Multifunctional aspirator for thoracoscopic surgery

Abstract

The invention discloses a multifunctional aspirator for thoracoscopic surgery, and relates to the technical field of medical instruments, the multifunctional aspirator comprises an aspiration tube, the aspiration tube comprises a front section aspiration tube and a rear section aspiration tube, the rear end of the rear section aspiration tube is provided with a control panel, and the rear end of the control panel is fixedly connected with a handheld rod; the front-section suction tube and the rear-section suction tube are connected through a swing adjusting mechanism, an expansion adsorption mechanism is installed in the front-section suction tube, the swing adjusting mechanism comprises a push rod, the front end of the push rod is fixedly connected with a movable shell, a rotating rod is installed in the movable shell, and the rotating rod is fixedly connected with the push rod. A conical tooth group is fixedly connected to the front end of the rotating rod, and an expansion adsorption mechanism is mounted in the front section suction tube, so that the problem of tissue damage caused by instrument collision at an incision due to separate operation of a main knife and an assistant in an operation process is solved, and the tissue traction damage in a tissue traction process is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a multifunctional aspirator for thoracoscopic surgery. Background Art

[0002] The development of single-port thoracoscopy in thoracic surgery has been full of innovation and breakthroughs. In the early days, most thoracic surgeries were large-incision surgeries with huge traumas. With the rise of the minimally invasive concept, multi-port thoracoscopes emerged. However, people still pursued less trauma, so in the early 21st century, single-port thoracoscopes began to be tried, initially used for simple surgeries such as pulmonary wedge resection. Since then, with the accumulation of experience and the improvement of instruments, its indications have been continuously expanded, and complex surgeries such as lobectomy and mediastinal tumor resection can be carried out. After a large number of multi-center studies confirmed its advantages, single-port thoracoscopy has become an important option for minimally invasive thoracic surgery and has also been combined with robotic-assisted technology for continuous innovative development.

[0003] Compared with traditional surgeries, single-port thoracoscopy has significant advantages. It only requires a small hole about 3 cm, greatly reducing chest wall injury and minimizing damage to muscles, nerves, and blood vessels; postoperative pain is significantly reduced, patients can move earlier, recovery is accelerated, and hospital stay is shortened; the incision is small and concealed, with good cosmetic effects; less trauma also reduces complications, making it safer for middle-aged and elderly patients with poor cardiopulmonary function.

[0004] However, the existing aspirator is separated from the traction instrument. During the operation, generally, the surgeon and the assistant operate separately. However, the operation of multiple instruments easily leads to instrument collisions at the incision, thus increasing the risk of tissue injury. At the same time, the suction angle of the traditional metal aspirator is relatively fixed, and it is inconvenient to achieve real-time flexible bending and deflection during the traction of tissues, which is likely to cause damage to the traction tissues.

[0005] In view of the above problems, there is an urgent need to innovate and design on the basis of the original aspirator and traction instrument. Summary of the Invention

[0006] The purpose of the present invention is to provide a multifunctional aspirator for thoracoscopic surgery to solve the problems in the above background art that the separate operation of the aspirator and the traction instrument easily leads to instrument collisions at the incision, increasing the risk of tissue injury, and at the same time, the traditional metal aspirator cannot avoid other instruments to achieve multi-angle traction of tissues. The technical solution of the present invention provides a solution significantly different from the prior art for the technical problem of the overly single solution of the prior art.

[0007] To achieve the above object, the present invention provides the following technical solution: a multifunctional aspirator for thoracoscopic surgery, including an aspiration tube, the aspiration tube includes a front-section aspiration tube and a rear-section aspiration tube, a control panel is installed at the rear end of the rear-section aspiration tube, a hand-held rod is fixedly connected to the rear end of the control panel, the front-section aspiration tube and the rear-section aspiration tube are connected by a swing adjustment mechanism, and a dilation and adsorption mechanism is installed inside the front-section aspiration tube;

[0008] The swing adjustment mechanism includes a push rod, the push rod is limited and slides inside the rear-section aspiration tube through a limit block, the front end of the push rod is fixedly connected with a moving housing, a rotating rod is installed inside the moving housing, the middle of the rotating rod is fixed inside the rear-section aspiration tube through a bearing, a guiding groove is opened on the outer periphery of the rear end of the rotating rod, a guiding rod is arranged on the inner wall of the moving housing corresponding to the guiding groove, the front end of the rotating rod is fixedly connected with a driving bevel gear, one side of the tooth surface of the driving bevel gear is meshed and connected with a driven bevel gear, the driven bevel gear is connected to the inner wall of the front-section aspiration tube through a bearing, and an elastic telescopic component is installed at the central position of the tooth surface of the driven bevel gear.

[0009] Preferably, the elastic telescopic component includes a device housing, the device housing is fixedly installed at the central position of the tooth surface of the driven bevel gear, a swing rod is limited and slides in the cavity of the device housing through a spring, a swing groove is opened on the front end of the rear-section aspiration tube corresponding to the swing rod, the front end of the swing rod extends out of the swing groove and is fixedly connected to the rear side of the rear-section aspiration tube, two abutting blocks are arranged on both sides of the middle section of the swing rod, and sliding blocks are arranged on both sides of the inner wall of the swing groove corresponding to the abutting blocks.

[0010] Preferably, the dilation and adsorption mechanism includes a telescopic rod, the telescopic rod is limited and slidably connected inside the front-section aspiration tube, the outer periphery of the front end of the telescopic rod is designed as a rack-shaped structure, an adsorption vane is rotatably connected to the outer periphery of the front end of the front-section aspiration tube through a gear provided, a microporous array is arranged inside the adsorption vane, the gear is meshed with the rack-shaped area at the front end of the telescopic rod, and a pushing component is installed on one side of the rear end of the telescopic rod.

[0011] Preferably, the pushing component includes a first oil tank, the first oil tank is installed at the front end inside the rear-section aspiration tube, a first piston rod is limited and slides inside the first oil tank, the first piston rod extends through the moving housing and the limit block towards the rear end and extends into the control panel, a second oil tank is installed on one side of the rear end of the telescopic rod, a second piston rod is installed in the second oil tank through a spring, the second piston rod extends out of the second oil tank towards the rear side and is fixed on one side of the rear end of the telescopic rod, and the first oil tank is connected to the second oil tank through an oil delivery hose.

[0012] Preferably, the sliding block is arranged as an inclined structure with an inclined surface facing the front side, two sliding blocks are symmetrically arranged in the swing groove, and the guiding groove is arranged as a spiral structure.

[0013] Preferably, a metal snake bone is slidably limited inside the telescopic rod. A suction head is installed on the front side of the metal snake bone, and a flexible metal wire is fixed to the rear side of the metal snake bone.

[0014] Preferably, two rotating disks are rotatably connected inside the control disk. The two rotating disks are arranged in a staggered manner. Connecting rods are rotatably connected to both of the two rotating disks. The two connecting rods are respectively connected to the push rod and the first piston rod. Pull rods are fixedly installed on both of the two rotating disks. The pull rods extend out of the upper and lower ends of the control disk. An adjusting rocker is installed on one side of the periphery of the control disk.

[0015] Preferably, a snake-shaped traction cable is arranged inside the metal snake bone. The snake-shaped traction cable and the flexible metal wire sequentially pass through a swing rod, an elastic telescopic assembly, a rotating rod and a push rod towards the rear end. The snake-shaped traction cable is connected to the adjusting rocker. The flexible metal wire extends out of the handheld rod through the inside of the control disk.

[0016] Preferably, the adsorption vane plate and the suction head are connected to an external negative pressure device through a negative pressure hose with a solenoid valve and pass through a suction tube.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. In the present invention, there are provided a telescopic rod, a thread groove, an adsorption vane plate, a gear, a metal snake bone, a suction head, a flexible metal wire, an adjusting rocker and a pushing assembly. The pushing assembly can push the telescopic rod to move forward. Under the action of the thread groove, the gear is driven to rotate, so that the adsorption vane plate opens to adsorb and traction the tissue. At the same time, medical staff push the flexible metal wire to extend the suction head out of the gap in the middle of the adsorption vane plate, and cooperate with the adjusting rocker on one side of the control disk to pull the snake-shaped traction cable to realize the real-time adjustment of the angle of the metal snake bone, so that the suction head freely sucks the oozing blood within the traction fixation area, achieving the purpose of synchronously performing traction fixation and sucking oozing blood, and solving the problem of tissue damage caused by the collision of instruments at the incision during the operation due to the separate operations of the surgeon and the assistant.

[0019] 2. In the present invention, there are provided a push rod, a moving housing, a rotating rod, a guiding groove, a guiding rod, a driving bevel gear, a driven bevel gear and an elastic telescopic assembly. The surgeon pulls the pull rod at the upper end of the control disk to push the push rod to move forward, thereby driving the guiding rod in the moving housing to slide in the guiding groove, and then driving the rotating rod to rotate, so that the driving bevel gear drives the driven bevel gear to rotate. Cooperating with the elastic telescopic assembly, the flexible swing of the front-section suction tube is realized, and the longitudinal movement is performed in the swinging direction, avoiding damage to the traction tissue during the process of traction tissue. Description of the Drawings

[0020] Figure 1Schematic diagram of the overall structure of the present invention;

[0021] Figure 2 Schematic cross-sectional side view structure of the present invention;

[0022] Figure 3 Schematic diagram of the partial structure of the front-stage aspirator of the present invention;

[0023] Figure 4 Schematic longitudinal cross-sectional view of the partial structure of the front-stage aspirator of the present invention;

[0024] Figure 5 Schematic side cross-sectional view of the partial structure of the rear-stage aspirator of the present invention;

[0025] Figure 6 Schematic side cross-sectional view of the front-stage aspirator of the present invention;

[0026] Figure 7 Schematic diagram of the partial enlarged structure of Structure A of the present invention

[0027] Figure 8 Schematic front view structure of the front-stage aspirator of the present invention

[0028] Figure 9 Schematic diagram of the unfolded structure of the adsorption vane of the present invention

[0029] Figure 10 Schematic front view structure of the rear-stage aspirator of the present invention.

[0030] In the figure: 1. Suction tube; 2. Control panel; 3. Hand-held rod; 41. Push rod; 42. Moving housing; 43. Rotating rod; 44. Guide groove; 45. Guide rod; 46. Driving bevel gear; 47. Driven bevel gear; 481. Device housing; 483. Swing rod; 484. Swing groove; 485. Contact block; 486. Slide block; 51. Telescopic rod; 53. Adsorption vane; 54. Gear; 551. First oil tank; 552. First piston rod; 553. Second oil tank; 554. Second piston rod; 6. Metal snake bone; 7. Suction head; 8. Flexible metal wire; 9. Rotating disc; 10. Connecting rod; 11. Pull rod; 12. Adjusting rocker. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1 - 10, A multifunctional aspirator for thoracoscopic surgery, comprising an aspiration tube 1. The aspiration tube 1 includes a front-section aspiration tube and a rear-section aspiration tube. A control panel 2 is installed at the rear end of the rear-section aspiration tube. A hand-held rod 3 is fixedly connected to the rear end of the control panel 2. The front-section aspiration tube and the rear-section aspiration tube are connected by a swing adjustment mechanism. An expansion adsorption mechanism is installed inside the front-section aspiration tube;

[0033] The swing adjustment mechanism includes a push rod 41. The push rod 41 is limited and slides inside the rear-section aspiration tube through a limit block. The front end of the push rod 41 is fixedly connected with a moving housing 42. A rotating rod 43 is installed inside the moving housing 42. The middle part of the rotating rod 43 is fixed inside the rear-section aspiration tube through a bearing. A guiding groove 44 is formed on the outer periphery of the rear end of the rotating rod 43. The guiding groove 44 is arranged in a spiral structure. A guiding rod 45 corresponding to the guiding groove 44 is provided on the inner wall of the moving housing 42. The front end of the rotating rod 43 is fixedly connected with a driving bevel gear 46. One side of the tooth surface of the driving bevel gear 46 is meshed and connected with a driven bevel gear 47. The driven bevel gear 47 is connected to the inner wall of the front-section aspiration tube through a bearing. An elastic telescopic component is installed at the central position of the tooth surface of the driven bevel gear 47. The guiding rod 45 slides in the guiding groove 44 at the rear side of the rotating rod 43, so that the rotating rod 43 drives the driving bevel gear 46 at its front end to rotate, thereby driving the driven bevel gear 47 to rotate, and further driving a swing rod 483 to swing in a swing groove 484, so that the angle of the front-section aspiration tube deflects.

[0034] As an implementation manner of the present invention, the elastic telescopic component includes a device housing 481. The device housing 481 is fixedly installed at the central position of the tooth surface of the driven bevel gear 47. A swing rod 483 is limited and slides in the cavity of the device housing 481 through a spring. A swing groove 484 is formed in the front end of the rear-section aspiration tube corresponding to the swing rod 483. The front end of the swing rod 483 extends out of the swing groove 484 and is fixedly connected to the rear side of the rear-section aspiration tube. Two sides of the middle section of the swing rod 483 are provided with abutting blocks 485. Sliders 486 corresponding to the abutting blocks 485 are provided on both sides of the inner wall of the swing groove 484. While the swing rod 483 swings in the swing groove 484, the abutting blocks 485 in the middle section of the swing rod 483 slide on the sliders 486, and under the action of the inclined surface, the swing rod 483 drives the front-section aspiration tube to deflect and move forward at the same time, avoiding damage to tissues during the offset process.

[0035] As an implementation manner of the present invention, the expansion and adsorption mechanism includes a telescopic rod 51. The telescopic rod 51 is connected in the front-stage suction tube in a limited sliding manner. The periphery of the front end of the telescopic rod 51 is designed as a rack-shaped structure. The periphery of the front end of the front-stage suction tube is rotatably connected with an adsorption vane 53 through a gear 54. A microporous array is provided inside the adsorption vane 53. The gear 54 meshes with the rack-shaped area at the front end of the telescopic rod 51. A pushing component is installed on one side of the rear end of the telescopic rod 51. The up-and-down movement of the telescopic rod 51, combined with the rack-shaped structure on the periphery of its front end, can drive the gear 54 to rotate, thereby driving the expansion or closing of the adsorption vane 53. The adsorption vane 53 expands into a "clover" shape to increase the contact area and avoid lung tissue damage. When closed, it is cylindrical with a smooth surface, facilitating insertion into the incision.

[0036] As an implementation manner of the present invention, the pushing component includes a first oil tank 551. The first oil tank 551 is installed at the front end inside the rear-stage suction tube. A first piston rod 552 is slidably connected in the first oil tank 551 in a limited manner. The first piston rod 552 extends rearward through the moving housing 42 and the limiting block to the control panel 2. A second oil tank 553 is installed on one side of the rear end of the telescopic rod 51. A second piston rod 554 is installed in the second oil tank 553 through a spring. The second piston rod 554 extends rearward out of the second oil tank 553 and is fixed to one side of the rear end of the telescopic rod 51. The first oil tank 551 is connected to the second oil tank 553 through an oil delivery hose. The first piston rod 552 slides in the first oil tank 551 under the action of an external force, squeezing the oil in the first oil tank 551, forcing the oil to enter the second oil tank 553 through the oil delivery hose, and squeezing the rear end of the second piston rod 554, so that the front end of the second piston rod 554 abuts against the telescopic rod 51 and moves it forward, thereby realizing the reciprocating movement of the telescopic rod 51.

[0037] As an implementation manner of the present invention, the slider 486 is set as an inclined structure with an inclined surface facing forward. Two sliders 486 are symmetrically arranged in the swing groove 484, so that when the front-end suction device swings back and forth, it can expand and contract in the swinging direction. A metal snake bone 6 is slidably connected in the telescopic rod 51 in a limited manner. A suction head 7 is installed on the front side of the metal snake bone 6, and a flexible metal wire 8 is fixed to the rear side of the metal snake bone 6.

[0038] As an implementation manner of the present invention, two rotating disks 9 are rotatably connected in the control panel 2. The two rotating disks 9 are arranged in a staggered manner. Two connecting rods 10 are rotatably connected to the two rotating disks 9 respectively. The two connecting rods 10 are connected to the push rod 41 and the first piston rod 552 respectively. Two pull rods 11 are fixedly installed on the two rotating disks 9. The pull rods 11 extend out of the upper and lower ends of the control panel 2. An adjusting rocker 12 is installed on one side of the periphery of the control panel 2. By pulling the snake-shaped traction cable with the adjusting rocker 12 to change the direction of the metal snake bone 6, the thoracic cavity tissue can be attracted in multiple directions, improving the clarity of the surgical field.

[0039] As an implementation manner of the present invention, a serpentine traction cable is disposed inside the metal snake bone 6. The serpentine traction cable and the flexible metal wire 8 sequentially pass through the swing rod 483, the elastic telescopic assembly, the rotating rod 43 and the push rod 41 towards the rear end. The serpentine traction cable is connected to the adjusting rocker 12. The flexible metal wire 8 extends out of the handheld rod 3 through the control panel 2. The adsorption vane 53 and the suction head 7 are connected to an external negative pressure device through a negative pressure hose with a solenoid valve and pass through the suction tube 1. When the adsorption vane 53 traction the thoracic tissue, the solenoid valve will automatically cut off the negative pressure provided to the suction head 7 and will automatically open after the adsorption vane 53 finishes traction.

[0040] Working principle: When using this multifunctional suction device for thoracoscopic surgery, first, medical staff will hold the handheld rod 3 and insert the suction tube 1 into the patient's body through a surgical incision pre-made on the patient. When it is necessary to traction the tissue in the chest cavity, push the pull rod 11 at the lower end of the control panel 2 to drive the rotating disk 9 to rotate, so that the connecting rod 10 pushes the first piston rod 552 to move forward, so that the first piston rod 552 slides in the first oil tank 551, squeezes the oil in the first oil tank 551, forces the oil to enter the second oil tank 553 through the oil delivery hose, squeezes the rear end of the second piston rod 554, and then pushes the front end of the telescopic rod 51 to move forward through the front end of the second piston rod 554. The rack-like structure at the front end of the telescopic rod 51 drives the gear 54 behind the adsorption vane 53 to rotate, so that the adsorption vane 53 gradually unfolds along the front end of the suction tube 1 until the adsorption surface of the adsorption vane 53 fits the tissue to be traction. At this time, the medical staff turns on the negative pressure device, and fixes the tissue by negative pressure adsorption through the microporous array on the adsorption surface of the adsorption vane 53. Then pull the pull rod 11 at the upper end of the control panel 2 to drive the rotating disk 9 to rotate, so that the connecting rod 10 pushes the push rod 41 to move forward, thereby pushing the moving housing 42 to move forward, driving the guiding rod 45 inside the moving housing 42 to slide in the guiding groove 44 provided at the rear side of the rotating rod 43, so that the rotating rod 43 drives the driving bevel gear 46 at its front end to rotate, thereby driving the driven bevel gear 47 to rotate, and then driving the swing rod 483 to swing in the swing groove 484, so that the angle of the front section of the suction tube deflects.

[0041] At the same time, the abutting block 485 on the outer periphery of the middle section of the swing rod 483 slides on the inclined surface of the slider 486, so that while the swing rod 483 drives the front section of the suction tube to deflect, it also moves forward, avoiding hard pulling on the tissue. Finally, the medical staff pushes the flexible metal wire 8 forward, so that the metal snake bone 6 slowly extends out of the telescopic rod 51, uses the suction head 7 at the front end of the metal snake bone 6 to suck the blood oozing near the tissue, and pulls the serpentine traction cable through the adjusting rocker 12 to change the direction of the metal snake bone 6, suck in multiple directions, and improve the clarity of the surgical field.

[0042] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. In the description of the present invention, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A multifunctional suction device for thoracoscopic surgery, comprising a suction tube (1), characterized in that: The suction tube comprises a front suction tube and a rear suction tube, the rear end of the rear suction tube being provided with a control panel (2), the rear end of the control panel (2) being fixedly connected with a hand-held rod (3), the front suction tube and the rear suction tube being connected via a swing adjustment mechanism, and an expansion adsorption mechanism being provided inside the front suction tube; The swing adjustment mechanism comprises a push rod (41), the push rod (41) is limited and slidable inside the rear suction tube by a limit block, the front end of the push rod (41) is fixedly connected to a movable shell (42), a rotating rod (43) is installed inside the movable shell (42), the middle part of the rotating rod (43) is fixed inside the rear suction tube by a bearing, a guide groove (44) is provided on the outer periphery of the rear end of the rotating rod (43), a guide rod (45) is provided on the inner wall of the movable shell (42) corresponding to the guide groove (44), the front end of the rotating rod (43) is fixedly connected to a driving bevel gear (46), one side of the tooth surface of the driving bevel gear (46) is meshedly connected to a driven bevel gear (47), the driven bevel gear (47) is connected to the inner wall of the front suction tube by a bearing, and an elastic telescopic component is installed at the center of the tooth surface of the driven bevel gear (47).

2. A multifunctional suction device for thoracoscopic surgery according to claim 1, characterized in that: The elastic telescopic component comprises a device shell (481), wherein the device shell (481) is fixedly mounted at the center position of the tooth surface of the driven bevel gear (47), a swing rod (483) is provided in the cavity of the device shell (481) and is limited and slidable by a spring, a swing groove (484) is provided at the front end of the rear suction tube corresponding to the swing rod (483), the swing groove (484) is extended from the front end of the swing rod (483) and is fixedly connected to the rear side of the rear suction tube, abutment blocks (485) are provided on both sides of the middle section of the swing rod (483), and sliding blocks (486) are provided on both sides of the inner wall of the swing groove (484) corresponding to the abutment blocks (485).

3. The multifunctional suction device for thoracoscopic surgery according to claim 2, characterized in that: The expansion adsorption mechanism comprises a telescopic rod (51), the telescopic rod (51) is limitedly slidably connected in the front suction tube, the front end periphery of the telescopic rod (51) is designed as a rack-like structure, the front end periphery of the front suction tube is rotatably connected to an adsorption blade (53) through a set gear (54), the inner side of the adsorption blade (53) is provided with a microporous array, the gear (54) is meshed with the rack-like area at the front end of the telescopic rod (51), and a pushing component is installed on one side of the rear end of the telescopic rod (51).

4. The multifunctional suction device for thoracoscopic surgery according to claim 3, characterized in that: The pushing assembly comprises a first oil tank (551), the first oil tank (551) being installed at the front end of the rear suction tube, a first piston rod (552) being limitedly slidable in the first oil tank (551), the first piston rod (552) extending toward the rear end through the movable housing (42) and the limit block to the control panel (2), a second oil tank (553) being installed at one side of the rear end of the telescopic rod (51), a second piston rod (554) being installed in the second oil tank (553) via a spring, the second piston rod (554) extending out of the second oil tank (553) toward the rear side and being fixed to one side of the rear end of the telescopic rod (51), the first oil tank (551) being connected to the second oil tank (553) via an oil delivery hose.

5. The multifunctional suction device for thoracoscopic surgery according to claim 4, characterized in that: The slider (486) is configured as an inclined structure with the inclined surface facing the front side, two sliders (486) are symmetrically arranged in the swing groove (484), and the guide groove (44) is configured as a spiral structure.

6. The multifunctional suction device for thoracoscopic surgery according to claim 5, characterized in that: A metal snake bone (6) is provided inside the telescopic rod (51) for limited sliding movement, a suction head (7) is installed on the front side of the metal snake bone (6), and a flexible metal wire (8) is fixed on the rear side of the metal snake bone (6).

7. The multifunctional suction device for thoracoscopic surgery according to claim 6, characterized in that: Two rotating disks (9) are rotatably connected inside the control disk (2), and the two rotating disks (9) are staggered. Connecting rods (10) are rotatably connected to the two rotating disks (9), and the two connecting rods (10) are respectively connected to the push rod (41) and the first piston rod (552). Pull rods (11) are fixedly installed on the two rotating disks (9), and the pull rods (11) extend from the upper and lower ends of the control disk (2). An adjusting rocker (12) is installed on one side of the outer periphery of the control disk (2).

8. The multifunctional suction device for thoracoscopic surgery according to claim 7, characterized in that: A serpentine traction cable is arranged inside the metal snake bone (6), and the serpentine traction cable and the flexible metal wire (8) pass through the swing rod (483), the elastic telescopic component, the rotating rod (43) and the pushing rod (41) in sequence toward the rear end, and the serpentine traction cable is connected to the adjustment rocker (12), and the flexible metal wire (8) extends out of the handheld rod (3) through the control panel (2).

9. The multifunctional suction device for thoracoscopic surgery according to claim 8, characterized in that: The adsorption blade (53) and the suction head (7) are connected to an external negative pressure device via a negative pressure hose with a solenoid valve passing through a suction tube (1).

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