43 results about "Pneumothorax" patented technology

The utility model discloses a double-lumen bronchial catheter with an inner balloon on the side of an extension branch pipe, which comprises a first air guide pipeline, a second air guide pipeline and the extension branch pipe, and the tail ends of the first air guide pipeline and the second air guide pipeline as well as the middle section and the tail end of the extension branch pipe are fixedly provided with inflation plugging components. The utility model has the beneficial effects that the inflation plugging assembly comprises a first inflation balloon which is fixedly sleeved on the outer walls of the tail ends of the first air guide pipeline and the second air guide pipeline, a second inflation balloon which is fixedly sleeved on the outer wall of the middle section of the extension branch pipeline, and a third inflation balloon which is coaxially and fixedly sleeved on the inner wall of the tail end of the extension branch pipeline; therefore, gaps between the peripheries of the first air guide pipeline and the second air guide pipeline and the trachea wall of a patient can be sealed through the first inflation balloon, meanwhile, double plugging can be conducted on the bleeding side lung or the pneumothorax side lung through the second inflation balloon and the third inflation balloon, and the plugging stability of the bleeding side lung or the pneumothorax side lung is improved.

The application discloses a kind of anti-blocking mechanism for closed thoracic drainage, including water seal bottle, the bottle mouth end of water seal bottle is equipped with cover, the cover is fixedly connected with connector, the connector is fixedly connected with drainage hard pipe and vent pipe, the drainage hard pipe is connected with drainage hose, this anti-blocking mechanism for closed thoracic drainage effectively solves the connection of original drainage hard pipe and drainage hose and the gravity when drainage material passes, and the soft drainage hard pipe of connection is bent, and then drainage tube is blocked, simultaneously, necrotic material precipitation, protein deposition meat-like drainage material in drainage material, after being drained into water seal bottle, the tube opening of drainage hard pipe inserted in liquid is easily blocked by meat-like drainage material, cannot normally drain, and then cause the patient to appear pneumothorax and other disease problems.

An endobronchial valve designed for placement in an airway to modify lung volume to a portion of the lung. The valve comprises a frame with a collapsible and expandable configuration, and a valve member made of a flexible material attached to the frame. The valve member includes a distal valve member with a conical shape and nested within a proximal valve member with a frusto-conical shape. The distal valve member features a cavity communicating with an opening at the base, while the proximal valve member has openings of varying diameters. The base of the distal valve member is positioned through the opening of the proximal valve member, allowing for effective modification of lung volume. The valve systems further include a swellable material for changing a fluid flow rate over time to gradually modify lung volume and mitigate complications such as pneumothorax.

The utility model relates to a pulmonary nodule positioning device with a puncture guide needle, which belongs to the technical field of surgical medical instruments and comprises a puncture guide needle and a positioning needle sleeved inside the puncture guide needle, the puncture guide needle consists of a needle tube, an inner needle, a needle tube seat and an inner needle cap, the positioning needle comprises a needle rod and a handle fixedly connected to the top end of the needle rod, and a sealing structure is arranged between the needle rod and the handle. According to the pulmonary nodule positioning device with the puncture guide needle, by arranging a pushing key and a pushing pipe, a worker can conveniently push the pushing pipe, by arranging a built-in sealing ring, the sealing effect can be achieved between the pushing pipe and the handle, air is prevented from entering the pushing pipe from the top end of the needle rod, and by arranging a sealing plug, the sealing effect is good, and the puncture guide needle is convenient to use. After the needle rod is inserted into the needle tube, the needle tube seat and the handle are in a sealed state, air is prevented from entering from the top of the needle tube seat, and then the pneumothorax risk of a patient can be effectively reduced.

The utility model discloses a pneumothorax first-aid device which comprises a box body with a built-in power supply, a breathing machine arranged in the box body, an oxygen bottle communicated with the breathing machine and a respirator which is communicated with the oxygen bottle and can extend out of the box body. A box cover with the outer side wall being an inclined face is hinged to the position, corresponding to the breathing machine, of the box body, and the non-hinged end of the box cover is detachably connected with the box body. One side of the box body is movably provided with a positioning plate for directional puncture of the gas needle, the other side of the box body is movably provided with a gas guide cylinder, and the gas needle is embedded and fixed on the positioning plate and is communicated with the gas guide cylinder. The box body internally provided with the breathing machine, the oxygen bottle and the respirator is arranged, the box body is connected with the box cover provided with the inclined face, the posture of a patient can be conveniently adjusted in good time, and the positioning plate is movably arranged so that the acupuncture position can be conveniently adjusted, positioned and guided; and the gas guide cylinder movably arranged along with the box body is convenient to carry and is also suitable for being placed during use, the structure is simple and compact, and the use is convenient.

The invention discloses a precise positioning device for pneumothorax minimally invasive closed drainage, and belongs to the technical field of medical instruments. Comprising a drainage bottle, a sealing cover is detachably connected to the upper surface of the drainage bottle, a drainage pipe is arranged above the sealing cover, the bottom end of the drainage pipe extends to the lower portion of the interior of the drainage bottle, and an exhaust pipe is arranged on the portion, located on the right side of the drainage pipe, of the sealing cover. The bottom end of the exhaust pipe extends to the upper portion of the interior of the drainage bottle. Through the exclusive structural design of the puncture device, the core problem that in the prior art, the puncture needle inserting depth cannot be controlled is effectively solved, a doctor can adjust the second rotating circular ring to the corresponding position by means of the second scale marks on the fixed sleeve based on the parameters such as the chest wall thickness measured through CT or chest radiography and the distance between the pneumothorax line and the chest wall, and the puncture needle inserting depth can be controlled. And then the puncture head is driven to move through the first rotating ring, and the puncture depth is precisely limited through the blocking effect of the second rotating ring.

The application discloses a kind of lung edema and pneumothorax identification and quantitative evaluation device based on multi-modal flexible ultrasound, the method is by synchronously obtaining the morphological ultrasound image and the elastic mechanics image of the same anatomical position, B line quantitative index, pleural line sliding index and the average strain value of region of interest are extracted from morphological ultrasound image and elastic mechanics image;B line quantitative index, pleural line sliding index, average strain value are combined into feature vector, feature vector is input into multi-parameter fusion decision model, obtains lung edema index and pneumothorax risk probability;Lung edema index and pneumothorax risk probability are displayed in display terminal, and when lung edema index exceeds preset index threshold or pneumothorax risk probability exceeds preset probability threshold, alarm is triggered;It can reduce the misdiagnosis rate under emergency scene, reduce end-to-end response time, provide objective, real-time, quantifiable decision support for clinician, significantly reduce the risk of missed diagnosis and improve emergency treatment efficiency.

This utility model discloses a voice tremor nursing teaching model in the field of nursing teaching aids. It includes a three-dimensional humanoid model with a left lung model and a right lung model positioned at the chest area. The left lung model is covered with a silicone membrane, forming a pleural cavity model. A catheter is located at the top of the left lung model, with one end extending into the pleural cavity model. Air or liquid is injected into the pleural cavity through the catheter to simulate pneumothorax or pleural effusion. The right lung model includes a detachable and replaceable lung cavity model, lung tumor model, and bronchial obstruction model. A bronchial model is located between the left and right lung models, with a microphone connected to the top of the bronchial model. The two forked ends of the bronchial model at the bottom are connected to the left and right lung models, respectively. This device can replace different models to simulate pathological states, allowing students to intuitively experience the differences in voice tremor under different pathological conditions, improving teaching effectiveness and students' clinical skills training level.

1. Name of the product in this design: Fluid drainage bottle (intensive care unit). 2. Intended use of this design: for pneumothorax, pleural effusion and closed thoracic drainage after surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

A method for use in a lung access procedure to aid in preventing pneumothorax includes providing a cannula having a pair of balloons, the pair of balloons including a first balloon longitudinally spaced from a second balloon along the cannula; inserting the cannula along an access opening and through pleural layers, with the first balloon and the second balloon of the pair of balloons respectively positioned on opposite sides of the pleural layers; inflating the pair of balloons with a first amount of a two-component sealant to compress the pleural layers together; and inflating the pair of balloons with a second amount of the two-component sealant that is sufficient to rupture the pair of balloons so as to comingle a first sealant component and a second sealant component of the two-component sealant at the site of the pleural layers so as to adhere the pleural layers together.

The invention discloses a pneumothorax first-aid device for thoracic surgery nursing. The pneumothorax first-aid device comprises a puncture penetrating connecting piece, a gas exhaust control piece and a built-in water seal pipe fitting. The invention belongs to the field of medical instruments, and particularly relates to a pneumothorax first-aid device for thoracic surgery nursing. Through innovative integration of modular design, an accurate control structure and a safety protection mechanism, the pain points of traditional pneumothorax first-aid equipment in the aspects of operation convenience, exhaust stability, safety protection and the like are solved, the first-aid efficiency is improved, the operation threshold is lowered, the risk of complications is reduced while the safety of a patient is guaranteed, and the safety of the patient is improved. The limitation that traditional pneumothorax first-aid equipment is single in function, complex in operation and insufficient in safety performance is broken through.

Methods and apparatuses for performing automated detection of lung slide using a computing device (e.g., an ultrasound system, etc.) are disclosed. In some embodiments, the techniques determine lung sliding using one or more neural networks. In some embodiments, the neural networks are part of a process that determines probabilities of the lung sliding at one or more M-lines. In some embodiments, the techniques display one or more probabilities of lung sliding in a B-mode ultrasound image.

The utility model relates to a monitoring device for pneumothorax, which comprises a drainage bottle comprising a bottle body and a bottle cap; the catheter penetrates through the bottle cap and extends to the position near the bottom of the bottle body, and the upper end of the catheter is connected to the drainage tube to drain liquid and / or gas in the thoracic cavity of the patient into the bottle body; the camera is arranged on one side of the drainage bottle to obtain an image; the image processing unit is connected with the camera and is used for receiving the image, processing the image to identify the liquid level in the guide pipe and the liquid level in the bottle body and generating a corresponding liquid level height data signal; and the signal processor is connected with the image processing unit and is used for outputting a height difference value between the liquid level in the guide pipe and the liquid level in the bottle body according to the liquid level height data signal in the guide pipe and the liquid level height data signal in the bottle body. The device can be used for pneumothorax treatment and can assist medical staff in monitoring the pressure in the pleural cavity and the treatment effect.

The invention relates to the technical field of medical instruments, in particular to a portable multi-pipeline thoracic closed drainage tube which comprises a shell, a fixing tube is connected to the interior of the shell, a hose is connected to the outer side of the fixing tube, a hydrops assembly is arranged at the bottom of the shell, and an exhaust assembly is arranged at the top of the shell. Through the arrangement of the hydrops assembly, a special one-way airtight structural component can be adopted to prevent gas from flowing back to the thoracic cavity, the negative pressure of the thoracic cavity and the drainage of pneumatosis in the thoracic cavity can still be maintained after a water-sealed bottle is abandoned, the effects of portability and safety are achieved, and a pneumothorax patient can be prevented from being hospitalized and recuperated home after catheterization; the drainage device can be pulled out in an outpatient service after the illness state is improved, the cost of a patient is reduced, a drainage bag or a water-sealed bottle can be externally connected to the connector for the patient with pleural effusion, the connector is of a threaded structure, and meanwhile a conversion connector component of a drainage tube of a traditional water-sealed bottle structure can be provided.

The present application relates to a kind of respiratory simulation training model and its control method, a kind of respiratory simulation training model includes first pleural cavity model, first lung capsule model, pneumothorax simulation structure, pressure display device and control unit.Pneumothorax simulation structure includes first powder box and third air outlet pipeline, pressure display device is used to show the pressure change in the capsule cavity of first lung capsule model;Control unit is electrically connected with first control valve, second control valve, first powder box opening and closing valve.By setting first pleural cavity model, first lung capsule model and pneumothorax simulation structure and pressure display device, the relationship of lung capsule and pleural cavity capsule in human structure is realistically demonstrated, and pleural cavity capsule is in negative pressure state for a long time, more in line with the physiological indication of human body.Control unit controls the opening and closing of corresponding device of respiratory simulation training model in different states, and pressure display device realizes the normal state demonstration of air pressure in lung capsule, improves the model demonstration effect, improves the applicability of model.

The utility model discloses an integrated multi-angle guide puncture needle, which relates to the technical field of medical instruments and comprises a guide part, the guide part is provided with a handheld handle with a hollow structure, a connecting sleeve fixedly connected with one end of the handheld handle and a guide needle sleeve fixedly inserted with the connecting sleeve, and the handheld handle, the connecting sleeve and the guide needle sleeve form a puncture passage; the needle body is inserted into the puncture channel, and a C-shaped buckle is arranged on the outer wall of the angle calibrator and connected with the clamping part in a clamped mode. The angle calibrator is of a spherical hollow transparent structure, the angle calibrator is filled with filling liquid, a calibration plate floats on the liquid level of the filling liquid, and angle scale marks are arranged on the outer wall of the angle calibrator. According to the integrated multi-angle guide puncture needle, the angle calibrator which can be detachably connected with the puncture needle is arranged, so that the needle inserting angle value is displayed in real time when a puncture channel is established by medical staff, the needle inserting direction and angle can be accurately controlled, and the risk of increasing pneumothorax and bleeding complications due to the fact that the needle inserting angle is adjusted for multiple times is avoided.

The invention provides an effusion extraction device and method. The effusion extraction device comprises a supporting assembly, and the supporting assembly comprises a transparent cylinder and two mounting grooves. According to the hydrops extraction device provided by the invention, through mutual cooperation of the supporting assembly, the positioning assembly, the extraction assembly, the mounting assembly, the tension measuring assembly, the moving assembly and other structures, during hydrops extraction operation, a slidable moving part is combined with scale reference on the side face of a transparent cylinder, and the height of a check ring is fixed through an elastic clamping part and a clamping block; the puncture depth of the needle head is limited and does not need to be judged depending on subjective experience of doctors; the moving assembly drives the tension measuring assembly to pull the piston rod at a constant speed, the standardized liquid extraction rate is achieved, a tension sensor monitors liquid extraction tension in real time, manual control over liquid extraction force is not needed, and worry about too deep puncture or rate fluctuation is not needed, so that the risk of complications such as bleeding and pneumothorax is reduced, and the pipeline blockage probability is reduced. Accuracy and safety of effusion extraction are improved, and pain of a patient is relieved.

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 utility model discloses a straight-through type drainage catheter device capable of accurately positioning and avoiding puncture injury, which comprises a drainage catheter, a hollow puncture needle, a hollow tube sleeve and an injector, the drainage catheter comprises a tip, a catheter body and a catheter seat, the hollow puncture needle comprises a needle tip, a needle tube and a needle seat, and the hollow tube sleeve comprises a tube sleeve body and a tube sleeve seat; the hollow puncture needle is embedded in the hollow tube sleeve, the hollow tube sleeve is embedded in the drainage catheter, the needle tip penetrates through the tip end, and the injector is connected with the needle base; according to the utility model, the pipe sleeve seat is provided with the limiting part, after the indwelling catheter enters a human body, the needle seat of the hollow puncture needle is rotated backwards to the limiting part, and the hollow puncture needle retreats into the hollow pipe sleeve, so that when a doctor draws an injector, the injury of the needle point to the human body after the drainage catheter enters the human body can be avoided, and the hollow puncture needle is not completely withdrawn; and a channel is not formed between the chest and the outside to cause pneumothorax.

The application provides a strong wet tissue adhesion hydrogel and a preparation method and application thereof, a long-chain modified silk fibroin with higher purity is prepared by shortening the degumming time of a sodium carbonate solution to raw rubber, prolonging the reaction time with glycidyl methacrylate, and dialysis with a dialysis bag with a molecular weight of not less than 50 kDa; the long-chain modified silk fibroin is compounded with polyphenol materials, especially tannic acid, and the prepared hydrogel has a strong wet tissue adhesion effect, the shear stress reaches 62.5 N, the anti-burst capacity reaches 844 mmHg, the Young's modulus reaches 160 kpa, the degradation speed is slower, the adhesion time is longer, a strong hemostatic effect can be realized on internal organs such as liver and heart, and tissues such as blood vessels, a good plugging effect can be realized on stomach perforation, intestinal perforation, pneumothorax and the like, the hydrogel can also replace sutures to realize the closure of skin wounds, scar formation caused by the increase of local stress of sutures is avoided, and thus the clinical requirements can be better met.

The invention relates to a minimally invasive pneumothorax drainage tube, and belongs to the technical field of medical instruments, the minimally invasive pneumothorax drainage tube comprises a hollow tube body and a puncture guide core arranged in the hollow tube body, the hollow tube body is provided with a top hole and a side drainage hole, the outer side of the tube wall of the hollow tube body is coated with a fixed air bag, the fixed air bag is connected with a capillary tube, and the capillary tube is connected with a drainage tube. A one-way valve connected with the capillary tube is arranged at the end part of the capillary tube; the fixing air bag is movably arranged on the hollow pipe body and moves in the axis direction of the hollow pipe body, and the first fixing piece is used for fixing the fixing air bag to the hollow pipe body after the fixing air bag moves to the needed position; the capillary tube is wound on the hollow tube body in a spiral shape, an unwinding piece is arranged on the hollow tube body, and the unwinding piece is used for unwinding the capillary tube to be matched with the position of the fixed air bag on the hollow tube body. The drainage tube has the effect of improving the adaptation degree of the drainage tube.

This document provides methods that can treat and / or prevent pneumothorax. For example, this document provides methods for delivering an aerosolized agent to reduce air leakage at a site in a respiratory tract of patient.

The present invention relates to systems and methods for monitoring impedance from a sensor in the chest of a subject to determine the status of lung inflation or presence of pneumothorax in the subject, the presence of pulmonary edema, the status of regional lung ventilation, and the status of cardiac contractility.

This application discloses a pneumothorax suction device and its application control method, including an air suction tube, a liquid suction tube, a first negative pressure component, and a second negative pressure component, as well as a sealing component. The air suction tube is slidably connected to the sealing component. The air inlet of the air suction tube has an air inlet and a micro-inflatable bag is fixedly connected thereto. The air outlet of the air suction tube is connected to the first negative pressure component. The liquid inlet of the liquid suction tube has a liquid suction inlet, and the liquid outlet is connected to the second negative pressure component. The liquid suction tube is parallel to the air suction tube and is fitted with a counterweight tube, which is slidably connected to the sealing component. This application can improve the problem of inaccurate drainage in existing single-tube drainage methods.

The invention relates to a method for monitoring operative pulmonary hemorrhage and pneumothorax in real time based on electrical impedance tomography. The method comprises the following steps that 1, monitoring equipment is worn around a lung area; 2, constructing an image of the lung in real time by adopting electrical impedance tomography; 3, comparing the size of the electrical impedance tomography image with the size of the electrical impedance tomography image at the CT imaging time point in real time; when the image constructed by the electrical impedance tomography is close to the electrical impedance tomography image at the CT imaging time point, judging that the state of the lung of the patient at the moment is the same as the state during CT imaging; and 4, puncturing is carried out. According to the invention, the puncture accuracy can be improved.

This invention discloses a puncture positioning device for oncology, relating to the field of medical device technology. It includes a puncture needle assembly, a self-sealing assembly, a drug injection mechanism, and a disposable locator. The puncture needle assembly comprises a puncture needle tube and a puncture needle core. The puncture needle tube has a hollow structure, and the puncture needle core slidably passes through the inner wall of the puncture needle tube. The front end of the puncture needle tube has a puncture tip for easy penetration of human tissue. The self-sealing assembly includes an elastic sealing ring fixedly connected to the surface of the puncture needle tube. This invention, by setting an elastic sealing ring and a sliding sleeve on the surface of the puncture needle tube, allows the sliding sleeve to slide along the axial direction of the puncture needle tube. When the puncture needle penetrates the target tissue, it pushes the sliding sleeve forward, and a movable push rod compresses the elastic sealing ring, causing it to expand radially. This allows the edge of the elastic sealing ring to make close contact with the tissue wall, achieving closure of the needle tract and effectively reducing the risk of pneumothorax and bleeding.

1. Name of the product in this design: Pneumothorax needle casing. 2. Purpose of this design: For use as the outer shell of a pneumothorax needle. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to the field of medical device technology, specifically to an emergency device for pneumothorax in trauma patients in the field. The device includes a puncture head with an exchange channel at its center, connected to a syringe for aspirating gas, and a piston rod slidably fitted inside the syringe. It also includes a suction cup that slidably engages with the puncture head, connected to the exchange channel, and used to adhere to and hold the puncture head on the skin of the chest cavity. The outer wall of the syringe has a storage cavity for storing disinfectant or anesthetic, connected to the exchange channel. The top of the suction cup has a limiting mechanism for fixing the puncture head based on pressure changes when the puncture head punctures the pleural membrane. This invention reduces the risk of infection for patients, ensures stability during puncture, facilitates independent operation by physicians, and alleviates the stress of field medical procedures.

The invention discloses a treatment method for intractable pneumothorax under the guidance of CT (Computed Tomography), which comprises the following steps of: 1, carrying out clinical examination before an operation on an intractable pneumothorax patient needing to be treated through clinical consultation, carrying out consultation judgment according to the clinical examination, and signing an informed consent before the operation; the position and the form of the broncho pleural fistulae are accurately displayed through CT three-dimensional reconstruction, the position of the fistulae is accurately punctured through a PTCB needle under local anesthesia, the purpose of plugging the fistulae is achieved by selecting proper plugging materials such as a medical adhesive / iodized oil mixture, a spring ring and gelatin sponge, and the clinical applicability of the intractable pneumothorax plugging operation under CT guidance is high; required CT and plugging materials are conventionally available in primary hospitals; the device is simple in structure, convenient to operate, accurate in plugging and capable of being carried out only under local anesthesia, most patients can tolerate multiple operations, minimally invasive, safe, efficient and instant in effect, has very important diagnosis and treatment significance on treatment of most refractory pneumothorax, and is worthy of clinical application and popularization.

The invention discloses a thoracic postoperative wound sealing paste, and relates to the technical field of medical instruments, the thoracic postoperative wound sealing paste comprises a transparent adhesive tape, the transparent adhesive tape is used for being attached to a wound, a foam visible ring is arranged at an upper end opening of a visible opening, a transparent sealing piece is arranged on the bottom wall of the inner side of the foam visible ring, and a column is fixed to the center of the bottom wall of the transparent sealing piece; the transparent adhesive tape is attached to the wound to form a local sealing covering surface, the column body can also expand after adsorbing wound seepage, a first expanding part and an expanding ring are formed between the transparent adhesive tape and the wound, the expanding ring is fixedly arranged on the bottom wall of the foam visible ring, the expanding ring is located at an opening in the lower end of the visible opening, and the expanding ring can expand after liquid is injected; and an expanding piece II is formed between the transparent adhesive tape and the wound. Through the design of double expansion pressurization, the influence of chest breathing movement and patient body position changes on the sealing performance of the adhesive tape is effectively overcome, the possibility that air enters the chest to cause pneumothorax is reduced, and more reliable wound protection is provided for the chest postoperative patient.