92 results about "Pneumothorax" patented technology

The invention discloses an intelligent medical image diagnosis system and method based on hierarchical cross-modal conversion and dynamic feature tracking. The system adopts three-step cross-modal conversion: a first-layer small model for converting user questions to realize medical ontology matching; the second-layer multi-modal model extracts image features, and outputs text states such as JSON data with focus coordinates, density and other features; and the third-layer large model fuses the medical history and the image features to generate diagnosis suggestions, and credibility verification is carried out. A dynamic focus tracking engine is introduced, a focus evolution rule of multiple scanning is analyzed through a convolutional network, and an optical flow field is adopted to compensate artifacts. The system also integrates a multi-expert voting mechanism to simulate a clinical consultation process, and outputs consensus diagnosis and objection viewpoints. A hierarchical routing algorithm is designed for emergency treatment scenes, so that the recognition response time of emergencies such as pneumothorax is shortened. Further, the system automatically generates a full chain of evidence report that conforms to medical regulations, including a model version, a guide reference, and a data hash value.

The invention belongs to the technical field of medical instruments, and particularly relates to a portable pneumothorax catheterization device compact in structure and efficient in operation. The portable pneumothorax catheterization device comprises a puncture mechanism, an auxiliary fixing assembly and an adjusting assembly are arranged on the puncture mechanism, and a drainage tube is detachably connected into the puncture mechanism; the end, away from the puncture mechanism, of the drainage tube is connected with the collection bottle, a one-way valve is arranged at the end of the drainage tube, a through hole and a flowing groove are formed in the end, away from the one-way valve, of the drainage tube, and a thin tube is arranged in the drainage tube and communicated with the air bag. According to the safe and reliable portable pneumothorax catheterization device, a supporting cylinder, a limiting block and a reset spring of the puncture mechanism are linked, a puncture needle can be driven to stretch out for puncture by rotating the supporting cylinder, catheter propelling is synchronously completed, and traditional tedious steps such as puncture and incision are omitted; auxiliary instruments such as scissors and pliers are not needed, the problem that a traditional process is complex is solved, the method is suitable for emergency scenes such as pre-hospital first aid and field rescue, and time is won for rescue.

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 invention discloses a medical image segmentation method based on a Kolmogorov-Arnold network, and the method comprises the steps: firstly obtaining a medical image, then constructing an IKANet model, and carrying out the segmentation of the medical image after training, testing and verification. Wherein the IKANet model adopts an encoder-decoder structure and integrates three core components, namely a DKC module, a multi-scale attention module and an interpretability analysis module, and the DKC module realizes adaptive nonlinear transformation and feature decoupling through a Kolmogorov-Arnold network; the multi-scale attention module enhances space-channel feature fusion through multi-scale convolution and a channel attention mechanism; and the interpretability analysis module generates a multi-scale class activation mapping thermodynamic diagram and provides visual interpretation. The technical problems that an existing medical image segmentation method is limited in generalization ability and insufficient in interpretability are solved, and the method can be widely applied to data sets of colon polyp, pneumonia, pneumothorax and the like.

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 utility model discloses a pneumothorax first-aid device which comprises a bandage A and a bandage B. The bandage A and the bandage B are connected through a fixing piece, the pneumothorax first-aid device further comprises a supporting belt which is fixedly connected between the bandage A and the bandage B. The axial section of the supporting belt is shaped like a Chinese character'hui '. An elliptical tubular space is defined by the bandage A, the supporting belt and the bandage B; the transverse plate is connected to the supporting belt through a moving part, and an elastic pressing plate is installed on the transverse plate; through the arrangement of the movable plate and the movable groove, the elastic pressing plate can slide on the supporting belt, the pressing position of the elastic pressing plate can be conveniently and rapidly adjusted in the binding process, the whole position does not need to be moved, the elastic pressing plate can be rapidly and accurately pressed on dressing or a cotton cushion at the wound of a patient, and the dressing or the cotton cushion is not prone to being damaged. And the first-aid treatment efficiency is further improved.

The invention relates to a self-adaptive pneumothorax pressure and flow intelligent control monitoring system and method. The system comprises a sensor module, a central processing module and an execution module. The central processing module is in communication connection with the sensor module and the execution module; the sensor module comprises a pressure sensor and a flow sensor, and the pressure sensor is used for monitoring air pressure change in the thoracic cavity in real time; the flow sensor is used for measuring the flow of gas passing through the drainage tube; the execution module is a drainage valve, adjusts the opening degree of the drainage valve according to the control signal of the central processing module, and controls the gas exhaust speed; a fuzzy logic control algorithm and a neural network training model are arranged in the central processing module; the fuzzy logic control algorithm and the neural network training model are combined to carry out data processing analysis and prediction, real-time monitoring is carried out, and the opening degree of the drainage valve is controlled. Compared with the prior art, pressure and flow changes in the thoracic cavity of a patient can be monitored and responded in real time, and accuracy 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 discloses a pneumothorax exhaust device, and belongs to the technical field of pneumothorax exhaust. Comprising a fixing plate, a mounting ring is fixedly connected to the side wall of the fixing plate, an elastic bandage is fixedly connected to the end face, away from the mounting ring, of the fixing plate, and a hook-and-loop fastener is sewn to the front end face of the elastic bandage. After the elastic bandage penetrates through the mounting ring and is tightened, the barb cloth on the hook-and-loop fastener is adhered to the villus cloth, so that the overturning frame and the water-sealed bottle are carried on the body of a patient, the patient can move conveniently, the practicability of the device is improved, and when the patient lies flat, the overturning frame and the water-sealed bottle need to be perpendicular to the patient, the overturning frame is overturned to be perpendicular to the patient, and then the overturning frame is moved. The extending column slides in the sliding groove until the overturning frame makes contact with the fixing plate, the rotating button is screwed down to fix the overturning frame, the overturning frame is overturned according to the posture of a patient, and work of the water sealing bottle is facilitated.

The invention discloses an autologous blood transfusion device which comprises a shell mechanism, an autologous blood return mechanism and a binding mechanism, the shell mechanism serves as an accommodating part for protecting internal core components, blood of the autologous blood return mechanism is transfused back into a patient, the binding mechanism serves as an instrument to be bound to the waist of the patient, and the shell mechanism is composed of a shell, a handle, a supporting bottom plate and a control panel. A carrying handle is installed at the top of the shell, bearing vertical rods are installed on the two sides of the plate face of a supporting bottom plate respectively, the supporting bottom plate is transversely installed in the middle of the bottom end of the shell, and a buffering cushion is installed at the bottom of the supporting bottom plate. The negative pressure relief valve is simple in structure, stable in pressure conversion and capable of avoiding damage caused by excessive blood pressure conveying, pressure protection is adopted, the positive pressure relief valve is automatically opened when H2O is 2cm, pneumothorax risks are prevented, the manual negative pressure relief valve can be manually intervened in emergency situations, and operation flexibility is improved.

The utility model provides a pneumothorax deep vein catheterization drainage device capable of being automatically externally connected with a water-sealed bottle, and relates to the technical field of medical equipment, the pneumothorax deep vein catheterization drainage device comprises a drainage tube main body, two ends of the drainage tube main body are respectively connected with an output tube and an input tube; a storage cover is mounted on the outer side of the output pipe; a collecting piece is installed on the side face of the storage cover. A hole is formed in the side face of the collecting piece, and the hole in the side face of the collecting piece is communicated with the inner side of the storage cover; a fixed cover is mounted on the outer side of the input pipe; a detachable binding belt is installed on the side face of the fixing cover, and a force component plate is installed on the outer side of the fixing cover. The multiple supporting rings are distributed on the outer side of the tubular drainage device, the situation that flow of gas or liquid in the pleural cavity is affected by deformation of the drainage device is reduced, it is guaranteed that the guided-out gas or liquid is discharged in time, and the problems that deformation exists when the drainage device is pressed, and flow-out of the gas or liquid in the pleural cavity is affected are solved.

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 invention discloses a photo-thermal hemostasis puncture control device and method, and relates to the technical field of medical instruments, and the device comprises a hemostasis assembly, a control terminal, a puncture needle, a laser, a mechanical arm and a position acquisition module; acquiring to-be-detected data through a position acquisition module, and transmitting the to-be-detected data to a control terminal; the mechanical arm is controlled to drive the puncture needle and the hemostasis assembly to move in the puncture channel, whether the laser works or not is controlled, and laser generated by the laser is transmitted to the site to be subjected to hemostasis through the hemostasis assembly and the puncture channel. The method comprises the steps that a CT image in the puncture operation process is obtained through the position obtaining module; the hemostasis assembly is fed into the body through the puncture needle; starting a hemostasis assembly, controlling a laser to work, and heating for hemostasis; the mechanical arm drives the hemostasis assembly and the puncture needle to do in-vitro movement in the opposite direction of puncture; and ending the puncture hemostasis process. By adopting the mechanical arm, the working efficiency of photo-thermal hemostasis after the puncture operation and the control precision can be improved, and the risk of complications such as pneumothorax is 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 present invention discloses a multifunctional first aid kit for ship workstations, comprising a bag body, a bag cover and an intermediate layer, wherein the intermediate layer is arranged between the bag body and the bag cover, and one end of the intermediate layer is detachably connected to the connecting end between the bag body and the bag cover; the bag cover is provided with a hemostasis and bandage module and / or an auxiliary tool module; the intermediate layer is provided with a ventilation and pneumothorax instrument module and / or an analgesic and anti-infection instrument module; and the bag body is provided with a fixing module. The first aid kit includes a hemostasis and bandage module, an auxiliary tool module, a ventilation and pneumothorax instrument module, an analgesic and anti-infection instrument module and / or a fixing module. Each module is selected according to first aid needs, and each independent module can be flexibly, quickly and independently installed and placed without interfering with each other. After the first aid kit is unfolded, the modules in the first aid kit and the hemostasis, bandage, auxiliary tools, ventilation and pneumothorax instruments, analgesic and anti-infection instruments and fixing instruments in the modules and their distribution are clearly visible.

The present invention relates to a B-ultrasound image analysis method for pneumothorax diagnosis, comprising the following steps: obtaining an ultrasound examination video of a lung area and preprocessing it; using a one-dimensional block matching algorithm to process the ultrasound examination video to obtain a video feature matrix; inputting the video feature matrix into a trained machine learning model, the output of the machine learning model being a diagnosis result; and outputting the video feature matrix and the diagnosis result. Pneumothorax can be diagnosed based on lung sliding signs in B-ultrasound images, but it takes a certain amount of time for doctors to judge by naked eyes and requires certain skills and experience for doctors. Compared with the prior art, the present invention uses a one-dimensional block matching algorithm to process ultrasound examination videos, and the obtained video feature matrix can intuitively and quantitatively reflect the movement of lung sliding signs in ultrasound videos, thereby improving the efficiency and accuracy of pneumothorax diagnosis through computer technology.

The invention relates to an intelligent thoracocentesis device which comprises a main shell, an electrode plate, a motor, a guide rail, a needle base, a copper electrode, a puncture needle, an indwelling tube, a protective cover and a circuit board. The left side and the right side of the needle seat are slidably mounted on the guide rail, the puncture needle is fixed at the upper end of the needle seat, the indwelling tube is arranged on the puncture needle, and the motor can drive the needle seat to slide back and forth on the guide rail so as to puncture the puncture needle and the indwelling tube into the thoracic cavity of a pneumothorax patient together; a guide structure for guiding the puncture needle to pass through is arranged at the front part of the protective cover; when the intelligent thoracocentesis device is used, the electrode plate and the puncture needle form an electric path through a human body, and the circuit board controls the motor to start and stop by detecting the resistance change of the electric path, so that the needle seat is controlled to move forwards and backwards. When the device is used, puncturing and catheter indwelling work is automatically completed, the secondary catheter indwelling rate is reduced, and therefore the puncturing accuracy of a puncture needle is improved.

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 utility model relates to the technical field of medical instruments, in particular to a balloon type lung positioning needle which comprises an outer needle tube, a needle tip is arranged at one end of the outer needle tube, and an outer needle handle is connected to the other end of the outer needle tube; the end, away from the outer needle tube, of the outer needle handle is connected with a Luer cap. An inner tube is placed in the outer needle tube; one end, close to the needle tip, of the inner tube is provided with a balloon, and the end, close to the Luer cap, of the inner tube is provided with a control valve; the balloon type positioning anchor can be switched between an expansion state and a compression state, can be positioned in the tissue, is also beneficial to recovery, and does not cause secondary damage to the tissue. In addition, through the arrangement of a sealing ring, in the puncture process, the gap between the outer needle tube and the inner tube is relatively sealed, air is prevented from entering lung tissue to form pneumothorax, and use is safer.

The utility model relates to the technical field of pneumothorax puncture, and discloses a button type pneumothorax puncture needle sleeve which comprises a fixing device and a water seal bottle, the fixing device is in a button type, a butterfly-shaped paster is arranged below the fixing device, a puncture hole is formed in the middle of the fixing device, a puncture needle is arranged in the puncture hole in a penetrating mode, and the water seal bottle is connected with the fixing device. The top of the puncture needle is in a bamboo joint shape, the tail of the puncture needle is communicated with the water-sealed bottle through a drainage tube, a bottle plug is arranged on a bottle opening of the water-sealed bottle in a clamped mode, and the end, close to the water-sealed bottle, of the drainage tube penetrates through the bottle plug to be arranged in the water-sealed bottle in a penetrating mode. By means of the butterfly-shaped paste, a punctured wound can be protected in time, tension is generated by tightening the butterfly-shaped paste outwards, the skin is tensioned, and growth of the wound is facilitated; the top of the puncture needle is in a bamboo joint shape, the bamboo joint of the puncture needle can be broken according to the body shape of a patient, and the puncture length of the puncture needle can be adjusted.

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 relates to the technical field of pneumothorax drainage, and discloses a pneumothorax patient postoperative drainage device which comprises a drainage puncture mechanism, a constant-pressure buffer mechanism is arranged on the surface of the drainage puncture mechanism, a hydraulic conversion mechanism is arranged at one end of the constant-pressure buffer mechanism, and a guide supporting mechanism is arranged on the surface of the hydraulic conversion mechanism. The guiding and supporting mechanism is movably installed on the surface of the drainage puncture mechanism, a safety cut-off structure is arranged in the guiding and supporting mechanism, and a gas washing and backflow preventing mechanism is arranged at the drainage output end of the drainage puncture mechanism. According to the postoperative drainage device for the pneumothorax patient, by arranging the drainage puncture mechanism, the constant-pressure buffering mechanism, the hydraulic conversion mechanism, the guide supporting mechanism, the safety cut-off structure and the air washing and backflow preventing mechanism, buffering can be achieved through cooperation of the constant-pressure buffering mechanism and the hydraulic conversion mechanism in the using process, and the situation that drainage is too fast due to too fast suction is avoided; therefore, the situation of arrhythmia caused by longitudinal septum swing is reduced.

A high-efficiency pneumothorax needle comprises a valve tube which is internally provided with a gas guide tube; the guide pipe assembly is fixedly connected with the valve pipe, and a cavity channel located on the same straight line with the air guide pipe is formed in the guide pipe assembly; the one-way valve is connected to the side wall of the valve pipe and communicates with the air guide pipe, and one-way exhaust is achieved; and the puncture needle assembly is movably arranged in the cavity in a penetrating mode, when the puncture needle assembly penetrates through the catheter assembly, the puncture needle assembly is used for puncturing a part to be exhausted, and when the puncture needle assembly is contained in the cavity, the tail end of the air guide pipe can be closed, and only one-way valve exhausting is achieved. The thoracic cavity puncture needle is compact and reasonable in structure and convenient to operate, the puncture needle does not need to be pulled out through ingenious cooperation of the sealing part and the puncture needle assembly, meanwhile, the tail end of the air guide pipe can be automatically sealed when the puncture needle is withdrawn, the external environment is effectively isolated, and cleanliness and safety of the interior of the thoracic cavity are protected.

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 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.

The utility model relates to the technical field of medical equipment, and provides a pneumothorax postoperative negative pressure suction device which comprises a hydrops bottle, a water seal bottle and a pressure regulating bottle. The aspirator connector is connected with an external negative pressure aspiration device, the drainage tube connector is connected with a drainage tube, under the action of the negative pressure aspiration device, gas and liquid in the thoracic cavity enter the hydrops bottle through the drainage tube and the drainage tube connector, and the liquid in the thoracic cavity is accumulated in the hydrops bottle. Gas enters the first water liquid in the water seal bottle through the connecting pipe to generate escaping bubbles, when a patient coughs, under the action of negative pressure suction, water liquid in the second water liquid continuously moves upwards through the pressure adjusting pipe, then the second water liquid falls into the collecting bottle through the bent connecting pipe and the extending pipe, and the gas is discharged out of the collecting bottle. The problems that gas and liquid in the thoracic cavity of a patient are inconvenient to suck and discharge, and water is sprayed out from a water adding hole when the patient coughs when the patient receives negative pressure suction, so that water is on the ground are solved.