25 results about "Pericardial effusion" patented technology

The invention belongs to the technical field of medical puncture equipment, and particularly relates to a cardiology department clinical puncture device which comprises a supporting plate and further comprises an automatic puncture mechanism, a hanging and placing mechanism, a positioning and locking mechanism, a puncture resistance real-time monitoring and feedback mechanism, a hydrops extraction power supply mechanism and a PLC control panel. A stable positioning position can be provided according to the puncture requirement, the smoothness in the puncture process is ensured, the puncture angle can be rapidly adjusted according to the requirement, the puncture speed can be automatically adjusted based on different resistances in the puncture process, the larger the puncture resistance is, the slower the puncture speed is, the effusion extraction efficiency is effectively improved, and the puncture cost is reduced. More medical labor is released, continuous and stable operation of pericardial effusion extraction work is ensured, time for puncture effusion extraction is shortened, and the problem that pain and infection risk of a patient are increased due to overlong-time operation is solved.

The invention discloses an edge-enhanced left atrial appendage medical image segmentation method and system and a storage medium, and the method comprises the steps: constructing a convolutional neural network model of a U-shaped coding structure based on an attention mechanism and a weight loss function, and recording the model as EMCLUNet + +; the medical image segmentation model (EMCLUNet + +) based on edge enhancement adopts an improved UNet + + as a backbone network, and comprises a convolution encoder module, a decoder part, a multi-scale attention module EMSA and an efficient attention mechanism module Clotion. And transmitting a medical image to be segmented into the trained convolutional neural network model to obtain a segmentation result. According to the method, redundant information interference is reduced and the accuracy of boundary information is improved by utilizing a channel and a space attention mechanism. For conditions (such as pericardial effusion or pleural effusion of a patient) with complications, the robustness to complex backgrounds and noise is enhanced by the multi-scale feature fusion and lightweight module, and a high-quality segmentation result is ensured.

This invention discloses a pericardial effusion puncture and drainage device with angle adjustment, including an installation mechanism, a support mechanism in the middle of the installation mechanism, and an isolation mechanism at the top of the installation mechanism. A puncture mechanism is located in the middle of the support mechanism, and clamping assemblies are fixed at both ends on one side of the support mechanism. A tube guide mechanism is located on one side of the puncture mechanism. This invention utilizes the cooperation between the support mechanism and the puncture mechanism on the installation mechanism. A first worm gear in a first adjustment box drives a first worm wheel, and a second worm gear drives a second worm wheel, which in turn drives a large gear via a small gear. During puncture, the doctor can flexibly adjust the puncture position and finely adjust the puncture angle according to the patient's condition, avoiding prolonged holding of the puncture device, freeing the doctor's hands, ensuring a stable puncture process, making the operation more convenient for the doctor, and improving work efficiency.

Cannabidiol, or a pharmaceutically acceptable prodrug, derivative, salt, or solvate thereof, for use in treating or preventing recurrent pericarditis is disclosed. The effectiveness of cannabidiol in attenuating the levels of interleukin-1β (IL-1β) and IL-6, and the transcription of pro-IL-1β and NLRP3 mRNA in in vitro models are disclosed. Also disclosed are experiments showing cannabidiol to be effective in preventing an increase in the pericardial space (which is an indicator of pericardial effusion) and the pericardial thickness in an in vivo mouse model of pericarditis.

The invention belongs to the technical field of drainage devices, and discloses a pericardial effusion drainage device which comprises an extracorporeal membrane lung oxygenation therapeutic apparatus and a fixing device. The extracorporeal membrane lung oxygenation therapeutic apparatus comprises a main control table, an artificial membrane lung, a centrifugal pump and an oxygenator, an inlet and an outlet of the centrifugal pump are connected with a first catheter and a second catheter respectively, the first catheter is connected with veins of a patient, the free end of the second catheter is connected with the artificial membrane lung, the artificial membrane lung is connected with a third catheter, and the third catheter is connected with the oxygenator. The free end of the third catheter is connected with the artery or vein of the patient; a branch tube of the first catheter is connected with a hydrops catheter, the free end of the hydrops catheter is connected with a drainage tube, and the diameter of the hydrops catheter is smaller than that of the drainage tube. The technical problems that according to an existing drainage mode, effusion cannot be continuously drained, the drainage efficiency is low, the postoperative anemia risk can be increased for a patient with blood loss due to an operation, and the recovery cycle of the patient is prolonged are solved.

The present application relates to a kind of visible pericardial effusion puncture device, belong to medical instrument field, the present application is integrated in the inside of puncture needle, it is beneficial to produce smaller wound, it is beneficial to the recovery of patient after operation.Simultaneously, by support piece, endoscope is firmly fixed in the inside of puncture needle, avoid the shaking of endoscope when puncture, influence doctor operation.Using the structure setting of the elasticity of support piece and its left abutment portion includes left arc segment, left horizontal section and left vertical section, right abutment portion includes right arc segment, right horizontal section and right vertical section, it can realize stable position locking, and no longer need as commonly used Y type or T type support structure, to reduce the space occupied by support piece, so as to leave sufficient effusion extraction space at opening, while reducing wound, reduce the possibility of pericardial effusion block.

The application discloses a method and device for judging pericardial effusion by using a heart ultrasound video responsibility frame, and the method comprises the following steps: collecting a heart ultrasound standard section video, unifying a format, and training a static image classification neural network model by using the heart ultrasound standard section video; building a pericardial effusion judgment model based on the static image classification neural network model, inputting a heart ultrasound standard section video to be identified into the pericardial effusion judgment model; the pericardial effusion judgment model outputs a feature matrix of the video, a random forest model is used to calculate the feature matrix of the video to obtain a feature importance matrix of the video, a responsibility frame used for video benign and malignant judgment is selected based on information entropy reduction and the feature importance matrix of the video; and the static image classification neural network model outputs whether the heart ultrasound video has pericardial effusion based on the responsibility frame used for video benign and malignant judgment. The application can realize automatic identification of whether there is pericardial effusion in an ultrasound heartbeat video.

The invention discloses a rapid positioning, puncturing and extracting device for pericardial effusion in the cardiology department, and belongs to the field of medical surgical instruments. The rapid positioning, puncturing and extracting device comprises an operation table, a mechanical arm is fixedly installed on the operation table, an adjusting mechanism is arranged on the mechanical arm, and an electric telescopic rod included in the adjusting mechanism is connected with a puncturing assembly through a connecting assembly; a puncture needle main body included in the puncture assembly is used for puncturing an affected part to extract hydrops; the maintaining assembly is arranged on a clamping head in the puncturing assembly. The position and angle of the electric telescopic rod can be finely adjusted through the adjusting mechanism, so that the electric telescopic rod drives a subsequently connected part to be accurately aligned with a puncture target area, and a foundation is laid for accurate puncture of the puncture needle body; the connecting assembly and the puncture assembly connected with the connecting assembly are pushed to move, so that the puncture needle body can slowly and stably puncture the affected part of pericardial effusion of a patient, and then effusion extraction operation is completed.

The utility model discloses a kind of radiofrequency ablation needle assemblies and ablation systems containing multifunctional divining rod type coaxial sheath, which ablation assembly includes multipurpose double-channel divining rod type insulating coaxial sheath and ablation needle, divining rod type insulating coaxial sheath is detachably connected with handle, and position adjusting member on handle realizes self-adaptive adjustment of ablation needle working end length, divining rod type insulating coaxial sheath synchronously realizes ablation, biopsy, pericardial effusion drainage, cardiac conduction bundle position marking, myocardial drug injection, ICD implantation and cardiac ECG monitoring and other surgical auxiliary diagnosis and treatment, to ensure that integrated intramyocardial intervention diagnosis and treatment are safely and effectively completed, the ablation needle assembly containing multipurpose divining rod type sheath in the utility model breaks through the bottleneck of low efficiency, complicated operation and many complications of existing radiofrequency ablation technology, and provides an innovative solution for comprehensive interventional treatment of heart disease and various tumor diseases.

The invention discloses a radiofrequency ablation needle assembly and ablation system comprising a multifunctional Bu-shaped coaxial sheath, the ablation assembly comprises a multipurpose double-channel Bu-shaped insulating coaxial sheath and an ablation needle, the Bu-shaped insulating coaxial sheath is detachably connected with a handle, and a position adjusting piece on the handle realizes self-adaptive adjustment of the length of the working end of the ablation needle. The B-shaped insulating coaxial sheath synchronously realizes auxiliary surgical diagnosis and treatment such as ablation, biopsy, pericardial effusion drainage, cardiac conduction bundle position marking, myocardial drug injection, ICD implantation and cardiac ECG monitoring, and ensures that integrated myocardial interventional diagnosis and treatment are safely and effectively completed. According to the ablation needle assembly containing the multipurpose B-shaped sheath, the bottleneck that an existing radio frequency ablation technology is low in efficiency, tedious in operation and multiple in complications is broken through, and an innovative solution is provided for comprehensive interventional therapy of heart diseases and various tumor diseases.

The embodiment of the invention relates to the field of image analysis, in particular to an ultrasonic image processing device and method suitable for an ultrasonic guided interventional surgical robot. The ultrasound image processing device comprises: an acquisition module for continuously acquiring cardiac ultrasound images of a patient at a plurality of time points; the preprocessing module is used for segmenting to obtain a cardiac ultrasound image and a segmentation result; the basic feature extraction module is used for extracting static features of a segmentation result; the associated feature extraction module is used for extracting dynamic features of the segmentation result; the feature fusion module is used for combining the static features and the dynamic features and determining the volume change trend of the pericardial effusion; a module is optimized for incorporating lightweight deployment so that it can process ultrasound images in real time. By respectively extracting the static features and the dynamic features of the ultrasonic image, information of two different states is more effectively captured, so that information interference between different modules is avoided, and the pertinence of feature extraction is improved; information of all dimensions is prevented from being processed at the same time, and computing resources are saved.

The invention relates to the technical field of medical instruments, in particular to a left auricle occluder and a left auricle occluder locking and releasing system.The left auricle occluder comprises an occluding component and a fixing component, and the occluding component is of an umbrella-shaped structure formed by spiral elastic wires; the fixing component comprises a near-end seat, a far-end seat, a plurality of elastic supporting parts and an elastic connecting piece; the plurality of elastic supporting parts are connected between the near-end seat and the far-end seat; the near-end seat is arranged close to the plugging component, and a first avoiding through hole is formed in the near-end seat; one end of the elastic connecting piece penetrates through the first receding through hole to be connected with the end, close to the first receding through hole, of the plugging component, and the other end of the elastic connecting piece is connected with the far-end base. According to the left auricle plugging device, a non-anchor-thorn fixing mode is adopted, the diameter of the cage type supporting structure can be adjusted according to the actual situation, the risk of perforation and hydropericardium caused by auricle puncturing is reduced, and the left auricle plugging device can adapt to more left auricle structures of different sizes and structures.

The present invention discloses an externally placed needle fitting type Y-shaped closed puncture device with adjustable flow rate, belonging to the field of medical devices. The device adopts an integrated design of the external needle and the drainage tube, avoiding the complex steps of using a guide wire and a skin dilator in traditional operations, enabling the drainage tube to be placed synchronously during the puncture process, significantly simplifying the operation process and reducing the infection risk. The flow rate adjustment device uses a Robert clip to flexibly control the liquid flow rate, with a simple design and convenient operation, which can effectively reduce the complications caused by too fast flow rate. The Y-shaped drainage tube structure separates the drainage outlet from the liquid medicine injection port, preventing cross-contamination, and improving the safety of patient treatment through reliable tightness and anti-infection ability. The present invention integrates simplified operation, flexible regulation and high efficiency and tightness, is applicable to clinical scenarios such as thoracic cavity, abdominal cavity and pericardial effusion drainage, and has significant innovation and wide clinical application value.

The invention belongs to the technical field of medical instruments, and particularly relates to a cardiology department nursing hydropericardium drainage device which comprises a supporting seat, a containing cavity is formed in the supporting seat, a supporting shaft and a catheter are rotationally arranged in the containing cavity, a liquid guide roller is fixedly connected between the supporting shaft and the catheter, and the liquid guide roller is communicated with the catheter. And a flow guide pipe is fixedly connected to the liquid guide roller in a wound mode and communicates with the liquid guide roller, one end of the flow guide pipe fixedly communicates with a puncture needle, and a storage cylinder matched with the puncture needle is fixedly arranged on one side of the supporting base. By means of the device, effusion can be automatically extracted, the extraction speed is high, the stability and safety of effusion extraction are guaranteed, after effusion treatment is completed, a flow guide tube and a puncture needle can be stored in order, the situation that the flow guide tube and the puncture needle are placed disorderly and occupy space is avoided, and meanwhile the situation that medical workers touch the puncture needle by mistake and are stabbed can be avoided.

A high-simulation full-automatic pericardium puncture surgery skill training and examining device under ultrasonic guidance comprises a high-simulation human body model, a simulation hydropericardium bag, a simulation heart, a microcomputer controller, a high-simulation cardiac pulsation device and an automatic hydropericardium supplementing device. The simulated human body model is characterized in that the simulated skin, the simulated hydropericardium sac and the simulated heart in the precardiac area of the simulated human body model are molded and manufactured by adopting organic material molds which are equal in density and accord with acoustic characteristic impedance in acoustic parameters of a human body, high-simulation heart rhythmic pulsation is automatically generated, hydropericardium is automatically supplemented, and the human body is simulated. When a real diasonograph is used for scanning, rhythmic pulsation of the simulated heart, color Doppler blood flow display and a liquid dark area of hydropericardium can be displayed on a display screen. Pericardial effusion puncture is carried out under ultrasonic guidance, the puncture position and the puncture direction can be accurately determined, the device is used for training and examining pericardial puncture skills under ultrasonic guidance by medical colleges and medical staff, and the training and examining effects of the pericardial puncture skills are remarkably improved.

The invention relates to a visual hydropericardium puncture device, which belongs to the field of medical instruments, and integrates an endoscope in a puncture needle, thereby being beneficial to the generation of a smaller wound and the postoperative recovery of a patient. Meanwhile, the endoscope is firmly fixed in the puncture needle through the supporting piece, and the situation that the operation of a doctor is affected due to the fact that the endoscope shakes during puncture is avoided. By means of the elasticity of the supporting piece and the structural arrangement that the left abutting portion of the supporting piece comprises the left arc section, the left horizontal section and the left vertical section and the right abutting portion of the supporting piece comprises the right arc section, the right horizontal section and the right vertical section, stable position locking can be achieved, a common Y-shaped or T-shaped supporting structure is not needed any more, and therefore the space occupied by the supporting piece is reduced; therefore, a sufficient hydrops extraction space is left at the opening, and the possibility of pericardium hydrops blockage is reduced while the wound is lowered.

The present invention discloses a clinical puncture device for cardiovascular medicine, which relates to the field of medical devices and includes a flexible tube and a puncture needle installed at one end of the flexible tube. It further includes: a cylinder body, inside which a first piston and a second piston are slidably arranged along its axial direction. A first operating rod is installed on the upper surface of the first piston, and the top end of the first operating rod penetrates through the cylinder body and extends to the outside of the cylinder body. A second operating rod is installed on the upper surface of the second piston, and the top end of the second operating rod sequentially penetrates through the first piston and the first operating rod and extends to the outside of the cylinder body. By the synchronous up-and-down movement of the first piston and the second piston relative to the cylinder body, the present invention can efficiently aspirate pericardial effusion. This synchronous movement mode enables the upper cavity and the lower cavity to alternately generate pressure and negative pressure, realizing the rapid aspiration and discharge of pericardial effusion, and is applicable to various situations such as rapid decompression required for acute cardiac tamponade, a large amount of exudative effusion, non-bloody effusion clearance, lavage, and irrigation, greatly improving the aspiration efficiency.

The embodiments of the present application relate to the field of image analysis, and in particular to an ultrasonic image processing device and method suitable for an ultrasound-guided interventional surgical robot. The ultrasonic image processing device includes: an acquisition module for continuously acquiring cardiac ultrasonic images of a patient at multiple time points; a preprocessing module for segmenting the cardiac ultrasonic images and obtaining segmentation results; a basic feature extraction module for extracting static features of the segmentation results; an associated feature extraction module for extracting dynamic features of the segmentation results; a feature fusion module for combining static features with dynamic features to determine the volume change trend of pericardial effusion; and a lightweight deployment optimization module for combining the modules so that the modules can process ultrasonic images in real time. By extracting the static features and dynamic features of the ultrasonic image separately, information of two different states can be captured more effectively, so as to avoid information interference between different modules and improve the pertinence of feature extraction; and avoid processing information of all dimensions at the same time, thus saving computing resources.

The invention discloses a puncture sampler which effectively solves the problems that a pericardial effusion sampling process is tedious, a plurality of medical workers are needed to cooperate with each other, and sampling and subpackaging are inconvenient. Comprising a vertical axial bearing column, a positioning ring is coaxially arranged at the upper end of the bearing column, a liquid taking cylinder is detachably connected to the upper side of the positioning ring, a small negative pressure cavity and a large negative pressure cavity are formed in the upper side and the lower side in the liquid taking cylinder respectively, a small negative pressure plate is arranged at the upper end in the small negative pressure cavity, clamping grooves are formed in the left side and the right side of the small negative pressure plate respectively, and openings of the two clamping grooves are opposite. A large negative pressure plate is arranged on the upper side in the large negative pressure cavity, a groove with an upward opening is formed in the large negative pressure plate in a clamped mode, the small negative pressure plate can be inserted into the groove, clamping blocks capable of sliding oppositely or oppositely are arranged on the left side and the right side of the large negative pressure plate respectively, and the opposite ends of the two clamping blocks can be inserted into the clamping grooves in the corresponding sides of the clamping blocks. Pull ropes are arranged at the upper ends of the turntables; the device is simple in structure, convenient to operate, novel in conception and high in usability.

The embodiment of the specification provides a dynamic cardiac tamponade prediction method, device, medium and program product based on multi-modal continuous monitoring data, and relates to the field of intelligent medical treatment. The method comprises the following steps: receiving pericardial effusion related physiological data including at least ultrasonic parameters, electrocardio parameters, body surface temperature parameters and clinical sign data of a sample; extracting a current effusion volume parameter in real time according to the ultrasonic parameters, and calculating an effusion growth rate per unit time; quantitatively extracting a heart rate value, a percentage of a decrease amplitude of a QRS complex amplitude relative to a baseline and an alternating change type of the QRS complex amplitude according to the electrocardio parameters; analyzing a temperature change trend according to the body surface temperature parameters; inputting the effusion growth rate, the quantitative electrocardio parameters, the temperature change trend and the clinical sign data into a preset multi-modal fusion scoring model to output a real-time comprehensive risk score; and generating a dynamic early warning signal of a corresponding level according to the real-time comprehensive risk score to realize a prior prediction of a risk of cardiac tamponade.

The invention provides a pericardium puncture aspirator for the department of cardiology, and belongs to the technical field of medical instruments. Comprising a chest side plate and an injector, one end of the injector is fixedly connected with a liquid extraction pipe, the end, away from the injector, of the liquid extraction pipe is fixedly connected with a puncture needle, the puncture needle and the liquid extraction pipe are fixed through a connector, and a pipe clamp is installed on the outer wall of the liquid extraction pipe; and the positioning assembly is used for assisting medical staff in puncturing and sucking the pericardial effusion of the patient, and the positioning assembly is connected with the injector and the chest side plate. By arranging the positioning assembly, medical staff do not need to hold the puncture needle with hands, operators do not need to manually control the puncture angle of the puncture needle when a patient is subjected to puncture operation, the puncture needle is accurately inserted into the body of the patient at an angle of 30 degrees by means of an inclined plate, the convenience of an operation is improved, and the operation efficiency is improved. The difficulty of an operation is reduced, and the efficiency and the safety of the operation are improved.

The invention discloses medical ultrasonic long-range monitoring equipment, and belongs to the technical field of medical ultrasound. A medical ultrasonic long-range monitoring device comprises a host and probes, a plurality of female connectors used for being connected with different probes are arranged on the side face of the host, and the probes are connected with son connectors through data lines; by arranging the input and output module, the ultrasonic data processing module, the analysis module, the display module and the recording module, ultrasonic long-range monitoring, real-time automatic data acquisition, automatic data analysis and result judgment are realized; the aims of timely and conveniently judging whether patients suffer from pleural effusion, seroperitoneal effusion, pericardial effusion and the like after trauma, operation and the like and the change of the effusion amount and the like, timely reminding clinicians to guide clinical diagnosis and treatment and simultaneously not depending on 24-hour bedside guarding, judgment and diagnosis of clinicians and ultrasonic doctors are achieved.

The application discloses a kind of based on video area information's echocardiogram pericardial effusion intelligent monitoring method and device, comprising: intercepting standard section arbitrary length echocardiogram video data;With pericardial effusion judgment model, the echocardiogram video data is identified, output whether there is pericardial effusion positive in the echocardiogram video data, and high-dimensional feature map;If there is pericardial effusion positive in the echocardiogram video data, then remove non-pericardial effusion area in echocardiogram video data, and map to high-dimensional feature map;With the activation information of high-dimensional feature map, output the responsibility frame and area of echocardiogram video center pericardial effusion;With the mapping relationship of activation high-dimensional matrix and original image, output the responsibility area heat map in echocardiogram video data original drawing.The application can automatically identify pericardial effusion in echocardiogram, automatically identify and extract responsibility frame on responsibility section, assist doctor to make judgment.

A percutaneous pericardial puncture assembly and system, the percutaneous pericardiopuncture assembly comprises a puncture tube and a puncture piece, the puncture tube comprises a tube body and a puncture section arranged at the distal end of the tube body. A puncture channel, a negative pressure suction channel and an imaging channel are arranged in the tube body, and are communicated with the working port at the distal end of the puncture section. The imaging module is arranged in the imaging channel to realize real-time visualization of the in-vivo puncture operation; the proximal end of the negative pressure suction channel can be connected to a negative pressure suction device to provide negative pressure for the working port and then adsorb the pericardial wall layer; the puncture piece is arranged in the puncture channel and can puncture the adsorbed pericardial wall layer. By arranging the negative pressure suction channel, the pericardial wall layer can be captured before the puncture piece punctures, so that even if only a small amount of pericardial effusion exists between the pericardial wall layer and the pericardial visceral layer, the medical staff can also complete the puncture of the pericardial wall layer without damaging the pericardial visceral layer, the operation is simple, and the safety and success rate of percutaneous pericardial puncture under full indications are greatly improved.

The invention discloses a clinical puncture device for the cardiovascular medicine department, and relates to the field of medical instruments, the clinical puncture device for the cardiovascular medicine department comprises a hose and a puncture needle mounted at one end of the hose, and further comprises a cylinder, a first piston and a second piston are arranged in the cylinder in a sliding mode in the axial direction of the cylinder, and a first operating rod is mounted on the upper surface of the first piston; the top end of the first operating rod penetrates through the cylinder and extends out of the cylinder, a second operating rod is installed on the upper surface of the second piston, and the top end of the second operating rod sequentially penetrates through the first piston and the first operating rod and extends out of the cylinder. The first piston and the second piston synchronously move up and down relative to the cylinder, the pericardial effusion can be efficiently sucked, the upper cavity and the lower cavity alternately generate pressure and negative pressure through the synchronous movement mode, rapid suction and discharge of the pericardial effusion are achieved, and the pericardial effusion suction efficiency is improved. The device is suitable for various conditions such as rapid decompression, removal of a large amount of exudative effusion and non-bloody effusion, lavage and flushing of acute cardiac tamponade, and the suction efficiency is greatly improved.