CN117322929A

CN117322929A - Lung cancer operation wound struts equipment

Info

Publication number: CN117322929A
Application number: CN202311466269.4A
Authority: CN
Inventors: 张强
Original assignee: Tianjin Medical University Cancer Institute and Hospital
Current assignee: Tianjin Medical University Cancer Institute and Hospital
Priority date: 2023-11-06
Filing date: 2023-11-06
Publication date: 2024-01-02

Abstract

The invention relates to the technical field of wound opening equipment, and particularly discloses lung cancer operation wound opening equipment which comprises an opener main body, wherein a fixed frame and a movable frame are respectively arranged on the outer side of the opener main body; the supporting component is positioned at the outer sides of the fixed frame and the movable frame, the supporting component supports the ribs of the patient, and the supporting position and the opening degree are adjusted according to the respiratory frequency of the patient, so that the supporting component can adjust the opening degree of the ribs according to the respiratory frequency of the patient, and the opening degree of the rib opener can be reduced when the patient inhales through the supporting component in the operation process, so that overlarge air pressure and pain feeling on the patient are avoided; when the patient exhales, the opening degree is increased to improve the space and the visual field of operation, and the patient exhales and inhales when, the support position of supporting component is different, avoids lasting to drag a position and arouses patient's discomfort, alleviates medical personnel work load.

Description

Lung cancer operation wound struts equipment

Technical Field

The invention relates to the technical field of wound opening equipment, in particular to lung cancer operation wound opening equipment.

Background

The lung cancer operation is an operation method for treating lung cancer, which is mainly to thoroughly remove the primary cancer focus and local and mediastinal lymph nodes of the lung and keep healthy lung tissues as far as possible, and usually, the lung cancer operation is performed by adopting a thoracoscopic technique or an open operation, in the open lung cancer operation, a doctor needs to cut an incision with the length of about 30 cm from the side chest wall, cut off the muscle and intercostal muscle of the chest wall of a patient, and usually, a rib spreader is used for forcedly spreading the ribs for performing the operation in order to show the operation area and provide enough space.

When using the rib spreader, medical staff firstly selects the rib spreader with proper size according to the chest shape and the size of a patient; then determining the position of the spreader and marking the corresponding skin to ensure the accuracy and stability of inserting the spreader; gently distract the patient's ribs by hand or other instrument so that it is wide enough to insert the rib distractor; the rib spreader with the selected size is inserted into a pre-marked position, and the spreader is gradually unfolded, so that the spreader keeps the open state of the chest cavity, the spreader is ensured to be firmly inserted and correctly unfolded, so that displacement or instability is avoided, but in the operation process, discomfort such as chest distress, dyspnea and the like is brought to a patient due to the use of the rib spreader, so that in order to alleviate the discomfort of the patient, a medical staff is required to adjust the position and the angle of the rib spreader according to the actual condition of the patient, so that compression or traction on surrounding tissues is reduced, and the operation amount of the medical staff is increased. For this reason, we propose a lung cancer operation wound struts equipment.

Disclosure of Invention

The invention aims to provide lung cancer operation wound opening equipment so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the lung cancer operation wound opening device comprises an opening device main body, wherein a fixing frame and a moving frame are respectively arranged on the outer side of the opening device main body;

the support component is positioned outside the fixed frame and the movable frame, supports the rib of the patient, and adjusts the support position and the opening degree according to the respiratory frequency of the patient;

the support assembly comprises two first support claws which are fixedly connected with the fixing frame and the end part of the movable frame respectively, the outer sides of the first support claws are slidably connected with second support claws, adjusting pieces which are used for controlling the first support claws and the second support claws to alternately support wounds are arranged on the fixing frame and the movable frame, air inflation pieces which are used for controlling the adjusting pieces to work according to the respiratory rate of a patient are arranged on the outer sides of the adjusting pieces, and the air inflation pieces are connected with the respiratory rate monitor.

Preferably, the two support claws are arranged symmetrically.

Preferably, the regulating part comprises two regulating boxes fixedly connected with the surfaces of the fixed frame and the movable frame respectively, driving rods are arranged on the outer sides of the regulating boxes, the two driving rods are fixedly connected with two supporting claws respectively, a connecting rod is fixedly connected to one end of each driving rod, which is close to the regulating box, of each regulating box, a sealing bin is formed in the inner wall of each regulating box, a piston plate I is slidably connected to the inner wall of each sealing bin, and the piston plate I is fixedly connected with the connecting rod.

Preferably, the inflatable member comprises Y-shaped air delivery pipes positioned at the outer sides of the adjusting boxes, the Y-shaped air delivery pipes are respectively communicated with the sealing bins of the inner walls of the two adjusting boxes, one end of each Y-shaped air delivery pipe, which is far away from the adjusting box, is fixedly connected with an exhaust box, the inner wall of each exhaust box is slidably connected with a piston plate II, the outer sides of the piston plates II are fixedly connected with electric cylinders, one ends, which are far away from the piston plates II, of each electric cylinder are fixedly connected with the bottom of each exhaust box, and control pieces for controlling the extension amplitude of the electric cylinders according to the respiratory rate of patients are arranged at the outer sides of the exhaust boxes.

Preferably, the control piece comprises a control box fixedly connected with the outer side of the exhaust box, the control box is electrically connected with the electric cylinder, a data connecting wire is fixedly connected with the outer side of the control box, and the data connecting wire is connected with the respiratory frequency monitor.

Preferably, the inner wall of the exhaust box is provided with a manual control part for manually controlling the extension of the electric cylinder, the manual control part comprises a movable rod fixedly connected with one end of the piston plate II, which is close to the electric cylinder, the inner wall of the exhaust box is provided with a movable groove which is in sliding connection with the movable rod, the inner wall of the exhaust box is provided with a plurality of communication holes, and a trigger part for controlling the electric cylinder to stop extending is arranged in the communication holes.

Preferably, the trigger piece includes the slide bar with intercommunicating pore surface sliding connection, slide bar bottom fixedly connected with supporting seat, supporting seat and exhaust bin inner wall sliding connection, supporting seat one side fixedly connected with travel switch, slide bar keep away from supporting seat one end and rotate and be connected with the push rod, and slide bar one end and external intercommunication are kept away from to the push rod, and the push rod outside is equipped with carries out spacing locating part to the push rod.

Preferably, the limiting piece comprises a limiting block fixedly connected with the outer side of the push rod, a limiting groove which is in sliding connection with the limiting block is formed in the surface of the communication hole, and a reset piece for pushing the limiting block to reset is arranged on the outer side of the limiting block.

Preferably, the reset piece comprises an extrusion plate which is in sliding connection with the surface of the limit groove, the extrusion plate is in sliding connection with the limit block, a reset spring is fixedly connected with the bottom of the extrusion plate, and the reset spring is fixedly connected with the surface of the limit groove.

Preferably, the limit groove is divided into a sliding end and a rotating end.

The invention has at least the following beneficial effects:

when the rib spreader is used, the rib of a patient is spread by the support component through adjusting the distance between the movable frame and the fixed frame so as to be matched with the exposed operation field, after the rib spreader is installed, the support component can control the spreading amplitude of the rib according to the respiratory frequency of the patient, and in the operation process, the spreading amplitude of the rib spreader can be reduced through the support component when the patient inhales, so that the excessive atmospheric pressure and pain feeling to the patient are avoided; when the patient exhales, the opening degree is increased to improve the space and the visual field of operation, and the patient exhales and inhales when, the support position of supporting component is different, avoids lasting to drag a position and arouses patient's discomfort, alleviates medical personnel work load.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic top cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the area A in FIG. 2;

FIG. 4 is a schematic top view of the manual control of the present invention;

FIG. 5 is a schematic side view of a push rod of the present invention;

FIG. 6 is a schematic top cross-sectional view of the structural exhaust box of the present invention;

FIG. 7 is a schematic side cross-sectional view of a structural trigger of the present invention;

FIG. 8 is an enlarged schematic view of region B of FIG. 7;

FIG. 9 is a schematic side cross-sectional view of a structural restraint slot of the present invention;

fig. 10 is an enlarged schematic view of region C in fig. 9.

In the figure: 1-a distractor body; 2-fixing frames; 3-a moving rack; 4-a support assembly; 40-supporting claw I; 41-a second supporting claw; 42-adjusting piece; 43-a regulatory cassette; 44-a drive rod; 45-connecting rods; 46, sealing the bin; 47-piston plate one; 48-an inflatable member; 49-Y type air delivery pipe; 410-an exhaust box; 411-piston plate two; 412-an electric cylinder; 413-a control; 414-control box; 415-data connection lines; 5-manual control adjustment; 50-moving the rod; 51-a movement groove; 52-communicating holes; 53-trigger; 54-sliding bar; 55-supporting seats; 56-travel switch; 57-push rod; 58-limiting piece; 59-limiting blocks; 510-a limit groove; 511-a reset; 512-extrusion plate; 513-a return spring; 514—a slide end; 515-rotating end.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-3, the present invention provides a technical solution: the lung cancer operation wound opening device comprises an opening device main body 1, a fixing frame 2 and a moving frame 3 are respectively positioned at the outer side of the opening device main body 1, the fixing frame 2 is fixedly connected with the opening device main body 1, and the moving frame 3 is in sliding connection with the surface of the opening device main body 1; the support assembly 4 is positioned at the outer sides of the fixed frame 2 and the movable frame 3, the support assembly 4 supports ribs of a patient, the support position and the opening degree are adjusted according to the respiratory rate of the patient, the support assembly 4 comprises two first support claws 40 which are fixedly connected with the end parts of the fixed frame 2 and the movable frame 3 respectively, the two first support claws 40 are symmetrically arranged, the outer sides of the first support claws 40 are slidably connected with second support claws 41, adjusting pieces 42 which are used for controlling the first support claws 40 and the second support claws 41 to alternately support wounds are arranged on the fixed frame 2 and the movable frame 3, an inflating piece 48 which is used for controlling the adjusting pieces according to the respiratory rate of the patient is arranged at the outer sides of the adjusting pieces, and the inflating piece 48 is connected with the respiratory rate monitor;

when the rib spreader is used, medical staff places the spreader main body 1 at a proper position of the chest of a patient, contacts the support component 4 with the rib of the patient, and controls the movable frame 3 to move on the surface of the spreader main body 1 by adjusting the handle on the surface of the movable frame 3, so that the rib of the patient is pulled to two sides through the support component 4 to expose an operation part, a doctor can conveniently perform an operation, after the rib spreader is installed, the support component 4 can adjust the opening of the rib according to the respiratory frequency of the patient, and in the operation process, the opening of the rib spreader can be reduced when the patient inhales through the support component 4, so that the excessive air pressure and pain feeling of the patient are avoided; when the patient exhales, the opening degree is increased to improve the space and the visual field of operation, and the patient exhales and inhales when, the support position of supporting component 4 is different, avoids lasting to drag to a position and arouses patient's discomfort, alleviates medical personnel work load.

When the movable frame 3 moves on the surface of the spreader main body 1, the movable frame 3 drives the first supporting claws 40 connected with the movable frame 3 to move, so that the distance between the first two supporting claws 40 is increased, the ribs of the operation position of a patient are pulled to two sides by the first supporting claws 40, and the operation position of the patient is exposed, so that the operation of medical staff is facilitated;

when a patient exhales, the two supporting claws 41 are pushed to move outwards simultaneously through the adjusting piece 42, so that the first supporting claw 40 is replaced to pull the ribs, the expansion degree of the ribs can be further enlarged, the operation field of medical staff is improved, when the patient breathes, the two supporting claws 41 are close to each other, the expansion degree of the ribs is reduced, the two supporting claws 40 are replaced to support the ribs, the operation field of view can be actively increased when the patient exhales through the supporting component 4, and different positions of the ribs are supported according to the breathing of the patient, so that discomfort of the patient caused by the fact that the patient is continuously supported at the same position of the ribs of the patient is avoided.

The adjusting piece 42 comprises two adjusting boxes 43 fixedly connected with the surfaces of the fixed frame 2 and the movable frame 3 respectively, the driving rods 44 are positioned at the outer sides of the adjusting boxes 43, the two driving rods 44 are fixedly connected with the two supporting claws 41 respectively, one end, close to the adjusting boxes 43, of each driving rod 44 is fixedly connected with a connecting rod 45, the inner wall of each adjusting box 43 is provided with a sealing bin 46, the inner wall of each sealing bin 46 is slidably connected with a piston plate 47, and the piston plates 47 are fixedly connected with the connecting rods 45;

when a patient exhales, the inflatable piece 48 can simultaneously inflate the two seal cabins 46, air flow enters the seal cabins 46 and then pushes the first piston plate 47 to slide along the inner wall of the seal cabins 46, the first piston plate 47 drives the connecting rod 45 to move, the connecting rod 45 drives the driving rods 44 to move, the two driving rods 44 move so as to drive the two supporting claws 41 to be away from each other, the supporting claws 41 replace the supporting claws 40 to support the ribs and further pull the ribs outwards, and therefore the operation field can be enlarged when the patient exhales;

when the patient inhales, the air in the two seal chambers 46 is pumped out by the air filling piece 48 at the same time, the air pressure in the seal chambers 46 is reduced, the supporting force of the second supporting claw 41 on the ribs is reduced, the second supporting claw 41 is pushed by the ribs to move, so that the second supporting claw 41 is close to each other, the first piston plate 47 slides along the first inner wall of the seal chamber 46 to reset the connecting rod 45, the connecting rod 45 drives the driving rod 44 to reset, the driving rod 44 drives the supporting claw to reset, and the first supporting claw 40 supports the ribs again, so that the rib opening amplitude is smaller than that of the rib opening amplitude in exhalation when the patient inhales, and the same position of the ribs is prevented from being pulled for a long time while a doctor has sufficient operation vision.

The inflatable member 48 comprises Y-shaped air delivery pipes 49 positioned at the outer sides of the regulating boxes 43, the Y-shaped air delivery pipes 49 are respectively communicated with the sealed cabins 46 of the inner walls of the two regulating boxes 43, one end of each Y-shaped air delivery pipe 49, which is far away from each regulating box 43, is fixedly connected with an exhaust box 410, the inner wall of each exhaust box 410 is slidably connected with a piston plate II 411, the outer sides of the piston plates II 411 are fixedly connected with electric cylinders 412, one end, which is far away from the piston plates II 411, of each electric cylinder 412 is fixedly connected with the bottom of each exhaust box 410, and a control piece 413 for controlling the extension amplitude of each electric cylinder 412 according to the respiratory rate of a patient is arranged at the outer sides of the exhaust boxes 410;

when a patient exhales, the control piece 413 controls the electric cylinder 412 to extend, the electric cylinder 412 pushes the piston plate II 411 to slide on the inner wall of the exhaust box 410, so that the air flow on the inner wall of the exhaust box 410 is pressed into the Y-shaped air delivery pipe 49, and the air flow is simultaneously delivered into the two sealing bins 46 through the Y-shaped air delivery pipe 49, so that the two support claw II 41 can be pushed away from each other simultaneously;

when the patient inhales, the control piece 413 controls the electric cylinder 412 to reset, and the electric cylinder 412 pulls the second piston plate 411 to reset, so that the air flow in the seal cabin 46 is sucked into the exhaust box 410 through the Y-shaped transmission pipe, and the second supporting claws 41 are close to each other and do not support the ribs any more.

The control piece 413 comprises a control box 414 fixedly connected with the outer side of the exhaust box 410, the control box 414 is electrically connected with the electric cylinder 412, a data connecting wire 415 is fixedly connected with the outer side of the control box 414, the data connecting wire 415 is connected with a respiratory rate monitor, the respiratory rate monitor is medical equipment used for monitoring the respiratory rate of a patient in the prior art, the respiratory rate monitor can monitor the respiratory motion or respiratory signal of the patient through a sensor or a probe and other devices, calculates and displays the respiratory rate data of the patient, and in the lung cancer operation, the respiratory rate monitor can provide important monitoring indexes to help doctors to know the respiratory state and the anesthesia state of the patient, guide the doctors to adjust the parameters of a respirator and the use amount of anesthetic, and ensure the safety and smooth operation;

when the control piece 413 is used, the control piece is connected with an existing respiratory rate monitor through a data connection line 415, so that the respiratory rate of a patient collected by the respiratory rate monitor is read, the control box 414 is electrically connected with the electric cylinder 412, the control box 414 controls the electric cylinder 412 to stretch and reset through reading the respiratory rate of the patient collected by the respiratory rate monitor, so that the first support claw 40 and the second support claw 41 are controlled to support ribs alternately, and a doctor can judge the respiratory rate of the patient by observing the switching frequency of the first support claw 40 and the second support claw 41 during operation.

Example two

As shown in fig. 4-10, in the second embodiment, other structures are unchanged, unlike the first embodiment, the inner wall of the exhaust box 410 is provided with a manual control element 5 for controlling the extension of the electric cylinder 412, the manual control element 5 includes a moving rod 50 fixedly connected with one end of the second piston plate 411, which is close to the electric cylinder 412, the inner wall of the exhaust box 410 is provided with a moving groove 51 slidingly connected with the moving rod 50, the inner wall of the exhaust box 410 is provided with a plurality of communication holes 52, and the communication holes 52 are internally provided with a trigger element 53 for controlling the electric cylinder 412 to stop extension;

because the physique of each patient is different, the amplitude of the rib which can be spread again is different when each patient exhales, and the patient breathing discomfort is caused once the spread amplitude is too large, so that the extension of the electric cylinder 412 can be gradually regulated by observing the facial expression of the patient when breathing after the position of the movable plate is regulated through the manual regulating piece 42, the movement distance of the piston plate II 411 is changed due to the change of the extension of the electric cylinder 412, the air flow of the exhaust box 410 entering the sealing bin 46 is also changed, the movement amplitude of the two supporting claws II 41 is regulated, the re-expansion amplitude of the rib can be in line with the actual condition of each patient, and the patient discomfort is relieved;

when in use, a doctor firstly starts one trigger piece 53 closest to the electric cylinder 412, when a patient exhales, the electric cylinder 412 stretches, the electric cylinder 412 pushes the second piston plate 411 to move, the second piston plate 411 drives the movable rod 50 to slide along the inner wall of the movable groove 51 and contact with the first trigger piece 53, and the first trigger piece 53 controls the electric cylinder 412 to stop stretching, so that the two support claws 41 push the ribs to expand towards two sides; when the patient inhales, the electric cylinder 412 is reset, and a doctor judges that the patient can accept the expansion amplitude by observing the breathing condition of the patient under the condition that the electric cylinder 412 stretches by the length, if the patient has no uncomfortable condition, the doctor contacts the first trigger piece 53 and starts the adjacent trigger pieces 53 again, and sequentially tries until the patient is uncomfortable, the doctor returns to start the last trigger piece 53, so that the doctor is helped to gradually find the expansion amplitude of the rib suitable for each patient, and the operation field of the doctor in operation is increased.

The trigger piece 53 comprises a sliding rod 54 which is in sliding connection with the surface of the communication hole 52, a supporting seat 55 is fixedly connected to the bottom of the sliding rod 54, the supporting seat 55 is in sliding connection with the inner wall of the exhaust box 410, a travel switch 56 is fixedly connected to one side of the supporting seat 55, one end, far away from the supporting seat 55, of the sliding rod 54 is rotatably connected with a push rod 57 through a bearing, so that the sliding rod 54 and the push rod 57 can synchronously move in the vertical direction, one end, far away from the sliding rod 54, of the push rod 57 is communicated with the outside, and a limiting piece 58 for limiting the push rod 57 is arranged on the outer side of the push rod 57;

when in use, a doctor releases the limit of the push rod 57 through the limit piece 58, then presses the push rod 57, the push rod 57 drives the sliding rod 54 to slide downwards along the inner wall of the communication groove, the sliding rod 54 drives the supporting seat 55 to move downwards, the supporting seat 55 drives the travel switch 56 to move, when the moving rod 50 slides along the surface of the moving groove 51, the moving rod 50 can be in contact with the travel switch 56, the travel switch 56 is triggered, the electric cylinder 412 is controlled to stop extending through the travel switch 56, and the extension length of the electric cylinder 412 is controlled.

The limiting piece 58 comprises a limiting block 59 fixedly connected with the outer side of the push rod 57, a limiting groove 510 which is in sliding connection with the limiting block 59 is formed in the surface of the communication hole 52, the limiting groove 510 is divided into a sliding end 514 and a rotating end 515, a reset piece 511 for pushing the limiting block 59 to reset is arranged on the outer side of the limiting block 59, the reset piece 511 comprises a squeezing plate 512 which is in sliding connection with the surface of the limiting groove 510, the squeezing plate 512 is in sliding connection with the limiting block 59, a reset spring 513 is fixedly connected to the bottom of the squeezing plate 512, and the reset spring 513 is fixedly connected with the surface of the limiting groove 510;

when the limiting piece 58 is released, a medical staff presses the push rod 57, the push rod 57 drives the limiting block 59 to move to the rotating end 515 along the sliding end 514 of the limiting groove 510, the limiting block 59 pushes the extrusion plate 512 to move downwards along the surface of the rotating end 515 of the limiting groove 510, the extrusion plate 512 extrudes the reset spring 513, after the limiting block 59 completely slides to the rotating end 515, the limiting block 59 cannot move downwards any more, the medical staff rotates the push rod 57, the push rod 57 drives the limiting block 59 to rotate along the rotating end 515, the limiting block 59 and the surface of the extrusion plate 512 relatively slide, and after the medical staff does not press the push rod 57 any more, the reset spring 513 in a compressed state pushes the extrusion plate 512 to extrude the limiting block 59, and the limiting block 59 is clamped in the fixed end of the limiting groove 510;

when the push rod 57 is required to reset, the medical staff reversely rotates the push rod 57, the push rod 57 drives the limiting block 59 to rotate, and after the limiting block 59 moves from the rotating end 515 of the limiting groove 510 to the sliding end 514, the compression plate 512 is pushed to move downwards by the reset spring 513 in a compressed state, and the limiting block 59 is pushed to move to the sliding end 514 by the compression plate 512, so that the push rod 57 is reset.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lung cancer surgical wound distraction device comprising:

the spreader comprises a spreader main body (1), wherein a fixed frame (2) and a movable frame (3) are respectively arranged on the outer side of the spreader main body (1);

the method is characterized in that:

the support assembly (4), the said support assembly (4) locates at outside of fixed frame (2) and movable frame (3), the said support assembly (4) supports the rib of patient, and adjust the supporting position and opening degree according to the patient's breathing frequency;

the supporting component (4) comprises two first supporting claws (40) which are fixedly connected with the end parts of the fixed frame (2) and the movable frame (3) respectively, two second supporting claws (41) are slidably connected to the outer sides of the first supporting claws (40), adjusting pieces (42) for controlling the first supporting claws (40) and the second supporting claws (41) to alternately support wounds are arranged on the fixed frame (2) and the movable frame (3), and air inflation pieces (48) which work according to the breathing frequency control adjusting pieces of patients are arranged on the outer sides of the adjusting pieces, and the air inflation pieces (48) are connected with the breathing frequency monitor.

2. The lung cancer surgical wound distraction device of claim 1, wherein: the two first supporting claws (40) are symmetrically arranged.

3. The lung cancer surgical wound distraction device of claim 1, wherein: the adjusting piece (42) comprises two adjusting boxes (43) which are respectively connected with the fixing frame (2) and the moving frame (3) in a surface fixing mode, driving rods (44) are arranged on the outer sides of the adjusting boxes (43), the driving rods (44) are respectively fixedly connected with two supporting claws (41), the driving rods (44) are close to one end of each adjusting box (43) and fixedly connected with a connecting rod (45), a sealing bin (46) is formed in the inner wall of each adjusting box (43), a piston plate I (47) is connected with the inner wall of each sealing bin (46) in a sliding mode, and the piston plates I (47) are fixedly connected with the connecting rods (45).

4. A lung cancer surgical wound distraction device according to claim 3, wherein: the inflatable part (48) comprises Y-shaped air delivery pipes (49) positioned on the outer sides of the adjusting boxes (43), the Y-shaped air delivery pipes (49) are respectively communicated with sealing bins (46) of the inner walls of the two adjusting boxes (43), one ends of the Y-shaped air delivery pipes (49) away from the adjusting boxes (43) are fixedly connected with an exhaust box (410), the inner walls of the exhaust boxes (410) are slidably connected with a piston plate II (411), the outer sides of the piston plate II (411) are fixedly connected with electric cylinders (412), one ends of the electric cylinders (412) away from the piston plate II (411) are fixedly connected with the bottoms of the exhaust boxes (410), and control pieces (413) for controlling the extension amplitude of the electric cylinders (412) according to the respiratory rate of patients are arranged on the outer sides of the exhaust boxes (410).

5. The lung cancer surgical wound distraction device of claim 4, wherein: the control piece (413) comprises a control box (414) fixedly connected with the outer side of the exhaust box (410), the control box (414) is electrically connected with the electric cylinder (412), a data connecting wire (415) is fixedly connected with the outer side of the control box (414), and the data connecting wire (415) is connected with the respiratory rate monitor.

6. The lung cancer surgical wound distraction device of claim 4, wherein: the manual control device is characterized in that a manual control piece (5) for controlling the elongation of the electric cylinder (412) is arranged on the inner wall of the exhaust box (410), the manual control piece (5) comprises a movable rod (50) fixedly connected with one end of the piston plate II (411) close to the electric cylinder (412), a movable groove (51) which is slidably connected with the movable rod (50) is formed in the inner wall of the exhaust box (410), a plurality of communication holes (52) are formed in the inner wall of the exhaust box (410), and a trigger piece (53) for controlling the electric cylinder (412) to stop elongation is arranged in the communication holes (52).

7. The lung cancer surgical wound distraction device of claim 6, wherein: the trigger piece (53) comprises a sliding rod (54) which is in sliding connection with the surface of the communication hole (52), a supporting seat (55) is fixedly connected to the bottom of the sliding rod (54), the supporting seat (55) is in sliding connection with the inner wall of the exhaust box (410), a travel switch (56) is fixedly connected to one side of the supporting seat (55), one end, far away from the supporting seat (55), of the sliding rod (54) is rotationally connected with a push rod (57), one end, far away from the sliding rod (54), of the push rod (57) is communicated with the outside, and a limiting piece (58) for limiting the push rod (57) is arranged on the outer side of the push rod (57).

8. The lung cancer surgical wound distraction device of claim 7, wherein: the limiting piece (58) comprises a limiting piece (59) fixedly connected with the outer side of the push rod (57), a limiting groove (510) which is slidably connected with the limiting piece (59) is formed in the surface of the communication hole (52), and a reset piece (511) for pushing the limiting piece (59) to reset is arranged on the outer side of the limiting piece (59).

9. The lung cancer surgical wound distraction device of claim 8, wherein: the reset piece (511) comprises a squeezing plate (512) which is slidably connected with the surface of the limiting groove (510), the squeezing plate (512) is slidably connected with the limiting block (59), a reset spring (513) is fixedly connected to the bottom of the squeezing plate (512), and the reset spring (513) is fixedly connected with the surface of the limiting groove (510).

10. The lung cancer surgical wound distraction device of claim 8, wherein: the limit groove (510) is divided into a sliding end (514) and a rotating end (515).