26 results about "Cardiac device" patented technology

A catheter includes a catheter body, a pump assembly and a cannula. The pump assembly can be disposed at a distal end of the catheter body and has a distal portion. The cannula can be coupled to the distal end portion of the pump assembly and can include a proximal cannula portion and a distal cannula portion. The distal cannula portion has an approximately helical shape which can allow the cannula to be inserted into a patient's right heart and pump blood therethrough. In certain implementations, the distal tip of the helical shape has a slight bias relative to the main helix to further facilitate delivery of the device. In certain applications this bias is toward the central axis of the helix.

The invention relates to a device for assisting in the handling and implantation of at least one electrode support(s) for a cardiac device, in particular a cardiac pacing device, said at least one electrode support(s) comprising a distal end and a proximal end, the proximal end comprising at least one connector configured to be in electrical connection with at least one portion of the distal end, characterized in that said device comprises: - a body, preferably one-piece, configured to cover at least one portion of said at least one connector, - at least one receiving portion for a means of temporary electrical connection, such as a crocodile clip, said at least one receiving portion being electrically conductive, - at least one connection element in electrical connection with said at least one receiving portion, said at least one connection element being in controlled tangential contact with said at least one connector.The invention also relates to the use of this device for the transfer of electrical signals into or from a cardiac stimulation device electrode, as well as a method for assembling this device.

An inventory management system includes a wearable cardiac device comprising an associated plurality of separate wearable cardiac device components stored as inventory at a first inventory location; a plurality of communication interface circuits associated with a corresponding one of the plurality of separate wearable cardiac device components and configured to facilitate transmission of inventory information through a network; at least one server device disposed at a central location and comprising a processor; and a memory comprising instructions that cause the processor to receive the inventory information from the plurality of communication interface circuits; receive a prescription for a patient; retrieve one or more prescription parameters based on the prescription; locate, in the inventory information, the wearable cardiac device based on the prescription parameters; determine a deployment status of the wearable cardiac device; and select the wearable cardiac device for the patient.

A system for displaying a representation of an instrument is disclosed. The system includes a display device configured to display at least a representation of a subject's heart; a tracking system, the tracking system comprising a locator; an imaging system configured to acquire image data of a subject's heart; an imaging system tracking device configured to be tracked with the tracking system and associated with the imaging system, where a pose of image data acquired with the imaging system relative to at least a portion of the subject is determined based at least on tracking of the imaging system tracking device; an instrument configured to move relative to the subject; an instrument tracking device associated with the instrument and configured to track with a tracking system; and a processing unit. The processing unit is configured to execute instructions to: generate an image representing at least a portion of a subject's heart based on the acquired image data; registering the image to the subject; generating a first graphical representation of the lead, the first graphical representation being based at least on the tracked pose of the instrument to be displayed relative to the generated image; generating a second graphical representation of an implantable cardiac device (ICD) to be displayed based at least on a selected pose of the ICD relative to the generated image; and generating a third graphical representation to represent an interaction between the first graphical representation and the second graphical representation. The system also includes a display device configured to display all of the image, the first graphical representation, the second graphical representation, and the third graphical representation. All of the images are displayed, the first graphical representation, the second graphical representation, and the third graphical representation being operable to represent treatment to the subject.

Methods and apparatuses for agnostic haptic feedback computing systems are provided. The system includes a cardiac device, incorporated with a plurality of dissimilar sensors configured to sense one or more input signals based on clinical characteristics of a patient and generate one or more output signals. A processor and haptic graphical user interface is configured to receive and process the one or more output signals and performs haptic transduction based on the one or more output signals. The haptic transduction generates one or more haptic feedback signals and provides sensations to a wearable haptic system and in a preferred embodiment utilizes imaging data alone, in lieu of conventional catheter based sensors, as input to the haptic system.

A wearable cardiac device for providing feedback during device assembly includes a garment configured to be continuously worn and an electrode belt including a plurality of assemblable elements. Each of the assemblable elements is configured for assembly into the garment prior to use of the wearable cardiac device. The plurality of assemblable elements includes electrodes configured to facilitate sensing electrical signals associated with cardiac activity of and / or deliver one or more therapeutic pulses to a patient. At least one of the plurality of assemblable elements includes respective local assembly feedback circuitry. Each respective local assembly feedback circuitry includes an assembly verification sensor configured to sense whether the respective assemblable element is correctly assembled into the garment and local assembly feedback indicator(s) locally disposed on the respective assemblable element and configured to provide a human-discernable feedback alert indicating whether the respective assemblable element is correctly assembled into the garment.

An adhesive housing is adapted to hold a magnet. The adhesive housing is placed on a person so that the functionality of an implanted cardiac device is affected. The adhesive housing and magnet inhibits the functions of an implanted cardiac device so that, for example, inappropriate shocks do not occur.

Various aspects of the present disclosure relate to apparatus, systems and methods for cardiac device fixation, and more particularly to accessing and fixating the pericardial space.

A medical device is configured to identify a first group of cardiac events, determine a cardiac event interval based on the first group of cardiac events and determine whether the cardiac event interval is less than a threshold interval or greater than the threshold interval. The medical device is configured to select a first blanking period duration if the cardiac event interval is less than the threshold interval or a second blanking period duration if the cardiac event interval is greater than the threshold interval.

An adapter device that includes an adapter body having a first end and a second end. A connection interface is coupled to the first end, has a connection direction, and is configured to couple to a cardiac device. A receiving interface is disposed at the second end and has a receiving direction. The receiving interface includes a first receiving port that is in electrical communication with the connection interface and is configured to receive a first connector pin. A sealing member is configured to be sealably disposed over the receiving interface and configured to receive and frictionally engage at least a portion of the adapter body. In some embodiments, the connection direction and the receiving direction are the same. In some embodiments, the connection direction and the receiving direction are opposite.

Disclosed herein are systems and methods for performing a cardiac arrhythmia and a subsequent nerve block. A cryogenic device can be provided and can comprise a handle comprising a proximal end and a distal end, an elongate shaft extending from the handle, the elongate shaft comprising a lumen, a cryogenic probe extending from the elongate shaft, wherein the cryogenic probe is flexible, and an adapter removably located at a distal end of the elongate shaft, the adapter comprising a base portion, a head portion, and an opening therethrough, wherein the base portion comprises one or more prongs configured to key onto the elongate shaft, wherein the head portion is rounded and comprises a groove embedded within. The adapter can be configured to receive the cryogenic probe via the opening and within the groove such that the cryogenic probe maintains a shape when coupled to the groove.

The present invention provides a device for monitoring the operation of leads of an implantable active cardiac device, particularly an implantable automatic defibrillator or cardiac resynchronization defibrillator. [Solution] The present invention relates to a device comprising: a parameter determination device for determining the values ​​of a plurality of parameters that characterize a read; and a processing unit configured to determine a representative value of at least one of the plurality of parameters that characterize the read based on at least two different time scales, wherein the processing unit is further configured to compare a so-called analytical value of at least one of the plurality of parameters that characterize the read with a representative value of the parameter.

Systems and methods include a cardiac device advisory management platform to receive and distribute data related to advisory notification(s) for an implanted cardiac device. Advisory notification data includes a device identifier and / or a lead identifier corresponding to the advisory notification. Upon receiving the advisory notification data, the clinic matches the device identifier and / or the lead identifier with patient data for patients enrolled with the clinic. One or more action indicators for various workflow procedures are generated and presented at a clinic user interface (UI) of the clinic device. Clinician inputs are received via the clinic UI to perform steps in response to the advisory notification, such as reviewing patient information, scheduling an in-office visit, and / or sending a notification to a patient device. A clinic behavior analysis is performed on the clinician inputs to generate information regarding the impact of the advisory notifications on the clinic workflow procedures.

An adhesive housing is adapted to hold a magnet. The adhesive housing is placed on a person so that the functionality of an implanted cardiac device is affected. The adhesive housing and magnet inhibits the functions of an implanted cardiac device so that, for example, inappropriate shocks do not occur.

The invention relates to a device for assisting in the handling and implantation of at least one electrode support for a cardiac device, in particular a cardiac stimulation device, the at least one electrode support comprising a distal end and a proximal end, the proximal end comprising at least one connector configured to be electrically connected to at least one portion of the distal end, characterized in that the assistance device comprises: - a body, preferably a one-piece body, configured to cover at least a portion of the at least one connector, - at least one receiving portion for a temporary electrical connection means, such as a crocodile clip, the at least one receiving portion being electrically conductive, - at least one connection element connected electrically to the at least one receiving portion, the at least one connection element being in controlled tangential contact with the at least one connector. The invention also relates to the use of this assistance device for transferring electrical signals to or from a cardiac stimulation device electrode, and to a method for assembling this assistance device.

A system comprising: one or more sensors for detecting a parameter of a patient's respiratory cycle; and an implantable cardiac device comprising: at least one lead comprising one or more electrodes for applying a cardiac contractility modulation stimulation to a heart; and circuitry for controlling and activating the lead, the circuitry being programmed to set a parameter of the cardiac contractility modulation stimulation in dependence on the parameter of the respiratory cycle detected by the one or more sensors.

A cardiac monitoring system with priority handling of certain clinical and operational communications is provided. The cardiac monitoring system includes an externally worn cardiac device configured to sense one or more electrocardiogram (ECG) signals from a patient wearing the cardiac device. The cardiac device includes a network interface, a memory configured to store BCG data derived from the one or more ECG signals, and a processor coupled with the memory. The processor is configured to determine, from a subset of the ECG data, occurrence of a priority event associated with the cardiac device or the patient wearing the cardiac device, publish, via the network interface, a message specifying the priority event to a first topic using a first communication protocol, and transmit, via the network interface, the ECG data to a remote storage service using a second communication protocol that is different than the first communication protocol.

A cardiac device configured to be positioned in a heart includes a body configured to be positioned in a wall between a right pulmonary vein and a right atrium or a superior vena cava and a sensor attached to the cardiac device. The sensor includes a sensor housing, a transducer, and control circuitry in the sensor housing in electrical communication with the transducer that is configured to sense a signal from a fluid in the right pulmonary vein, the right atrium, or the superior vena cava or a signal from the heart.

A method for machine-learning-based prediction of adverse outcomes using measured time-varying values of physiological parameters generated from output of an implantable or wearable cardiac device includes receiving, as input to a trained machine learning model, measured time-varying values of physiological parameters generated from output of one or more embedded sensors of a wearable or implantable cardiac device worn by or implanted within an individual subject. The method further includes generating, as output from the trained machine learning model, a value indicating a personalized risk estimate of all-cause mortality or a composite event of all-cause mortality or heart failure hospitalization for the individual subject. The method further includes performing, based on the value indicating the personalized risk estimate of all-cause mortality or the composite event, an intervention for the individual subject.

A cardiac device comprising a transmitter (10) configured to emit at least one wave; a probe (12) configured to measure a shear wave caused by the wave from the transmitter (10); a detector (14) configured to detect a systole in an electrocardiogram signal; and an estimator (16) configured to determine a propagation rate of a plurality of shear waves caused by wave transmission in a plurality of directions toward a heart of a patient during at least one cardiac cycle, determine a shear wave having a maximum propagation rate during the systole using the detector (14) and derive a principal active cardiac stress response (160) therefrom.

A wearable cardiac device for providing feedback during device wear includes a garment, tags disposed on the garment, and electrodes configured to facilitate sensing electrical signals associated with cardiac activity of the patient and / or delivering therapeutic pulses to the patient. Each electrode is configured for assembly into the garment in a respective predetermined position. At least one respective electrode includes respective local position feedback circuitry. Each respective local position feedback circuitry includes a position verification sensor configured to sense one or more tags and one or more local position feedback indicators locally disposed on the respective electrode and configured to provide a human-discernable feedback alert indicating whether the respective electrode is assembled into the garment in the respective predetermined position. The position verification sensor is further configured to activate the one or more local position feedback indicators based on whether the position verification sensor senses the one or more tags.

Systems and methods to improve resource utilization in ambulatory patient monitoring are disclosed, including receiving a request to record a set of physiologic information of a patient for a patient-triggered episode using one or more sensors of the ambulatory medical device, controlling recording and storage of the set of physiologic information of the patient for the patient-triggered episode, and controlling, at a first time, communication of a first subset of physiologic information to the remote device and storage of a second subset of physiologic information at the ambulatory medical device for selectable separate and subsequent communication to the remote device to improve resource utilization of the ambulatory patient monitoring.

The invention discloses an electrolyte, a battery and application thereof. The electrolyte comprises an aprotic organic solvent and lithium salts, wherein the lithium salts comprise high-stability organic lithium borate and high-ionic-conductivity (greater than or equal to 8mS / cm) lithium sulfimide. Wherein the high-conductivity salt is responsible for improving lithium ion transport kinetics and promoting rapid embedding of lithium ions into the positive electrode, and the organic lithium borate salt plays a dual protection role by virtue of excellent thermal stability and chemical stability, on one hand, a stable film is formed on a positive electrode interface, structural stress and damage are relieved, and vanadium dissolution is directly inhibited; on the other hand, the gas production risk of the electrolyte is reduced through the thermal stability, the internal pressure of the battery is controlled, and the vanadium dissolution driving force is indirectly reduced. The two components cooperate with each other, so that the structural integrity of the positive electrode material is protected, the improved electrolyte component reduces the increase of the internal resistance of the battery during the discharging period of the battery, and the safety and reliability of the battery in the implantable heart equipment are improved.

A medical device is configured to identify a first group of cardiac events, determine a cardiac event interval based on the first group of cardiac events and determine whether the cardiac event interval is less than a threshold interval or greater than the threshold interval. The medical device is configured to select a first blanking period duration if the cardiac event interval is less than the threshold interval or a second blanking period duration if the cardiac event interval is greater than the threshold interval.

The invention generally relates to an implantable medical lead assembly (100), an implantable cardiac device comprising such a medical lead assembly and a process for generating an implantable medical lead assembly.