42 results about "Heart procedures" patented technology

The invention discloses a thoracoscope minimally invasive cardiac surgery navigation system based on multi-modal image fusion, and the system comprises the steps: constructing a 5D heart digital twin containing an anatomical structure, a soft tissue boundary, metabolic activity and electrophysiological information through fusing preoperative CT, MRI, PET and intraoperative ultrasonic images; real-time dynamic registration is realized by using an electrocardio gating driven biomechanical model; superposing the multi-color coding navigation information to the visual field of the thoracoscope through a wavelength selection type spectroscope; a dynamic risk scoring model is constructed based on the distance, the speed and the tissue vulnerability, and three-level grading intervention is triggered; a miniature force feedback actuator is integrated to realize closed-loop control; and pre-operation virtual drilling and post-operation federal learning optimization are supported. The system remarkably improves the surgical precision and safety, and is suitable for high-difficulty heart minimally invasive surgeries such as mitral valve repair and atrial fibrillation ablation.

The invention discloses a postoperative sub-delirium syndrome risk prediction system for a cardiac surgery patient, and relates to the technical field of medical treatment, and the system comprises a clinical data collection module which is used for collecting multi-dimensional clinical data of the cardiac surgery patient in a perioperative period under extracorporeal circulation, the data comprises patient baseline information, preoperative neurocognitive function evaluation indexes, intraoperative physiological parameters and postoperative early-stage vital signs; and the risk identification module is used for utilizing a single-factor statistical analysis mechanism. According to the postoperative sub-delirium syndrome risk prediction system for the cardiac surgery patient, accurate prediction of the sub-delirium syndrome risk is achieved by collecting multi-dimensional clinical data of the patient in the perioperative period, such as baseline information, preoperative neurocognitive function, intraoperative physiological parameters and postoperative early-stage vital signs; the independent risk factors are scientifically screened and quantified by using single factor analysis and a multivariate Logistic regression model, and the problem of incomplete data dimensions in traditional evaluation is effectively solved.

There is provided a cardiotomy system comprising: a blood reservoir arrangement configured and arranged to be located in use within a sterile field of a patient undergoing cardiac surgery, wherein the reservoir arrangement comprises: a first reservoir having: at least one first inlet configured to be connectable to a cardiotomy sucker; and at least one first outlet; a second reservoir having: at least one second inlet configured to be connectable to a cardiotomy sucker; and at least one second outlet; wherein the first and second outlets are in fluid communication with at least one third outlet configured to be connected to a negative pressure source.

Provided herein are methods of generating optimized models of vascular grafts for subjects in certain embodiments. Methods of treating subjects in need of vascular grafts are also provided. Related systems and computer program products are additionally provided.

The invention discloses a functional magnetic stimulation therapeutic apparatus, and particularly relates to the technical field of medical equipment, the functional magnetic stimulation therapeutic apparatus comprises a device body, the device body is internally provided with a cavity, the cavity is internally provided with a safety disc, a catheter is a novel optical fiber catheter and can be used for measuring the pressure of the tail end of an IAB catheter, and the safety disc is arranged in the cavity. The optical fiber catheter transmits optical signals and is almost free of electromagnetic interference, the catheter is directly connected to the device connector, a pressure electric connector is not needed, connecting parts are reduced, the potential risk of infection is reduced, and the catheter can be used for heart failure or cardiac surgery patients with severe illness states and possibly low immunity. Complication caused by catheter related infection can be effectively reduced, the helium bottle extends into the clamping opening, an opening of the helium bottle is communicated with the connecting opening, then the cylindrical fixing block can be pressed to extrude the clamping block on the clamping piece, then the cylindrical fixing block can be fixed by rotating the threaded fixing block, and therefore the helium bottle can be rapidly fixed.

A medical device assembly includes a hinge rod having a first portion and a second portion, and a pedestal is coupled to the second portion of the hinge rod, the pedestal having a top surface, and portions of the pedestal cooperate to define a trough that is configured to hold a first portion of a vessel on the top surface of the pedestal. A retainer is movably coupled to the pedestal, and the retainer has a planar member having a lower surface configured to oppose the top surface of the pedestal. A joint member is coupled to the hinge rod, and a clamp assembly is releasably coupled to the joint member such that when the clamp assembly is in a locked configuration, the hinge rod is not repositionable, and when the clamp assembly is in an unlocked configuration, the hinge rod is repositionable.

1. Name of the designed product: medical supply cart for operating room (cardiac surgery). 2. Use of the designed product: used as a medical supply cart for cardiac surgery. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The invention provides a simulated heart valve, a preparation method and a cardiac surgery simulation device.The preparation method of the simulated heart valve comprises the steps that chopped fibers are modified, and modified fibers with active groups on the surfaces are obtained; mixing a nano reinforcing agent with the polyvinyl alcohol matrix precursor solution to obtain a composite solution; dispersing the modified fibers in the composite solution to obtain mixed slurry; the mixed slurry is subjected to pouring and freezing cross-linking treatment, and the simulated heart valve is obtained. According to the preparation method of the simulated heart valve, the elastic modulus, the tearing strength and the fracture toughness of the simulated heart valve can be effectively improved by constructing a ternary composite system of the modified fiber, the nano reinforcing agent and the PVA matrix, so that the simulated heart valve is highly matched with a real valve in mechanical property, and the integrity and the durability of the valve are remarkably enhanced.

The application relates to a lung tissue isolator, belonging to the technical field of medical devices, which comprises a first chest wall outer ring body, a first chest wall inner ring body and a mediastinal ring body, a first isolation film is arranged between the first chest wall outer ring body and the first chest wall inner ring body, the first isolation film is surrounded to form a first isolation cavity, a second isolation film is arranged between the first chest wall inner ring body and the mediastinal ring body, the second isolation film is surrounded to form a second isolation cavity, a support is arranged in the second isolation film, the support is used for supporting the second isolation film, and the first isolation cavity and the second isolation cavity are communicated to form a viewing channel. The second isolation film is used together with the support to isolate lung tissue, prevent lung tissue from expanding over the isolator into an upper cardiac surgery area along with respiration, and provide a good surgery view for thoracoscopy or chest wall lateral intercostal incision cardiac surgery while maintaining double lung ventilation.

A guidewire is disclosed comprising a distal tip, a distal shaft, and a proximal shaft, and a distal sensor configured to measure a distal pressure and transmit a distal sensor signal through a distal fiber; and a proximal sensor housing connected distally to the distal shaft on one end and connected to the proximal shaft on another end, the proximal sensor housing partially enclosing a portion of the distal fiber, a tip of a proximal fiber, and a proximal sensor connected to the proximal fiber and configured to measure a proximal pressure. A guidewire connector and a guidewire coupler, as well as methods of manufacturing thereof are also provided.

A computer-implemented method includes obtaining data related to a heart medical procedure for a patient, the data including patient-specific data including 3D computational analysis generated from pre-procedural medical imaging, device data related to at least one device to be deployed in the heart medical procedure, and interactive input from medical personnel. The method includes generating, based on the data, options of modification strategies including device modifications to the at least one device and anatomical modifications to the patient's anatomy. The method includes simulating the heart medical procedure and generating a simulation outcome for each option of the modification strategies, selecting a modification strategy that corresponds to the simulation outcome having a desired heart medical procedure result, and generating procedural recommendations including device deployment instructions and modification parameters to guide the heart medical procedure in real life.

The utility model discloses a minimally invasive tool packing box for cardiac surgery, which comprises a box body, a box cover and a fixed inner frame, the top of the box body is provided with the box cover which is rotatably connected, one side of the box cover is fixedly connected with a hinge, the other side of the box cover is provided with a buckle which is buckled and connected with the box body, the box body is internally provided with embedded grooves which are uniformly distributed, and the embedded grooves are connected with the fixed inner frame. The fixing inner frame is longitudinally connected with the embedding groove in an inserted mode, a fixing groove is formed in the center of the fixing inner frame, a supporting bracket is arranged on the edge of the fixing groove, the surface of the fixing inner frame is further covered with a coating film, and a handle groove is formed in the top of the fixing inner frame. The packaging box is composed of the box body, the box cover and the inner fixing frame, minimally invasive tools for cardiac surgery can be conveniently packaged, stability and safety of fixation of the minimally invasive tools are improved, the inner fixing frame is longitudinally inserted into the box body and matched with the fixing groove and the coating film on the surface of the inner fixing frame, and therefore the minimally invasive tools can be conveniently packaged. The precise minimally invasive tool can be effectively prevented from being damaged by collision in the carrying and transporting process.

The application provides a heart valve balloon dilatation catheter applied to the technical field of medical devices, which comprises a balloon, a protection net, a support net, an inner tube, an outer tube, a connecting structure and a head end structure; the protection net is wrapped on the outer surface of the balloon, the protection net is provided with a supporting leg, the support net is fixedly surrounded on the outer surface of the protection net through the supporting leg, and a target interval is formed between the support net and the protection net; the first end of the balloon is fixedly connected with the head end structure, the second end of the balloon is fixedly connected with the first end of the outer tube, the second end of the outer tube is fixedly connected with the connecting structure, the inner tube extends through the inside of the balloon, the first end of the inner tube is connected with the head end structure, the second end of the inner tube is fixedly connected with the connecting structure, and the outer tube is wrapped on the outer surface of the inner tube.In the heart valve balloon dilatation catheter, the target interval can provide a blood flow space, so that the blood can flow smoothly, the risk of ventricular fibrillation and cardiac arrest is reduced, and therefore the safety of heart surgery can be improved.

A system for guiding prosthetic heart valve procedures is provided that includes a console having a display and a processor and a tubular body supporting pressure sensor. The tubular body is configured to be inserted into a blood vessel (e.g., an artery) and advanced into a heart chamber (e.g., a ventricle). The processor is configured to: (a) receive fluoroscopic image data of a cardiovascular region that includes vascular segment adjacent to the heart (e.g., an aortic root) of a patient; (b) receive pressure signal data from the pressure sensor positioned in the cardiovascular region; (c) determine a marker indicating a location of a device positioning feature based at least in part on at least one of pressure signal data from the pressure sensor and analysis of the fluoroscopic image data; and (d) cause presentation of a user interface on the display that includes the fluoroscopic image and the marker.

Systems, methods, and devices for performing heart procedures include a multi-functional catheter with a multi-lumen arrangement. The multi-lumen arrangement includes a central lumen formed by an inner tube with multiple pressure channels embedded in the wall of the catheter. The central lumen has a first end hole terminating at a distal end of the multi-functional catheter. The outer lumen has one or more second side holes. Moreover, a welded tip can maintain a consistent diameter for the distal end. Multiple radiopaque markers can identify various portions of multi-functional catheter to aid in positioning the lumens at different placements in the heart and / or crossing the aortic valve. Accordingly, multiple diagnostic procedures can be performed with the multi-functional catheter, such as a coronary angiogram and a trans-valvular pressure gradient measurement, while omitting reliance on additional catheters or a digital console system.

The invention provides a cardiac postoperative infection risk prediction method and system, and the method comprises the following steps: S1, data collection: collecting clinical data and image data of a patient, the image data comprising spleen artery hemodynamic parameters obtained through stomach and abdomen ultrasound; s2, feature preliminary screening: performing Logistic single-factor regression analysis on the clinical data and the image data, and screening out candidate features according to statistical significance; and S3, analysis and calculation: carrying out Lasso regression analysis on the candidate features, determining key features and weight coefficients thereof, and calculating to obtain an infection risk probability value after the cardiac surgery. The infection risk prediction method and prediction system provided by the invention can specifically predict and identify infected high-risk patients so as to guide clinical intervention measures to be taken as soon as possible.

A system for a transcatheter mitral valve replacement procedure, including a catheter, a computing device including a processor and a memory, the memory storing an application including instructions that when executed by the processor cause the processor to receive pre-procedure images of a heart, display the pre-procedure images, display a user interface, display an indication of a location of a fossa ovalis on the user interface, display an indication of a location for deployment of a mitral valve replacement prosthetic on the user interface, determine one or more waypoints for advancement or articulation of the catheter, and display on the user interface a pathway for advancement or articulation of the catheter to traverse the fossa ovalis and arrive at the location for deployment of the mitral valve replacement prosthetic.

The heart valve assessment systems described herein advantageously provide indicators of a heart valve condition, such as a pressure gradient or a valve regurgitation index. The heart valve assessment systems can provide indicators of a heart valve condition during a heart procedure. A pressure gradient indicates a severity or measurement of the narrowing (or stenosis) of a valve by the increase in pressure behind it. A valve regurgitation index indicates a leakiness measurement of a valve.

The application discloses a special retractor for thoracoscope heart surgery without punching, and belongs to the technical field of medical operation retractors. In view of the problem that the traditional retractor is difficult to accurately operate and pull the tissue in the narrow space in the thoracoscope heart surgery, the retractor body, the expansion mechanism and the elastic protection mechanism are arranged, the air inlet channel is arranged in the retractor body, the proximal end of the air inlet channel is connected with the inflation equipment, the expansion mechanism is connected with the distal end of the retractor body and communicates with the air inlet channel, the expansion mechanism is used for supporting and exposing the operation area, the elastic protection mechanism is circumferentially arranged outside the expansion mechanism, and is used for preventing the expansion mechanism from damaging the tissue in the operation area when the expansion mechanism is expanded. The external inflation equipment is used for inflating the pulling support rod, the cooperation of the magnetic block and the movable cylinder and the cooperation of the X-shaped movable rod and the straight rod are used for controlling the movement of the pulling support rod and the following support rod, so that the supporting state of the expansion mechanism is adjusted, the operation area incision can be effectively supported and opened, and the operation can be smoothly performed.

The utility model relates to the technical field of cardiac surgery pulling hooks, and discloses a cardiac surgery pulling hook with an LED cold light source and a camera, which comprises a handle, a display screen is mounted on the surface of the handle, a connecting rod is mounted at the left end of the handle, and a mounting block is mounted on the surface of the connecting rod; the LED cold light lamp tubes are arranged on the upper portion and the lower portion of the surface of the installation block, and cameras are installed on the two sides of the surface of the installation block; the interior of the heart can be irradiated through the LED cold light lamp tube, a shadow part in the anatomy of a patient is prevented, an image in the anatomy can be amplified through the camera, and the sight line of a doctor and the accuracy of cardiac surgery hooking cannot be affected; the adjusting rod can be driven to rotate by rotating the adjusting block, then the pulling and hooking piece can be driven to move, the position of the pulling and hooking piece can be adjusted more carefully, and therefore operation pulling and hooking can be conducted on the heart carefully.

The invention relates to a magnetic resonance imaging method based on pseudo-continuous arterial spin labeling, a medium and equipment. According to the magnetic resonance imaging method, on the basis of pseudo-continuous artery spin labeling, PCASL sequence parameters are optimized, then a multi-modal structure image is combined with a PCASL image, a heart artery blood perfusion weighted image is generated, and more accurate parameter estimation is obtained. Furthermore, a proper range is selected to optimize the acquisition sequence through parameter fitting, and the processing process of combining the acquired image and the PCASL image is optimized, so that motion artifacts and physiological noise can be effectively inhibited, the signal-to-noise ratio is improved, and accurate parameters can be acquired more quickly and efficiently. The cardiac artery blood perfusion weighted image generated by the method has various clinical applications such as coronary heart disease diagnosis, myocardial infarction evaluation, cardiac surgery evaluation, cardiac rehabilitation evaluation and the like.

The invention relates to a method for estimating a health risk condition that may occur in a patient after cardiac surgery. Accordingly, its novelty lies in comprising the steps of: receiving at least one patient information of a patient via a user interface (100) provided to allow data entry by at least one person, applying the received patient information from the user interface (100) as input to a first artificial intelligence model that has been trained with multiple patient data and the health risk condition corresponding to the patient data, and obtaining a first health risk condition related to the patient information as output, communicating the first health risk condition to the user interface (100) via a communication unit (200).

The utility model relates to heart stabilizer technical field discloses a kind of heart surgery stabilizers, each suction cup is communicated to suction tube, heart surgery stabilizer further includes negative pressure regulating assembly, and negative pressure regulating assembly includes regulating valve and controller, controller is electrically connected to regulating valve, and controller is used to control the air pressure of regulating valve, wherein, each suction tube is provided with regulating valve, and the pressure of each suction cup can be adjusted. Multiple suction tubes are parallel as hose. Each suction cup is connected with negative pressure regulating assembly by independent suction tube, so that the adsorption force of each suction cup can be individually adjusted, to ensure that it can be flexibly adjusted as required during operation. Regulating valve is used to adjust the air pressure in suction tube, and controller is electrically connected to control the opening and closing of regulating valve, so as to realize the accurate control of the adsorption force of each suction cup. Ensure that the adsorption force is always maintained in the best state during operation, avoid damage to heart due to insufficient or excessive adsorption force.

A composition containing levosimendan, one or more solubilizing and / or stabilizing agents, and one or more additional pharmaceutically acceptable additives. The one or more solubilizing and / or stabilizing agents may be a cyclodextrin or a cyclodextrin derivative. The cyclodextrin derivative may be a derivative of an alpha-cyclodextrin, or beta-cyclodextrin, or a gamma-cyclodextrin. The cyclodextrin derivative may contain a butyl ether spacer group, an alkyl ether space group, or both. The one or more additional pharmaceutically acceptable additives may be a non-citrate buffer. The composition may be used in a method of treating a health condition, such as heart failure, pulmonary hypertension, chronic kidney disease, amyotrophic lateral sclerosis, stroke, in advance of a planned cardiac surgery, or other health conditions for which a minimally invasive or repeated administration of levosimendan may be beneficial. The composition may be administered subcutaneously.

Circulatory failure generates hypoxia and leads to accumulation of reductive species in tissue and circulatory failure monitoring tools are needed but rare. Cardiopulmonary bypass (CPB) is known to promote brief circulatory failure during its initiation. In the present study, the Inventors demonstrate a correlation between whole blood redox potential and circulatory failure during (CPB). They made a prospective study with 17 patients eligible for cardiac surgery with cardiopulmonary bypass. They demonstrated a frank reduction of the whole blood redox potential during circulatory failure during the initiation of CPB. They also demonstrated that they were able to classify patients in 3 groups, one of them presenting an unfavorable post-operative outcome. Accordingly, the present invention relates to a method of diagnosing acute circulatory failure in a patient comprising determining the level of redox potential in a sample obtained from said patient, wherein the level of redox potential indicates whether the patient suffers or not from an acute circulatory failure.

The present disclosure provides machine learning based systems, methods, and non-transitory media for diagnosing and treating patients that have undergone cardiac surgery. Included herein are pre-trained system, methods, and non-transitory media for diagnosing and treating post-surgical cardiac patients based on post-surgical clinical information to address and / or prevent postoperative hyperglycemia or acute kidney injury (AKI) that may arise in the days immediately after surgery. Also included are system, methods, and non-transitory media for diagnosing and treating post-surgical cardiac patients for other ailments that may arise during the period following such surgery.