15 results about "Pericardial edema" 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.

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 relates to the technical field of medical models, and discloses a qi deficiency and blood stasis syndrome zebrafish model, a preparation method and application thereof, raw materials of the model comprise an animal model and a modeling agent, the animal model is zebrafish, the animal model is treated by the modeling agent, and the modeling agent comprises verapamil and isoprenaline hydrochloride; the model can be used for evaluating and verifying clinical manifestations of venous sinus extravasated blood and pericardial edema in qi deficiency and blood stasis syndromes, has the advantages of rapidness, high efficiency and economy of in-vitro experiments, and also has the advantages of high predictability, high comparability and the like of in-vivo animal experiments.

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 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.

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 provides application of vitamin C in preparation of a medicine for treating 1-naphthol poisoning, and belongs to the technical field of biological medicine. Research finds that vitamin C can effectively relieve animal development retardation caused by 1-naphthol and can also effectively treat animal pericardial edema caused by 1-naphthol, so that vitamin C has the effect of treating 1-naphthol poisoning.

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 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.

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 an external needle fitting type flow-speed-adjustable Y-shaped closed puncture device, and belongs to the field of medical instruments, the device adopts an integrated design of an external needle and a drainage tube, the complex steps of using a guide wire and a skin expander in the traditional operation are avoided, the drainage tube is synchronously placed in the puncture process, and the puncture efficiency is improved. The operation process is obviously simplified; and the infection risk is reduced. The flow speed adjusting device flexibly controls the flow speed of liquid through a Robert clamp, is simple in design and convenient to operate, and can effectively reduce complications caused by too high flow speed. The Y-shaped drainage tube structure achieves separation of the drainage outlet and the liquid medicine injection opening, cross contamination is prevented, and the treatment safety of a patient is improved through reliable leakproofness and anti-infection capacity. The device integrates operation simplification, flexible regulation and control and efficient sealing, is suitable for clinical scenes such as drainage of pleural cavity, abdominal cavity and pericardial effusion, and has remarkable innovativeness and wide clinical application value.