38 results about "Beating heart" patented technology

Systems and methods are provided herein for monitoring electrical activity in ex vivo, resting donor organs. Systems and methods provided herein also include providing electrical stimulation to the donor tissue to maintain or increase viability during storage or transport. Donor organs can include ex vivo, resting hearts. Electrical activity can be used to determine donor organ viability, especially in instances where visual evaluation of a beating heart is not possible. The same electrodes or other sensing devices used to measure electrical activity can be used to apply a voltage / current to the tissue as well in order to maintain viability of the organ. In some embodiments, stimulation or depression may be provided in response to the measured electrical activity.

This document discloses a computer-implemented method for non-invasive assessment of pulmonary arterial hypertension PH from heart sound signals, the method comprising the steps of: receiving sound signals acquired from a beating heart of a subject for a predetermined period of time; generating one or more 2D feature maps, the feature maps including a 2D feature map having the received sound signals, where a first axis of the map is arranged in time and a second axis of the map is arranged on each heartbeat; a pre-trained neural network is applied to associate the generated one or more 2D feature maps with a previously acquired training dataset and to generate training 2D feature maps for a set of PH subjects and a set of non-PH subjects, thus obtaining an indication of the presence of pulmonary arterial hypertension. The invention also discloses a training method and system of the neural network.

Disclosed herein are devices and methods for assessing the surface of a target cardiac tissue and for delivering a tissue anchor to cardiac tissue at a preselected depth within the myocardium in a beating heart procedure. In one variation, an anchor delivery device comprises an elongate body, a tissue anchor disposed within a first longitudinal lumen of the elongate body, and a tissue depth indicator slidable within a second longitudinal lumen of the elongate body. The tissue depth indicator has a first configuration that indicates the boundary of the surface of the target tissue and a second configuration that indicates when the distal tip of the elongate body has been advanced to a preselected depth into the target tissue. In some variations, a tissue depth indicator may also be configured to resist or limit the penetration of the delivery device into tissue after a preselected depth has been reached.

The present document relates to a device for fixing a cardiac pump in an opening of a ventricular wall of a beating heart. The device includes: a hollow main body of overall cylindrical shape having an outer surface, this hollow main body includes a proximal end and a distal end between which said the outer surface extends, at least one portion of the outer surface of the main body intended to be placed inside ventricular cavity, except for its distal end, has a surface relief provided with protuberances and hollows, the distal end of the hollow main body forms a smooth crown having an arithmetic average roughness of less than or equal to 1 μm in order to stop the colonization of the fixing device by endothelial cells.

The invention is entitled "Breath control during cardiac ablation." The invention discloses a method for invasive cardiac treatment, the method comprising inserting a catheter into a beating heart of a patient who is anesthetically paralyzed and intubated for ventilation via a transvascular path, and temporarily stopping ventilation of the patient after the catheter is inserted. The method comprises moving the catheter between a plurality of locations of myocardial tissue of the heart with the ventilation stopped, and ablating the myocardial tissue of the heart at the plurality of locations with the ventilation stopped.

The invention relates to a device (2) for detecting magnetic signals generated by a beating heart (M), comprising a base body (1) with a bearing surface (1a) and a system (3) of at least two nitrogen vacancy-center, NV, magnetometer units (4), the system being embedded in the base body (1), wherein the base pad body (1) is designed to receive a user on the support surface (1a) in a sitting or lying manner.

1. The name of the design product: cup (jumping heart champagne cup). 2. The use of the design product: for cup. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present disclosure provides beating explanted donor hearts from swine, methods of making thereof, and methods of using thereof. The present disclosure further provides methods of treating a disease (e.g., a heart disease) in a human subject in need thereof comprising transplanting of a beating explanted donor heart from swine. The present disclosure also provides medical instruments suitable for transplanting a beating explanted donor heart from swine.

This invention relates to the design and function of a compressible valve replacement prosthesis, collared or uncollared, which can be deployed into a beating heart without extracorporeal circulation using a transcatheter delivery system. The design as discussed focuses on the deployment of a device via a minimally invasive fashion and by way of example considers a minimally invasive surgical procedure preferably utilizing the intercostal or subxyphoid space for valve introduction. In order to accomplish this, the valve is formed in such a manner that it can be compressed to fit within a delivery system and secondarily ejected from the delivery system into the annulus of a target valve such as a mitral valve or tricuspid valve.

Disclosed herein are minimally invasive systems and methods for performing an edge to edge repair of a heart valve on a beating heart of a patient. One or more sutures are inserted into a plurality of leaflets of the heart valve while the heart is beating through a minimally invasive access. The sutures can be threaded through a suture crimp that is advanced to the leaflets. A movable gate on the suture crimp can be actuated to secure the sutures at an appropriate tension to maintain the leaflets in a coapted position.

A monitoring system (100) for providing a fetal cardiac signal includes a plurality of magnetic field sensors (1101..i), and one or more processors (120). The one or more processors (120) are configured to receive composite magnetocardiogram, MCG, signals generated by the magnetic field sensors (1101..i). The composite MCG signals comprise a maternal MCG signal representing magnetic fields generated by a beating heart of a pregnant mother and a fetal MCG signal (130) representing magnetic fields generated by a beating heart of her fetus. The one or more processors (120) are also configured to analyse the composite MCG signals to extract the fetal MCG signal (130) from the composite MCG signals; and to output the fetal MCG signal (130) to provide the fetal cardiac signal.

In one embodiment, a suture attachment catheter configured to repair a heart valve by inserting a suture in a valve leaflet of a beating heart of a patient includes a handle control, a flexible catheter body, and a suture attachment assembly at a distal end of the catheter body. The suture attachment assembly can include a rail between a distal clamping jaw hingedly attached to the rail, and a proximal clamping jaw. One of the proximal clamping jaw or distal clamping jaw can be selectively slideable with respect to the other on the rail using a jaw actuator of the control handle to adjust a distance between the proximal clamping jaw and the distal clamping jaw. A needle can be selectively slideable within the catheter body by using a needle actuator of the proximal handle control to penetrate a valve leaflet and insert a suture through the valve leaflet when the valve leaflet is captured between the proximal clamping jaw and the distal clamping jaw.

Disclosed is a computer-implemented method for non-invasive estimation of Pulmonary Hypertension, PH, from heart sound signals. Consistent with the disclosure, the method includes the steps of: receiving a sound signal acquired from a beating heart of a subject over a predetermined time period; generating one or more 2D feature maps comprising a 2D feature map with the received sound signal where a first axis of the map is arranged over time and a second axis of the map is arranged over individual heartbeats; applying a pre-trained neural network to relate the generated one or more 2D feature maps with a training dataset of previously acquired and generated training 2D feature maps of a PH subject group and a non-PH subject group, thus to obtain an indicator of the presence of Pulmonary Hypertension. Also disclosed is a training method of said neural network and a system.

The present invention relates to a fastening means for grasping a heart valve leaflet for minimally invasive cardiac surgery, and to a system for minimally invasive repair of a valve in the beating heart of a patient.

This invention relates to the design and function of a compressible valve replacement prosthesis, collared or uncollared, which can be deployed into a beating heart without extracorporeal circulation using a transcatheter delivery system. The design as discussed focuses on the deployment of a device via a minimally invasive fashion and by way of example considers a minimally invasive surgical procedure preferably utilizing the intercostal or subxyphoid space for valve introduction. In order to accomplish this, the valve is formed in such a manner that it can be compressed to fit within a delivery system and secondarily ejected from the delivery system into the annulus of a target valve such as a mitral valve or tricuspid valve.

To provide a method for treating a heart condition by perfusing a drug to an unarrested beating heart of a patient.SOLUTION: A closed circuit may be formed by using a first drug delivery catheter 122 positioned in a patient's right coronary artery, a second drug delivery catheter 124 positioned in the patient's left main coronary artery, a drug collection catheter positioned in a coronary sinus, the coronary artery, the coronary venous system, and an external membrane oxygenator 120 interspersed between the venous and arterial branches. A drug for treating a heart condition may be perfused through the closed circuit.SELECTED DRAWING: Figure 1A

The invention relates to a device (2) for detecting a magnetic signal generated by a beating heart (M), comprising: at least one nitrogen-vacancy-center, NV, magnetometer unit (4), which is designed to detect a magnetic field intensity and / or field direction; at least one further sensor (5); a signal processing unit (170, 11), to which the at least one NV magnetometer unit (4) and the at least one further sensor (5) are connected, wherein the device is designed to determine at least one effective magnetic field intensity and / or at least one effective field direction from the signals of the at least one NV magnetometer unit (4) and the at least one further sensor (5) by means of the signal processing unit (170, 11).

A device is for detecting magnetic signals generated by a beating heart. The device includes a support body having a contact surface, and an arrangement of at least two nitrogen-vacancy centers, NV, magnetometer units. The arrangement is embedded in the support body. The support body is configured to receive a user sitting or lying on the contact surface.

The invention relates to a device (2) for detecting a magnetic signal generated by a beating heart (M), comprising: a first system (20) consisting of at least two nitrogen vacancy-center, NV, magnetometer units, the first system (20) having a first main extension plane; a second system (20) consisting of at least two NV-magnetometer units, the second system (20) having a second main plane of extension, the first main plane of extension being non-parallel to the second main plane of extension.

Apparatus and methods for deriving and displaying a time-averaged fetal heart rate signal in combination with microvariability information relating to beat-to-beat heart rate signal variability within different time-averaged epochs or windows. Supplementary information is displayed, for example, in temporal alignment or registration with the time-averaged heart rate signal, which indicates signal variability information during the averaging window of the time-averaged signal.

Disclosed herein are minimally invasive systems and methods for performing an edge to edge repair of a heart valve on a beating heart of a patient. One or more sutures are inserted into a plurality of leaflets of the heart valve while the heart is beating through a minimally invasive access. The sutures can be threaded through a suture crimp that is advanced to the leaflets. A movable gate on the suture crimp can be actuated to secure the sutures at an appropriate tension to maintain the leaflets in a coapted position.

A device is for detecting magnetic signals produced by a beating heart. The device includes at least one nitrogen vacancy center, NV, a magnetometer unit, configured to sense a magnetic field strength and / or field direction, at least one further sensor, and a signal processing unit, to which the at least one NV magnetometer unit and the at least one further sensor are connected. The device is configured to, using the signal processing unit, determine at least one effective magnetic field strength and / or at least one effective field direction from the signals of the at least one NV magnetometer unit and the at least one further

The present disclosure provides a medical system including an implantable medical device (IMD) configured to be positioned within a heart of a patient. The IMD is configured to receive an applied force from a tissue wall of a beating heart when a fixation element of the IMD is implanted in the tissue wall. The IMD includes a motion sensor configured to sense motion of the IMD generated by a force applied to the IMD by the tissue wall. The processing circuitry is configured to compare the sensed motion to representative cardiac activity. The processing circuitry is configured to evaluate engagement of the fixation element and the tissue wall based on the comparison. The processing circuit may be configured to evaluate the engagement when a clinician engages the fixation element with the tissue wall.

1. Name of the Design Product: Aroma Diffusing Hanging Ornament (Beating Heart). 2. Use of the Design Product: To hold the aroma diffusing hanging ornament. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Front View.

A device for performing minimally invasive repair of mitral valve leaflets in a beating heart through the delivery and implantation of artificial chordae tendineae includes a handle for positioning the device into a chest cavity of the patient, a capture assembly adapted to capture a valve leaflet between distal an proximal tip portions, a needle adapted to penetrate the valve leaflet, and a capture confirmation system for verifying capture of the valve leaflet between the distal and proximal tip portions.

Electrical impulses are received from a beating heart. The electrical impulses are converted to an ECG waveform. The ECG waveform is converted to a frequency domain waveform, which, in turn, is separated into two or more different frequency domain waveforms, which, in turn, are converted into a plurality of time domain cardiac electrophysiological subwaveforms and discontinuity points between these subwaveforms. The plurality of subwaveforms and discontinuity points are compared to a database of subwaveforms and discontinuity points for normal and abnormal patients or to a set of rules developed from the database. A bundle branches (BB) to J-Point (BB-J) interval is identified from the plurality of subwaveforms and discontinuity points based on the comparison. The ECG waveform with the BB-J interval annotated is displayed.

A device and method for deriving and displaying a time-averaged fetal heart rate signal in conjunction with microvariability information relating to variation in the beat-to-beat heart rate signal within the different time-averaging epochs or windows. Supplementary information is displayed, for example temporally aligned or registered with the time-average heart rate signal, which is indicative of variation information for the signal during averaging windows of the time-averaged signal.

The present application relates to the technical field of physiological signal processing, and discloses an energy consumption estimation method and device based on electrocardiosignal and a storage medium. The method extracts beat-by-beat heart beat information, heart rate variability features and electrocardio-derived respiration features from an ECG signal, and combines signal quality control, metabolic intensity regression model and start-stop kinetics compensation to realize continuous estimation of instantaneous energy consumption rate and cumulative energy consumption.

Provided is a system and methods of controlling heart animation of a training model in a sinus or arrhythmic beating pattern based on at least one input parameter. The method may include selectively controlling an adjustable valve in phases according to the at least one input parameter to animate the heart. Additionally, the method may include adjusting input parameters during operation based on an environmental stimulus.