44 results about "Thoracic surgery department" patented technology

This invention provides an intelligent anti-extubation vest and its application control method. Through sensor fusion and intelligent control technologies, it upgrades traditional passive fixation to an active protection system, shifting from "post-event handling" to "pre-event warning." Clinical trials show that it can reduce unplanned extubation rates, shorten nurse response times, and significantly improve the safety and quality of care for thoracic surgery patients. This invention achieves active protection through a closed-loop control system of "real-time monitoring - automatic clamping - multi-level alarms," ​​realizing an active anti-extubation mechanism and improving fixation reliability.

The present application belongs to the technical field of medical devices, and particularly relates to a chest surgery clinical nursing intubation guiding device, which comprises a fixed handle, the inside of the fixed handle is fixedly connected with a flow guide part, the inside of the flow guide part is provided with a guiding part, a liquid delivery channel is formed between the inner wall of the flow guide part and the outer wall of the guiding part, the inside of the guiding part is hollow to form an intubation guiding channel, and the gap between the intubation tube and the guiding channel is used to extract waste liquid; the flow guide part comprises a drainage shell, a connecting head, a supporting ring, a supporting seat and a plug seat, the upper end of the drainage shell is fixedly arranged in the inside of the fixed handle, and one end of the drainage shell is connected with an external liquid supply pump. The present application integrates intubation placement, liquid delivery and waste liquid extraction functions, accurately guides and develops to ensure that the intubation is accurately in place, uses a double-channel structure to realize simultaneous liquid delivery and liquid extraction without interference, and cooperates with a sealing and anti-skid design to improve operation safety, sterile protection and use convenience.

The application provides a lung segment bronchus catheter, which comprises a catheter tail end ventilation and suction interface, a cuff inflation device, an outer tube, an inner tube, a front end cuff and a guide end formed by the inner tube; the cuff is annularly arranged on the outer surface of the catheter head, and is in the form of a ring ball wrapped around the inner tube in the inflated state; the cuff inflation interface and the cuff inflation conduit are communicated between the gap between the outer tube and the inner tube at the catheter tail and lead to the cuff; the catheter ventilation and suction interface is communicated with the inner tube and the guide end formed by the inner tube, and a guide wire is arranged in the catheter ventilation and suction interface to form a straight lumen. The catheter can enter the target lung segment or sub-lung segment bronchus through the operation channel of the bronchoscope, the inflated cuff seals the airway cavity around the lung segment bronchus catheter cavity, then the guide wire is pulled out from the lung segment bronchus catheter cavity, the target lung segment or sub-lung segment is inflated through the catheter ventilation and suction interface, so that the anatomical range of the target lung segment or sub-lung segment after ventilation is revealed, the technical problem that a thoracic surgeon cannot accurately identify the anatomical range of the target lung segment in the operation is effectively solved, and the thoracic surgery anatomical partial lobectomy operation is facilitated.

The utility model discloses a protective structure of tableting machine for thoracic surgery medicament production belongs to thoracic surgery medicament production technical field, the utility model discloses a collection mechanism: the collection mechanism sets up in the front side of the push mechanism, the collection mechanism includes: connecting plate: the connecting plate rear surface fixed connection in the tableting machine body front surface, guide piece: the guide piece rear surface fixed connection in the connecting plate front surface, guide subassembly: the guide subassembly is provided with three, three the guide subassembly all sets up in the guide piece inside, slow pressure subassembly: slow pressure subassembly sets up in the guide subassembly downside, the utility model discloses a collection mechanism, has solved the push mechanism higher on the surface of the organism, and the staff will place the collecting device on the ground, and the problem that will cause the tablet breakage because of the rapid falling of the tablet, long -time handheld collecting device, can cause hand muscle sore and swollen, influence the follow -up operation of staff.

This invention discloses a flexible biopsy needle robot with force sensing function and its lung navigation method, belonging to the field of lung disease diagnosis and treatment. The robot includes a movable support, a drive system, and a flexible biopsy needle catheter. The drive system is mounted on the movable support via an electric slide, and the flexible biopsy needle catheter is mounted on the drive system. The movable support is used for coarse adjustment of the pose of the flexible biopsy needle catheter, and the electric slide is used for coarse adjustment of the axial feed motion of the flexible biopsy needle catheter. The drive system includes a deflection drive mechanism and a feed mechanism, used for fine adjustment of the omnidirectional deflection motion and axial feed motion of the flexible biopsy needle catheter, respectively. The drive system integrates a single-axis force sensor with high dynamic response, which can be used to detect the puncture force of the flexible biopsy needle, realizing the puncture force sensing function. This invention has the advantages of compact structure and good flexibility, and can play a significant role in the diagnosis of thoracic surgical diseases.

The application discloses a tubeless thoracic surgery pleural effusion monitoring device and relates to the technical field of pleural effusion monitoring. The tubeless thoracic surgery pleural effusion monitoring device comprises a body and a movable monitoring mechanism. The movable monitoring mechanism comprises an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected with a linear driver, the output end at the bottom of the linear driver is fixedly installed with an X-ray detector, the side of the surface of the linear driver is installed with an auxiliary assembly, the auxiliary assembly comprises a connecting base block and a pressing guide rod, the top end of the pressing guide rod and the side of the surface of the support are fixedly installed with an elastic telescopic damping rod, the bottom end of the pressing guide rod is fixedly connected with a rectangular sheet, the side of the bottom of the rectangular sheet is fixedly connected with a limiting piece, the middle of the bottom of the rectangular sheet is fixedly connected with a flexible pad, the purpose of preventing shaking is achieved, the patient can be pressed and held, a stable posture is maintained, and the chest cavity effusion can be accurately monitored, and the device is safe and reliable.

The utility model relates to heart and lung surgery extracorporeal circulation instrument technical field, especially point to a kind of intubation for aortic perfusion, it includes pipe head, tube body and balloon, pipe head and tube body are all hollowly arranged, and blood perfusion passage is formed in tube body;The front end of pipe head is communicated with the rear end of tube body, and the sidewall of the front end of tube body is respectively provided with first through-hole and second through-hole, first through-hole is located inside balloon, and the both sides of tube body are respectively provided with balloon channel and exhaust channel, the rear end of balloon channel is connected with first lead-out pipe, the rear end of exhaust channel is connected with second lead-out pipe, the rear end of first lead-out pipe is provided with first valve, and the rear end of second lead-out pipe is provided with second valve.The utility model realizes the inflation of balloon, realizes the blockage of blood vessel;The gas generated in perfusion blood supply process is extracted, and the effectiveness of perfusion blood supply is further improved;Blood perfusion passage, balloon channel and exhaust channel are respectively separated and independently work, and work reliably and stably.

The present invention provides an inner membrane tube bronchial catheter. The head of the main ventilation tube is equipped with a main ventilation port and a lateral ventilation port, while the tail is provided with two ventilator interfaces. One of the two ventilation ports can be selectively connected to either ventilator interface, thereby forming a membrane ventilation lumen. A front sealing cuff and a rear sealing cuff are respectively arranged at the anterior and posterior sides of the lateral ventilation port, and they are each connected to an inflation tube and an inflation valve. During thoracic surgery, the front sealing cuff is inserted into one bronchial orifice, while the rear sealing cuff remains within the main airway, with the lateral ventilation port oriented toward the opposite bronchial orifice; by inflating or deflating the membranous ventilation tube, lung isolation can be easily achieved, thereby minimizing the catheter's outer diameter, reducing intubation-related injury, and providing a larger ventilation chamber with lower airway resistance when ventilating either lung. Moreover, suctioning and bronchoscopic examination are made more convenient. After the surgery, the front sealing cuff can be deflated and retracted into the main airway, thereby converting the device into a single-lumen endotracheal tube. The catheter has a simple design, is cost-effective, has a low complication rate, and holds significant potential for clinical application.

The application provides a thoracotomy device for thoracic surgery assistance, and belongs to the technical field of medical instruments. The device comprises a guide frame, an expansion plate and two groups of symmetrically distributed supporting rods. A guide groove is formed through the outer surface of the guide frame. A sliding block is slidably connected to the inner side of the guide groove. The outer surface of the sliding block is fixedly connected to the supporting rod. A traction assembly for placing the expansion plate is arranged on the outer side of the supporting rod. An expansion assembly is arranged on the inner side of the guide frame. The expansion assembly comprises a guide block slidably connected to the inner side of the guide frame. In the above scheme, the expansion assembly is arranged. The corresponding positions of the observation scale and the scale line can be used to intuitively measure the rib expansion distance. Therefore, the appropriate expansion distance can be adjusted according to the physical indications of the patient. The damage to the ribs during the thoracotomy and rib expansion process can be effectively reduced, and the operation safety and convenience are further improved.

This utility model discloses a thoracic surgical pulmonary function training and rehabilitation device, relating to the field of pulmonary function training technology. It includes: an air bladder; a connecting tube, one end of which is connected to the air bladder; a one-way flow element, including a sealing plate fixed inside the connecting tube to prevent gas flow, with a vent hole on the sealing plate allowing gas to pass through; a sealing cone sliding on the side of the sealing plate near the air bladder to block the vent hole in the non-inflated state, and a return spring on the sealing cone to reset it after inflating; and an elastic adjustment element, including a connecting rod whose position changes the compression of the return spring, with a limiting bolt on the connecting rod limiting its position. This utility model, by setting an elastic adjustment element, can adjust the compression of the return spring in the one-way flow element according to the degree of inflating required by different patients, thus allowing different patients to use different levels of pulmonary function training and rehabilitation devices.

The application discloses a kind of vital sign monitoring and chest bottle fixing integration intelligent wheelchair device, it is related to wheelchair field, including, wheelchair frame;For placing drainage bottle's chest bottle rack, the chest bottle rack is rotatably connected on wheelchair frame;Slow swing ware, it includes brake pad, the chest bottle rack is compressed on wheelchair frame by brake pad;Drive system, it includes the hand drive brake pad hand drive unit and the brake pad mechanical drive mechanical drive unit;The application is effectively solved the technical problem that drainage liquid backflow when thoracic surgery patient goes up and down slope or bumpy section by gravity sensing and automatic deviation correction mechanism, prevent the occurrence of tension pneumothorax and retrograde infection from source.The function of "flat road dead lock, ramp slow swing" is realized by using double-spring differential pressure design and locking mechanism, which not only ensures absolute fixation in driving, but also avoids liquid surface agitation in the adjustment process, maximally reduces the risk of drainage tube pulling injury.

The present application relates to the technical field of thoracic surgery, and discloses an adjustable thoracic surgery thoracic cavity distraction device and a use method thereof, which comprises a moving plate, the present application drives the rotating shaft to rotate clockwise by rotating the operation handle, moves the two racks engaged with the rotating shaft by means of the flat key, the moving block on the left side can move left along the sliding groove on the left side, the moving block on the right side can move right along the sliding groove on the right side, so that the two moving blocks can move away from each other, and the two distraction arms can move away from each other, the force applied to the ribs by the two distraction arms is nearly the same, the deformation degree of the two ribs is nearly the same, and the problem that the deformation degree of the moving end rib is larger during the distraction operation of the traditional thoracic cavity rib distraction device is effectively prevented, when the patient has a fragile bone, the moving end rib will be damaged due to long-term bearing of concentrated eccentric load stress, and the safety of the operation and the postoperative rehabilitation effect of the patient are affected.

This invention relates to the field of medical device technology, providing a closed thoracic drainage control device for thoracic surgery. The device includes a drainage bottle with a base fixedly connected to its bottom. The inner wall of the base is equipped with an anti-tipping component to improve the stability of the drainage bottle. An inlet tube for introducing pleural effusion and gas is fixedly connected to the top left side of the drainage bottle. An anti-backflow component is installed inside the inlet tube to prevent backflow of the effusion. An exhaust pipe for discharging gas from the cavity is fixedly connected to the top right side of the drainage bottle. An adjustment pipe is arranged parallel to the right side of the exhaust pipe. The anti-tipping trigger component automatically isolates each chamber upon tipping, preventing fluid cross-contamination. A purely mechanical pressure regulating mechanism infinitely adjusts the negative pressure and adaptively maintains stability. The pressure relief component automatically alarms and resets hydraulically in case of overpressure. The entire device requires no power supply, has a compact structure, and is easy to operate, significantly improving the safety and portability of the drainage device.

The utility model discloses a thoracic surgery operation auxiliary device belongs to medical auxiliary tool technical field, including support frame and two receiving plate, the support frame includes two support seat and the support leg of connection between two support seat, wherein the support seat below is connected with operating table through fixed component, two receiving plate is located above two support seat respectively, one end of receiving plate is equipped with the swivel rod, the swivel rod penetrates the support seat and is connected with support seat rotation, the utility model discloses setting up two receiving plate on the support frame, then when the patient is on one's side and lies down when carrying out the lung operation, two arms are placed on two receiving plate respectively, when the operation time is too long, in order to increase the comfort of patient, can through the rotation receiving plate drive arm to bend to the appropriate angle, avoid the patient long time to keep a posture and lead to muscle fatigue, improve the flexibility of using, and two receiving plate set up on a device also increased the convenience of using.

This invention discloses a convenient plug-in fixed thoracic surgical anti-blockage drainage device, comprising a double-lumen drainage tube body. The tube body forms a main drainage lumen and an irrigation secondary lumen. A distal oblique incision is made on the common wall of the tube body to connect the two lumens. An elastic reservoir is connected to the proximal end of the irrigation secondary lumen, comprising an ellipsoidal bladder and an elastic compression ring fitted around the circumference of the ellipsoidal bladder. The elastic compression ring applies a continuous radial compression force to the ellipsoidal bladder, driving the irrigation fluid through the irrigation secondary lumen into the main drainage lumen from the distal oblique incision. The snap-fit ​​male connector has an elastic cantilever claw with a protruding hook on its outer wall, and an annular groove on the inner wall of the female connector. When the snap-fit ​​male connector is inserted into the female connector, the protruding hook engages with the annular groove to achieve axial locking. This invention solves the technical problems of retrograde infection risk and pleural air intake risk caused by the need to open the tubing during manual irrigation, achieving the technical effect that the lumen is never exposed to the external environment during irrigation.

The application discloses a kind of heart and lung surgery auxiliary distraction device, belong to medical instrument technical field, including gear assembly, connecting rod assembly, shell and locking part, gear assembly is located in the center inside shell and is connected to the connecting rod assembly arranged symmetrically, gear assembly is by knob, gear plate and pinion constitute multi-stage meshing transmission structure, connecting rod assembly is realized motion conversion by push rod, slider, lever and slide rod, shell integrates accurate guide slot, locking part uses the mechanical buckle type structure of reset spring drive. When using, rotate knob is driven by gear transmission to drive both sides connecting rod assembly synchronous action, realize the symmetric, stable distraction of surgical incision, reach preset amplitude after locking part automatic clamping locking, when unlocking, pull pull column can be quickly recovered, solve the problems of insufficient adjustment accuracy, unreliable locking, poor symmetric distraction, inconvenient operation and difficult cleaning and disinfection of existing mechanical distraction device.

The utility model provides a thoracic surgery comprehensive seat, including base plate, is provided with support seat on base plate, the back of support seat is provided with support rod, and is provided with thoracic support bandage on support rod, is provided with hand supporting unit in the both sides of support seat respectively, hand supporting unit contains a plurality of rotary joints, and is provided with the supporting plate in its end. The utility model provides sufficient body position support for thoracic surgery, can relieve the operation fatigue of thoracic surgery operator significantly, promotes the operation quality and safety. Especially simple equipment structure, convenient to use, easy to maintain and low in manufacturing, maintenance cost.

The application discloses a postoperative remote monitoring and rehabilitation system for thoracic surgery patients based on informatization, and relates to the technical field of postoperative monitoring.The system solves the technical problems that traditional monitoring cannot perceive the stress problem of sternal incision caused by improper posture, lacks real-time early warning models based on electrocardio characteristics, is difficult to discover acute events in time, and is difficult to make rehabilitation plans fit the actual situation, easily causes blind decision-making and cannot be dynamically adjusted due to fixed grouping, non-causal models and lack of optimization algorithms.The system dynamically correlates the body position angle and the thoracic pressure, calculates the thoracic load index and the sternal incision stress concentration index in real time, can quantify the cumulative stress of the sternal incision caused by improper posture, identifies influencing factors through the SCM structure causal model, constructs a rehabilitation data topology graph for each group, identifies key factors affecting the rehabilitation effect through causal inference, instead of only discovering correlation, provides a scientific basis for precise intervention, and avoids wrong decisions.

This invention relates to the field of medical device technology and discloses a puncture device for thoracic surgery, comprising: a support frame, a rotating platform, a support plate, and a puncture execution mechanism. The support frame includes a mounting base, a support component, and an annular support platform connected in sequence; the mounting base is for external mounting and is supported by external forces; the annular support platform has an annular mounting groove inside, extending along the extension trajectory of the annular support platform, and the annular mounting groove is concave from the inside to the outside along the radial direction of the annular support platform; the rotating platform rotatably fits into the annular mounting groove; the rotating platform has a linear guide structure extending radially along the rotating platform; the support plate is slidably connected to the linear guide structure; the puncture execution mechanism is mounted on the support plate and is used to perform the puncture operation. It achieves precise two-dimensional planar positioning and instantaneous adjustment of the puncture point.

This application relates to an intelligent respiratory training device for post-thoracic surgery respiratory function rehabilitation training, belonging to the technical field of medical rehabilitation devices. The device includes a housing, a resistance training module, an airflow sensing module, and a main control module. The resistance training module includes an actuator that can be rotated by the respiratory airflow. The airflow sensing module includes a flow obstruction screen and a differential pressure sensor disposed in the airflow channel. The main control module is configured to: calculate the instantaneous velocity of the respiratory airflow based on the differential pressure signal collected in real time by the differential pressure sensor, and generate a control signal based on the real-time deviation between the instantaneous velocity and the preset target velocity to dynamically adjust the resistance torque on the actuator, thereby guiding the instantaneous velocity towards the preset target velocity. This application solves the problems of fixed resistance modes, inability to quantify and evaluate, and lack of personalized guidance in traditional training devices by constructing a closed-loop control system with real-time monitoring and dynamic adjustment, achieving intelligent, precise, and adaptive control of the respiratory training process.

1. Name of the designed product: badge (for thoracic surgery). 2. Use of the designed product: for wearable badges. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

Patient biomarkers may be monitored before, during, and / or after thoracic surgery to predict complications, detect complications, track recovery, and / or make pre-, in- and / or post-surgery recommendations to avoid predicted complications and / or mitigate detected complications. Complications (e.g., prolonged air leak or esophageal stricture) may be predicted based on patient parameters and / or biomarker measurements. Complications may be predicted or detected based on biomarker measurements compared to thresholds associated with a biomarker (e.g., developed from baselines) generated based on patient parameters, pre- and / or in-surgery biomarker measurements, and / or surgical details (e.g., decrease in long capacity). Recovery milestones may be tracked based on biomarker measurements compared to predicted biomarker measurements for recovery stages. A recommendation (e.g., to avoid a predicted complication and / or mitigate a detected complication) may be a patient-specific selection and / or modification of more of: surgical preparation, in-surgery procedures, surgical instrument selection, surgical and / or post-surgical instrument settings, post-surgery procedures, in-surgery and / or post-surgery monitoring, etc.

This invention discloses an adjustable thoracic surgery chest cavity opening device, relating to the field of surgical instrument technology. It includes an opening mechanism, a pair of support arms driven to open and close by the opening mechanism, and grippers disposed at the ends of the support arms. It also includes a connecting mechanism and a locking unit. The connecting mechanism includes an upper slider and a lower slider slidably connected to the bottom of the support arms and the top of the grippers, respectively. The upper and lower sliders are aligned vertically and rotatably connected. The connecting mechanism also includes a fixing component for locking the upper and lower sliders. By fixing airbags to both ends of the inner wall of the grippers, this application can reduce the impact force when the grippers contact the ribs, improving safety and increasing the speed limit during opening, thus facilitating rapid chest cavity opening and saving surgical time. Furthermore, by observing the position of the sliding plug inside the transparent tube, the force on the ribs can be indirectly determined, allowing for adjustment of the direction of the supporting force applied to the ribs by the grippers, thus assisting the grippers to achieve better results.

The utility model discloses a thoracic surgery clinical lung protection equipment belongs to thoracic surgery technical field, a thoracic surgery clinical lung protection equipment, including fixed part one and setting in hand fixed part one fixed part two, the both sides between fixed part one and fixed part two are fixedly connected with the buckle belt, fixed arm no.

This invention relates to the field of state recognition technology, specifically a method and system for health status recognition of thoracic surgery patients. The method includes the following steps: acquiring postoperative heart rate, blood pressure, and respiratory rate data; normalizing and constructing a recovery rhythm sequence; using a variational autoencoder to map and calculate the residuals to extract the maximum deviation; calibrating the unstable intervals; determining the synchronous transition critical point; constructing a recovery sequence; identifying abnormal chains; and outputting the state result. In this invention, by constructing the original recovery rhythm sequence and introducing a latent space prediction mechanism, and using differential calculation of residual vectors combined with a fluctuation tolerance threshold to calibrate the unstable intervals, rhythm abnormalities are more accurately judged. By extracting directional consistency and average dwell time indicators from the recovery sub-paths composed of continuous states, and combining this with standard path matching to form a potential abnormal chain identification method, this invention effectively solves the problems of inaccurate identification caused by multi-parameter disconnection, missed transition nodes, and lack of temporal trend in traditional methods.

This invention belongs to the field of medical device technology, specifically relating to a multi-tube traction buffering and zonal guidance management device for postoperative lung cancer surgery. The device comprises a wearable main module, a multi-tube zonal guidance module, and a tube traction force buffering and dispersion module. This invention avoids the cross-entanglement and mutual interference of different types of tubes in scenarios involving multiple tubes such as double chest drainage and analgesia tubes after lung cancer surgery through zonal guidance. It also features a dedicated traction force buffering module and a limiting channel structure to meet the special buffering and protection needs of highly sensitive chest drainage tubes in thoracic surgery. Furthermore, it utilizes an anti-slip wearing and fixing structure to ensure stable wear during patient activities, while introducing precise control to suppress lateral tube movement and prevent skin abrasion. Thus, it systematically solves the core pain points of multi-tube management after lung cancer surgery.

The utility model relates to the technical field of medical apparatus and instruments, and concretely relates to a nursing lamp for thoracic surgery, which comprises a mounting plate, an adjusting frame, a limiting block, a fixing block, a connecting frame, a lamp body and a ratchet wheel and the like; the adjusting frame is hingedly connected to the mounting plate, the limiting block is hingedly connected to the adjusting frame, the locking assembly is connected to the limiting block, the fixing block is connected to the limiting block through the locking assembly, two connecting frames are connected to the fixing block, the lamp body is rotatably connected between the connecting frames, and two ratchet wheels are connected to the lamp body. The adjusting frame is arranged, the position between the lamp body and the patient can be adjusted at will, the height of the nursing lamp can be flexibly adjusted according to the specific needs and the body position of the patient, the convenience of treatment of the nursing lamp is improved, the irradiation angle of the lamp body can be fixed after being adjusted to the best, the light of the lamp body can directly act on the operation site of the patient, and the treatment and nursing efficiency is improved.

The application discloses a thoracic surgery nursing thoracic cavity pipeline fixing device, and belongs to the technical field of medical thoracic surgery, which comprises a fixing part, a pipeline fixing part, a detecting part, a pipeline structure and a winding and unwinding structure. The fixing part is used for fixing around the chest of a patient, and comprises a left adhesive plaster, a right adhesive plaster and a fixing belt connected between the two adhesive plasters. A limiting frame is arranged in the middle of the fixing belt. The pipeline fixing part is arranged in the limiting frame, and comprises a skin adhesive plaster and a pipeline fixing cone fixed on the skin adhesive plaster. The pipeline fixing cone is provided with a through channel, and an air bag is arranged on the inner wall of the pipeline fixing cone. The air bag is connected with an opening and closing plug. The pipeline fixing device can reliably maintain the initial angle of the pipeline after being drawn out from the skin, prevents pain and injury caused by frequent bending of the root of the pipeline, and physically limits the abnormal movement of the pipeline to the direction of the chest incision. The stable skin adhesion realized by the skin adhesive plaster and the adhesive tapes on the two sides of the skin adhesive plaster ensures the stability of the root of the drainage pipeline, and reduces the pulling and stimulation of the pipeline to the wound from the source.

The application relates to the technical field of rib fracture orthotopic fixation, and discloses a rib fracture orthotopic fixation device for thoracic surgery, which comprises a front fixing plate and a rear fixing plate, a strip-shaped box is arranged on the front fixing plate, a plurality of movable sliding blocks are arranged on the two sides of the strip-shaped box, first strip-shaped plates are fixed on the two sides of the strip-shaped box, side fixing plates are fixed on the sliding blocks, second strip-shaped plates are fixed on one side of the sliding blocks, a plurality of equidistantly-distributed miniature damping rods are fixed on the first strip-shaped plates, and a plurality of air bags are arranged on the front fixing plate; in the application, the speed of the side fixing plate is consistent with the speed of thoracic retraction, so that stable reduction is achieved, impact fitting between the side fixing plate and the thorax is avoided, beating is formed, the comfort of the patient is improved, the fixing position of the side fixing plate does not need to be frequently adjusted, automatic alarm can be realized when the patient performs large-amplitude action, and the purpose of automatically monitoring the movement amplitude of the patient can be achieved.

This invention discloses a closed drainage device for thoracic surgery with anti-clogging filtration, belonging to the field of biomedical engineering technology. It includes a base, with a protective shell fixed to its upper surface. The protective shell houses a drainage assembly, a water seal assembly, and a negative pressure regulating assembly. An installation box is fixedly connected to the back of the protective shell, and a transmission assembly is located inside the installation box. The drainage assembly includes a drainage bottle. This invention features multiple anti-clogging mechanisms. A rotating shaft drives an L-shaped extension frame and a scraper to rotate, which can scrape away blockages on the surface of the conical mesh cover in real time, preventing clogging of the filtration structure. An anti-clogging insert extends deep into the funnel-shaped drainage shell, preventing fluid accumulation and debris blockage at the drainage shell. Simultaneously, during the rotation of the rotating shaft, the cooperation of a second protrusion with the first protrusion causes a slight swaying of the limiting bottom ring and the anti-clogging insert, further enhancing the anti-clogging effect and ensuring continuous and unobstructed drainage operations in thoracic surgery.