Entries |
Document | Title | Date |
20080215103 | Aed Having Mandatory Pause for Administrating Cpr - A system and method are described for delivering electrotherapy to a patient that includes delivering electrotherapy to defibrillate the patient and providing at least one non-interruptible time period for administration of CPR prior to entering a monitor mode during which a patent cardiac signal is monitored for indication of a shockable rhythm. | 09-04-2008 |
20090062875 | Miniature defibrillator - A miniature implanted defibrillator ignites an explosive charge when it senses an erratic heart rhythm. The defibrillator can be delivered percutaneously into the heart or can be implanted in the vicinity of the heart via minimally invasive surgery. The shock created by the exploding charge defibrillates the heart. Single use and multiple use devices are possible. The same principle can be used for a disposable external defibrillators. | 03-05-2009 |
20090326598 | Pressure Sensing Lead Systems for Implantable Stimulators - Various different implementations of lead systems are disclosed for use with implantable stimulation systems. Generally, the lead systems incorporate, within an elongate lead body, one or more electrical conduits that connect to one or more distal electrodes, and a liquid-filled pressure transmission catheter lumen that extends proximally from a distal entry port. Use of the lead systems allows accurate pressure sensing at a location near where the electrodes are positioned. In addition, a defibrillator lead is disclosed having such features, and a system using that lead is capable of directly monitoring pressure within a heart chamber, and using that information to confirm the delivery of a defibrillation pulse. | 12-31-2009 |
20100114221 | THERAPY SYSTEM INCLUDING CARDIAC RHYTHM THERAPY AND NEUROSTIMULATION CAPABILITIES - An implantable medical system that includes a cardiac therapy module and a neurostimulation therapy module may identify when neurostimulation electrodes have migrated toward a patient's heart. In some examples, the system may determine whether the neurostimulation electrodes have migrated toward the patient's heart based on a physiological response to an electrical signal delivered to the patient via the neurostimulation electrodes. In addition, in some examples, the system may determine whether the neurostimulation electrodes have migrated toward the patient's heart based on an electrical cardiac signal sensed via the neurostimulation electrodes. | 05-06-2010 |
20100228307 | Responding to Partial Lead Failure in an Implantable Cardioverter Defibrillator - An implanted cardioverter defibrillator (ICD) delivers an electrical therapy signal to the heart of a patient. When ventricular fibrillation or another condition of the heart requiring high voltage therapy is sensed, the therapy signal is delivered to the heart. When a partial short-circuit or other low impedance condition occurs, an over-current protection circuit will stop delivery of a shocking pulse. The ICD will then reduce the voltage of the shocking pulse and try again to deliver electrical therapy. This process is repeated until a voltage level is found that is able to deliver the electrical therapy without causing an over-voltage condition. Alternate lead configurations may also be tried in an attempt to find a signal path that is not affected by the low impedance or short-circuit condition. | 09-09-2010 |
20100268294 | HEART MONITOR - Embodiments relate to a heart monitor, which is connected to or can be connected to at least one sensor for pressure and volume data or equivalent substitute variables and which comprises an evaluation unit for processing at least one input signal reflecting the temporal course of pressure and volume data or equivalent substitute variables of the heart. The evaluation unit is configured such that it segments the input signal in accordance with individual completed cardiac cycles and examines segments of the input signal obtained in this way as to whether a particular segment of the input signal represents a PV diagram, which corresponds to specified quality conditions regarding the direction of circulation, morphology and distance between a starting and end values. | 10-21-2010 |
20110166615 | EXTERNAL DEFIBRILLATOR AND METHODS FOR OPERATING THE EXTERNAL DEFIBRILLATOR - Methods and apparatus are provided for minimizing the inherent time delays within external defibrillators. The methods and apparatuses utilize timing schemes for initiation and completion of charging of an energy storage device of an external defibrillator, measuring one or physical parameters of the patient and conducting a physiology analysis of the patient. The initiation and completion of one or more of these activities are arranged so that the energy storage device is charged to a desired level and available for a defibrillation shock to the patient with minimal delay after activation of the external defibrillator. | 07-07-2011 |
20110172728 | CLOSED LOOP OPTIMIZATION OF A-V AND V-V TIMING - Embodiments of close loop optimization of atrio-ventricular (A-V) delay interval and/or inter-ventricular (V-V) timing are disclosed. An implantable medical device includes a housing that supports a processing means adapted for implantation in a patient. There can be two or more electrodes electrically coupled to the processing means where the two or more electrodes can be used for sensing a patient's cardiac signals, which include a far-field EGM. The processing means can determine a width of a P-wave from the sensed far-field EGM. Also included can be a means for delivering an adapted cardiac pacing therapy based upon the width of the P-wave, including revised A-V delay and/or V-V temporal intervals. | 07-14-2011 |
20110172729 | USE OF SIGNIFICANT POINT METHODOLOGY TO PREVENT INAPPROPRIATE THERAPY - An apparatus example comprises a cardiac signal sensing circuit configured to provide a sensed cardiac signal representative of cardiac depolarization events of a subject, a sampling circuit coupled to the cardiac signal sensing circuit, a therapy circuit, and a controller communicatively coupled to the sampling circuit and the therapy circuit. The controller includes a detection module configured to detect tachyarrhythmia using the cardiac signal and a signal analysis module configured to establish significant points (SPs) of the sampled cardiac signal, estimate heart rate during the tachyarrhythmia using the SPs, and provide an indication of whether noise is present in the cardiac signal using the SPs. The controller is configured to select a therapy for delivery by the therapy circuit in response to the tachyarrhythmia detection and to modify the selected therapy according to the heart rate estimation and the noise indication. | 07-14-2011 |
20110172730 | IMPLANTABLE MEDICAL DEVICE WITH EMBEDDED PROGRAMMABLE NON-VOLATILE MEMORY - A method comprising providing a programmable non-volatile memory (PNVM) circuit fabricated together with a processor on an integrated circuit chip (IC) in an implantable medical device (IMD), partitioning the PNVM circuit into a plurality of portions based on how often that the processor accesses a portion, and selectively providing power or selectively restricting power to one or more of the portions according to how often that the processor accesses a portion. | 07-14-2011 |
20110184484 | Automatic External Defibrillator with Active Status Indicator - An AED includes defibrillation circuitry housed within an enclosure, a first processor programmed to periodically test the operability of the defibrillation circuitry and a second processor in communication with the first processor. The AED further includes a visual indicator, such as a red/green LED, positioned at the exterior of the enclosure that is operatively connected to the second processor. The second processor is programmed to control the visual indicator in response to the periodic test results provided to it by the first processor. | 07-28-2011 |
20110190836 | DEFIBRILLATOR WITH OVERRIDABLE CPR-FIRST PROTOCOL - Methods and apparatus are provided for determining a defibrillation treatment protocol in an external defibrillator whereby a user may override a CPR-first default protocol. The method includes following steps configured in a defibrillator controller of issuing an inquiry; waiting for a response to the inquiry for a set time; ordering a CPR treatment protocol if no response is received within the set time; analyzing a response; ordering a CPR treatment protocol upon receiving a non-affirmative response to the inquiry; and ordering a shock treatment protocol upon receiving an affirmative response to the inquiry. Upon selecting a shock treatment protocol, the defibrillator performs a shock analysis under the shock treatment protocol, and either orders a CPR treatment protocol if shock treatment is not indicated by the shock analysis or provides a defibrillation shock if shock treatment is indicated by the shock analysis. Queries may be presented to a user in visual, audible, or both visual and audible format. | 08-04-2011 |
20110190837 | Automatic External Defibrillator with Active Status Indicator - An AED includes defibrillation circuitry housed within an enclosure, a first processor programmed to periodically test the operability of the defibrillation circuitry and a second processor in communication with the first processor. The AED further includes a visual indicator, such as a red/green LED, positioned at the exterior of the enclosure that is operatively connected to the second processor. The second processor is programmed to control the visual indicator in response to the periodic test results provided to it by the first processor. | 08-04-2011 |
20110190838 | Automatic External Defibrillator with Active Status Indicator - An AED includes defibrillation circuitry housed within an enclosure, a first processor programmed to periodically test the operability of the defibrillation circuitry and a second processor in communication with the first processor. The AED further includes a visual indicator, such as a red/green LED, positioned at the exterior of the enclosure that is operatively connected to the second processor. The second processor is programmed to control the visual indicator in response to the periodic test results provided to it by the first processor. | 08-04-2011 |
20110190839 | Automatic External Defibrillator with Active Status Indicator - An AED includes defibrillation circuitry housed within an enclosure, a first processor programmed to periodically test the operability of the defibrillation circuitry and a second processor in communication with the first processor. The AED further includes a visual indicator, such as a red/green LED, positioned at the exterior of the enclosure that is operatively connected to the second processor. The second processor is programmed to control the visual indicator in response to the periodic test results provided to it by the first processor. | 08-04-2011 |
20110202101 | Defibrillator Charging - Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR). | 08-18-2011 |
20110224748 | MONITORING DEVICE AND METHOD FOR OPERATING A MONITORING DEVICE - A monitoring device for a patient for predicting a cardiovascular anomaly and a method for operating a monitoring device is provided. Furthermore, an implantable electrotherapy device, such as an implantable cardiac pacemaker, an implantable cardioverter, or an implantable defibrillator, having a monitoring device are also provided. In an embodiment, the monitoring device acquires a value change of a hemodynamic parameter, which occurs as a result of a detected value change of a state parameter, for example, as a result of an activation or deactivation of a cardiac resynchronization therapy. By suitable evaluation of the value change of the hemodynamic parameter, the monitoring device can output an evaluation result signal which is indicative of an imminence of a cardiovascular anomaly, such as a cardiac decompensation, long beforehand and with high specificity. | 09-15-2011 |
20110245889 | ANTI-TACHYARRHYTHMIA SYSTEM WITH UNIFIED ATRIAL TACHYARRHYTHMIA RATE THRESHOLD - A cardiac rhythm management (CRM) system includes an implantable cardioverter defibrillator (ICD) and an external system. The ICD includes a plurality of functional modules performing tachyarrhythmia classification and therapy control functions using atrial tachyarrhythmia rate thresholds that are set to a unified value. In one embodiment, the CRM system allows a user to activate and deactivate each of the functional modules and program the unified value using the external system. | 10-06-2011 |
20110319949 | Apparatus and Method for Identifying Atrial Arrhythmia by Far-Field Sensing - In a subcutaneous implantable cardioverter/defibrillator, cardiac arrhythmias are detected to determine necessary therapeutic action. Cardiac signal information is sensed from far field electrodes implanted in a patient. The sensed cardiac signal information is then amplified and filtered. Parameters such as rate, QRS pulse width, cardiac QRS slew rate, amplitude and stability measures of these parameters from the filtered cardiac signal information are measured, processed and integrated to determine if the cardioverter/defibrillator needs to initiate therapeutic action. | 12-29-2011 |
20120004694 | THERAPY CIRCUIT PROTECTION FOR IMPLANTABLE MEDICAL DEVICE - A medical device can include a therapy circuit configured to provide a specified electrostimulation therapy to a tissue site, the specified electrostimulation therapy including a scheduled completion, the therapy circuit including a protection circuit configured to adjust specification of the electrostimulation therapy being provided so as to provide an adjusted electrostimulation therapy before the scheduled completion. The medical device can include a monitoring circuit comprising a comparator. The monitoring circuit can be configured to trigger the protection circuit to inhibit the therapy circuit when the therapy circuit output parameter exceeds the specified threshold as indicated by the comparator. | 01-05-2012 |
20120035677 | DEFIBRILLATION SYSTEM AND CARDIAC DEFIBRILLATION METHOD - Provided is a defibrillation system including an electrode section that is attached to a heart and applies electrical energy to the heart, a defibrillator that generates the electrical energy on the basis of a predetermined defibrillation wave, and a lead that electrically connects the electrode section and the defibrillator. Further, the defibrillation wave includes a first wave generating first energy, a second wave generating second energy higher than the first energy of the first wave behind the first wave, and an application stop period formed between the first wave and the second wave. | 02-09-2012 |
20120109240 | AUTOMATIC ADJUSTMENT OF ARRHYTHMIA DETECTION PARAMETERS - Methods and/or devices for initiating an automatic adjustment of arrhythmia detection parameters (e.g., upon delivery of cardiac therapy after detection of VT/VF). | 05-03-2012 |
20120116472 | SYSTEMS AND METHODS FOR DETERMINING AN OPTIMAL DEFIBRILLATION SHOCK WAVEFORM - Methods and systems for determining an optimal defibrillation shock waveform for application to the heart of a patient may include measuring and/or collecting information for a cardiac waveform of a patient, produced as a result of either an electrical stimulus applied to a heart of the patient, which may be a pacing shock/stimulus and/or a defibrillation shock waveform, or as the result of intrinsic cardiac activation; determining a characteristic of the cardiac waveform; comparing the determined characteristic of the cardiac waveform to a plurality of values for the characteristic with optional reference to the defibrillator system impedance, wherein each value of the characteristic is associated with a predetermined value for a parameter of an optimal defibrillation shock waveform; and selecting the predetermined value for the parameter of the optimal defibrillation shock waveform based on the comparison. | 05-10-2012 |
20120123491 | DEFIBRILLATOR DEVICE WITH STATUS INDICATING TRANSPORT HANDLE - A device and method for automatically indicating an operating status of a defibrillator is provided. A defibrillator device includes a housing and a handle attached to the housing constructed at least partially of a light-transmitting material. A user interface is positioned within the housing that includes a plurality of controls thereon, with the plurality of controls enabling a user to control an operating status of the defibrillator device. A light source is positioned within the housing that is configured to illuminate the handle in one of a plurality of colors. The defibrillator device also includes a processor configured to determine the operating status of the defibrillator device and selectively control the light source to illuminate the handle in one of the plurality of colors based on the determined operating status of the defibrillator device. | 05-17-2012 |
20120123492 | BIPHASIC DEFIBRILLATOR WAVEFORM WITH ADJUSTABLE SECOND PHASE TILT - A defibrillator produces a biphasic defibrillation pulse waveform with adjustable tilt for the second phase. The tilt of the second phase of the biphasic waveform can be controllably adjusted by selectively switching a current path which bypasses the patient during delivery of the second phase of the pulse. The inventive biphasic waveform can be delivered by a defibrillator with a single capacitance. | 05-17-2012 |
20120150250 | SYSTEM AND METHOD TO DELIVER THERAPY IN PRESENCE OF ANOTHER THERAPY - Various aspects relate to a method. In various embodiments, a therapy of a first therapy type is delivered, and it is identified whether a therapy of a second therapy type is present to affect the therapy of the first therapy type. Delivery of the therapy is controlled based on the presence of the therapy of the second therapy type. Some embodiments deliver the therapy of the first type using one set of parameters in the presence of a therapy of a second type, and deliver the therapy of the first type using another set of parameters when the therapy of the second type is not present. In various embodiments, one of the therapy types includes a cardiac rhythm management therapy, and the other includes a neural stimulation therapy. Other aspects and embodiments are provided herein. | 06-14-2012 |
20120158075 | WATER RESISTANT WEARABLE MEDICAL DEVICE - An accessory kit for use with a wearable medical device, such as a wearable defibrillator, that includes a control unit and a first plurality of electrodes electrically coupled to the control unit. The first plurality of electrodes includes a first plurality of ECG sensing electrodes and a first plurality of therapy electrodes configured to provide a defibrillating shock to a body of a patient. The accessory kit includes a waterproof enclosure configured to receive the control unit and protect the control unit during operation in a wet environment and a second plurality of electrodes that are electrically coupled to a connector configured to removably and electrically couple to the control unit. The second plurality of electrodes includes a second plurality of ECG sensing electrodes and a second plurality of therapy electrodes configured to provide a defibrillating shock to the body of the patient. | 06-21-2012 |
20120158076 | Unitary Subcutaneous Only Implantable Cardioverter-Defibrillator - A unitary subcutaneous implantable cardioverter-defibrillator that contains a source of electrical energy, a capacitor, and operational circuitry for sensing the presence of potentially fatal heart rhythms. Provided on the housing are cardioversion/defibrillation electrodes located to deliver electrical cardioversion-defibrillation energy when the operational circuitry senses a potentially fatal heart rhythm. The unitary subcutaneous implantable cardioverter-defibrillator does not have a transvenous, intracardiac, epicardial, or subcutaneous electrode. | 06-21-2012 |
20120179219 | STIMULATION SYSTEM, IN PARTICULAR A CARDIAC PACEMAKER - A stimulation system, an implantable electrode device and a method for operating an implantable electrode device are proposed. A simplified implantation, a simple construction and reliable control are made possible by the electrode device being supplied with energy, and controlled, in an exclusively wireless manner via a time-variable magnetic field. The magnetic field is generated by an implanted control device. | 07-12-2012 |
20120185006 | DEFIBRILLATORS DETECTING ORIENTATION OF ELECTRODE CONNECTION TO ADJUST ENERGY DOSAGE - Embodiments of the present concept are directed to external defibrillators that include an electrode connection port having multiple connection options, and include a detection device to determine an electrode connection configuration so as to provide an appropriate electrical shock to a patient. The detection device detects the electrode connection configuration of a plug connector for connected electrodes to determine if the plug connector is in an adult orientation or a pediatric orientation. The external defibrillator is configured to a deliver an electrical shock with less energy when the pediatric orientation is detected rather than the adult orientation. | 07-19-2012 |
20120191152 | IMPLANTABLE CARDIAC DEVICES AND METHODS - Embodiments relate to an implantable cardiac system and methods, including a housing, electronic circuitry for controlling one or more of power management, processing unit, information memory and management circuit, sensing and simulation output and how these operate. The system also includes diagnosis and treatment software for diagnosing health issues, diagnosing mechanical issues, determining therapy output and manage patient health indicators over time, a power supply system including at least one rechargeable battery, a recharging system, an alarm (or alert) system to inform patient of energy level and integrity of system, communication circuitry, one or more electrodes for delivering therapeutic signal to a heart and one or more electrodes for from delivering electrocardiogram signal from the heart to the electronic circuitry, and body orientation determination, in various aspects. | 07-26-2012 |
20120197330 | Fault Tolerant System for an Implantable Cardioverter Defibrillator or Pulse Generator - The disclosure describes circuits for providing therapy in an implantable medical device. The illustrative circuits include features that provide fault tolerance with graceful degradation as well as switching control methods that reduce component count and improves reliability. | 08-02-2012 |
20120221067 | IMPLANTABLE MEDICAL DEVICE POWER SAVING COMMUNICATION - A non-implantable communication unit ( | 08-30-2012 |
20120245648 | CPR Sensitive ECG Analysis In An Automatic External Defibrillator - An automatic external defibrillator including: a sensor for detecting when a rescuer is delivering a CPR chest compression to the patient; electrodes for application to the thorax of the patient for delivering a defibrillation shock to the patient and for detecting an ECG signal; defibrillation circuitry for delivering a defibrillation shock to the electrodes; and a processor and associated memory for executing software that controls operation of the defibrillator. The software provides: ECG analysis for analyzing the ECG signal to determine if the cardiac rhythm is shockable; CPR detection for analyzing the output of the sensor to determine when a CPR chest compression has been delivered, and integration of the ECG analysis and CPR detection so that the determination of whether the cardiac rhythm is shockable is based only on time periods of the ECG signal during which there has not been a CPR chest compression delivered. | 09-27-2012 |
20120265265 | Automated External Defibrillator Pad System - An embodiment includes a cardiac resuscitation system with first and second electrodes in a source electrode pad and a return electrode in a return electrode pad. After the source and return electrode pads are applied to a patient the layperson may put a switch in a first position to create a first electrical path to communicate a first shock between the first and return electrodes via a first vector. If the first shock fails the user may move the switch to a second position to create a second electrical path to communicate a second shock between the second and return electrodes via a second vector. As a result, the system allows a layperson to easily flip a switch to produce a first shock via a first vector and a second shock via a second vector thereby improving therapy outcomes. Other embodiments are described herein. | 10-18-2012 |
20120296385 | Vector Configuration Detection and Corrective Response Systems and Methods - In one aspect a system includes an external communication device configured to interrogate a pulse generator, an external programmer device communicatively coupled to the external communication device; the external programmer device configured to receive a listing of valid electrode pairs from the pulse generator through the external communication device, the external programmer device configured to prevent a pacing, sensing, or shocking vector from being programmed by the user if a pair of electrodes needed for the vector are not included within the listing of valid electrode pairs. In another aspect a system includes an implantable medical device configured to detect the presence or absence of electrodes on an implanted stimulation lead coupled to the implantable medical device and to generate a valid electrode pair listing and compare the programmed electrode pairs with the valid electrode pair listing. Other embodiments are also included herein. | 11-22-2012 |
20120316611 | METHOD AND APPARATUS FOR THE DETECTION AND CONTROL OF REPOLARIZATION ALTERNANS - A method and apparatus are disclosed for preventing heart rhythm disturbances by optimally recording cardiac electrical activity, optimally measuring beat-to-beat variability in the morphology of electrocardiographic waveforms, and using the measured beat-to-beat variability to control the delivery of therapy to the heart. | 12-13-2012 |
20120316612 | Methods and Devices for Adapting Charge Initiation for an Implantable Defibrillator - Adaptive methods for initiating charging of the high power capacitors of an implantable medical device for therapy delivery after the patient experiences a non-sustained arrhythmia, and devices that perform such methods. The adaptive methods and devices adjust persistence criteria used to analyze an arrhythmia prior to initiating a charging sequence to deliver therapy. Some embodiments apply a specific sequence of X-out-of-Y criteria, persistence criteria, and last event criteria before starting charging for therapy delivery. | 12-13-2012 |
20120323290 | Methods and Devices for Adapting Charge Initiation for an Implantable Defibrillator - Adaptive methods for initiating charging of the high power capacitors of an implantable medical device for therapy delivery after the patient experiences a non-sustained arrhythmia, and devices that perform such methods. The adaptive methods and devices adjust persistence criteria used to analyze an arrhythmia prior to initiating a charging sequence to deliver therapy. Some embodiments apply a specific sequence of X-out-of-Y criteria, persistence criteria, and last event criteria before starting charging for therapy delivery. | 12-20-2012 |
20130013012 | METHOD FOR LOW-VOLTAGE TERMINATION OF CARDIAC ARRHYTHMIAS BY EFFECTIVELY UNPINNING ANATOMICAL REENTRIES - A method for extinguishing a cardiac arrhythmia utilizes destructive interference of the passing of the reentry wave tip of an anatomical reentry through a depolarized region created by a relatively low voltage electric field in such a way as to effectively unpin the anatomical reentry. Preferably, the relatively low voltage electric field is defined by at least one unpinning shock(s) that are lower than an expected lower limit of vulnerability as established, for example, by a defibrillation threshold test. By understanding the physics of the electric field distribution between cardiac cells, the method permits the delivery of an electric field sufficient to unpin the core of the anatomical reentry, whether the precise or estimated location of the reentry is known or unknown and without the risk of inducting ventricular fibrillation. A number of embodiments for performing the method are disclosed. | 01-10-2013 |
20130013013 | METHOD AND APPARATUS FOR TREATMENT OF CARDIAC TACHYARRHYTHMIAS - Method and apparatus for preventing heart rhythm disturbances by recording cardiac electrical activity, measuring beat-to-beat variability in the morphology of electrocardiographic waveforms, and using the measured beat-to-beat variability to control the delivery of electrical impulses to the heart during the absolute refractory period. | 01-10-2013 |
20130013014 | MEDICAL DEVICE CONFIGURED TO TEST FOR USER RESPONSIVENESS - A medical device is disclosed that includes one or more treatment electrodes, one or more sensors, and one or more controllers connected to the one or more treatment electrodes and one or more sensors. The medical device also includes one or more response mechanisms connected to the one or more controllers. The one or more controllers are configured to receive input from the one or more response mechanism and are also configured to determine whether a patient wearing the medical device actuated the one or more response mechanisms based, at least in part, on the input received from the one or more response mechanisms. In some disclosed embodiments, the medical device is a wearable defibrillator. | 01-10-2013 |
20130018432 | ENERGY DELIVERY APPARATUS AND METHOD - There is provided an energy delivery device comprising a storage device, a discharge circuit and a disarm circuit. The discharge circuit comprises a switch electrically connected to the storage device, and is selectively operable to deliver energy from the storage device to a load, e.g., a patient needing defibrillation, preferably in a multiphasic waveform. The disarm circuit comprises the switch. Preferably, the discharge circuit comprises an H-bridge circuit. There are also provided delivery devices: which comprise a shoot-through elimination circuit; which include housing elements which, when assembled, cause electrical connection between respective components; which include a housing having a small volume and an energy storage device having a large capacitance; which comprise a shunt circuit which, when activated, prevents switching of a switch. There are also provided methods of assembly and disassembly of an energy delivery unit and methods of delivering energy to a load. | 01-17-2013 |
20130023945 | IMPLANTABLE DEFIBRILLATION ARRANGEMENT AND ELECTRODE LEAD - An implantable defibrillation arrangement comprising a defibrillation device having a sensing component and a defibrillation component, and an electrode lead comprising a lead body, a plug, a sensing electrode for sensing cardiac action potentials with a first electrode supply lead, and a defibrillation electrode for transmitting shock pulses to cardiac tissue with a second electrode supply lead, wherein a switching unit is provided to switch the sensing electrode to the potential of the defibrillation electrode in response to the output of a defibrillation shock by the defibrillation component. | 01-24-2013 |
20130066390 | Kits And Methods For Retrofitting And Adapting Common Notebooks, Laptop Computers, And Tablets, To Enable Each To Be Used As An Automated External Defibrillator (Aed), And As A Manual Defibrillator - A notebook, laptop computer or tablet computer having an automated external defibrillator (AED) capability, and methods of utilizing the notebook, laptop computer or tablet computer defibrillator to treat victims of sudden cardiac arrest. Kits and methods for converting, adapting or retrofitting a common notebook, laptop computer and tablet computer to enable each to be used as an AED to treat victims of sudden cardiac arrest. A kit including an adjustable case for receiving, encompassing, adapting and converting a common notebook, laptop computer or tablet computer to enable each to be used as an AED. A kit including a slave automated external defibrillator (AED) that is joined to a common notebook, laptop computer or tablet computer to adapt, convert and enable each to be used as an AED. | 03-14-2013 |
20130150909 | MODES OF OPERATION FOR ATRIAL DEFIBRILLATION USING AN IMPLANTABLE DEFIBRILLATOR - Systems, methods and devices relating to atrial defibrillation and, more specifically, modes of operation for automatically and/or remotely causing the delivery of one or more atrial defibrillation pulses are disclosed. Embodiments provide for wireless communication between an implanted atrial defibrillator, external communication devices and/or servers to detect atrial fibrillation states, communicate with patients and/or initiate the delivery of atrial defibrillation pulses. | 06-13-2013 |
20130172952 | Medical Device with Status Indication - A system and method provides a status indicator to a battery pack of a medical device. The battery pack includes a power supply capable of being connected to the medical device. The battery pack also includes an indicator to indicate a status of at least a portion of at least one of the battery pack and the medical device. For example, the indicator can indicate a status of the power supply. | 07-04-2013 |
20130218221 | METHODS FOR USING A PULMONARY ARTERY ELECTRODE - According to some method embodiments, a left pulmonary artery electrode is positioned in a left pulmonary artery, and the left pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation. According to some method embodiments, a right pulmonary artery electrode is positioned in a right pulmonary artery and a left pulmonary artery electrode is positioned in a left pulmonary artery, the right pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation, and the left pulmonary artery electrode is used to sense atrial activity, or capture cardiac tissue, or deliver neural stimulation. | 08-22-2013 |
20130245708 | EXTERNAL DEFIBRILLATOR - An external defibrillator includes patient electrodes ( | 09-19-2013 |
20130253601 | DATA MANIPULATION FOLLOWING DELIVERY OF A CARDIAC STIMULUS IN AN IMPLANTABLE CARDIAC STIMULUS DEVICE - Methods of cardiac rhythm analysis in an implantable cardiac stimulus device, and devices configured for such methods. In an illustrative embodiment, certain data relating to cardiac event rate or amplitude is modified following delivery of a cardiac stimulus. In another embodiment, cardiac rhythm analysis is performed using one of plural states, with the plural states using different criteria, such as a detection threshold, to detect cardiac events in a sensed signal. Following delivery of a cardiac stimulus, data is manipulated to force the analysis into one of the states, where stimulus is delivered, in the illustrative embodiment, only after a different state is invoked. Implantable devices incorporating operational circuitry for performing such methods are also included in other illustrative embodiments. | 09-26-2013 |
20130268013 | ELECTRODE SPACING IN A SUBCUTANEOUS IMPLANTABLE CARDIAC STIMULUS DEVICE - Methods and implantable cardiac stimulus devices that include leads designed to avoid post-shock afterpotentials. Some examples are directed toward lead-electrode designs that reduce the impact of an applied stimulus on sensing attributes. These examples may find particular use in systems that provide both sensing and therapy delivery from subcutaneous location | 10-10-2013 |
20130282072 | AED FASTER TIME TO SHOCK METHOD AND DEVICE - An automated external defibrillator (AED) and methods for reducing the delay between termination of cardiopulmonary resuscitation (CPR) and administration of a defibrillating shock, among other disclosed apparatus and methods. In one embodiment, the AED includes an ECG sensor that obtains an ECG signal corresponding to patient heart activity and a prompting device that provides instructions regarding cardiopulmonary resuscitation. The AED also has a control system including a microprocessor programmed to run two rhythm analysis algorithms after instructions to terminate CPR. The two rhythm analysis algorithms analyze segments of the ECG signal for recognizing the presence of a shockable rhythm, with one algorithm having a delayed start relative to the other algorithm. The AED additionally includes a therapy generation circuit for treating the shockable rhythm with a defibrillation pulse in response to the control system determining the presence of a shockable rhythm. | 10-24-2013 |
20130304148 | ELECTROMAGNETIC INTERFERENCE SHIELDING IN AN IMPLANTABLE MEDICAL DEVICE - EMI shields for use in implantable medical devices that include inner and outer metal layers separated by a dielectric layer. When assembled as medical devices, the outer metal layer of an illustrative EMI shield is placed into electrical contact with a conductive inner surface of an associated canister for an implantable medical device. | 11-14-2013 |
20130317561 | SYSTEM AND METHOD TO DELIVER THERAPY IN PRESENCE OF ANOTHER THERAPY - Various aspects relate to a method. In various embodiments, a therapy of a first therapy type is delivered, and it is identified whether a therapy of a second therapy type is present to affect the therapy of the first therapy type. Delivery of the therapy is controlled based on the presence of the therapy of the second therapy type. Some embodiments deliver the therapy of the first type using one set of parameters in the presence of a therapy of a second type, and deliver the therapy of the first type using another set of parameters when the therapy of the second type is not present. In various embodiments, one of the therapy types includes a cardiac rhythm management therapy, and the other includes a neural stimulation therapy. Other aspects and embodiments are provided herein. | 11-28-2013 |
20140005736 | PROVIDING LIFE SUPPORT | 01-02-2014 |
20140005737 | DEFIBRILLATOR PADDLES WITH LIGHTED SHOCK BUTTONS | 01-02-2014 |
20140005738 | DEFIBRILLATOR WITH PROTOCOL FOR SELECTIVELY INTERRUPTING CPR | 01-02-2014 |
20140012342 | APPARATUS AND METHODS USING ACOUSTIC TELEMETRY FOR INTRABODY COMMUNICATIONS - Systems and methods provide intrabody communication using acoustic telemetry. The system includes a first or control implant including a first acoustic transducer, and a second implant including a switch and a second acoustic transducer coupled to the switch. The second acoustic transducer receives acoustic signals from the first acoustic transducer for closing the switch to activate the second implant. The second implant may include a therapeutic device for providing therapy to the patient. For example, the second implant may provide pacing therapy, defibrillation therapy, pain control stimulation, or neuro-stimulation. | 01-09-2014 |
20140039569 | ACTIVE IMPLANTABLE MEDICAL DEVICE HAVING ANTITACHYCARDIA ATRIAL AND ANTIBRADYCARDIA VENTRICULAR PACING - An implantable medical device includes a mechanical activity sensor configured to sense movements produced by contractions of a ventricular cavity and output a mechanical activity signal representative of the contractions. The implantable medical device also includes one or more circuits configured to detect a plurality of spontaneous ventricular depolarizations based on electrical potentials representative of the spontaneous ventricular depolarizations, calculate an escape interval, and provide an antibradycardia ventricular pacing therapy in an absence of a detected spontaneous ventricular event after the escape interval. The circuits calculate the escape interval by calculating a first escape interval based on successive detected spontaneous ventricular depolarizations and a second escape interval based on the mechanical activity signal from the mechanical activity sensor, and selecting one of the first escape interval and the second escape interval, wherein the second escape interval is selected in response to a delivery of an antitachycardia atrial pacing therapy. | 02-06-2014 |
20140046393 | SEQUENTIAL STACKED CAPACITOR DEFIBRILLATOR AND WAVEFORM GENERATED THEREFROM - A medical device such as an external defibrillator delivers electrical therapy using a special ascending, biphasic waveform. The special waveform is characterized by a set of at least two peaks. The amplitude of the second peak is greater than the amplitude of the first peak. The waveform is generated by switching capacitance configuration in the defibrillator from a parallel configuration to a series configuration while the defibrillator is delivering the defibrillation shock to the patient. Because of the switching capacitances and/or the waveform, the external defibrillator can be made physically smaller and weigh less, without sacrificing the therapeutic effect of a larger external defibrillator that would deliver a defibrillation shock of higher energy. As such, the defibrillator is easier to configure for transporting, handling, and even wearing. | 02-13-2014 |
20140046394 | ACCURATE CARDIAC EVENT DETECTION IN AN IMPLANTABLE CARDIAC STIMULUS DEVICE - Methods, systems, and devices for signal analysis in an implanted cardiac monitoring and treatment device such as an implantable cardioverter defibrillator. In some illustrative examples, detected events are analyzed to identify changes in detected event amplitudes. When detected event amplitudes are dissimilar from one another, a first set of detection parameters may be invoked, and, when detected event amplitudes are similar to one another, a second set of detection parameters may be invoked. Additional methods determine whether the calculated heart rate is “high” or “low,” and then may select a third set of detection parameters for use when the calculated heart rate is high. | 02-13-2014 |
20140052205 | METHOD OF IMPLANTING AND USING A SUBCUTANEOUS DEFIBRILLATOR - A subcutaneous implantable cardioverter-defibrillator is disclosed which has an electrically active canister which houses a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal heart rhythms. At least one subcutaneous electrode that serves as the opposite electrode from the canister is attached to the canister via a lead system. Cardioversion-defibrillation energy is delivered when the operational circuitry senses a potentially fatal heart rhythm. There are no transvenous, intracardiac, or epicardial electrodes. A method of subcutaneously implanting the cardioverter-defibrillator is also disclosed as well as a kit for conducting the method. | 02-20-2014 |
20140067001 | Kits And Methods For Retrofitting And Adapting Common Notebook Computers, Laptop Computers, And Tablet Computers, To Enable Each To Be Used As An Automated External Defibrillator (AED), And As A Manual Defibrillator - A notebook, laptop computer or tablet computer having an automated external defibrillator (AED) capability, and methods of utilizing the notebook, laptop computer or tablet computer defibrillator to treat victims of sudden cardiac arrest. Kits and methods for converting, adapting or retrofitting a common notebook, laptop computer and tablet computer to enable each to be used as an AED to treat victims of sudden cardiac arrest. A kit including an adjustable case for receiving, encompassing, adapting and converting a common notebook, laptop computer or tablet computer to enable each to be used as an AED. A kit including a slave automated external defibrillator (AED) that is joined to a common notebook, laptop computer or tablet computer to adapt, convert and enable each to be used as an AED. | 03-06-2014 |
20140088659 | THERAPY DELIVERY METHOD AND SYSTEM FOR IMPLANTABLE MEDICAL DEVICES - The disclosure relates to an apparatus and method for inducing ventricular fibrillation in a patient to facilitate defibrillation threshold testing. The apparatus includes a plurality of output capacitors that are dynamically configurable in a selected stacking arrangement that facilitates delivery of energy for inducing the ventricular fibrillation. An output of the apparatus is coupled to patient electrodes and a threshold energy level delivered by the output capacitors is determined | 03-27-2014 |
20140088660 | WEARABLE CARDIAC DEFIBRILLATOR SYSTEM WITH ANTI-BRADYARRHYTHMIA PACING & METHODS - In one embodiment, a wearable defibrillation system may sense whether its wearer meets an unconscious bradyarrhythmia condition that can be associated with becoming unconscious. Even though such a condition might not be helped with a defibrillation pulse, the wearable-defibrillation system may still administer pacing pulses to prevent the bradycardia from becoming worse, such as a sudden cardiac arrest. In some embodiments, the pacing pulses are administered at a frequency too slow for the patient to regain consciousness. An advantage is that, because the patient remains unconscious, he does not experience the sometimes severe discomfort due to the pacing pulses. | 03-27-2014 |
20140094867 | DEFIBRILLATOR WITH SYNC MODE ASSISTING SELECTION OF FEATURE TO LOCK-ON - An external defibrillator, such as a wearable defibrillator can have a heart rhythm detector to detect the heart rhythm of a patient. The defibrillator can also have a synchronous shock operating mode and an asynchronous shock operating mode. A controller can set the defibrillator in the synchronous shock operating mode or the asynchronous shock operating mode. The defibrillator can also include a shock module to cause the defibrillator to deliver shock therapy to the patient according to the operating mode of the defibrillator and a sync module configured to identify a first portion of the heart rhythm detected from a first ECG lead with which to time the delivery of the shock therapy to the patient when the operating mode of the defibrillator is in synchronous shock operating mode. A comparator module can compare timing of a QRS complex detected from the first ECG lead with the timing of the QRS complex detected by the second EGG lead. | 04-03-2014 |
20140094868 | METHODS AND DEVICES FOR ACCURATELY CLASSIFYING CARDIAC ACTIVITY - Methods, systems, and devices for signal analysis in an implanted cardiac monitoring and treatment device such as an implantable cardioverter defibrillator. In illustrative examples, captured data including detected events is analyzed to identify likely overdetection of cardiac events. In some illustrative examples, when overdetection is identified, data may be modified to correct for overdetection, to reduce the impact of overdetection, or to ignore overdetected data. New methods for organizing the use of morphology and rate analysis in an overall architecture for rhythm classification and cardiac signal analysis are also discussed. | 04-03-2014 |
20140100623 | METHOD AND APPARATUS FOR ARRHYTHMIA DETECTION IN A MEDICAL DEVICE - A method and device for detecting arrhythmias in a patient that includes electrodes positioned subcutaneously within the patient, a microprocessor, coupled to the electrodes, determining one of a sequence of the sensing of cardiac signals by the electrodes and a duration between the sensing of cardiac signals by the electrodes, and control circuitry delivering a therapy in response to one of the determined sequence and the determined duration. | 04-10-2014 |
20140107718 | AUTOMATED EXTERNAL DEFIBRILLATOR ATTACHMENT FOR ELECTRONIC DEVICE - An automated defibrillator attachment for an electronic device such as a smart phone includes an electronics module, at least two electrodes, and a connector. The at least two electrodes extend from the electronics module for connecting to a patient. The connector extends from the electronics module for coupling to at least one receptacle of the electronics device. The at least two electrodes provide at least one electrical shock to the patient that is supplied from an energy source of the electronic device. Other embodiments include an energy storage element to supply the at least one electrical shock. | 04-17-2014 |
20140135861 | SYSTEMS AND METHODS FOR PROVIDING ARRHYTHMIA THERAPY IN MRI ENVIRONMENTS - Systems and methods for arrhythmia therapy in MRI environments are disclosed. Various systems disclosed utilize ATP therapy rather than ventricular shocks when patients are subjected to electromagnetic fields in an MRI scanner bore and shock therapy is not available. As the patient is moved out from within the scanner bore and away from the MRI scanner, the magnetic fields diminish in strength eventually allowing a high voltage capacitor within the IMD to charge if necessary. The system may detect when the electromagnetic fields no longer interfere with the shock therapy and will transition the IMD back to a normal operational mode where shock therapy can be delivered. Then, if the arrhythmia still exists, the system will carry out all of the system's prescribed operations, including the delivery of electric shocks to treat the arrhythmia. | 05-15-2014 |
20140142647 | DEFIBRILLATOR PATIENT MONITORING POD - A patient parameter monitoring pod in embodiments of the teachings may include one or more of the following features: (a) portable housing containing a power supply, (b) a patient parameter module connectable to a patient via lead cables to collect patient data, the patient data including at least one vital sign, (c) a transceiver adapted to wirelessly transmit the patient data to a defibrillator, (d) a data port adapted to supply the patient data via a direct electrical connection to the defibrillator, and (e) a carrying handle extending from the housing proximate a patient lead cable port that permits connection of the lead cables to the pod, the carrying handle positioned to protect the patient lead cable port and the patient lead cables attached to the port from direct impact. | 05-22-2014 |
20140142648 | MODULAR ANTITACHYARRHYTHMIA THERAPY SYSTEM - This document discusses, among other things, a modular antitachyarrhythmia therapy system. In an example, a modular antitachyarrhythmia system includes at least two separate modules that coordinate delivery an antitachyarrhythmia therapy, such as a defibrillation therapy. In another example, a modular antitachyarrhythmia therapy system includes a sensing module, an analysis module, and a therapy module. | 05-22-2014 |
20140163630 | COORDINATED MEDIUM VOLTAGE THERAPY FOR IMPROVING EFFECTIVENESS OF DEFIBRILLATION THERAPY - Automated treatment of arrhythmia utilizing an electrotherapy device. Time-coordinated applications of medium-voltage therapy (MVT) followed by high-voltage therapy (HVT) include a first MVT waveform to a first target region and a second MVT waveform to a second target region, such that the HVT is synchronized relative to a first compression cycle corresponding to activation of the first target region, and to a second compression cycle corresponding to activation of the second target region resulting from the administration of the MVT. | 06-12-2014 |
20140172032 | DATA MANIPULATION FOLLOWING DELIVERY OF A CARDIAC STIMULUS IN AN IMPLANTABLE CARDIAC STIMULUS DEVICE - Methods of cardiac rhythm analysis in an implantable cardiac stimulus device, and devices configured for such methods. In an illustrative embodiment, certain data relating to cardiac event rate or amplitude is modified following delivery of a cardiac stimulus. In another embodiment, cardiac rhythm analysis is performed using one of plural states, with the plural states using different criteria, such as a detection threshold, to detect cardiac events in a sensed signal. Following delivery of a cardiac stimulus, data is manipulated to force the analysis into one of the states, where stimulus is delivered, in the illustrative embodiment, only after a different state is invoked. Implantable devices incorporating operational circuitry for performing such methods are also included in other illustrative embodiments. | 06-19-2014 |
20140194940 | HEART STIMULATION DEVICE AND RESPECTIVE CONTROL SYSTEM - Pacemaker for the stimulation of the human heart having three electrodes or two electrodes, with the first electrode connected to the right atrium, the second electrode connected to the right ventricle and the third electrode connected to the said right ventricle. The pacemaker is programmed so that there is first stimulation of the right atrium by means of the first electrode, then there is second stimulation of the right ventricle by means of the second electrode with an interval function of the programmed AV delay (50-400 msec) and with a voltage not exceeding 80-90% of the threshold potential, and finally there is third stimulation, again of the right ventricle by means of the third electrode with a voltage that conforms with Safety Margin rules and at a second stimulation time interval comprised between 50 msec and 300 msec. | 07-10-2014 |
20140207202 | Apparatus and Method for the Detection and Treatment of Atrial Fibrillation - Embodiments of the invention provide methods for the detection and treatment of atrial fibrillation (AF) and related conditions. One embodiment provides a method comprising measuring electrical activity of the heart using electrodes arranged on the heart surface to define an area for detecting aberrant electrical activity (AEA) and then using the measured electrical activity (MEA) to detect foci of AEA causing AF. A pacing signal may then be sent to the foci to prevent AF onset. Atrial wall motion characteristics (WMC) may be sensed using an accelerometer placed on the heart and used with MEA to detect AF. The WMC may be used to monitor effectiveness of the pacing signal in preventing AF and/or returning the heart to normal sinus rhythm (NSR). Also, upon AF detection, a cardioversion signal may be sent to the atria using the electrodes to depolorize an atrial area causing AF and return the heart to NSR. | 07-24-2014 |
20140207203 | NEURAL STIMULATION SYSTEMS, DEVICES AND METHODS - Various system embodiments comprise circuitry to determine when an arrhythmia has terminated, and a neural stimulator adapted to temporarily deliver neural stimulation therapy to assist with recovering from the arrhythmia in response to termination of the arrhythmia. | 07-24-2014 |
20140207204 | PREDICTION AND MONITORING OF CLINICAL EPISODES - Apparatus and methods are described, including a method for treating a clinical episode. The method comprises sensing at least one parameter of a subject without contacting or viewing the subject or clothes the subject is wearing, analyzing the parameter, detecting the clinical episode at least in part responsively to the analysis, and responsively to detecting the clinical episode, treating the clinical episode using a device implanted in the subject. Other applications are also described. | 07-24-2014 |
20140222097 | APPARATUS AND METHOD FOR IDENTIFYING ATRIAL ARRHYTHMIA BY FAR-FIELD SENSING - In a subcutaneous implantable cardioverter/defibrillator, cardiac arrhythmias are detected to determine necessary therapeutic action. Cardiac signal information is sensed from far field electrodes implanted in a patient. The sensed cardiac signal information is then amplified and filtered. Parameters such as rate, QRS pulse width, cardiac QRS slew rate, amplitude and stability measures of these parameters from the filtered cardiac signal information are measured, processed and integrated to determine if the cardioverter/defibrillator needs to initiate therapeutic action. | 08-07-2014 |
20140257421 | METHODS AND DEVICES IMPLEMENTING DUAL CRITERIA FOR ARRHYTHMIA DETECTION - Methods and devices providing multiple criteria for use in arrhythmia identification. Based on inputs including defined rules or parameters, one of a more conservative or more aggressive set of arrhythmia identification parameters can be selected. One or the other of the selectable sets of arrhythmia identification parameters may also be adaptive or modifiable during the use of the system, for example, in response to identified nonsustained episodes, the more conservative set of arrhythmia identification parameters can be modified to become still more conservative. Such modification of arrhythmia identification criteria allows reduced time to therapy when indicated, while allowing more deliberate decisions in other circumstances. | 09-11-2014 |
20140277226 | EXTERNALLY-SECURED MEDICAL DEVICE - Certain embodiments of the present disclosure provide an externally-secured medical device (ESMD) configured to be securely affixed to skin of a patient. The ESMD may include at least one pad configured to be directly secured to the skin of the patient. The pad(s) may include at least one electrode configured to direct therapeutic energy into the skin of the patient toward an internal organ. An adhesion component is provided on a patient-engaging surface of the at least one pad configured to securely affix the at least one pad in a persistent and enduring manner to the skin of the patient. The at least one pad is directly secured to the skin of the patient through the adhesion component. | 09-18-2014 |
20140277227 | MEDICAL MONITOR-DEFIBRILLATOR WITH DEFIBRILLATOR AND DATA OPERATIONS PROCESSORS - A defibrillator is provided with two processors for enhancing the defibrillation process. A first processor is dedicated to controlling when an electrical charge is applied to a patient. A second processor is dedicated to data operations for enhancing the coaching of the defibrillation process. The second data processor is in communication with one or more external devices for transmission and receipt of network data for further enhancing the coaching process. The second data processor allows both the defibrillator to be maintained with updated network data and software and the one or more external devices to be maintained with updated defibrillator data. Independent controllers provide multiple processing paths on critical charge and coaching functions; with the second data processor further providing redundancy control in the event of any malfunction of the first charge processor. | 09-18-2014 |
20140277228 | TREATMENT GUIDANCE BASED ON VICTIM CIRCULATORY STATUS AND PRIOR SHOCK OUTCOME - A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; and a patient treatment module executable on one or more computer processors to identify a phase in which a patient being monitored by the system is in relative to a time at which an adverse cardiac event for patient began. | 09-18-2014 |
20140296931 | WEARABLE DEFIBRILLATOR WITH NO LONG-TERM ECG MONITORING - A wearable defibrillator system includes a support structure with one or more electrodes in an unbiased state. A monitoring device monitors, for the long term, a parameter of the person that is not the person's ECG; rather, the monitored parameter can be the person's motion, a physiological parameter, or both. When a value of the monitored parameter reaches a threshold, such as when the person is having an actionable episode, the electrode becomes mechanically biased against the person's body, for making good electrical contact. Then, if necessary, the person can be given electrical therapy, such as defibrillation. As such, the electrodes of the wearable defibrillator system can be worn loosely for the long term, without making good electrical contact. This can reduce the person's aversion to wearing the defibrillation system. | 10-02-2014 |
20140303680 | WEARABLE MEDICAL TREATMENT DEVICE - A wearable treatment device includes a cardiac sensing electrode, a treatment electrode, a user interface, and a sensor. The cardiac sensing electrode detects cardiac information, and the treatment electrode applies treatment to a subject. The user interface receives quality of life information from the subject, and the sensor detects subject activity and wellness information. A controller coupled with the cardiac sensing electrode, the treatment electrode, the user interface, and the sensor receives the detected cardiac information, the quality of life information, and the detected subject activity and wellness information, and determines that treatment is to be applied to the body of the subject based upon the detected cardiac to information. The controller can adjust the treatment based on at least one of the detected subject activity and wellness information and the quality of life information. | 10-09-2014 |
20140324111 | DEFIBRILLATION SYSTEM AND METHOD AND DEFIBRILLATOR ELECTRODE DEVICE - A defibrillation system includes an electrode set to contact a biological subject, and a portable electronic device supporting mobile wireless communications and coupled to the electrode set. The portable electronic device includes a processor and a memory unit. The memory unit stores program instructions which, when executed by the processor, enables the processor to obtain an electro-cardiac signal of the biological subject through the electrode set, and output a discharge command according to the electro-cardiac signal for delivering an electrical shock to the biological subject through the electrode set. | 10-30-2014 |
20140324112 | WEARABLE DEFIBRILLATOR WITH AUDIO INPUT/OUTPUT - A wearable defibrillator and method of monitoring the condition of a patient. The wearable defibrillator includes at least one therapy pad, at least one sensor and at least one processing unit operatively connected to the one or more therapy pads and the one or more sensors. The wearable defibrillator also includes at least one audio device operatively connected to the one or more processing units. The one or more audio devices are configured to receive audio input from a patient. | 10-30-2014 |
20140350618 | VECTOR SWITCHING IN AN IMPLANTABLE CARDIAC STIMULUS SYSTEM - The implantable cardiac treatment system of the present invention is capable of choosing the most appropriate electrode vector to sense within a particular patient. In certain embodiments, the implantable cardiac treatment system determines the most appropriate electrode vector for continuous sensing based on which electrode vector results in the greatest signal amplitude, or some other useful metric such as signal-to-noise ratio (SNR). The electrode vector possessing the highest quality as measured using the metric is then set as the default electrode vector for sensing. Additionally, in certain embodiments of the present invention, a next alternative electrode vector is selected based on being generally orthogonal to the default electrode vector. In yet other embodiments of the present invention, the next alternative electrode vector is selected based on possessing the next highest quality metric after the default electrode vector. In some embodiments, if analysis of the default vector is ambiguous, the next alternative electrode vector is analyzed to reduce ambiguity. | 11-27-2014 |
20140350619 | SYSTEM AND METHOD FOR DETECTION ENHANCEMENT PROGRAMMING - A system and method of enabling detection enhancements selected from a plurality of detection enhancements. In a system having a plurality of clinical rhythms, including a first clinical rhythm, where each of the detection enhancements is associated with the clinical rhythms, the first clinical rhythm is selected. The first clinical rhythm is associated with first and second detection enhancements. When the first clinical rhythm is selected, parameters of the first and second detection enhancements are set automatically. A determination is made as to whether changes are to be made to the parameters. If so, one or more of the parameters are modified under user control. | 11-27-2014 |
20140350620 | IDENTIFY INSULATION BREACH USING ELECTROGRAMS - An implantable medical device capable of sensing cardiac signals and delivering cardiac electrical stimulation therapies is enabled to detect a short circuit event. A signal is sensed by a sensing module coupled to electrodes. A controller detects a short circuit event in response to a slope of the sensed signal exceeding a short circuit threshold. | 11-27-2014 |
20140350621 | IDENTIFY INSULATION BREACH USING ELECTROGRAMS - An implantable medical device capable of sensing cardiac signals and delivering cardiac electrical stimulation therapies is enabled to detect a short circuit of a medical electrical lead. A physiological signal correlated to a motion of a patient is sensed via a physiological sensor. If a lead monitoring condition is met based on the physiological signal, a cardiac signal is acquired and analyzed to detect an abnormality. The short circuit of the medical electrical lead is detected in response to detecting the abnormality. | 11-27-2014 |
20140379042 | Determination for Effective Defibrillation - A method for managing care of a person receiving emergency cardiac is disclosed and involves monitoring, with an external defibrillator, multiple parameters of the person receiving emergency cardiac assistance; determining from at least one of the parameters, an indication of trans-thoracic impedance of the person receiving emergency cardiac care; determining, from at least one of the parameters corresponding to an electrocardiogram of the person receiving emergency cardiac assistance, an initial indication of likely shock effectiveness; determining, as a function of at least the indication of trans-thoracic impedance and the initial indication of likely shock effectiveness, an indication of whether a shock provided to the person receiving emergency medical assistance will be effective; and affecting control of the defibrillator by a caregiver as a result of determining the indication of whether a shock will be effective. | 12-25-2014 |
20150018894 | DEFIBRILLATOR/MONITOR SYSTEM HAVING A POD WITH LEADS CAPABLE OF WIRELESSLY COMMUNICATING - A modular external defibrillator system in embodiments of the teachings may include one or more of the following features: a base containing a defibrillator to deliver a defibrillation shock to a patient, (b) one or more pods each connectable to a patient via patient lead cables to collect at least one patient vital sign, the pods operable at a distance from the base, (c) a wireless communications link between the base and a selected one of the two or more pods to carry the at least one vital sign from the selected pod to the base, the selection being based on which pod is associated with the base. | 01-15-2015 |
20150039042 | Indicators on a Wearable Medical Therapy Device - A medical therapy device comprises: a housing; a controller positioned within the housing for monitoring a condition of a patient based on a signal received from at least one sensor associated with the patient and initiating a treatment based on the condition of the patient; and at least one indication mechanism provided on the housing and configured to provide an indication to the patient of at least one condition of at least one of the medical therapy device, the at least one sensor, and the patient. The at least one indication mechanism is visible without manipulation of the housing of the medical therapy device. | 02-05-2015 |
20150039043 | SUBCUTANEOUS CARDIAC SENSING AND STIMULATION SYSTEM - Cardiac systems and methods using ECG and blood information for arrhythmia detection and discrimination. Detection circuitry is configured to produce an ECG. An implantable blood sensor configured to produce a blood sensor signal is coupled to a processor. The processor is coupled to the detection and energy delivery circuitry, and used to evaluate and treat cardiac rhythms using both the cardiac electrophysiologic and blood sensor signals. The blood sensor is configured for subcutaneous non-intrathoracic placement and provided in or on the housing, on a lead coupled to the housing, and/or separate to the housing and coupled to the processor via hardwire or wireless link. The blood sensor may be configured for optical sensing, using a blood oxygen saturation sensor or pulse oximeter. A cardiac rhythm may be evaluated using the electrocardiogram signal and the blood sensor signal, and tachyarrhythmias may be treated after confirmation using the blood sense signal. | 02-05-2015 |
20150134021 | THERAPY DELIVERY METHOD AND SYSTEM FOR IMPLANTABLE MEDICAL DEVICES - Recent advancements in power electronics technology have provided opportunities for enhancements to circuits of implantable medical devices. The enhancements have contributed to increasing circuit miniaturization and an increased efficiency in the operation of the implantable medical devices. The therapy delivery circuits and techniques of the disclosure facilitate generation of a therapy stimulation waveform that may be shaped based on the patient's physiological response to the stimulation waveform. The generated therapy stimulation waveforms include a stepped leading-edge that may be shaped having a varying slope and varying amplitudes associated with each of the segments of the slope. Unlike the truncated exponential waveform delivered by the conventional therapy delivery circuit which is based on the behavior of the output capacitors (i.e., i=C(dV/dt)), the stimulation waveform of the present disclosure may be dynamically shaped as a function of an individual patient's response. The dynamically shaped therapy stimulation waveforms facilitate achieving lower capture thresholds which reduces the device's supply consumption thereby increasing longevity of the device and facilitate a reduction of tissue damage. | 05-14-2015 |
20150148857 | WEARABLE DEFIBRILLATOR WITH AUDIO INPUT/OUTPUT - A wearable device and method of monitoring the condition of a patient. The wearable device includes at least one sensor and at least one processor operatively connected to the at least one sensor. The wearable device also includes an operator interface device operatively connected to the at least one processor. The at least one processor causes the device to allow for customization of at least one output message to be delivered via the operator interface device. | 05-28-2015 |
20150148858 | FLEXIBLE THERAPY ELECTRODE SYSTEM - An electrode assembly includes a first surface to be placed adjacent a person's skin and a second surface including a plurality of reservoirs of conductive gel. The plurality of reservoirs of conductive gel are disposed on sections of the electrode assembly that are at least partially physically separated and may move at least partially independently of one another to conform to contours of a body of a patient. The electrode assembly is configured to dispense an amount of the electrically conductive gel onto the first surface in response to an activation signal and to provide for a defibrillating shock to be applied to the patient through the amount of the electrically conductive gel. | 05-28-2015 |
20150290468 | METHOD AND APPARATUS FOR DISCRIMINATING TACHYCARDIA EVENTS IN A MEDICAL DEVICE USING TWO SENSING VECTORS - A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector sensing a first interval of the cardiac signal during a predetermined time period and a second sensing vector simultaneously sensing a second interval of the cardiac signal during the predetermined time period, identifying each of the first interval and the second interval as being one of shockable and not shockable in response to first processing of the first interval and the second interval and in response to second processing of one or both of the first interval and the second interval, the second processing being different from the first processing, and determining whether to deliver therapy for the cardiac event in response to identifying each of the first interval and the second interval as being one of shockable and not shockable in response to both the first processing and the second processing of the first interval and the second interval. | 10-15-2015 |
20150297907 | METHOD AND APPARATUS FOR VERIFYING DISCRIMINATING OF TACHYCARDIA EVENTS IN A MEDICAL DEVICE HAVING DUAL SENSING VECTORS - A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector sensing a first interval and a second sensing vector simultaneously sensing a second, determining, for each of the first interval and the second interval, whether each beat of the plurality of beats is one of a match beat and a non-match beat, determining whether each beat of the plurality of beats is one of a high confidence beat and a low confidence beat, determining, for each of the first interval and the second interval, the number of beats determined to be both a non-match beat and a high confidence beat is greater than a non-match threshold, and determining whether to deliver therapy for the cardiac event in response to identifying of each of the first interval and the second interval as being one of shockable and not shockable. | 10-22-2015 |
20150306377 | PORTABLE CARDIAC DEFIBRILLATORS WITH SUBCUTANEOUS ELECTRODES AND ASSOCIATED SYSTEMS AND METHODS - The present disclosure is directed to portable cardiac defibrillators with subcutaneous electrodes and associated systems and methods. In one embodiment, a portable external cardiac defibrillator system for treating a human patient can include a first electrode, a second electrode, and an electrical pulse generator external to the human patient and operably coupled to the first and second electrodes. The first and second electrodes can be configured to be external to the human patient and implanted subcutaneously in the human patient during a cardiac emergency. The electrical pulse generator can be configured to deliver an electrical shock to the human patient via the first and second electrodes while the first and second electrodes are subcutaneously implanted to provide internal defibrillation to the human patient. | 10-29-2015 |
20150306406 | THERAPY DELIVERY METHODS AND CIRCUITS FOR AN IMPLANTABLE MEDICAL DEVICE - Apparatus and methods for generating an induction waveform for performing threshold testing in an implantable medical device are disclosed. Such tests may be performed during the implant procedure, or during a device checkup procedure, or routinely during the lifetime of the device. The threshold test may include induction of an arrhythmia (such as ventricular fibrillation) followed by delivery of therapy at various progressively-increasing stimulation parameters to terminate the arrhythmia. As such, the capability to induce fibrillation within the device is desired. Induction of the arrhythmias may be accomplished via delivery of a relatively low energy shock or through delivery of an induction stimulation pulse to the cardiac tissue timed concurrently with the vulnerable period of the cardiac cycle. | 10-29-2015 |
20150306409 | DEFIBRILLATION APPARATUS FOR WIRELESS DATA EXCHANGE WITH A PATIENT MONITORING APPARATUS - A defibrillator ( | 10-29-2015 |
20150328472 | WEARABLE CARDIOVERTER DEFIBRILLATOR COMPONENTS DISCARDING ECG SIGNALS PRIOR TO MAKING SHOCK/NO SHOCK DETERMINATION - Components of wearable cardiac defibrillator (WCD) systems, software, and methods are provided. A WCD system includes a support structure that a patient can wear and electrodes that can capture at least two of the patient's ECG signals. A component includes an energy storage module that can store an electrical charge, a discharge circuit, and a processor that can make a shock/no shock determination, and cause the discharge circuit to discharge the stored charge, if the determination is to shock. In some embodiments, the processor discards at least one of the ECG signals prior to making the shock/no shock determination. The determination can be made from the remaining one or more ECG signals. In some embodiments, the processor makes an aggregate shock/no shock determination from two or more of the ECG signals. | 11-19-2015 |
20150352368 | ELECTROCARDIOGRAM IDENTIFICATION - A defibrillating system includes a processor coupled to a memory. The processor and the memory are configured to identify a treatment event associated with treatment of a victim with the defibrillating system, and transmit a representation of a portion of an ECG signal associated with the identified treatment event. In some cases, the processor and the memory are configured to identify the portion of the ECG signal associated with the identified treatment event. In some cases, the portion of the ECG signal is of a predetermined length of time having a start time and an end time based on a time associated with the identified treatment event. | 12-10-2015 |
20150352369 | SELECTING ENERGY ESCALATION FOR DEFIBRILLATION - In an aspect, a system for treating a patient in cardiac arrest is described and includes memory, one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) of the patient, one or more sensors for obtaining a transthoracic impedance of the patient, and a patient treatment module executable on one or more processing devices that is configured to generate, from the ECG, transform values that represent magnitudes of two or more frequency components of the ECG, and modify, based on at least one transform value, at least one shock delivery parameter. | 12-10-2015 |
20150367138 | COORDINATED MEDIUM VOLTAGE THERAPY FOR IMPROVING EFFECTIVENESS OF DEFIBRILLATION THERAPY - Automated treatment of arrhythmia utilizing an electrotherapy device. Time-coordinated applications of medium-voltage therapy (MVT) followed by high-voltage therapy (HVT) include a first MVT waveform to a first target region and a second MVT waveform to a second target region, such that the HVT is synchronized relative to a first compression cycle corresponding to activation of the first target region, and to a second compression cycle corresponding to activation of the second target region resulting from the administration of the MVT. | 12-24-2015 |
20150367139 | Method for Low-Voltage Termination of Cardiac Arrhythmias by Effectively Unpinning Anatomical Reentries - A method for extinguishing a cardiac arrhythmia utilizes destructive interference of the passing of the reentry wave tip of an anatomical reentry through a depolarized region created by a relatively low voltage electric field in such a way as to effectively unpin the anatomical reentry. Preferably, the relatively low voltage electric field is defined by at least one unpinning shock(s) that are lower than an expected lower limit of vulnerability as established, for example, by a defibrillation threshold test. By understanding the physics of the electric field distribution between cardiac cells, the method permits the delivery of an electric field sufficient to unpin the core of the anatomical reentry, whether the precise or estimated location of the reentry is known or unknown and without the risk of inducting ventricular fibrillation. A number of embodiments for performing the method are disclosed. | 12-24-2015 |
20160001089 | METHODS AND DEVICES IMPLEMENTING DUAL CRITERIA FOR ARRHYTHMIA DETECTION - Methods and devices providing multiple criteria for use in arrhythmia identification. Based on inputs including defined rules or parameters, one of a more conservative or more aggressive set of arrhythmia identification parameters can be selected. One or the other of the selectable sets of arrhythmia identification parameters may also be adaptive or modifiable during the use of the system, for example, in response to identified nonsustained episodes, the more conservative set of arrhythmia identification parameters can be modified to become still more conservative. Such modification of arrhythmia identification criteria allows reduced time to therapy when indicated, while allowing more deliberate decisions in other circumstances. | 01-07-2016 |
20160015991 | METHOD AND APPARATUS FOR SCORING THE RELIABILITY OF SHOCK ADVISORY DURING CARDIOPULMONARY RESUSCITATION - A method, system and device to detect and use clean ECG segments, which do not need filtering to remove artifact or CPR-induced noise, is described to provide a reliability score for the decision made by shock advisory algorithms. The method can be implemented in a system and/or device that is provided with a display for indicating to a user the relative quality of the determination of an electrotherapy analysis circuit. | 01-21-2016 |
20160034644 | MONITOR/DEFIBRILLATOR WITH BARCODE READER OR OPTICAL CHARACTER READER - A monitor/defibrillator ( | 02-04-2016 |
20160045752 | ELECTROGARDIOGRAM MONITORING - Devices, systems, and methods are disclosed that identify a type of cable coupled to a receptacle of a defibrillator and that activate one or both of an ECG monitoring module and an energy storage circuit based at least in part on the identified cable type. The cable-type identification may allow a defibrillator to, for example, operate in either or both of an ECG monitoring mode and/or a therapy mode, based on the type of cable that is coupled to the defibrillator. The disclosed devices, systems, and methods can monitor an ECG of a patient and deliver defibrillation therapy to the patient, depending on the type of cable coupled to the defibrillator and/or the type of detected ECG signal of the patient. | 02-18-2016 |
20160082275 | ADAPTIVE MEDIUM VOLTAGE THERAPY FOR CARDIAC ARRHYTHMIAS - Aspects of the invention are directed to advanced monitoring and control of medium voltage therapy (MVT) in implantable and external devices. Apparatus and methods are disclosed that facilitate dynamic adjustment of MVT parameter values in response to new and changing circumstances such as the patient's condition before, during, and after administration of MVT. Administration of MVT is automatically and dynamically adjusted to achieve specific treatment or life-support objectives, such as prolongation of the body's ability to endure and respond to MVT, specifically addressing the type of arrhythmia or other pathologic state of the patient with targeted treatment, a tiered-intensity MVT treatment strategy, and supporting patients in non life-critical conditions where the heart may nevertheless benefit from a certain level of assistance. | 03-24-2016 |
20160082278 | Windowing for Identifying Shock Outcome - A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ECG) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) a mathematical transform from a time domain to a frequency domain applied to the indication of the ECG, and (b) a tapered window for identifying the portion of the indications of the ECG on which the transform is performed. | 03-24-2016 |
20160106978 | Coordinated Resuscitation Perfusion Support - A system is provided that is configured to promote sternocostal inhalation for a patient. The system includes: at least one anodal electrode; at least one first cathodal electrode configured to be located above a first set of muscles, which attach to some portion of the patient's ribs; and at least one second cathodal electrode configured to be located above a second set of muscles. The system also includes a controller programmed to: cause the anodal electrode and the first cathodal electrode to electrically stimulate the first set of muscles and cause the anodal electrode and the second cathodal electrode to electrically stimulate the second set of muscles. Stimulation of the first set of muscles and/or the second set of muscles causes contraction of the second set of muscles resulting in an opposing motion of a spine of the patient. | 04-21-2016 |
20160121132 | SYNCHRONIZED CARDIOVERSION MIXED MODE OPERATION AND TIMING VERIFICATION - A defibrillator system employs an external ECG monitor ( | 05-05-2016 |
20160121133 | MEDICAL MONITOR-DEFIBRILLATOR WITH DEFIBRILLATOR AND DATA OPERATIONS PROCESSORS - A defibrillator is provided with two processors for enhancing the defibrillation process. A first processor is dedicated to controlling when an electrical charge is applied to a patient. A second processor is dedicated to data operations for enhancing the coaching of the defibrillation process. The second data processor is in communication with one or more external devices for transmission and receipt of network data for further enhancing the coaching process. The second data processor allows both the defibrillator to be maintained with updated network data and software and the one or more external devices to be maintained with updated defibrillator data. Independent controllers provide multiple processing paths on critical charge and coaching functions; with the second data processor further providing redundancy control in the event of any malfunction of the first charge processor. | 05-05-2016 |
20160136447 | AUTOMATIC DEFIBRILLATION OPERATION FOR A DEFIBRILLATOR - A defibrillator ( | 05-19-2016 |
20160144195 | AUTOMATIC EXTERNAL DEFIBRILLATOR WITH INCREASED CPR ADMINISTRATION TIME - An automated external defibrillator (AED) is described which spends an increased proportion of a rescue in a CPR mode. This is accomplished by use of a single shock protocol which causes the AED to spend less time in shock analysis and delivery activities as compared with the typical multiple shock protocol. An AED of the present invention preferably is configured such that the rescue protocol can be modified or changed easily without the need to remove the battery or use specialized hardware or software. Preferably the shock waveform of the single shock is a biphasic waveform delivering at least 150 Joules of energy and more preferably at least 200 Joules of energy. | 05-26-2016 |
20160175604 | DEFIBRILLATOR WITH OVERRIDABLE CPR-FIRST PROTOCOL | 06-23-2016 |
20160250483 | Systems And Methods For Implantable Medical Device Communication | 09-01-2016 |
20160250487 | Device and Method for Controlling an Implanted Medical Device | 09-01-2016 |
20160250492 | MOTION ACTUATED AED COMMUNICATOR | 09-01-2016 |
20180021590 | ACCURATE CARDIAC EVENT DETECTION IN AN IMPLANTABLE CARDIAC STIMULUS DEVICE | 01-25-2018 |
20190143131 | WEARABLE CARDIOVERTER DEFIBRILLATOR (WCD) SYSTEM HAVING WCD MODE AND ALSO AED MODE | 05-16-2019 |
20190143134 | TRANSMITTING TREATMENT INFORMATION | 05-16-2019 |