30 results about "Single lung" patented technology

The invention discloses a method and device for judging lesions of a small airway of a single lung lobe and relates to the field of biomedical engineering. The method comprises the steps of obtaininga first lung lobe segmentation image of a full inspiration phase lung image; obtaining a second lung lobe segmentation image of a full expiration phase lung image; respectively extracting a pluralityof full inspiration phase single lung lobes with CT values in the first lung lobe segmentation image; respectively extracting a plurality of full expiration phase single lung lobes with CT values in the second lung lobe segmentation image; registering the full inspiration phase single lung lobes and the full expiration phase single lung lobes at the corresponding positions to obtain registered full inspiration phase single lung lobes and registered total expiration phase single lung lobes; and respectively comparing the CT values of the registered full inspiration phase single lung lobes and the registered full expiration phase single lung lobes with an inspiration phase set threshold value and an expiration phase set threshold value. The problem that the distribution of the lesions of thesmall airway on specific lung lobes cannot be judged is solved.

The invention discloses a right double-lumen bronchial cannula, which comprises a first branch pipe, a second branch pipe, a first air sac and a second air sac. The right double-lumen bronchial cannula is characterized in that the first branch pipe and the second branch pipe are vertically arranged in a clinging manner; the pipe wall of the first branch pipe is fixedly connected with the pipe wall of the second branch pipe; further, upper-end pipe orifices of the first branch pipe and the second branch pipe are flush with each other; a lower-end pipe orifice of the first branch pipe is an inclined plane, and supports the breath of a left lung; a bent branch pipe is arranged at the lower end of the second branch pipe and is moreover located at the lower-end pipe orifice of the first branch; the central axis of the bent branch pipe and the extension axes of the first branch pipe and the second branch pipe are at an angle; the length of the bent branch pipe is 1.5 to 2 centimeters; a pipe orifice of the bent branch pipe is an inclined plane, and supports the breath of a right lung. The first air sac wraps the outer walls of the first branch pipe and the second branch pipe, and closes a main airway. The second air sac wraps the outer wall of the bent branch pipe at the lower end of the second branch pipe, and is used for closing a right main bronchus. The right double-lumen bronchial cannula has the advantages that the resistance during right single-lung ventilation is relieved; meanwhile, the work load of an anesthesiologist is also reduced.

The invention discloses a pulmonary emphysema disease prediction method, device and equipment, and a storage medium. The method comprises the steps of obtaining a single lung lobe image of a left lungor a right lung; identifying a pulmonary emphysema area and a lesion area of a small airway of the single lung lobe image; determining a pulmonary emphysema grade detected based on the single pulmonary lobe image, and determining a ratio of the pulmonary emphysema area to the lesion area of the small airway; and based on the detected pulmonary emphysema grade and the ratio, determining a predicted development grade of pulmonary emphysema. According to the invention, the prediction development level of emphysema can be determined, and the development direction of emphysema diseases can be predicted.

The invention relates to a ventilation catheter, in particular to a single-cavity single-bag tracheal catheter capable of conveniently implementing single-lung and double-lung ventilation, and belongsto the technical field of tracheal catheters. An air bag vacancy area is arranged on the side face of a catheter sealing bag at the head end of the catheter and communicates with a surgical lung operation tube, when the catheter sealing bag is inflated, the sealing air bag with a side groove can be formed, the head opening of the catheter body is placed into a non-surgical-side lung, the non-surgical-side lung bronchial opening is sealed in cooperation with the catheter sealing bag, and respiratory support can be conducted on the non-surgical-side lung. Meanwhile, the air bag vacancy area isadjusted to correspond to the bronchial opening of the operation-side lung, and the operation side lung can be shrunken and expanded and secreta can be cleaned in combination with a operation-side operation tube, so that the convenient management of single-lung ventilation is effectively realized; and the head opening of the catheter body is placed in the main trachea, the catheter sealing bag isalso located in the main trachea and can be used as a single-cavity tracheal catheter, and full-function double-lung or single-lung ventilation management is achieved.

The invention relates to a single-lung breathing protector, which comprises a positioning protecting tube. A protecting sleeve sac is arranged at one end of the positioning protecting tube, and is communicated with a protecting sleeve sac inflating tube which is used for inflating the protecting sleeve sac, the protecting sleeve sac inflating tube is fixed on the outer wall of the positioning protecting tube, and the other end, which is correspondingly connected with the protecting sleeve sac, of the protecting sleeve sac inflating tube extends out from the outer wall of the positioning protecting tube. As the positioning protecting tube is isolated from the protecting sleeve sac, an isolating effect of a double-cavity bronchial catheter can be improved, single-lung breathing resistance is low while pressure is also low, a good lung protecting effect is realized, the positioning protecting tube can realize shaping and positioning via a shaping tube core, requirements to materials of the positioning protecting tube are reduced, service cost is lowered, the application range of a single-cavity bronchial catheter or the double-cavity bronchial catheter is expanded, and graduations are arranged on the positioning protecting tube, so that insertion positioning precision of the positioning protecting tube is high. The single-lung breathing protector is convenient in use and compact in structure and ensures safety and reliability of single-lung breathing surgery.

The invention relates to cyclosporine formulations for use in the prevention or treatment of pulmonary chronic graft rejection. In particular, the invention provides a cyclosporine liquid formulation for use as an aerosol for inhalation in a method of preventing or treating pulmonarychronic graft rejection in single lung transplanted patients. The formulation is preferably administered once or twice daily. The formulation may be aerosolized with a nebulizer that comprises features for monitoring the time, date and duration of inhalation by the patient, in order to monitor patient adherence. The formulation according to the invention may be combined with standard immunosuppressants and corticosteroids.

The invention discloses a disposable single-cavity bronchial catheter comprising a single-cavity catheter body, a connecting through head and a top end ventilation port are formed in the two ends of the single-cavity catheter body respectively, a main trachea inflation cuff and a main bronchial inflation cuff are arranged on the single-cavity catheter body, a side branch ventilation hole is formedin the single-cavity catheter body, and a switching device for rapidly realizing switching between one-lung ventilation and two-lung ventilation is arranged on the single-cavity catheter body. According to the disposable single-cavity bronchial catheter, by means of the single-cavity catheter body, damage to the airway of a patient can be reduced, the inner diameter of a catheter cavity can be increased, a fiber bronchoscope or an electron microscope can be used for examination and positioning, sputum aspiration is convenient for even a patient with a relatively small airway, the requirementfor switching between one-lung ventilation and two-lung ventilation can be met conveniently and quickly through the switching device, cuffs are not needed for plugging, the requirement for the lengthof an opening of the right main bronchial tube is avoided, and the problem that the plugging cuffs are damaged is solved.

The invention provides an improved single-cavity bronchial catheter. The single-cavity bronchial catheter comprises an endotracheal catheter and a first air bag arranged on the outer wall of the endotracheal catheter; the lower end of the endotracheal catheter is also connected with the bronchial catheter; a second air bag is arranged outside the bronchial catheter; a bronchial vent is also arranged on one side, far away from the bronchial catheter, of the lower end of the endotracheal catheter; the thickness of the catheter wall at the bronchial vent is 1.5-5 times of the thickness of the catheter wall at the upper end of the endotracheal catheter; the bronchial vent is tubular to form a vent pipe; a third air bag is arranged on the upper wall inside the vent pipe; a first wall channel isformed in the left pipe wall of the endotracheal catheter; a fourth air bag is arranged on the inner upper wall of the bronchial catheter; and a second wall channel is arranged in the right pipe wallof the endotracheal catheter. The single-cavity bronchial catheter disclosed by the invention can meet the requirements of operations on free switching of single-lung ventilation and double-lung ventilation, and the diameter of the endotracheal catheter is small, so that the single-cavity bronchial catheter can be suitable for children and other patients with thinner tracheae. Catheterization isnot needed again after operation, so that the single-cavity bronchial catheter is suitable for clinical popularization and use.

The invention discloses a trachea catheter. The trachea catheter comprises a catheter body, a first gasbag and a second gasbag. An encapsulating structure which is used for sealing an opening is arranged at the opening of the front end of the catheter body, the first gasbag is arranged at the outer wall of the catheter body and is communicated with a first inflating pipe, the second gasbag is arranged at the outer wall of the catheter body and is communicated with a second inflating pipe, and the second gasbag is located at the rear side of the first gasbag. The catheter body is provided with a vent hole, and the vent hole is located between the first gasbag and the second gasbag. In the trachea catheter, by arranging the first gasbag and the second gasbag on the catheter body, and forming the vent hole in the catheter body between the first gasbag and the second gasbag, one-lung ventilation and dual-lung ventilation can be conveniently achieved, and the trachea catheter can be switched between the one-lung ventilation and dual-lung ventilation. The trachea catheter is simple in operation, the frequency of inserting and extracting the trachea catheter is reduced, and the harm to patients is reduced as much as possible.

The invention discloses a one-lung ventilation management catheter. The catheter comprises a ventilation main pipe, a plugging auxiliary pipe and a double-pipe connecting mechanism, wherein a rear section of the plugging auxiliary pipe is connected with a rear section of the ventilation main pipe through the double-pipe connecting mechanism, the plugging auxiliary pipe has an outer diameter less than 5 mm and is arranged outside a ventilation cavity of the ventilation main pipe, and the length of the plugging auxiliary pipe is larger than that of the ventilation main pipe; the double-pipe connecting mechanism can temporarily lock positions of the rear section of the ventilation main pipe and the rear section of the plugging auxiliary pipe, so that the plugging auxiliary pipe can rotate around the ventilation main pipe outside the ventilation cavity of the ventilation main pipe along with rotation of the ventilation main pipe; and when the double-pipe connecting mechanism is loosened, atail part of the plugging auxiliary pipe can be operated, so that the plugging auxiliary pipe independently rotates, advances or retreats or is separated from the ventilation main pipe. According tothe one-lung ventilation management catheter, an airway pressure can be reduced to the maximum extent during one-lung ventilation, one-lung ventilation can be implemented in children, tracheal catheter replacement operation can be avoided, and the one-lung ventilation management catheter is simple in structure and wide in applicability.

The invention relates to a double-balloon single-lumen tracheal catheter. The double-balloon single-lumen tracheal catheter comprises a catheter body and a catheter respiration connector; a first catheter balloon and a second catheter balloon are arranged on the head portion of the catheter body, the catheter body is wrapped in both the first catheter balloon and the second catheter balloon, and the first catheter balloon is located between the second catheter balloon and a catheter body end portion hole; the first catheter balloon and the second catheter balloon are connected with a balloon charging and discharging mechanism; and a catheter side hollowed-out area is arranged on the outer side surface of the arc head portion of the catheter body, the catheter side hollowed-out area is located between the first catheter balloon and the second catheter balloon, the catheter side hollowed-out area communicates with a surgery side lung operation pipe, and through the surgery side lung operation pipe and the catheter side hollowed-out area, required operation can be conducted on a surgery side lung. According to the double-balloon single-lumen tracheal catheter, deflation and inflationoperation on the surgery side lung can be effectively achieved, convenience and the controllability of secretion elimination operation in a surgery process are improved, and the stability and reliability of a ventilation state of a single lung or double lungs can be effectively improved.

The invention relates to a single-cavity, single-bag, single-lung and double-lung ventilation catheter. The catheter comprises a catheter body and a catheter breathing connector arranged at the tail end of the catheter body. A catheter side edge ventilation part and a catheter bag body matched with the catheter side edge ventilation part are arranged at the head of the catheter body, the catheterside edge ventilation part is communicated with a cavity in the catheter body, and the catheter side edge ventilation part is located on the inner side of the arc-shaped head end of the catheter body.The catheter bag body is located at the head of the catheter body, and the catheter bag body wraps the corresponding outer wall, except for the catheter side edge ventilation part, of the head of thecatheter body. The length direction of the catheter bag body is consistent with that of the catheter body, the length of the catheter bag body is larger than that of the catheter side edge ventilation part, the catheter side edge ventilation part is located between the two ends of the catheter bag body, and the lower edge of the catheter bag body is located between the catheter side edge ventilation part and an end hole of the catheter body. According to the invention, the stability and reliability of single-lung and double-lung ventilation can be effectively provided, and the use is convenient.

The invention relates to the technical field of medical instruments, in particular to a tube-wall-free right side double-lumen bronchial catheter . The tube-wall-free right side double-lumen bronchial catheter is composed of a tube-wall-free bronchial catheter body and a double-lumen ventilation catheter body. The upper end of the tube-wall-free bronchial catheter body is connected with the inner wall of a bronchial cuff through a plurality of bronchial columns, the lower end is connected with an annular opening, and the bronchial columns are not connected. The tube-wall-free structure of the right side bronchial catheter is designed, the structure is simple, the effect is clear, and the clinical practicability is high; and when right lung single-lung ventilation is conducted, the tube-wall-free type bronchial catheter enters the right main bronchial tube, the direction and the position of the catheter do not need to be adjusted, the tube-wall-free structure of the bronchial catheter can achieve complete opening of the upper lobe of the right lung, and the optimal ventilation effect of right lung single-lung ventilation is ensured. And poor ventilation of the right upper lung caused by tube wall blocking or uneven hole alignment of the side wall is avoided, time consumed for adjusting the catheter is shortened, airway injuries caused by the adjustment are reduced, and related complications caused by insufficient ventilation are reduced.

The invention relates to cyclosporine formulations for use in the prevention or treatment of pulmonary chronic graft rejection. In particular, the invention provides a cyclosporine liquid formulation for use as an aerosol for inhalation in a method of preventing or treating pulmonary chronic graft rejection in single lung transplanted patients. The formulation is preferably administered once or twice daily. The formulation may be aerosolized with a nebulizer that comprises features for monitoring the time, date and duration of inhalation by the patient, in order to monitor patient adherence. The formulation according to the invention may be combined with standard immunosuppressants and corticosteroids.

The application provides a monitoring system for a plugging pipe. The system comprises the plugging pipe, wherein the plugging pipe comprises a pipe body and a camera module, and the camera module is connected with the pipe body; a server, wherein the server is in communication connection with the camera module, the server is used for receiving an original image sent by the camera module and processing the original image to obtain processed information, the processed information comprises either a target image or abnormal prompt information, and the target image comprises the original image and navigation guidance information; and a display screen, wherein the display screen is in communication connection with the server, and the display screen is used for receiving and displaying the processed information sent by the server. According to the plugging pipe with the intelligent visual monitoring system, provided by the application, the problem that in existing thoracoscopic surgery anesthesia, the difficulty of implementation of a single-lung ventilation lung isolation technology is relatively large can be solved.

The invention discloses an external bronchial blanking plug and a tracheal catheter. The external bronchial blanking plug comprises a bronchus blanking plug body and a blocking catheter connecting mechanism. The blocking catheter connecting mechanism can temporarily lock the position of the rear section of the bronchus blanking plug, the blocking catheter connecting mechanism is loosened, the tailof the bronchus blanking plug can be operated, and the bronchus blanking plug can independently advance or retreat or rotate. The blockage catheter connecting mechanism can temporarily lock the correctly assembled tracheal catheter, and can be operated to be separated from the tracheal catheter by loosening the catheter connecting mechanism. According to the external bronchus blanking plug and the tracheal catheter, the space in the trachea of a patient can be fully utilized, the occupation of the bronchus blanking plug on the ventilation cavity of the tracheal catheter is reduced, the airwaypressure of single-lung ventilation is reduced, and single-lung ventilation can be safely implemented in a patient with a small airway; during single-lung ventilation, a video endoscope can be conveniently placed into the ventilation cavity of the tracheal catheter through the tracheal catheter to implement airway observation and diagnosis, a patient with poor lung function pulls out the bronchial plug after an operation, the tracheal catheter is reserved, and mechanical assisted respiration can be continuously implemented.

The invention discloses an external bronchial occluder and a tracheal catheter, comprising a bronchial occluder and a connecting mechanism for the occluded catheter. The blocking catheter connecting mechanism can temporarily lock the position of the rear section of the bronchial occluder, loosen the blocking catheter connecting mechanism, and can manipulate the tail of the bronchial occluding device to make the bronchial occluding device advance, retreat or rotate independently. The blocked catheter attachment mechanism temporarily locks a properly assembled endotracheal tube, releases the blocked catheter attachment mechanism, and maneuvers the blocked catheter attachment mechanism away from said endotracheal tube. The external bronchial occluder and tracheal catheter provided by the present invention can make full use of the space in the patient's trachea, reduce the occupancy of the bronchial occluder on the ventilation cavity of the tracheal catheter, reduce the airway pressure of one-lung ventilation, and can be used in patients with small airways. Safe implementation of one-lung ventilation. During one-lung ventilation, it is convenient to place a video endoscope through the tracheal tube ventilation cavity for airway observation and diagnosis. For patients with poor lung function, the bronchial blocker is removed after the operation, and the tracheal tube is retained, so that mechanical ventilation can continue. Assisted breathing.

The invention discloses a novel trachea cannula. The novel trachea cannula comprises an air tube, wherein a positioning module is arranged at one end of the air tube; and an import module is arrangedon an outer wall of the air tube and connected with the positioning module. According to the novel trachea cannula, the positioning module emits light through the import module, so that on one hand, the insertion depth of the trachea cannula can be intuitively reflected, and the problem that insufficient ventilation in a patient is caused by one-lung ventilation due to the fact that the trachea cannula is inserted too deep and enters unilateral bronchus by mistake or the problem that the trachea cannula is inserted too shallow to escape is avoided; and on the other hand, whether the trachea cannula correctly enters an airway or not can be judged in an auxiliary manner, the accuracy and efficiency of the trachea cannula of a medical worker are improved, the novel trachea cannula is convenient and fast to operate, safe, reliable, relatively low in cost, and high in practicability and generalization performance.

The invention provides an adjustable lung separating ventilation component. The effects that the air flow of an inspiratory phase is adjustable and the air flow of an expiratory phase is not limited are achieved. The component can be connected to the tail end of the affected side of a double-lumen tube; in the inspiratory phase, the ventilation volume of oxygen inlet through an air inlet passage can be controlled through an adjusting knob; in the expiratory phase, the expiratory air flow is not blocked in an air outlet passage, which is beneficial to CO2 exhaust. Therefore, while appropriate ventilation is conducted on the affected side lung, surgical operation is not influenced, and it is avoided that air stays in the affected side lung; by means of the adjustable lung separating ventilation component, the ventilation way is simplified, single lung ventilation is improved, and negative effects brought by high concentration oxygen uptake are avoided.

The invention relates to cyclosporine formulations for use in the prevention or treatment of pulmonary chronic graft rejection. In particular, the invention provides a cyclosporine liquid formulation for use as an aerosol for inhalation in a method of preventing or treating pulmonarychronic graft rejection in single lung transplanted patients. The formulation is preferably administered once or twice daily. The formulation may be aerosolized with a nebulizer that comprises features for monitoring the time, date and duration of inhalation by the patient, in order to monitor patient adherence. The formulation according to the invention may be combined with standard immunosuppressants and corticosteroids.

The invention provides a single-head double-cavity tracheal catheter, and relates to the field of tracheal catheters. A single-head double-cavity tracheal catheter comprises a single-head gas catheter, an airway three-way device and a double-cavity gas catheter which are sequentially connected. The double-cavity gas conduit comprises a left cavity gas pipe and a right cavity gas pipe, a Y-shaped vent groove is formed in the gas channel three-way device, a first opening of the vent groove is opposite to the single-head gas conduit, and a second opening and a third opening of the vent groove are opposite to the left cavity gas pipe and the right cavity gas pipe of the double-cavity gas conduit respectively. By arranging the single-head gas catheter, the airway three-way device and the double-cavity gas catheter which are connected in sequence, the airway three-way device can be adjusted to achieve the ventilation condition of a single lung or double lungs.

The invention relates to the technical field of medical devices, and provides a novel ventilating and sealing multifunctional tube for bronchi. The novel ventilating and sealing multifunctional tube for bronchi includes a multifunctional tube body, wherein the surface of the multifunctional tube body is provided with a main cuff, a high-position cuff and an annular cuff, a first connecting tube isfixedly connected to the surface of the main cuff, and the main cuff is connected to the multifunctional tube body through the first connecting tube; and a second connecting tube is fixedly connectedto the surface of the high-position cuff, the high-position cuff is connected to the multifunctional tube body through the second connecting tube, and a third connecting tube is fixedly connected tothe surface of the annular cuff. Bilateral lung fields of a bronchus on an arbitrary side can be ventilated separately at the same time, and meanwhile a good function of sputum sucking treatment is achieved; the fixing mode is simple and reliable, blockage or ventilation can be achieved for even patients with abnormal anatomy of the opening of the upper right lung, realization possibilities of ventilation of any singular-side lung are increased, the medical efficiency is improved, all groups of people with different anatomical structures are taken into account, and waste of medical materials is reduced.

The invention relates to a single-lung lobe spray device used in combination with a bronchoscope. The device includes a medium loading unit, a communicating tube and a medium spray unit. The medium loading unit is connected with the spray unit through the communicating tube; the medium loading unit automatically or manually pushes and injects a medium for conveying quantitatively through an electronic numerical-control setting program; during use, the bronchoscope is inserted into the trachea under the observation of a bronchoscope lens, and a spray end of the single-lung lobe spray device isinserted from an inlet of a bronchoscope embedding passage and extends out of the bronchoscope to be inserted into the front end of the tube. After the device reaches a designated position in one lunglobe, the loading unit is started, and the medium is pushed to the spray unit and partially atomized through micropores. The device can achieve insertion into small bronchi and one lung lobe and partially atomize the medium, the operation technique of the bronchi and partial lung lobes is expanded, and the application of the bronchoscope to the lung lobes of animals and infants is also expanded.

The invention relates to the technical field of tip-enhanced Raman scattering (TERS), in particular to a tip-enhanced Raman device which sequentially comprises a metal substrate and a metal probe from bottom to top, wherein the top end of the tip of the metal probe is only provided with a single metal atom. According to the tip-enhanced Raman device, a metal substrate is added, incident laser is incident, and a surface plasmon field which oscillates periodically is generated on the metal surface, so that a Raman detection signal is enhanced; by adopting the tip enhanced Raman technology of the metal probe, due to the addition of the tip, a highly local surface plasmon field is formed on the metal surface, and the single-molecule-level spatial resolution is further achieved; and the tip-enhanced Raman device can improve spatial resolution, when a single lung cancer cell is detected, the spatial range of the single cancer cell is 0.1-10 microns, the device can reach the sub-nanometer level, and the aggregation condition of the single lung cancer cell can be completely and accurately detected.

The invention discloses a pulmonary embolism detection model training method and device, equipment and a storage medium. The pulmonary embolism detection model is trained by the weak supervision training method based on multi-example learning, the pulmonary embolism detection model is trained only by adopting an inspection-level annotation sample and an image-level annotation sample, and a focus-level annotation sample is not needed, so that the annotation cost is reduced. Besides, based on the characteristic that a doctor writes an image report, an examination-level label of whole lung examination (lung CT image sequence samples) and an image-level label of a single lung CT image sample are utilized at the same time, and the pulmonary embolism detection model is trained by adopting multi-level labels, so that the detection precision of the pulmonary embolism detection model can be improved.

The invention relates to a single-lung breathing protector, which comprises a positioning protecting tube. A protecting sleeve sac is arranged at one end of the positioning protecting tube, and is communicated with a protecting sleeve sac inflating tube which is used for inflating the protecting sleeve sac, the protecting sleeve sac inflating tube is fixed on the outer wall of the positioning protecting tube, and the other end, which is correspondingly connected with the protecting sleeve sac, of the protecting sleeve sac inflating tube extends out from the outer wall of the positioning protecting tube. As the positioning protecting tube is isolated from the protecting sleeve sac, an isolating effect of a double-cavity bronchial catheter can be improved, single-lung breathing resistance is low while pressure is also low, a good lung protecting effect is realized, the positioning protecting tube can realize shaping and positioning via a shaping tube core, requirements to materials of the positioning protecting tube are reduced, service cost is lowered, the application range of a single-cavity bronchial catheter or the double-cavity bronchial catheter is expanded, and graduations are arranged on the positioning protecting tube, so that insertion positioning precision of the positioning protecting tube is high. The single-lung breathing protector is convenient in use and compact in structure and ensures safety and reliability of single-lung breathing surgery.

The invention provides a double-lumen endobronchial tube capable of realizing rapid collapse of a lung of an operation side, and belongs to the technical field of medical equipment. The double-lumen endobronchial tube comprises a double-lumen connecting pipe, a double-lumen ventilation switching pipe and a double-lumen ventilation pipe, one end of the double-lumen ventilation switching pipe is detachably connected to the double-lumen connecting pipe, the other end of the double-lumen ventilation switching pipe is detachably connected to the double-lumen ventilation pipe, a first exhaust guidepipe and a second exhaust guide pipe are installed on one ventilation pipe of the double-lumen ventilation switching pipe, and lumens of the first exhaust guide pipe and the second exhaust guide pipeare communicated to lumens of the ventilation pipe connected to the first exhaust guide pipe and the second exhaust guide pipe, respectively. According to the invention, the rapid and good collapse ofthe lung of the operation side can be realized, so that a good operative field of vision and operation space are provided for thoracic surgery, especially for thoracoscopic surgery, and meanwhile, single-lung ventilation or double-lung ventilation can be conveniently switched in the operation process by the double-lumen endobronchial tube cooperated with operation.

The present application provides a monitoring system for a blocked tube, including: a blocked tube, the blocked tube includes a tube body and a camera module, the camera module is connected to the tube body; a server, the server is connected to the tube body The camera module is connected in communication, and the server is used to receive the original image sent by the camera module, and to process the original image to obtain processing information, and the processing information includes the target image and the abnormal prompt information At least one of, the target image includes the original image and navigation guidance information; a display screen, the display screen is connected to the server in communication, and the display screen is used to receive and display the processing information. The present application provides a occlusion tube equipped with an intelligent visual monitoring system, which can solve the problem that the existing one-lung ventilation lung isolation technology is difficult in the anesthesia of thoracoscopic surgery.

The invention discloses a double-cannula bronchial intubation. The double-cannula bronchial intubation comprises an outer intubation and an inner intubation glidingly sleeving the inside of the outerintubation, wherein a first inflation airbag is arranged outside the front end of the outer intubation and is connected with a first inflation assembly, and a second inflation airbag is arranged outside the front end of the inner intubation and is connected with a second inflation assembly. The inner intubation of the double-cannula bronchial intubation can stretch to bronchi and can be nasally inserted into a bronchus on any side, so that a long-term one-lung ventilation purpose is achieved. Besides, if one-lung ventilation is not required, an inner cannula can be retracted back to main airway, and the inflation does not need to be replaced. Besides, the double-cannula bronchial intubation can stretch to the bronchi and can be advantageously used by a patient requiring long-term one-lungventilation. Furthermore, a detachable segment can be separated from the inner intubation, can be remained to be used as a stent in the airway, is placed at an exact position and can be advantageouslytaken out, thereby achieving treatment on bronchopleural fistula and airway softening and stenosis.

The invention discloses an external video cable and ventilation catheter (bronchial catheter or tracheal catheter), which includes a video cable and a video catheter connection mechanism. The video conduit connection mechanism is provided with a video connection mechanism that can temporarily lock the position of the video conduit connection mechanism and the rear section of the video cable, loosen the video conduit connection mechanism, and can manipulate the tail of the video cable to make the video Cables move forward, backward or turn independently. The video catheter connection mechanism is also provided with a catheter connection mechanism for flexible connection with the ventilation catheter, which can temporarily lock the position of the properly assembled ventilation catheter, loosen the catheter connection mechanism, and can manipulate the video catheter connection mechanism and the ventilation catheter. Ventilation tube detached. The external video cable and ventilation catheter provided by the present invention can make full use of the space in the patient's trachea, reduce the occupation of the ventilation cavity by the video cable, reduce the airway pressure of the ventilation catheter for one-lung ventilation, and can adjust the inspection and positioning of the airway by the video cable , simple structure and wide applicability.