake pipe can be pushed to a suitable position to provide precise suction processing for the smoke.

[0040] The first motor provided in the present invention can drive the third gear to rotate, and the third gear can drive the first pulley to rotate through the inner cross groove rod and the cross shaft, the first pulley drives the second pulley to rotate through the belt, and the second pulley drives the first bevel gear to rotate through the transmission shaft, and the first bevel gear can push the second bevel gear and the fourth gear to rotate synchronously. Since the fourth gear is meshed with the fixed rack, the fourth gear applies thrust to the fixed rack, which can make the fixed rack and the first suction pipe move synchronously, and the first suction pipe can be pushed out through the inside of the cover shell, which can be used to control the extension length of the first suction pipe and adjust the extension length of the second suction pipe. By adjusting the extension lengths of the first suction pipe and the second suction pipe, one end of the first suction pipe can be close to the electric knife head, and one end of the first suction pipe can be pushed to a suitable position for accurately extracting smoke, which can quickly clean up the smoke and reduce the interference of smoke on the field of vision.

[0041] The second motor provided in the present invention can drive the filter cylinder and the exhaust fan blades to rotate through the central axis, and the smoke can enter the interior of the filter frame and the filter cylinder through the air intake port and a plurality of air intake holes. The filter cylinder can be used to provide filtering treatment for the smoke. Since the filter cylinder is in contact with the bristles of the cleaning brush, the bristles can be used to clean the dust adsorbed by the filter cylinder, thereby maintaining the filter cylinder for effective filtering treatment of the smoke. The gas can be diverted and filtered through a plurality of through holes, and the central axis can drive the cleaning plate to rotate through the bracket, and the cleaning plate can be used to clean the dust adsorbed on the inner wall of the connecting cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic diagram of the structure of the present invention;

[0043] Figure 2 This is a structural schematic diagram of the disassembly and assembly components of the electric knife head of the present invention;

[0044] Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0045] Figure 4 It is a schematic diagram of the internal structure of the cover plate of the present invention;

[0046] Figure 5 It is a schematic diagram of the internal structure of the filter support and the connecting tube of the present invention;

[0047] Figure 6 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at B in the middle;

[0048] Figure 7 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at C in the middle;

[0049] Figure 8 For the present invention Figure 1 The schematic diagram of the local enlarged structure at D in the middle;

[0050] Fig. 9 For the present invention Figure 1 The schematic diagram of the local enlarged structure at E in the middle;

[0051] Fig.10 It is a schematic diagram of the connection structure between the first bevel gear and the second bevel gear of the present invention.

[0052] In the figure:

[0053] 1. Surgical electrosurgical unit;

[0054] 2. Disassembly and assembly components of the electric knife head; 201. Fixed head; 202. Slip ring; 203. Ring groove; 204. Fixed gear ring; 205. Inner ring; 206. Arc groove; 207. Arc block; 208. Active cavity; 209. Connecting arm; 210. First gear; 211. Rotating shaft; 212. Connecting spring; 213. Clamping sheet; 214. Stainless steel spring sheet;

[0055] 3. Electric knife head;

[0056] 4. First air suction component; 401. Air suction port; 402. Connecting gear ring; 403. L-shaped frame; 404. Locking screw; 405. Locking gear block; 406. Turning handle; 407. Cover; 408. First air suction pipe; 409. Internal threaded sleeve; 410. Second gear; 411. Third gear; 412. First motor; 413. First screw rod; 414. Connecting frame; 415. Second air suction pipe; 416. Fixed rack; 417. Internal cross groove rod; 418. Cross shaft; 419. First pulley; 420. Belt; 421. Second pulley; 422. Transmission shaft; 423. First bevel gear; 424. Second bevel gear; 425. Fourth gear; 426. Connecting hose; 427. Air suction chamber;

[0057] 5. Second air suction assembly; 501. Cover plate; 502. Air suction hole; 503. Visual window; 504. Slot block; 505. Insert block; 506. Fixing screw; 507. Filter frame; 508. Filter cylinder; 509. Cleaning brush; 510. Bristles; 511. Second motor; 512. Center axis; 513. Exhaust fan blade; 514. Through hole; 515. Connecting cylinder; 516. Through port; 517. Bracket; 518. Cleaning plate;

[0058] 6. Dust removal assembly; 601. Dust removal box; 602. Exhaust port; 603. Anode plate; 604. Cathode plate; 605. Electrostatic precipitator;

[0059] 7. First connecting pipe; 8. Second connecting pipe; 9. Three-way valve; 10. Air suction pump; 11. Third connecting pipe. DETAILED DESCRIPTION

[0060] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] See also Figure 1-10 , a multifunctional electrosurgical knife for laparoscopy, comprising:

[0062] A surgical electrosurgical unit 1, an electrosurgical unit head 3 mounted on one end of the surgical electrosurgical unit 1, and an electrosurgical unit head disassembly assembly 2 for disassembling the electrosurgical unit head 3;

[0063] A first air suction component 4, the first air suction component 4 is used to provide precise air suction and dust removal;

[0064] A second air suction component 5, which is used to provide air suction and dust removal around the electric knife head 3;

[0065] An air suction connecting pipe assembly, the air suction connecting pipe assembly is used for splitting the air suction;

[0066] The dust removal component 6 is installed at the other end of the surgical electrosurgical unit 1 and is used for electrostatic dust removal.

[0067] In this embodiment, the first air suction component 4 and the air suction connecting pipe component can be used to provide precise smoke suction processing, and the dust removal component 6 can be used to electrostatically remove the smoke; the second air suction component 5 and the air suction connecting pipe component can be used to increase the smoke suction area, improve the smoke dust removal effect, and the dust removal component 6 can be used to electrostatically remove the smoke.

[0068] like Figure 1 and Figure 2 As shown, the electrosurgical head disassembly assembly 2 includes a fixed head 201, an annular groove 203 is formed on the outer wall of the fixed head 201, a slip ring 202 is sleeved on the outer side of the annular groove 203, and the cross section of the slip ring 202 is set to an "L"-shaped structure. The slip ring 202 is fixed to one end of the grip rod of the surgical electrosurgical body 1, and the grip rod is slidably connected to the fixed head 201 through the slip ring 202 and the annular groove 203;

[0069] A fixed toothed ring 204 is fixed to the inner wall of the fixed head 201, an inner ring 205 is sleeved inside the fixed toothed ring 204, a plurality of arc grooves 206 are opened on the outer wall of the inner ring 205, the arc grooves 206 extend into arc blocks 207, the arc grooves 206 are partially adapted to the arc blocks 207, and the arc blocks 207 are fixedly connected to the fixed toothed ring 204;

[0070] An active cavity 208 is provided inside the inner ring 205, and a plurality of connecting arms 209 are provided inside the active cavity 208. A first gear 210 is fixed to one end of the connecting arm 209, and a rotating shaft 211 is passed through the first gear 210. The connecting arm 209 and the first gear 210 are movably connected to the inner ring 205 via the rotating shaft 211. A clamping piece 213 is movably pinned to the other end of the connecting arm 209, and the clamping piece 213 is in an arc-shaped structure.

[0071] The connecting arm 209 is connected to a connecting spring 212 , and the inner ring 205 and the connecting arm 209 are elastically connected via the connecting spring 212 .

[0072] In this embodiment, the fixed head 201 is movably connected to the gripping rod of the surgical electrosurgical unit 1 through the slip ring 202 and the annular groove 203, and the fixed head 201 can be rotated. Since the fixed head 201 is fixedly connected to the fixed toothed ring 204, the fixed toothed ring 204 is meshed with the first gear 210, the fixed head 201 can rotate the fixed toothed ring 204, and push the first gear 210 and one end of the connecting arm 209 to rotate around the rotating shaft 211, and the other end of the connecting arm 209 pulls the clamping piece 213 to retract into the movable cavity 208, separates a plurality of clamping pieces 213, and then inserts one end of the electrosurgical unit 3 into the fixed head 201, and extends The connecting arm 209 is inserted into the mounting hole of the inner ring 205, and then the elastic force is applied to the connecting arm 209 through the connecting spring 212. The connecting arm 209 will rotate in the opposite direction with the rotating shaft 211, and the connecting arm 209 will push the clamping piece 213 through the inside of the movable cavity 208. A plurality of clamping pieces 213 can be used to clamp the electric knife head 3 to complete the installation of the electric knife head 3. By rotating the fixed head 201, the connecting arm 209 compresses the connecting spring 212, and a plurality of clamping pieces 213 are separated, the electric knife head 3 can be removed. The above technical solution can realize the quick disassembly and assembly of the electric knife head 3, and can adapt to the installation or removal and replacement of electric knife heads 3 of different sizes.

[0073] like Figure 3As shown, the inner ring 205 is fixed to the grip rod, a mounting hole is opened in the middle of the inner ring 205, one end of the electric knife head 3 passes through the mounting hole and abuts against the stainless steel spring sheet 214, and the stainless steel spring sheet 214 is installed at one end inside the inner ring 205.

[0074] In this embodiment, the stainless steel spring sheet 214 can be used to reduce the collision strength of one end of the electric knife head 3 and can remind the user that the electric knife head 3 is installed in place.

[0075] like Figure 1 and Figure 6 As shown, the first air suction component 4 includes an air suction port 401 which is sleeved on one end of the surgical electrosurgical knife body 1, one side of the air suction port 401 is fixedly connected to a gear ring 402, one side of the connecting gear ring 402 is provided with an L-shaped frame 403, the L-shaped frame 403 is fixed on the surgical electrosurgical knife body 1, the internal thread of the L-shaped frame 403 is connected to a locking screw 404, one end of the locking screw 404 is connected to a locking tooth block 405, and the other end is connected to a rotating handle 406, and the locking tooth block 405 is meshed with the connecting tooth ring 402.

[0076] In this embodiment, the air intake port 401 can be rotated to change the rotation angle of the air intake port 401, and the locking screw 404 can be rotated by the turning handle 406 to push the locking tooth block 405 to move, so that the locking tooth block 405 can be brought into contact with the connecting tooth ring 402, so that the locking tooth block 405 is engaged with the connecting tooth ring 402. Since the connecting tooth ring 402 is fixedly connected to the air intake port 401, the position of the air intake port 401 can be limited, and the air intake port 401 can be maintained in the adjusted position to adapt to the smoke extraction processing of the air intake port 401.

[0077] like Figure 1 , Figure 7 and Figure 8 As shown, a cover 407 is fixed to the top of the air inlet 401, a first air inlet pipe 408 is arranged inside the cover 407, one end of the first air inlet pipe 408 is connected to an internal threaded sleeve 409, a first screw rod 413 is passed through the internal threaded sleeve 409, and the internal threaded sleeve 409 is threadedly matched with the first screw rod 413;

[0078] One end of the first screw rod 413 is connected to a connecting frame 414, and one end of the connecting frame 414 is fixed to a second air intake pipe 415;

[0079] A second gear 410 is fixed to one end of the internal threaded sleeve 409 . The second gear 410 meshes with a third gear 411 . The input shaft of the third gear 411 is connected to a first motor 412 . The first motor 412 is fixedly connected to the first intake pipe 408 via bolts.

[0080] In this embodiment, the first motor 412 can drive the third gear 411 to rotate, and the third gear 411 can push the second gear 410 and the internal threaded sleeve 409 to rotate synchronously. The internal threaded sleeve 409 and the threaded cooperation of the first screw rod 413 can push the first screw rod 413 to move. The first screw rod 413 can push the connecting frame 414 and the second air intake pipe 415 to move, and pass the second air intake pipe 415 through the interior of the first air intake pipe 408. The extension length of the first air intake pipe 408 can be adjusted, and the smoke suction port of the first air intake pipe 408 can be pushed to a suitable position to provide precise suction processing for the smoke.

[0081] like Figure 1 , Figure 7 , Fig. 9 and Fig.10 As shown, the third gear 411 is fixed with an inner cross groove rod 417, a cross shaft 418 is passed through the inner cross groove rod 417, the inner cross groove rod 417 is adapted to the cross shaft 418, a first pulley 419 is fixed to one end of the cross shaft 418, a belt 420 is sleeved on the outer side of the first pulley 419, a second pulley 421 is sleeved on the top of the belt 420, and the first pulley 419 and the second pulley 421 are driven by the belt 420;

[0082] The second pulley 421 is fixed with a transmission shaft 422, one end of the transmission shaft 422 is fixed with a first bevel gear 423, the first bevel gear 423 is meshed with a second bevel gear 424, and a fourth gear 425 is fixed to the output shaft of the second bevel gear 424;

[0083] A fixed rack 416 is fixed to the top of the first air intake pipe 408 , and a directional slide groove is provided on the top of the inner wall of the cover shell 407 . The directional slide groove is slidably connected to the fixed rack 416 and partially adapted, and the fixed rack 416 is meshed with the fourth gear 425 .

[0084] In this embodiment, the first motor 412 can drive the third gear 411 to rotate, and the third gear 411 can drive the first pulley 419 to rotate through the inner cross groove rod 417 and the cross shaft 418, and the first pulley 419 drives the second pulley 421 to rotate through the belt 420, and the second pulley 421 drives the first bevel gear 423 to rotate through the transmission shaft 422, and the first bevel gear 423 can drive the second bevel gear 424 and the fourth gear 425 to rotate synchronously. Since the fourth gear 425 is engaged with the fixed rack 416, the fourth gear 425 will act as a thrust The fixed rack 416 can be made to move synchronously with the first air intake pipe 408, and the first air intake pipe 408 can be pushed out through the inside of the cover 407, which can be used to control the extension length of the first air intake pipe 408 and adjust the extension length of the second air intake pipe 415. By adjusting the extension lengths of the first air intake pipe 408 and the second air intake pipe 415, one end of the first air intake pipe 408 can be brought close to the electric knife head 3, and one end of the first air intake pipe 408 can be pushed to a suitable position for accurately extracting smoke, quickly clearing the smoke, and reducing the smoke from interfering with the field of vision.

[0085] like Figure 1 and Figure 4 As shown, the second air suction component 5 includes a mounting groove opened at one end of the inner wall of the surgical electrosurgical unit 1, a cover plate 501 is installed inside the mounting groove, the inner wall of the cover plate 501 and one end of the inner wall of the surgical electrosurgical unit 1 are provided with a visible window 503, and a plurality of air suction holes 502 are distributed around the visible window 503;

[0086] A slot block 504 and an insert block 505 are provided on both sides of the cover plate 501. The slot block 504 is fixedly connected to the surgical electrosurgical knife body 1, and the insert block 505 is fixedly connected to the cover plate 501. The insert block 505 is inserted into the inner wall of the slot block 504. A fixing screw 506 is passed through the inner wall of the slot block 504. The slot block 504 and the insert block 505 are fixedly connected via the fixing screw 506.

[0087] In this embodiment, the filter holder 507 can be installed on one side of the connecting tube 515 through the installation groove, and the plug blocks 505 on both sides of the cover plate 501 are correspondingly inserted into the interior of the groove block 504, and the groove block 504 and the plug blocks 505 are connected by the fixing screw 506 to fix the cover plate 501. The filter holder 507 can be installed on one side of the connecting tube 515, and the visual window 503 can be used to intuitively understand the filtering conditions provided by the filter holder 507 for the smoke. Conversely, the fixing screw 506 is removed, and then the cover plate 501 is removed to take out the filter holder 507.

[0088] like Figure 1 , Figure 3 and Figure 5As shown, a filter holder 507 is installed at one end of the inner wall of the surgical electrosurgical unit 1, a filter cylinder 508 is arranged inside the filter holder 507, cleaning brushes 509 are connected to both sides of the inner wall of the filter holder 507, the cleaning brush 509 is connected to bristles 510, and the bristles 510 are in contact with the filter cylinder 508;

[0089] An exhaust fan blade 513 is provided inside the filter cylinder 508, and a central axis 512 is passed through the middle of the exhaust fan blade 513. The central axis 512 is fixedly connected to the exhaust fan blade 513 and the filter cylinder 508. One end of the central axis 512 is connected to a second motor 511, and the second motor 511 is installed on one side of the inner wall of the filter frame 507 by bolts. A plurality of through holes 514 are opened on the other side of the inner wall of the filter frame 507.

[0090] In this embodiment, the second motor 511 can drive the filter cylinder 508 and the exhaust fan blades 513 to rotate through the central axis 512, and the smoke can enter the interior of the filter frame 507 and the filter cylinder 508 through the air intake port 401 and a plurality of air intake holes 502. The filter cylinder 508 can be used to provide filtering treatment for the smoke. Since the filter cylinder 508 is in contact with the bristles 510 of the cleaning brush 509, the bristles 510 can be used to clean the dust adsorbed by the filter cylinder 508, thereby maintaining the filter cylinder 508 for effective filtering treatment of the smoke, and the gas is diverted and filtered through a plurality of through holes 514.

[0091] like Figure 5 As shown, the filter frame 507 is fixed with a connecting tube 515, and a through opening 516 is opened inside the connecting tube 515. The interior of the through opening 516 is a hollow cone-shaped structure. One end of the central axis 512 extending into the through opening 516 is fixed with a bracket 517, and cleaning plates 518 are fixed on both sides of the bracket 517. The cleaning plates 518 are in contact with the inner wall of the connecting tube 515.

[0092] In this embodiment, the central shaft 512 can drive the cleaning plate 518 to rotate through the bracket 517 , and the cleaning plate 518 can be used to clean the dust adsorbed on the inner wall of the connecting tube 515 .

[0093] like Figure 1 As shown, the dust removal component 6 includes a dust removal box 601 installed at one end of the surgical electrosurgical knife body 1, an exhaust port 602 is opened on one side of the inner wall of the dust removal box 601, an electrostatic precipitator 605 is installed inside the dust removal box 601, and the anode plate 603 and the cathode plate 604 of the electrostatic precipitator 605 are respectively installed on both sides of the inner wall of the dust removal box 601, and an electrostatic dust removal cavity is formed between the anode plate 603 and the cathode plate 604.

[0094] In this embodiment, the electrostatic precipitator 605 can be used to remove dust from the smoke, and the gas is discharged through the exhaust port 602.

[0095] like Figure 1As shown, the air suction connecting pipe assembly includes a three-way valve 9, and a first connecting pipe 7, a second connecting pipe 8 and an air suction pump 10 connected to the three-way valve 9, and the air suction pump 10 is connected to a third connecting pipe 11;

[0096] One end of the second air intake pipe 415 is connected to a connecting hose 426, and an air intake cavity 427 is provided at the bottom of the inner wall of the housing 407. The second air intake pipe 415 is connected to the air intake cavity 427 through the connecting hose 426, and the air intake cavity 427 is connected to the first connecting pipe 7;

[0097] The through port 516 is communicated with the second connecting pipe 8;

[0098] The first connecting pipe 7 and the second connecting pipe 8 are connected to the dust removal box 601 through the three-way valve 9, the suction pump 10 and the third connecting pipe 11.

[0099] In this embodiment, the air suction pump 10 is started, the three-way valve 9 is opened, the second air suction pipe 415 is connected to the air suction chamber 427 through the connecting hose 426, the air suction chamber 427 is connected to the dust removal box 601 through the first connecting pipe 7 and the third connecting pipe 11, and the gas is dusted by the electrostatic precipitator 605, and then the gas is discharged through the exhaust port 602;

[0100] Since the opening 516 is connected to the dust removal box 601 through the second connecting pipe 8 and the third connecting pipe 11, the gas is dust-removed by the electrostatic precipitator 605 and then discharged through the exhaust port 602.

[0101] In summary, precise smoke processing:

[0102] First, the first motor 412 can drive the third gear 411 to rotate, and the third gear 411 can drive the first pulley 419 to rotate through the inner cross groove rod 417 and the cross shaft 418, and the first pulley 419 drives the second pulley 421 to rotate through the belt 420, and the second pulley 421 drives the first bevel gear 423 to rotate through the transmission shaft 422, and the first bevel gear 423 can push the second bevel gear 424 and the fourth gear 425 to rotate synchronously, and because the fourth gear 425 is meshed with the fixed rack 416, the fourth gear 425 applies thrust to the fixed rack 416, so that the fixed rack 416 and the first suction pipe 408 can be synchronously rotated. The first motor 412 can drive the third gear 411 to rotate, and the third gear 411 can drive the second gear 410 and the internal threaded sleeve 409 to rotate synchronously, and the internal threaded sleeve 409 cooperates with the thread of the first screw rod 413 to push the first screw rod 413 to move, and the first screw rod 413 can push the connecting frame 414 and the second air intake pipe 415 to move, and the second air intake pipe 415 can pass through the inside of the first air intake pipe 408, and the smoke suction port of the first air intake pipe 408 can be pushed to a suitable position, and one end of the first air intake pipe 408 can be close to the electric knife head 3;

[0103] Secondly, the air inlet 401 can be rotated, and the air inlet 401 will pull the first connecting tube 7. The inner wall of the surgical electrosurgical knife body 1 is provided with an annular groove for winding the first connecting tube 7. By controlling the rotation range of the air inlet 401, the winding of the first connecting tube 7 is prevented, and the first air inlet tube 408 is adjusted to a suitable position, and the locking screw 404 is rotated by the turning handle 406 to push the locking tooth block 405 to move, so that the locking tooth block 405 can contact the connecting tooth ring 402, so that the locking tooth block 405 and the connecting tooth ring 402 are meshed. Since the connecting tooth ring 402 is fixedly connected to the air inlet 401, the position of the air inlet 401 can be limited, and the air inlet 401 can be kept in the adjusted position;

[0104] Next, open the three-way valve 9, connect the second air suction pipe 415 to the air suction chamber 427 through the connecting hose 426, and connect the air suction chamber 427 to the dust removal box 601 through the first connecting pipe 7 and the third connecting pipe 11;

[0105] Then, start the suction pump 10, and the smoke can be sent into the dust removal box 601 through the second suction pipe 415, the connecting hose 426, the suction chamber 427, the first connecting pipe 7 and the third connecting pipe 11, and the gas is dedusted by the electrostatic precipitator 605, and then discharged through the exhaust port 602.

[0106] Smoke extraction treatment:

[0107] First, the second motor 511 can drive the filter cylinder 508 and the exhaust fan blades 513 to rotate through the central shaft 512, and the smoke can enter the filter frame 507 and the inside of the filter cylinder 508 through the air inlet 401 and the plurality of air inlet holes 502, and the filter cylinder 508 can be used to provide filtering treatment for the smoke. Since the filter cylinder 508 is in contact with the bristles 510 of the cleaning brush 509, the bristles 510 can be used to clean the dust adsorbed by the filter cylinder 508, so as to keep the filter cylinder 508 for effective filtering treatment of the smoke, and the gas is filtered through the plurality of through holes 514;

[0108] At the same time, the central shaft 512 can drive the cleaning plate 518 to rotate through the bracket 517, and the cleaning plate 518 can be used to clean the dust adsorbed on the inner wall of the connecting tube 515;

[0109] Then, start the suction pump 10, open the three-way valve 9, connect the port 516 to the dust removal box 601 through the second connecting pipe 8 and the third connecting pipe 11, remove dust from the gas through the electrostatic precipitator 605, and then discharge the gas through the exhaust port 602.

[0110] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional electrosurgical knife for laparoscopy, characterized in that: include: A surgical electrosurgical knife body (1), an electrosurgical knife head (3) mounted at one end of the surgical electrosurgical knife body (1), and an electrosurgical knife head disassembly assembly (2) for disassembling and assembling the electrosurgical knife head (3); A first air suction component (4), the first air suction component (4) is used to provide precise air suction and dust removal; A second air suction component (5), the second air suction component (5) is used to provide air suction and dust removal around the electric knife head (3); An air intake connecting pipe assembly, the air intake connecting pipe assembly is used for splitting the air intake; A dust removal component (6), the dust removal component (6) being mounted on the other end of the surgical electrosurgical knife body (1) and used for electrostatic dust removal; The electric knife head disassembly assembly (2) comprises a fixed head (201), an annular groove (203) is formed on the outer wall of the fixed head (201), a slip ring (202) is sleeved on the outside of the annular groove (203), the cross section of the slip ring (202) is arranged in an "L"-shaped structure, the slip ring (202) is fixed to one end of a grip rod of a surgical electric knife body (1), and the grip rod is slidably connected to the fixed head (201) via the slip ring (202) and the annular groove (203); A fixed toothed ring (204) is fixed on the inner wall of the fixed head (201), an inner ring (205) is sleeved inside the fixed toothed ring (204), a plurality of arc-shaped grooves (206) are opened on the outer wall of the inner ring (205), the arc-shaped grooves (206) extend into arc-shaped blocks (207), the arc-shaped grooves (206) are partially matched with the arc-shaped blocks (207), and the arc-shaped blocks (207) are fixedly connected to the fixed toothed ring (204); The inner ring (205) is provided with an active cavity (208), and a plurality of connecting arms (209) are provided inside the active cavity (208). A first gear (210) is fixed to one end of the connecting arm (209), and a rotating shaft (211) is passed through the inside of the first gear (210). The connecting arm (209) and the first gear (210) are movably connected to the inner ring (205) via the rotating shaft (211), and a clamping piece (213) is movably pinned at the other end of the connecting arm (209), and the clamping piece (213) is in an arc-shaped structure; The connecting arm (209) is connected to a connecting spring (212), and the inner ring (205) and the connecting arm (209) are elastically connected via the connecting spring (212).

2. The multifunctional electrosurgical knife for laparoscopy according to claim 1, characterized in that: The inner ring (205) is fixed to the grip rod, a mounting hole is provided in the middle of the inner ring (205), one end of the electric knife head (3) passes through the mounting hole and abuts against a stainless steel spring sheet (214), and the stainless steel spring sheet (214) is installed at one end inside the inner ring (205).

3. The multifunctional electrosurgical knife for laparoscopy according to claim 1, characterized in that: The first air suction component (4) comprises an air suction port (401) sleeved on one end of the surgical electric knife body (1); one side of the air suction port (401) is fixedly connected to a toothed ring (402); one side of the connecting toothed ring (402) is provided with an L-shaped frame (403); the L-shaped frame (403) is fixed to the surgical electric knife body (1); the internal thread of the L-shaped frame (403) is connected to a locking screw (404); one end of the locking screw (404) is connected to a locking tooth block (405); the other end is connected to a rotating handle (406); the locking tooth block (405) is meshed with the connecting toothed ring (402).

4. The multifunctional electrosurgical knife for laparoscopy according to claim 3, characterized in that: A cover shell (407) is fixed on the top of the air inlet (401), a first air inlet pipe (408) is arranged inside the cover shell (407), one end of the first air inlet pipe (408) is connected to an internal threaded sleeve (409), a first screw rod (413) is passed through the internal threaded sleeve (409), and the internal threaded sleeve (409) is threadedly matched with the first screw rod (413); One end of the first screw rod (413) is connected to a connecting frame (414), and one end of the connecting frame (414) is fixed with a second suction pipe (415); A second gear (410) is fixed to one end of the internal threaded sleeve (409), the second gear (410) meshes with a third gear (411), the input shaft of the third gear (411) is connected to a first motor (412), and the first motor (412) is fixedly connected to the first intake pipe (408) via bolts.

5. The multifunctional electrosurgical knife for laparoscopy according to claim 4, characterized in that: The third gear (411) is fixed with an inner cross groove rod (417), a cross shaft (418) is passed through the inner cross groove rod (417), the inner cross groove rod (417) is matched with the cross shaft (418), a first pulley (419) is fixed to one end of the cross shaft (418), a belt (420) is sleeved on the outer side of the first pulley (419), a second pulley (421) is sleeved on the top of the belt (420), and the first pulley (419) and the second pulley (421) are driven by the belt (420); The second pulley (421) is fixed with a transmission shaft (422), one end of the transmission shaft (422) is fixed with a first bevel gear (423), the first bevel gear (423) is meshed with a second bevel gear (424), and the output shaft of the second bevel gear (424) is fixed with a fourth gear (425); A fixed rack (416) is fixed to the top of the first air intake pipe (408), and a directional slide groove is provided on the top of the inner wall of the cover shell (407). The directional slide groove is slidably connected to the fixed rack (416) and partially adapted, and the fixed rack (416) is meshed with the fourth gear (425).

6. The multifunctional electrosurgical knife for laparoscopy according to claim 5, characterized in that: The second air suction component (5) comprises a mounting groove provided at one end of the inner wall of the surgical electrosurgical unit (1), a cover plate (501) being installed inside the mounting groove, the inner wall of the cover plate (501) and one end of the inner wall of the surgical electrosurgical unit (1) being provided with a visible window (503), and a plurality of air suction holes (502) being distributed around the visible window (503); A slot block (504) and an insert block (505) are provided on both sides of the cover plate (501); the slot block (504) is fixedly connected to the surgical electrosurgical knife body (1); the insert block (505) is fixedly connected to the cover plate (501); the insert block (505) is inserted into the inner wall of the slot block (504); a fixing screw (506) is passed through the inner wall of the slot block (504); and the slot block (504) and the insert block (505) are fixedly connected via the fixing screw (506).

7. The multifunctional electrosurgical knife for laparoscopy according to claim 6, characterized in that: A filter holder (507) is installed at one end of the inner wall of the surgical electrosurgical knife body (1), a filter screen cylinder (508) is arranged inside the filter holder (507), cleaning brushes (509) are connected to both sides of the inner wall of the filter holder (507), the cleaning brush (509) is connected to bristles (510), and the bristles (510) are in contact with the filter screen cylinder (508); An exhaust fan blade (513) is arranged inside the filter cylinder (508), a central shaft (512) is passed through the middle of the exhaust fan blade (513), the central shaft (512) is fixedly connected to the exhaust fan blade (513) and the filter cylinder (508), one end of the central shaft (512) is connected to a second motor (511), and the second motor (511) is installed on one side of the inner wall of the filter frame (507) by means of bolts.

8. The multifunctional electrosurgical knife for laparoscopy according to claim 7, characterized in that: A plurality of through holes (514) are provided on the other side of the inner wall of the filter frame (507); The filter frame (507) is fixed with a connecting cylinder (515), the interior of the connecting cylinder (515) is provided with a through opening (516), the interior of the through opening (516) is in a hollow conical structure, one end of the central axis (512) extending into the through opening (516) is fixed with a bracket (517), both sides of the bracket (517) are fixed with cleaning plates (518), and the cleaning plates (518) are in contact with the inner wall of the connecting cylinder (515).

9. The multifunctional electrosurgical knife for laparoscopy according to claim 8, characterized in that: The dust removal component (6) comprises a dust removal box (601) installed at one end of the surgical electrosurgical knife body (1); an exhaust port (602) is provided on one side of the inner wall of the dust removal box (601); an electrostatic precipitator (605) is installed inside the dust removal box (601); an anode plate (603) and a cathode plate (604) of the electrostatic precipitator (605) are respectively installed on both sides of the inner wall of the dust removal box (601); and an electrostatic dust removal cavity is formed between the anode plate (603) and the cathode plate (604).

10. The multifunctional electrosurgical knife for laparoscopy according to claim 9, characterized in that: The air suction connecting pipe assembly comprises a three-way valve (9), a first connecting pipe (7) connected to the three-way valve (9), a second connecting pipe (8) and an air suction pump (10), wherein the air suction pump (10) is connected to a third connecting pipe (11); One end of the second air intake pipe (415) is connected to a connecting hose (426); an air intake cavity (427) is provided at the bottom of the inner wall of the housing (407); the second air intake pipe (415) is connected to the air intake cavity (427) through the connecting hose (426); and the air intake cavity (427) is connected to the first connecting pipe (7); The through port (516) is in communication with the second connecting pipe (8); The first connecting pipe (7) and the second connecting pipe (8) are connected to the dust removal box (601) via a three-way valve (9), an air suction pump (10) and a third connecting pipe (11).

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