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38 results about "Cardiovascular procedures" patented technology
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Internet-based system for collecting and analyzing data before, during, and after a cardiovascular procedure
InactiveUS20140107509A1Facilitate sophisticatedPerformed quickly and efficientlyData processing applicationsElectrocardiographyDatabase interfaceAmbulatory
The present invention provides an improved, Internet-based system that seamlessly collects cardiovascular data from a patient before, during, and after a procedure for EP or an ID. During an EP procedure, the system collects information describing the patient's response to PES and the ablation process, ECG waveforms and their various features, HR and other vital signs, HR variability, cardiac arrhythmias, patient demographics, and patient outcomes. Once these data are collected, the system stores them on an Internet-accessible computer system that can deploy a collection of user-selected and custom-developed algorithms. Before and after the procedure, the system also integrates with body-worn and / or programmers that interrogate implanted devices to collect similar data while the patient is either ambulatory, or in a clinic associated with the hospital. A data-collection / storage module, featuring database interface, stores physiological and procedural information measured from the patient.
Owner:TOSENSE
Multichannel catheter with obturator
This invention is a multichannel catheter for extracorporeal circulation of blood to a patient undergoing cardiovascular treatments or surgery. The catheter has three independent channels, an obturator and an expandable balloon at one end of the catheter. The first channel is the largest and is of a size that allows for delivery of blood through outlet parts in the wall of the first channel to a patient in an amount sufficient to maintain the patient's metabolism and perfusion throughout the treatment or surgery. The obturator is longitudinally insertable into the first channel. A second channel, smaller than the first, is integrated into the wall of the first channel, and is suitable for delivering a biologically active fluid (e.g., for cardioplegia) to the heart and / or venting the left heart. A third channel, also smaller than the first, is integrated into the wall of the first channel, and suitable for delivering a fluid to the balloon for its expansion when positioned in the ascending aorta to occlude the flow of blood to the heart. The catheter provides an improved means of preparing for or performing cardiovascular surgery on a patient using a cardiopulmonary machine for extracorporeal circulation of blood. The catheter is particularly useful for cardiac surgery.
Owner:SORIN GRP USA INC
Multichannel catheter
InactiveUS6821265B1Efficient deliveryMinimize damageSuture equipmentsInternal osteosythesisExtracorporeal circulationAscending aorta
This invention is a single, multichannel catheter useful for extracorporeal circulation of blood to a patient undergoing cardiovascular treatments or surgery. The catheter has three independent channels and an expandable balloon at one end of the catheter. The first channel (34) is the largest and is of a size that allows for delivery of blood to a patient in an amount sufficient to maintain the patient's metabolism and perfusion throughout the treatment or surgery. A second channel (36), smaller than the first, is integrated into the wall of the first channel, and is suitable for delivering a biologically active fluid (e.g., for cardioplegia) to the heart and / or venting the left heart. A third channel (38), also smaller than the first, is integrated into the wall of the first channel, and suitable for delivering a fluid to the balloon for its expansion when positioned in the ascending aorta to occlude the flow of blood to the heart. It is important that the first channel accounts for at least about 70% of the total channel volume. The catheter provides an improved means of performing cardiovascular surgery on a patient using a cardiopulmonary machine for extracorporeal circulation of blood. The catheter is particularly useful for cardiac surgery. The multichannel catheter is best prepared using an extrusion molding technique.
Owner:SORIN GRP USA INC
Cardiovascular procedures
InactiveUS20100114306A1No tissueReducing thromboembolic eventsSuture equipmentsStentsBalloon dilatation catheterCardiac wall
A method for performing cardiovascular and surgical procedures includes providing a conduit in the form of a graft / canula placed using balloon dilatation catheter and providing a fixing mechanism for the graft / canula. At least one opening is formed through a wall of the heart substantially at the apex. The escape of blood is prevented through the use of the fixing mechanism. Each of these steps is performed while the heart is beating.
Owner:CORLIFE GBR
System and method for providing embolic protection
InactiveUS8252016B2Eliminate and greatly reduce disadvantage and problemImprove protectionSurgeryDilatorsCardiovascular proceduresEmbolic protection
An apparatus for offering embolic protection is provided that includes a sponge operable to be positioned in an area of a patient who is to undergo a cardiovascular procedure. The sponge is operable to collect debris present in or proximate to the area and to allow a portion of blood flow or no blood flow associated with the area to continue while the debris is collected.
Owner:ANWAR AZAM
Multichannel catheter
InactiveUS20050171505A1Efficient deliveryMaximizes rate of blood flowSuture equipmentsOther blood circulation devicesExtracorporeal circulationHeart operations
This invention is a single, multichannel catheter useful for extracorporeal circulation of blood to a patient undergoing cardiovascular treatments or surgery. The catheter has three independent channels and an expandable balloon at one end of the catheter. The first channel (34) is the largest and is of a size that allows for delivery of blood to a patient in an amount sufficient to maintain the patient's metabolism and perfusion throughout the treatment or surgery. A second channel (36), smaller than the first, is integrated into the wall of the first channel, and is suitable for delivering a biologically active fluid (e.g., for cardioplegia) to the heart and / or venting the left heart. A third channel (38), also smaller than the first, is integrated into the wall of the first channel, and suitable for delivering a fluid to the balloon for its expansion when positioned in the ascending aorta to occlude the flow of blood to the heart. It is important that the first channel accounts for at least about 70% of the total channel volume. The catheter provides an improved means of performing cardiovascular surgery on a patient using a cardiopulmonary machine for extracorporeal circulation of blood. The catheter is particularly useful for cardiac surgery. The multichannel catheter is best prepared using an extrusion molding technique.
Owner:SORIN GRP USA INC
Magnetic resonance imaging of coronary venous structures
InactiveUS20080221429A1Improve blood-myocardium contrastSuppresses coronary vein signalMagnetic measurementsDiagnostic recording/measuringVenous blood specimenVenous blood
A method and system for magnetic resonance imaging comprises applying at least one radiofrequency magnetization transfer (MT) pulse to a coronary venous region of a subject positioned within a magnetic field, and acquiring magnetic resonance imaging data from the coronary venous region to produce an image of a coronary venous structure. This technique can be utilized as part of a 3D free-breathing, ECG-triggered gradient-echo Cartesian acquisition of the coronary region. One or more magnetization transfer (MT) preparation pulses are used to enhance the contrast between venous blood and myocardium. The MT preparation results in myocardial signal suppression without any significant signal loss in the arterial or venous blood so as to maintain venous blood signal-to-noise ratio while improving contrast between myocardium and veins. The coronary venous structure can comprise one or more of a coronary sinus, a lateral vein and a posterior vein. The image of a coronary venous structure can be acquired in connection with an interventional cardiovascular procedure, such as a cardiac resynchronization therapy.
Owner:BETH ISRAEL DEACONESS MEDICAL CENT INC
Multichannel catheter with obturator
Owner:SORIN GRP USA INC
Magnetic resonance imaging of coronary venous structures
InactiveUS8457711B2Increase contrastSuppresses coronary vein signalsMagnetic measurementsDiagnostic recording/measuringVenous bloodCardiovascular procedures
Owner:BETH ISRAEL DEACONESS MEDICAL CENT INC
Cardiovascular procedures
InactiveUS8470025B2No tissueReducing thromboembolic eventsSuture equipmentsStentsBalloon dilatation catheterCardiac wall
Owner:CORLIFE GBR
Tissue-Engineered Vascular Graft and Its Fabrication Approach
InactiveUS20140379072A1Improve patencyExtend your lifeElectric discharge heatingSurgeryCardiovascular proceduresBiodegradable polymer
Tissue-engineered vascular graft is designed to be used in cardiovascular surgeries, especially in coronary artery bypass grafting and peripheral vessels reconstruction procedures. Two-phase electrospinning technique was employed to fabricate a biodegradable polymer graft composed of the porous tubular scaffold supplemented by biologically active molecules, incorporated directly into the matrix walls in order to promote regeneration process of the patient's own vessel wall.
Owner:FEDERALNOE GOSUDARSTVENNOE BJUDZHETNOE UCHREZHDENIE NAUCHNO ISSLEDOVATELSKIJ INST KOMPLEKSNYKH PROBLEM SERDECHNO SOSUDISTYKH ZABOLEVANIJ SIBIRSKOGO OTDELENIJA ROSSIJSKOJ AKADI MEDITSINSKIKH NAUK FGBU NII KPSSZ SO RAMN
Compositions And Methods For Cardiovascular Surgery
The present invention relates to tissue preservation for autologous and heterologous transplantation. In particular the present invention provides compositions and methods for the long-term storage of surgical conduits ex vivo for subsequent use in coronary artery bypass grafting.
Owner:THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE DEPT OF VETERANS AFFAIRS +1
Pump for artificial circulatory assistance and a pumping system
PendingUS20200038565A1Positive displacement pump componentsOther blood circulation devicesCardiovascular proceduresCardiopulmonary bypass time
Membranes are provided to be specially developed for use in chambers for artificial circulatory assistance which may be employed primarily in cardiovascular procedures, notably to produce arterial capacitance, to regulate blood pressure, to produce aortic counterpulsation and to pump blood. The membrane may have circular sections that may vary in size or not depending on the function to be performed and are interconnected so that the transition between one section and the other is smooth, regardless of the size of each section. Further, chambers and pumps may be used for cardiopulmonary bypass and a pumping system.
Owner:ZAMMI INSTRAL
Pressing hemostasis device for internal medicine cardiovascular surgery
InactiveCN113331902AEasy to manufactureLow costNon-adhesive dressingsSurgeryBlood vessel operationsEngineering
The invention discloses a pressing hemostasis device for internal medicine cardiovascular surgery, and relates to the field of medical instruments. The pressing hemostasis device for the internal medicine cardiovascular surgery comprises a hemostasis device base, a fixed clamping end structural part, a movable clamping end structural part, a tightening end structural part and pressure hemostasis gauze, wherein the hemostasis device base comprises an arc-shaped groove fixing block and an arc-shaped rubber cushion block, the arc-shaped rubber cushion block is fixedly connected to the bottom of the arc-shaped groove fixing block through a bolt, the fixed clamping end structural part is fixedly connected to the left side of the hemostasis device base, and the movable clamping end structural part is arranged on the right side of the hemostasis device base. When the pressing hemostasis device for the internal medicine cardiovascular surgery is processed and manufactured, the pressing hemostasis device is convenient to manufacture, low in cost and particularly suitable for pressing hemostasis operation in the surgery of internal medicine cardiovascular diseases, the device has important significance in the internal medicine cardiovascular surgery, the surgery difficulty is reduced, the risk of the surgery is avoided, and the device is suitable for popularization.
Owner:郭丽萍
A highly stable intubation thruster for cardiovascular surgery
ActiveCN108066882BImprove stabilityAdvance accuratelySurgical needlesCatheterEngineeringCardiovascular procedures
Owner:杨硕菲
System and method for providing embolic protection
InactiveUS20060155325A1Superior embolic protectionEliminate and greatly reduce disadvantageSurgeryDilatorsCardiovascular proceduresBlood flow
An apparatus for offering embolic protection is provided that includes a sponge operable to be positioned in an area of a patient who is to undergo a cardiovascular procedure. The sponge is operable to collect debris present in or proximate to the area and to allow a portion of blood flow or no blood flow associated with the area to continue while the debris is collected.
Owner:ANWAR AZAM
Preparation method of Se-coated BSA nano-drug and application of Se-coated BSA nano-drug in acute kidney injury
ActiveCN113082048AAvoid accumulationAvoid assemblyPowder deliveryUrinary disorderPhosphorylationSignalling pathways
The invention relates to a preparation method of a Se-coated BSA nano-drug and application of the Se-coated BSA nano-drug in acute kidney injury, and belongs to the field of biological materials. The Se-coated BSA nano-drug synthesized by the invention is a safe nano-material capable of being used for intravenous injection, can be used for managing injury caused by hypotension of ischemic kidney and cardiovascular surgery, and aims to allow Se-coated BSA to be released after kidney I / R so as to avoid systemic toxicity, and the specific mechanism is that Se-coated BSA up-regulates expression of Gpx1 mRNA and protein level, removes ROS, inhibits accumulation of NLRP3 to prevent assembly of inflammatory bodies. The activation of a downstream inflammation signaling pathway and the phosphorylation of NF-beta B are realized, and the progress from AKI to CKD is slowed down.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
Augmented reality solution to disrupt, transform and enhance cardiovascular surgical and/or procedural mapping navigation and procedural diagnostics
An augmented reality system includes an augmented reality display system; and processing circuitry in communication with the augmented reality display system. The processing circuity configured to receive, from a mapping system, data associated with a subject's anatomical feature; receive, from a navigation system, an indication of a position of a treatment device within the subject's anatomical feature; and display, via the augmented reality display system, a virtual organ object and at least one of the data associated with the subject's anatomical feature and the indication of the position of the treatment device within the subject's anatomical feature overlaying a real-world environment viewable by a user via the augmented reality display system.
Owner:MEDTRONIC INC
Cardiovascular surgery index risk classification method and system based on retina image
PendingCN113011340AUnclear solutionSolving Consistency IssuesNeural architecturesSubcutaneous biometric featuresHidden layerHeat map
The invention discloses a cardiovascular surgery index risk classification method and system based on a retina image, and aims to solve the problems that an actual retina image is not clear and is inconsistent in exposure, and the like. The method comprises the steps: firstly, carrying out the preprocessing of contrast enhancement and blood vessel extraction on the retina image; data enhancement such as random rotation and translation is carried out on the extracted blood vessel map to increase the training amount of the data, so that the generalization ability of the model is improved; a two-stage supervised convolutional neural network model is designed for a classification task of a vascular map, so that not only can the features of retina images be learned, but also the correlation between the retina images is considered; a proper hidden layer node number is selected by adopting a localized generalization error, so that the generalization ability of the model is improved; in addition, the model also has the capability of generating a pixel-level fine-grained pixel-level saliency heat map, and has good interpretability.
Owner:SOUTH CHINA UNIV OF TECH +1
Cardiac surgery clinical cardiovascular surgery intubation tube thruster
The invention discloses a cardiac surgery clinical cardiovascular surgery intubation tube thruster, and relates to the technical field of cardiovascular surgery instruments, the cardiac surgery clinical cardiovascular surgery intubation tube thruster comprises a U-shaped groove plate and a pair of square plates fixed at the lower end part of the U-shaped groove plate, a circular shaft is rotatably connected between the two square plates, and the circular shaft is fixedly sleeved with a driving wheel; a short shaft is rotationally connected to the inner side of the U-shaped groove plate, the short shaft and the circular shaft are in transmission connection through a belt wheel transmission assembly, the short shaft is fixedly sleeved with a gear, a driving mechanism located on the upper side of the gear is arranged on the U-shaped groove plate, and a limiting circular rod is longitudinally arranged in the U-shaped groove plate. The two ends of the limiting round rod penetrate through the inner side front wall and the inner side rear wall of the U-shaped groove plate correspondingly, and limiting discs are fixed to the two ends of the limiting round rod correspondingly. The operation is simple, the operation can be realized by one hand, the operation process is stable, and the accuracy is high.
Owner:胡曰波
Great vessel graft suturing aid
ActiveUS10531947B2Improve adjustabilitySuture equipmentsStentsDistal fixationCardiovascular procedures
A stabilization tool supports a blood vessel for suturing during cardiovascular surgery. The support vessel may typically be part of an artificial graft used in replacing an aortic arch. The stabilization tool has a central shaft with a mounting element at a first end. A plurality of retractable arms have their distal ends affixed to a second end of the central shaft. The retractable arms are movable between a nested position flanking the central shaft and a range of extended positions wherein proximal ends of the retractable arms are spaced away from the central shaft. A closing ring is slidable over the retractable arms from a deployed position adjacent the second end of the central shaft to a retracted position spaced away from the second end to move the retractable arms.
Owner:TERUMO CARDIOVASCULAR SYST CORP
Movable sickbed with gear transmission structure for cardiovascular surgery patient
PendingCN114028092APrevent affecting functionImprove comfortRespiratorsInfusion devicesDrive wheelGear wheel
The invention discloses a movable sickbed with a gear transmission structure for a cardiovascular surgery patient, and relates to the field of medical sickbeds, the movable sickbed comprises a bed body, the bottom of the bed body is provided with a massage driving mechanism which enables a massage column to move up and down in a reciprocating mode to achieve a massage function; a blood activating transmission mechanism used for driving the movable plate to slide in a reciprocating mode to achieve curled and stretched movement is arranged, and linkage of the blood activating transmission mechanism and the massage driving mechanism is controlled through an air cylinder. A driving motor is started to drive a first rotating shaft to rotate, so that a driving wheel is driven to rotate in a gear ring, a first rack is driven to move left and right through a curved bar, and a magnet can be driven to reciprocate left and right in a massage box. As magnetic poles of the magnet block and the magnet are set in opposite directions, the principle of repulsion by the same pole can be used, massage columns are driven to move upwards to massage the back of the patient, and amyotrophy of the patient is prevented. The problems that an existing device cannot massage a patient, rehabilitation training cannot be conducted on the patient, and blood circulation cannot be promoted are solved.
Owner:王雪
Devices, systems, and methods for improving the accuracy and utility of imaging for cardiovascular procedures
The present invention is directed to systems and methods for imaging during medical procedures and to apparatus and methods for making and using catheters including positional sensors for imaging systems for such procedures. The system is provided for facilitating imaging a patient during a medical procedure that includes an electromagnetic field generator for generating an electromagnetic field around a desired region of a patient's body to provide an external reference frame; an elongate member comprising a proximal end, a distal end sized for introduction into the patient's body, and a distal portion carrying a plurality of sensors spaced apart from one another such that the sensors may be positioned within the patient's body; and a processor for receiving signals from the sensors generated in response to the electromagnetic field, the processor configured to identify when the plurality of sensors move relative to the external reference frame to identify corresponding movement of the patient's body.
Owner:P 贾斯 +3
Multichannel catheter
InactiveUS8123737B2Efficient deliveryMaximizes rate of blood flowSuture equipmentsOther blood circulation devicesExtracorporeal circulationEngineering
This invention is a single, multichannel catheter useful for extracorporeal circulation of blood to a patient undergoing cardiovascular treatments or surgery. The catheter has three independent channels and an expandable balloon at one end of the catheter. The first channel (34) is the largest and is of a size that allows for delivery of blood to a patient in an amount sufficient to maintain the patient's metabolism and perfusion throughout the treatment or surgery. A second channel (36), smaller than the first, is integrated into the wall of the first channel, and is suitable for delivering a biologically active fluid (e.g., for cardioplegia) to the heart and / or venting the left heart. A third channel (38), also smaller than the first, is integrated into the wall of the first channel, and suitable for delivering a fluid to the balloon for its expansion when positioned in the ascending aorta to occlude the flow of blood to the heart. It is important that the first channel accounts for at least about 70% of the total channel volume. The catheter provides an improved means of performing cardiovascular surgery on a patient using a cardiopulmonary machine for extracorporeal circulation of blood. The catheter is particularly useful for cardiac surgery. The multichannel catheter is best prepared using an extrusion molding technique.
Owner:SORIN GRP USA INC
Cardiovascular surgery risk assessment system based on big data analysis
ActiveCN113053533AShorten recognition timeImprove work efficiencyMedical data miningEmergency medicineCardiovascular procedures
The invention discloses a cardiovascular surgery risk assessment system based on big data analysis. The cardiovascular surgery risk assessment system comprises a data acquisition unit, a database, an identification unit, a data analysis unit, a data judgment unit, a risk assessment unit and intelligent equipment, wherein the data acquisition unit is used for acquiring related data of a cardiovascular surgery patient, calibrating the acquired related data as patient information and transmitting the patient information to the identification unit; case information related to cardiovascular surgery is stored in the database, data related to the cardiovascular surgery patient is collected through the data acquisition unit, the collected related data is calibrated as patient information, and the patient information is transmitted to the recognition unit; and the recognition unit obtains the case information from the database and performs recognition operation on the case information and the patient information together, so that the patient information and specific data in the case information are quickly recognized, the recognition time is saved, the working efficiency is improved, and the accuracy of data recognition is improved.
Owner:曜立科技(北京)有限公司
Accessory for external cardiac defibrillation, pacing and monitoring physiological signals/health data in the presence of electromagnetic interference
ActiveUS20180243574A1Accurate estimateMinimize impactTransmission systemsHeart defibrillatorsImaging qualityPulse oximetry
This accessory adapts external cardiac defibrillation systems to enable safe defibrillation, pacing, and cardioversion inside the MRI bore with minimal effect on MR image quality. Commercially available external defibrillators are not designed to work in the MRI environment. An MR-compatible defibrillator is needed to safely perform cardiovascular MRI, in particular MR-guided interventional cardiovascular procedures, such as cardiac electrophysiology studies and cardiac catheterization. This accessory includes nonmagnetic defibrillator housing with MRI safety features, provides interface for MRI-compatible physiological monitoring, and optimizes defibrillator operation for the MRI environment. The accessory may include MRI-compatible modules for monitoring / recording electrocardiogram, blood pressure, pulse oximetry, and other physiological signals. It may also include a wireless transmitter and at least one module for electrical energy generation and / or stimulation.
Owner:SHUSTERMAN VLADIMIR
Image-based device tracking
PendingUS20220022967A1Add supportSurgical navigation systemsCatheterRadiologyCardiovascular procedures
The present invention relates to supporting an interventional procedure involving a device, such as a cardiovascular procedure. First and second image data acquired using different imaging apparatus, for example X-ray and ultrasound image data, are co-registered. A device is firstly identified in 2D X-ray images; corresponding identification information is then used to generate a view from 3D ultrasound image data that includes a cross-section of the device to be identified subsequently. Following the identification, a 3D position and orientation of the device are available. Such information may advantageously be used in setting up optimal ultrasound views for image-based guidance of the ongoing procedure.
Owner:KONINKLJIJKE PHILIPS NV
Device for protecting cerebral vessels in cardiovascular surgery
The invention discloses a device for protecting cerebral vessels in a cardiovascular surgery. The device comprises a catheter, a filter screen sleeved outside the catheter and a bending adjusting catheter, wherein the filter screen comprises a filter screen frame and a film layer wrapped outside the filter screen frame, microporous structures are arranged inside the film layer with a certain radian, the areas of the microporous structures are different, annular supporting wires and side supporting wires are arranged in the filter screen frame, and the interior of the bending adjusting catheter comprises a multi-layer composite catheter structure and a pre-shaping structure. According to the invention, the strength of the filter screen is improved, so that breakage can be avoided while the filter screen can be integrally developed so as to accurately judge whether the filter screen completely extends out of the catheter or not, the required force value can be reduced when the filter screen is recovered, breakage of the filter screen is avoided, and the three-dimensional bending effect of the bending adjusting catheter can be achieved by using a single drawing wire.
Owner:上海御瓣医疗科技有限公司
Pressing hemostasis device for cardiovascular surgery in internal medicine department
PendingCN113995462AAvoid offsetInhibit aggregationSurgeryPlastersEngineeringCardiovascular procedures
The invention discloses a pressing hemostasis device for cardiovascular surgery in the internal medicine department, and relates to the technical field of medical treatment. The device comprises a base, pressure hemostatic gauze, a supporting frame and an expanding mechanism, an unwinding box and a first clamping mechanism are arranged on the left side face of the base, a second clamping mechanism and a cutting mechanism are arranged on the right side face of the base, a winding drum is rotationally arranged in the unwinding box, a pressure hemostatic gauze is wound on the winding drum, and the pressure hemostatic gauze sequentially penetrates through the first clamping mechanism, the second clamping mechanism and the cutting mechanism. When the pressure hemostatic gauze is pressed, the pressure hemostatic gauze is completely expanded through the expanding mechanism, the pressure hemostatic gauze is prevented from deviating or gathering together, the hemostatic effect is greatly improved, and the pressure hemostatic gauze is convenient to replace by arranging the unwinding box, the winding drum and the cutting mechanism; and the problems that according to an existing hemostasis device, pressure hemostasis gauze is not convenient to replace, deviation is prone to occurring during pressing, and the hemostasis effect is not ideal are solved.
Owner:PEOPLES HOSPITAL OF ZHENGZHOU
Image-based device tracking
Owner:KONINKLJIJKE PHILIPS NV
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