13 results about "Pericardial effusion" patented technology

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 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 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.

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 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.