Special thoracotomy auxiliary device for clinical operation of thoracic surgery department

Abstract

The invention relates to the technical field of medical apparatus and instruments, and discloses a thoracotomy auxiliary device special for thoracic surgery department clinical surgeries, the thoracotomy auxiliary device comprises a base, a transverse moving seat and a mounting shell, symmetrically arranged distraction arms are rotatably mounted on the two sides of the base, the transverse moving seat is arranged between the base and the mounting shell, a threaded hole is formed in the middle of the base, and the transverse moving seat is arranged in the threaded hole. A threaded rod is in threaded connection with the inner wall of the threaded hole, and one end of the threaded rod is rotationally connected to the outer wall of one side of the transverse moving seat. Air is conveyed into the two air guide pipes through the two air conveying hoses, then the air is conveyed into the two air bags through the two air guide pipes, flexible supporting of ribs is achieved, the two distraction arms can be driven to move away from each other towards the two sides while the transverse moving base moves, and the rib distraction effect is achieved. According to the rib distraction device, the two distraction arms can drive the two distraction pieces to move away from each other, so that ribs are distraction, and the ribs are conveniently prevented from being damaged when being distraction in cooperation with flexible supporting of the two air bags to the ribs.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a special thoracotomy auxiliary device for clinical thoracic surgery. Background Art

[0002] Thoracic surgery clinical surgery refers to the surgical method of treating diseases in the chest cavity (including the thorax, chest wall, pleura, trachea, bronchi, lungs, esophagus, mediastinum, etc.) through surgical operation techniques in the field of thoracic surgery. Traditional thoracotomy is a type of clinical thoracic surgery. This surgical method has a wider field of view and the doctor can directly observe the lesions in the chest cavity.

[0003] In some cases of thoracic surgery, open-chest surgery is required. During open-chest surgery, a thoracotomy assist device is usually used to expand the ribs to facilitate observation and surgery. However, during the expansion process, the rigid expansion parts in the thoracotomy assist device come into contact with the ribs and produce a large pressure. If the pressure lasts for a long time and the rigid expansion parts are under pressure, there is a risk of damaging the ribs.

[0004] In view of this, the present invention proposes a thoracotomy auxiliary device specifically for clinical thoracic surgery to solve the above problems. Summary of the invention

[0005] In order to solve the problem that the rigid expansion member in the thoracotomy auxiliary device contacts and squeezes the ribs during the expansion process, which generates a large pressure, and if the duration is long and under the pressure of the rigid expansion member, there is a risk of causing damage to the ribs, the basic concept of the technical solution adopted by the present invention is: A thoracotomy auxiliary device specially used for clinical thoracic surgery comprises a base, a transverse movement seat and a mounting shell, wherein symmetrically arranged spreading arms are rotatably mounted on both sides of the base, the transverse movement seat is arranged between the base and the mounting shell, a threaded hole is opened in the middle of the base, and a threaded rod is screwed on the inner wall of the threaded hole, one end of the threaded rod is rotatably connected to the outer wall of one side of the transverse movement seat, and the end position of the threaded rod is fixedly connected with an anti-slip knob, and symmetrically arranged connecting rods are rotatably mounted on both sides of the transverse movement seat, one end of the two connecting rods are respectively rotatably connected to the two spreading arms, and symmetrically arranged connecting grooves are opened on opposite sides of the two spreading arms, and third rotating shafts are rotatably mounted on the inner sides of the two connecting grooves, and one end of the two connecting rods is respectively fixedly connected to the outer walls of the two third rotating shafts. A movable hole is provided on one side of the installation shell, and a push-pull rod is slidably provided on the inner wall of the movable hole, one end of the push-pull rod is fixedly connected to the outer wall of one side of the transverse displacement seat, a piston plate is slidably provided on the inner wall of the installation shell, one end of the push-pull rod is fixedly connected to the outer wall of one side of the piston plate, symmetrical through holes are provided on both sides of the installation shell, and air delivery hoses are fixedly installed on the inner walls of the through holes, the end positions of the two expansion arms are both installed with expansion pieces of L-shaped structure, the end positions of the two expansion arms are both opened with mounting holes, and the inner sides of the mounting holes are provided with fixed rods of L-shaped structure, the two expansion pieces are respectively connected to the end positions of the two fixed rods, the outer walls of one side of the two expansion pieces are both installed with air bags, one side of the two air bags is connected with an air guide tube, and the air guide tube is connected to the air delivery hose; The yoke is provided with a plurality of guide rails on the two sides, and the guide rails are provided with a plurality of guide rails on the two sides, and the guide rails are provided with a plurality of guide rails on the two sides.

[0006] As a preferred embodiment of the present invention, symmetrically arranged first installation grooves are opened on both sides of the base, and first rotating shafts are rotatably installed on the inner sides of the two first installation grooves, and one end of the two spreading arms is respectively fixedly connected to the outer walls of the two first rotating shafts.

[0007] As a preferred embodiment of the present invention, symmetrically arranged second installation grooves are opened on both sides of the transverse displacement seat, and second rotating shafts are rotatably installed on the inner sides of the two second installation grooves, and one end of the two connecting rods is respectively fixedly connected to the outer walls of the two second rotating shafts.

[0008] As a preferred embodiment of the present invention, an air inlet is arranged on the top of the mounting shell, and a sealing plug is arranged on the inner wall of the air inlet.

[0009] As a preferred embodiment of the present invention, the top and bottom outer walls of the base are fixedly connected with symmetrically arranged mounting rods, and movable grooves are provided on both of the mounting rods. The top and bottom outer walls of the transverse displacement seat are fixedly connected with symmetrically arranged guide blocks, and the guide blocks are slidably connected to the inner walls of the movable grooves.

[0010] As a preferred embodiment of the present invention, an installation cavity is opened on the inner side of the two spreading arms, the fixing rod extends to the inner side of the installation cavity, a fixing block is fixedly installed on the inner side of the installation cavity, a slot is opened on one side of the fixing block, and the end of the fixing rod is inserted into the slot.

[0011] As a preferred embodiment of the present invention, a symmetrically arranged sliding groove is opened inside the fixed block, a sliding plate is slidably arranged on the inner wall of the sliding groove, a first opening is opened in the middle of the sliding plate, and a limiting rod is fixedly connected to the inner wall of the first opening.

[0012] As a preferred embodiment of the present invention, symmetrically arranged clamping grooves are provided on both sides of the fixing rod, and the limiting rod is adapted to the clamping grooves.

[0013] As a preferred embodiment of the present invention, a return spring is installed on the inner wall of one side of the slide groove, one end of the return spring is connected to the outer wall of one side of the slide plate, a limit frame with a door-type structure is slidably installed on the inner side of the installation cavity, the opposite side of the end of the limit frame is set with an inclined surface, and the limit frame is located on one side of the limit rod.

[0014] As a preferred embodiment of the present invention, a gear is installed on the third rotating shaft, a rack is installed on one side of the limit frame, the rack and the gear are meshed, a second opening is opened on one side of the connecting groove, the installation cavity is communicated with the second opening, and the rack is located on the inner side of the second opening.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, when performing a thoracotomy, the device is placed on the part of the patient that needs to be stretched for the operation, so that the air bags arranged on one side of the two stretching members contact the ribs on both sides, and then the anti-slip knob is rotated, and the anti-slip knob drives the threaded rod to rotate, so that when the threaded rod rotates, it can drive the transverse displacement seat to move, and the transverse displacement seat drives the push-pull rod to move, and the push-pull rod drives the piston plate to slide on the inner wall of the mounting shell, so that when the piston plate moves, it can transport gas to the two gas hoses, and then transport gas to the two air guide tubes through the two gas hoses, and then transport gas to the two air bags through the two air guide tubes, so as to realize flexible support for the ribs, and when the transverse displacement seat moves, it can drive the two stretching arms to move away from each other on both sides, so that the two stretching arms can drive the two stretching members to move away from each other, thereby realizing the stretching of the ribs, and cooperates with the flexible support of the two air bags to the ribs, so as to avoid damage to the ribs when the ribs are stretched.

[0016] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In the attached picture: Figure 1 This is a schematic diagram of the overall structure of a thoracotomy auxiliary device dedicated to clinical thoracic surgery of the present invention; Figure 2 It is a side view structural schematic diagram of a thoracotomy auxiliary device specially used for clinical thoracic surgery of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of a base, a spreading arm and a transverse seat of a thoracotomy auxiliary device specially used for clinical thoracic surgery of the present invention; Figure 4 This is a schematic diagram of the cross-sectional structure of the installation shell of a thoracotomy auxiliary device dedicated for clinical thoracic surgery of the present invention; Figure 5 It is a schematic diagram of a partial side cross-sectional structure of an installation shell of a thoracotomy auxiliary device dedicated for clinical thoracic surgery of the present invention; Figure 6 It is a schematic diagram of the connection structure of a base, a lateral displacement seat and a mounting shell of a thoracotomy auxiliary device specially used for clinical thoracic surgery of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of a limit seat of a thoracotomy auxiliary device specially used for clinical thoracic surgery of the present invention; Figure 8 It is a schematic diagram of a partial top view and cross-sectional structure of an opening arm of a thoracotomy auxiliary device specially used for clinical thoracic surgery of the present invention; Fig. 9 A thoracotomy auxiliary device for clinical thoracic surgery of the present invention Figure 8 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1, base; 2, opening arm; 3, lateral displacement seat; 4, mounting shell; 5, opening member; 6, air bag; 7, air guide tube; 8, air delivery hose; 9, push-pull rod; 10, connecting rod; 11, mounting rod; 12, connecting groove; 13, threaded rod; 14, anti-slip knob; 15, first mounting groove; 16, fixing rod; 17, second mounting groove; 18, piston plate; 19, air inlet; 20, first rotating shaft; 21, second rotating shaft; 22, third rotating shaft; 23, sealing plug; 24, guide 1. guide block; 25. movable groove; 26. sliding frame; 27. reinforcing rod; 28. connecting frame; 29. ​​mounting block; 30. guide groove; 31. limiting seat; 32. positioning block; 33. positioning groove; 34. rectangular groove; 35. compression spring; 36. rectangular movable opening; 37. connecting block; 38. mounting cavity; 39. fixing block; 40. limiting frame; 41. rack; 42. gear; 43. limiting rod; 44. slide groove; 45. slide plate; 46. reset spring; 47. clamping groove; 48. slot. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0020] like Figures 1 to 9 Shown A thoracotomy auxiliary device specially used for clinical thoracic surgery comprises a base 1, a transverse seat 3 and a mounting shell 4. The base 1 is rotatably mounted with symmetrically arranged spreading arms 2 on both sides. The transverse seat 3 is arranged between the base 1 and the mounting shell 4. The top and bottom outer walls of the base 1 are fixedly connected with symmetrically arranged mounting rods 11. Both mounting rods 11 are provided with movable grooves 25. The top and bottom outer walls of the transverse seat 3 are fixedly connected with symmetrically arranged guide blocks 24, and the guide blocks 24 are slidably connected to the inner walls of the movable grooves 25. The top of the mounting shell 4 is provided with an air inlet 19, and the inner wall of the air inlet 19 is provided with a sealing plug 23. The air inlet 19 is arranged to facilitate the introduction of gas into the mounting shell 4. After the gas is introduced, the sealing plug 23 is covered on the air inlet. The opening 19 realizes the sealing effect on the installation shell 4, a threaded hole is opened in the middle of the base 1, and a threaded rod 13 is screwed on the inner wall of the threaded hole, one end of the threaded rod 13 is rotatably connected to the outer wall of one side of the transverse displacement seat 3, and the end position of the threaded rod 13 is fixedly connected with an anti-slip knob 14, and symmetrically arranged connecting rods 10 are rotatably installed on both sides of the transverse displacement seat 3, and one end of the two connecting rods 10 is respectively rotatably connected to the two spreading arms 2, and the two spreading arms 2 have symmetrically arranged connecting grooves 12 opened on opposite sides, and the inner sides of the two connecting grooves 12 are rotatably installed with third rotating shafts 22, and one end of the two connecting rods 10 is respectively fixedly connected to the outer walls of the two third rotating shafts 22, and a movable hole is opened on one side of the installation shell 4, and a push-pull rod 9 is slidably set on the inner wall of the movable hole. One end of the push-pull rod 9 is fixedly connected to the outer wall of one side of the transverse displacement seat 3, and a piston plate 18 is slidably provided on the inner wall of the mounting shell 4. One end of the push-pull rod 9 is fixedly connected to the outer wall of one side of the piston plate 18. Symmetrical through holes are provided on both sides of the mounting shell 4, and a gas hose 8 is fixedly installed on the inner walls of the through holes. An L-shaped expansion member 5 is installed at the end positions of the two expansion arms 2. A mounting hole is provided at the end positions of the two expansion arms 2, and a fixed rod 16 of an L-shaped structure is provided on the inner side of the mounting hole. The two expansion members 5 are respectively connected to the end positions of the two fixed rods 16. An air bag 6 is installed on the outer wall of one side of the two expansion members 5. One side of the two air bags 6 is connected to an air guide tube 7, and the air guide tube 7 is connected to the air hose 8. When a thoracotomy is performed, The device is placed on the part of the patient that needs to be stretched for surgery, so that the airbags 6 set on one side of the two stretching members 5 are in contact with the ribs on both sides, and then the anti-skid knob 14 is turned, and the anti-skid knob 14 drives the threaded rod 13 to rotate, and the installation rod 11, the guide block 24 and the movable groove 25 are arranged in cooperation, so that when the threaded rod 13 rotates, it can drive the transverse displacement seat 3 to move, and the transverse displacement seat 3 drives the push-pull rod 9 to move, and the push-pull rod 9 drives the piston plate 18 to slide on the inner wall of the installation shell 4, so that when the piston plate 18 moves, it can transport gas to the two gas hoses 8, and then transport gas to the two air guide tubes 7 through the two gas hoses 8, and then transport gas to the two airbags 6 through the two air guide tubes 7, so as to realize flexible support for the ribs; A mounting block 29 is slidably mounted on the inner side of the mounting shell 4, and the mounting block 29 is fixedly connected to the outer wall of the push-pull rod 9. The outer walls on both sides of the mounting block 29 are fixedly connected to symmetrically arranged sliding frames 26. Symmetrically arranged guide grooves 30 are opened on both sides of the mounting shell 4, and the sliding frames 26 are slidably connected to the inner walls of the guide grooves 30. Reinforcement rods 27 are hingedly arranged on the two sliding frames 26. The opposite sides of the two opening arms 2 are fixedly connected to connecting frames 28. One end of the two reinforcing rods 27 is respectively hingedly arranged on the two connecting frames 28. A symmetrically arranged limit seat 31 is fixedly installed on the top of the housing 4, and a rectangular groove 34 is opened at the bottom of the two limit seats 31, and the inner wall of the rectangular groove 34 is slidably connected with a wedge-shaped positioning block 32, and a positioning groove 33 is opened at the top of the two sliding frames 26, and the positioning block 32 is adapted to the positioning groove 33, and the inner wall of the top of the two rectangular grooves 34 is fixedly connected with a compression spring 35, and the bottom end of the compression spring 35 is fixedly connected to the outer wall of the top of the positioning block 32, and a rectangular movable When the two sliding frames 26 are moved to the bottom of the two limit seats 31, the two positioning blocks 32 are squeezed upward until the positioning grooves 33 provided on the two sliding frames 26 are moved to the bottom of the two positioning blocks 32. At this time, under the action of the two compression springs 35, the two positioning blocks 32 can be pushed into the two positioning grooves 33 to realize the positioning of the two sliding frames 26, so that the two reinforcing rods 27 can play a role of further stabilizing support when the ribs are spread.

[0021] Furthermore, symmetrically arranged first mounting grooves 15 are provided on both sides of the base 1, and first rotating shafts 20 are rotatably installed on the inner sides of the two first mounting grooves 15. One ends of the two spreading arms 2 are respectively fixedly connected to the outer walls of the two first rotating shafts 20. Symmetrically arranged second mounting grooves 17 are provided on both sides of the transverse displacement seat 3, and second rotating shafts 21 are rotatably installed on the inner sides of the two second mounting grooves 17. One ends of the two connecting rods 10 are respectively fixedly connected to the outer walls of the two second rotating shafts 21. When the transverse displacement seat 3 moves, the coordinated first mounting groove 15, first rotating shaft 20, second mounting groove 17, second rotating shaft 21, connecting groove 12 and third rotating shaft 22 can drive the two spreading arms 2 to move away from each other on both sides, so that the two spreading arms 2 can drive the two spreading parts 5 to move away from each other, thereby realizing the spreading of the ribs. The flexible support of the ribs by the two airbags 6 can avoid damage to the ribs when the ribs are spread.

[0022] Furthermore, the inner sides of the two spreading arms 2 are provided with mounting cavities 38, the fixing rods 16 extend to the inner sides of the mounting cavities 38, the inner sides of the mounting cavities 38 are fixedly provided with fixing blocks 39, one side of the fixing blocks 39 is provided with slots 48, the end of the fixing rods 16 is inserted into the slots 48, the inner sides of the fixing blocks 39 are provided with symmetrically arranged slide grooves 44, the inner walls of the slide grooves 44 are slidably provided with slide plates 45, the middle part of the slide plate 45 is provided with a first opening, and the inner walls of the first opening are fixedly connected to the limiting rods 43, the fixing rods 16 are provided with symmetrically arranged clamping grooves 47, the limiting rods 43 are adapted to the clamping grooves 47, and the slide grooves A return spring 46 is installed on the inner wall of one side of 44, and one end of the return spring 46 is connected to the outer wall of one side of the slide plate 45. A limit frame 40 of a door-type structure is slidably installed on the inner side of the installation cavity 38, and the opposite side of the end of the limit frame 40 is set as an inclined surface. The limit frame 40 is located on one side of the limit rod 43. A gear 42 is installed on the third rotating shaft 22, and a rack 41 is installed on one side of the limit frame 40. The rack 41 and the gear 42 are meshed. A second opening is opened on one side of the connecting groove 12, and the installation cavity 38 is connected to the second opening, and the rack 41 is located on the inner side of the second opening. When the ribs are spread open, under the action of the third rotating shaft 22 The gear 42 can be driven to rotate, so that the gear 42 drives the rack 41 to move, and the rack 41 drives the limit frame 40 to move. The limit frame 40 squeezes the limit rod 43, and can squeeze the limit rod 43 into the clamping groove 47 to achieve the positioning effect on the fixed rod 16, so that the spreader 5 is further stabilized, and the stable support of the ribs during the operation is achieved. When the operation is completed, the threaded rod 13 is rotated by the anti-slip knob 14, and the installation rod 11, the guide block 24 and the movable groove 25 are arranged, so that the threaded rod 13 can drive the lateral displacement seat 3 to move when it rotates. The third rotating shaft 22 drives the gear 42 to rotate in the opposite direction, and the gear 42 drives the rack 41 to move, so that the rack 41 drives the limit frame 40 to move, and the limit frame 40 can be reset, so that the limit frame 40 is separated from the end position of the limit rod 43. At this time, under the action of the reset spring 46 and the slide plate 45, the limit rod 43 is separated from the clamping groove 47, and the limit on the fixed rod 16 is released. Then the fixed rod 16 can be pulled out of the mounting cavity 38, so that it is convenient to disassemble the expansion member 5 for disinfection and cleaning after the operation is completed.

[0023] The implementation principle of the thoracotomy auxiliary device for clinical thoracic surgery in this embodiment is as follows: During specific use, the air is introduced into the installation shell 4 through the set air inlet 19. After the air is introduced, the sealing plug 23 is covered on the air inlet 19 to achieve the sealing effect on the installation shell 4. When performing a thoracotomy, the device is placed on the part of the patient that needs to be expanded for surgery, so that the airbags 6 set on one side of the two expansion members 5 are in contact with the ribs on both sides, and then the anti-slip knob 14 is rotated, and the anti-slip knob 14 drives the threaded rod 13 to rotate, and cooperates with the set installation rod 11, guide block 24 and movable groove 25, so that when the threaded rod 13 rotates, it can drive the transverse seat 3 to move, and the transverse seat 3 drives the push-pull rod 9 to move, and the push-pull rod 9 drives the movable The plug plate 18 slides on the inner wall of the mounting shell 4, so that the piston plate 18 can deliver the gas to the two gas hoses 8 when moving, and deliver the gas to the two air pipes 7 through the two gas hoses 8, and then deliver the gas to the two air bags 6 through the two air pipes 7, so as to realize flexible support for the ribs. When the transverse displacement seat 3 moves, the first mounting groove 15, the first rotating shaft 20, the second mounting groove 17, the second rotating shaft 21, the connecting groove 12 and the third rotating shaft 22 arranged in coordination can drive the two spreading arms 2 to move away from each other on both sides, so that the two spreading arms 2 can drive the two spreading members 5 to move away from each other, thereby realizing the spreading of the ribs. The flexible support of the two airbags 6 to the ribs is convenient for avoiding damage to the ribs when the ribs are stretched. When the ribs are stretched, the gear 42 can be driven to rotate under the action of the third rotating shaft 22, so that the gear 42 drives the rack 41 to move, and the rack 41 drives the limit frame 40 to move. The limit frame 40 squeezes the limit rod 43 and can squeeze the limit rod 43 into the clamping groove 47 to achieve the positioning effect on the fixing rod 16, so that the stretching member 5 is further stabilized, and the stable support of the ribs during the operation is achieved. At the same time, the push-pull rod 9 can drive the mounting block 29 to move in the mounting shell 4, so that the mounting block 29 The cooperating guide grooves 30 drive the two sliding frames 26 to move, and the two connecting frames 28 cooperating with the two sliding frames 26 change the inclination angle of the two reinforcing rods 27. When the two sliding frames 26 move to below the two limit seats 31, the two positioning blocks 32 are squeezed upward until the positioning grooves 33 provided on the two sliding frames 26 move to directly below the two positioning blocks 32. At this time, under the action of the two compression springs 35, the two positioning blocks 32 can be pushed into the two positioning grooves 33 to achieve the positioning effect on the two sliding frames 26, so that the two reinforcing rods 27 can play a role of further stabilizing support when the ribs are stretched.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thoracotomy auxiliary device for clinical thoracic surgery, comprising a base (1), a lateral displacement seat (3) and a mounting shell (4), characterized in that: The base (1) is rotatably mounted with symmetrically arranged spreading arms (2), the transverse seat (3) is arranged between the base (1) and the mounting shell (4), a threaded hole is provided in the middle of the base (1), and a threaded rod (13) is screwed on the inner wall of the threaded hole, one end of the threaded rod (13) is rotatably connected to the outer wall of one side of the transverse seat (3), and an anti-slip knob (14) is fixedly connected to the end position of the threaded rod (13), and symmetrically arranged connecting rods (10) are rotatably mounted on both sides of the transverse seat (3), one end of the two connecting rods (10) are respectively rotatably connected to the two spreading arms (2), and symmetrically arranged connecting grooves (12) are provided on opposite sides of the two spreading arms (2), and third rotating shafts (22) are rotatably mounted on the inner sides of the two connecting grooves (12), and one end of the two connecting rods (10) is respectively fixedly connected to the outer walls of the two third rotating shafts (22), and a movable A movable hole is provided on the inner wall of the movable hole for sliding, and a push-pull rod (9) is slidably provided on the inner wall of the movable hole, one end of the push-pull rod (9) is fixedly connected to the outer wall of one side of the transverse displacement seat (3), a piston plate (18) is slidably provided on the inner wall of the mounting shell (4), one end of the push-pull rod (9) is fixedly connected to the outer wall of one side of the piston plate (18), symmetrical through holes are provided on both sides of the mounting shell (4), and a gas hose (8) is fixedly installed on the inner wall of the through holes, an L-shaped expansion member (5) is installed at the end position of the two expansion arms (2), a mounting hole is provided at the end position of the two expansion arms (2), and a fixed rod (16) of an L-shaped structure is provided inside the mounting hole, the two expansion members (5) are respectively connected to the end positions of the two fixed rods (16), an air bag (6) is installed on the outer wall of one side of the two expansion members (5), one side of the two air bags (6) is connected to an air guide tube (7), and the air guide tube (7) is connected to the air hose (8); A mounting block (29) is slidably mounted on the inner side of the mounting shell (4), the mounting block (29) is fixedly connected to the outer wall of the push-pull rod (9), symmetrically arranged sliding frames (26) are fixedly connected to the outer walls of both sides of the mounting block (29), symmetrically arranged guide grooves (30) are opened on both sides of the mounting shell (4), and the sliding frames (26) are slidably connected to the inner walls of the guide grooves (30), reinforcing rods (27) are hingedly mounted on the two sliding frames (26), the two opening arms (2) are fixedly connected to connecting frames (28) on opposite sides, one end of the two reinforcing rods (27) is respectively hingedly mounted on the two connecting frames (28), and symmetrically arranged limit seats (31) are fixedly mounted on the top of the mounting shell (4). The two limiting seats (31) are each provided with a rectangular groove (34) at the bottom, and the inner wall of the rectangular groove (34) is slidably connected to a positioning block (32) of a wedge-shaped structure; the two sliding frames (26) are each provided with a positioning groove (33) at the top, and the positioning block (32) is matched with the positioning groove (33); the inner wall of the top of the two rectangular grooves (34) is fixedly connected to a compression spring (35), and the bottom end of the compression spring (35) is fixedly connected to the outer wall of the top of the positioning block (32); one side of the two limiting seats (31) is provided with a rectangular movable opening (36), and the inner wall of the two rectangular movable openings (36) is slidably connected to a connecting block (37), and the connecting block (37) is fixedly connected to the outer wall of one side of the positioning block (32).

2. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 1, characterized in that: The base (1) has symmetrically arranged first mounting grooves (15) on both sides, and first rotating shafts (20) are rotatably mounted inside the two first mounting grooves (15). One end of the two spreading arms (2) is respectively fixedly connected to the outer walls of the two first rotating shafts (20).

3. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 1, characterized in that: The transverse seat (3) is provided with symmetrically arranged second mounting grooves (17), the inner sides of the two second mounting grooves (17) are both rotatably mounted with second rotating shafts (21), and one ends of the two connecting rods (10) are respectively fixedly connected to the outer walls of the two second rotating shafts (21).

4. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 1, characterized in that: An air inlet (19) is provided at the top of the mounting housing (4), and a sealing plug (23) is provided on the inner wall of the air inlet (19).

5. The thoracotomy auxiliary device for clinical thoracic surgery according to claim 1, characterized in that: The top and bottom outer walls of the base (1) are fixedly connected to symmetrically arranged mounting rods (11), and movable grooves (25) are provided on the two mounting rods (11). The top and bottom outer walls of the transverse displacement seat (3) are fixedly connected to symmetrically arranged guide blocks (24), and the guide blocks (24) are slidably connected to the inner walls of the movable grooves (25).

6. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 1, characterized in that: The two spreading arms (2) are each provided with a mounting cavity (38) on the inside, the fixing rod (16) extends into the inside of the mounting cavity (38), a fixing block (39) is fixedly provided on the inside of the mounting cavity (38), a slot (48) is provided on one side of the fixing block (39), and the end of the fixing rod (16) is inserted into the slot (48).

7. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 6, characterized in that: A symmetrically arranged sliding groove (44) is provided on the inner side of the fixed block (39); a sliding plate (45) is slidably provided on the inner wall of the sliding groove (44); a first opening is provided in the middle of the sliding plate (45); and a limiting rod (43) is fixedly connected to the inner wall of the first opening.

8. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 7, characterized in that: Symmetrically arranged clamping grooves (47) are provided on both sides of the fixing rod (16), and the limiting rod (43) is adapted to fit the clamping grooves (47).

9. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 8, characterized in that: A return spring (46) is installed on the inner wall of one side of the slide groove (44), and one end of the return spring (46) is connected to the outer wall of one side of the slide plate (45). A limit frame (40) with a door-type structure is slidably installed inside the installation cavity (38), and the opposite side of the end of the limit frame (40) is arranged as an inclined surface. The limit frame (40) is located on one side of the limit rod (43).

10. A thoracotomy auxiliary device for clinical thoracic surgery according to claim 9, characterized in that: A gear (42) is mounted on the third rotating shaft (22), a rack (41) is mounted on one side of the limiting frame (40), the rack (41) and the gear (42) are meshed, a second opening is formed on one side of the connecting groove (12), the mounting cavity (38) is in communication with the second opening, and the rack (41) is located inside the second opening.

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