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| Number | Title | Issue Date |
| 8185204 | Implantable medical device telemetry with adaptive frequency hopping A far-field radio-frequency (RF) telemetry system transmits data between an implantable medical device and an external system using an active channel selected from a plurality of channels each representing a frequency band within a predetermined frequency range. One... | 05/22/2012 |
| 8185203 | 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 o... | 05/22/2012 |
| 8185202 | Implantable cardiac device for reduced phrenic nerve stimulation Methods and devices for reducing phrenic nerve stimulation of cardiac pacing systems involve delivering a pacing pulse to a ventricle of a heart. A transthoracic impedance signal is sensed, and a deviation in the signal resulting from the pacing pulse may be used to... | 05/22/2012 |
| 8185201 | Apparatus and methods for calculating caloric expenditure using posture Systems and methods for estimating caloric expenditure. The systems can include a physiological sensor to measure a patient's physical activity, and a posture sensor to measure the patient's posture. An estimated caloric expenditure can be calculated based on data f... | 05/22/2012 |
| 8185200 | Disable for atrioventricular delay adjustment An apparatus comprises an electrical stimulation circuit, a ventricular sensing circuit, a ventricular sensing timer, and an atrial pacing timer. The ventricular sensing circuit detects an intrinsic ventricular tachyarrhythmia depolarization. The ventricular sensing... | 05/22/2012 |
| 8185195 | Arrhythmia classification and therapy selection Different types of cardiac arrhythmia are classified based on the morphology of the arrhythmic beats. Cardiac beats associated with an arrhythmic episode are compared to a plurality of representative beat morphologies, each representative beat morphology characteriz... | 05/22/2012 |
| 8175724 | Vascular fixation device In one embodiment, the present invention provides a cardiac lead device including a fixation mechanism slidably attached to the lead such that when the fixation mechanism is expanded in to contact with a body lumen, the lead may be moved relative to the fixation mec... | 05/08/2012 |
| 8175705 | System and method for sustained baroreflex stimulation Various aspects of the present subject matter provide an implantable medical device. In various embodiments, the device comprises a baroreflex stimulator and a controller. The baroreflex stimulator is adapted to generate a stimulation signal to stimulate a barorefle... | 05/08/2012 |
| 8175703 | Cardiac resynchronization therapy parameter optimization Systems and methods involve determination of CRT parameters using a number of CRT optimization processes. Each CRT optimization process attempts to return recommended parameters. The CRT parameters are determined based on the recommended parameters returned by one o... | 05/08/2012 |
| 8175701 | System and method for testing neural stimulation threshold Various system embodiments comprise a neural stimulator, a premature ventricular contraction (PVC) event detector, a heart rate detector, an analyzer, and a controller. The neural stimulator is adapted to generate a stimulation signal adapted to stimulate an autonom... | 05/08/2012 |
| 8174818 | Method for a capacitor with a flexible interconnect The present subject matter includes a first capacitor stack including a first plurality of anode layers and a first plurality of cathode layers and a second capacitor stack including a second plurality of anode layers and a second plurality of cathode layers. In var... | 05/08/2012 |
| 8174460 | Variable antenna matching network for an implantable antenna An implantable medical device can include an implantable antenna for communication with external devices or other internal devices. Changes in the patient's body position, weight, composition or other factors may change the efficiency of the implantable antenna and ... | 05/08/2012 |
| 8170688 | RF rejecting lead A lead assembly for an implantable medical device includes a lead body having a first portion adapted for coupling to a pulse generator and a second portion adapted for implantation. First and second co-radial conductive coils are electrically isolated from each oth... | 05/01/2012 |
| 8170680 | Implantable multi-length RF antenna A system and method for wirelessly transferring information electromagnetically at a specified first operating frequency range in a first medium and at a specified second operating frequency range in a second medium using an implantable multi-length antenna. The imp... | 05/01/2012 |
| 8170670 | System and method for recovering from transient faults in an implantable medical device A system and method is disclosed for system fault recovery by an implantable medical device which employs a global fault response. The system enables the device to consistently recover from transient faults while maintaining a history of the reason for the device fa... | 05/01/2012 |
| 8170669 | Method and apparatus for concurrent atrio-ventricular anti-tachycardia pacing An implantable medical device delivers anti-tachyarrhythmia therapies including anti-tachycardia pacing (ATP). If a detected tachyarrhythmia is classified as a type suitable for treatment using ATP, the implantable medical device selects one of an atrial ATP (A-ATP)... | 05/01/2012 |
| 8170668 | Baroreflex sensitivity monitoring and trending for tachyarrhythmia detection and therapy A system comprising an implantable medical device (IMD) that includes a tachyarrhythmia detector, a baroreflex detector to obtain baroreflex information, and a processor in communication with the tachyarrhythmia detector and the baroreflex detector. The processor ad... | 05/01/2012 |
| 8170667 | Implantable cardiac monitor upgradeable to pacemaker or cardiac resynchronization device An implantable cardiac monitor upgradeable to an implantable pacemaker or an implantable cardiac resynchronization device allows the use of a single implantable medical device for monitoring cardiac conditions and later, if needed, for cardiac pacing. The implantabl... | 05/01/2012 |
| 8170662 | Method and apparatus for charging partitioned capacitors One aspect of this disclosure relates to an apparatus for providing a selective capacitance. An embodiment of the apparatus includes a first and second capacitor in a stack, and a switching circuit connected between the first and second capacitors. The switching cir... | 05/01/2012 |
| 8170661 | Pacing system controller integrated into indeflator Systems and methods for temporarily pacing a patient's heart are provided. One system includes a vascular treatment system having a vascular access system and a therapy system. The therapy system includes an indeflator and an elongate medical device and the elongate... | 05/01/2012 |
| 8170652 | Method and apparatus for predicting acute response to cardiac resynchronization therapy A method and apparatus for predicting acute response to cardiac resynchronization therapy is disclosed. The method can comprise measuring a first interval during an intrinsic systolic cycle and measuring a second interval during a stimulated systolic cycle. The acut... | 05/01/2012 |
| 8167811 | Apparatus and method for outputting heart sounds An apparatus for outputting heart sounds includes an implantable system and an external system. The implantable system includes a sensor for generating sensed signals representing detected heart sounds, an interface circuit and a control circuit for receiving the se... | 05/01/2012 |
| 8165840 | Posture sensor automatic calibration A system and method automatically calibrate a posture sensor, such as by detecting a walking state or a posture change. For example, a three-axis accelerometer can be used to detect a patient's activity or posture. This information can be used to automatically calib... | 04/24/2012 |
| 8165677 | Method and apparatus of acoustic communication for implantable medical device An implantable medical device includes an acoustic transducer for intra-body communication with another medical device via an acoustic couple. The acoustic transducer includes one or more piezoelectric transducers. In one embodiment, an implantable medical device ho... | 04/24/2012 |
| 8162844 | Managing preload reserve by tracking the ventricular operating point with heart sounds A system and method for managing preload reserve and tracking the inotropic state of a patient's heart. The S1 heart sound is measured as a proxy for direct measurement of stroke volume. The S3 heart sound may be measured as a proxy for direct measurement of preload... | 04/24/2012 |
| 8160721 | Implantable lead with flexible tip features A medical electrical lead comprises a flexible, elongate lead body extending along a longitudinal axis and having a proximal end and a distal end. A protective distal tip structure is disposed on the distal end of the lead body. The tip structure includes a pluralit... | 04/17/2012 |
| 8160717 | Model reference identification and cancellation of magnetically-induced voltages in a gradient magnetic field Systems and methods of dynamically controlling an implanted medical device located within a patient's body in the presence of a gradient magnetic field or other external interference are disclosed. The system can include a reference model of the implanted medical de... | 04/17/2012 |
| 8160716 | Method and apparatus for establishing context among events and optimizing implanted medical device performance An apparatus and method for adjusting the performance of an implanted device based on data including contextual information. Contextual information, including operational and performance data concerning the implanted device as well as the patient with the implanted ... | 04/17/2012 |
| 8160706 | Phased deactivation of functionality in implantable medical device systems Embodiments of the invention are related to systems for interfacing with implantable medical devices, amongst other things. In an embodiment, the invention includes an external medical system including a processor and a telemetry circuit in communication with the pr... | 04/17/2012 |
| 8160704 | System and method for enabling relayed communications by implantable medical devices A telemetry system is presented for enabling radio-frequency (RF) communications between implantable medical devices and an external device in a manner which increases the effective range over which such communications may take place. Devices are configured to relay... | 04/17/2012 |
| 8160701 | Systems and methods for delivering vagal nerve stimulation According to various method embodiments, a person is indicated for a therapy to treat a cardiovascular disease, and the therapy is delivered to the person to treat the cardiovascular disease. Delivering the therapy includes delivering a vagal stimulation therapy (VS... | 04/17/2012 |
| 8155741 | Retrograde atrial sensing for identifying sub-threshold atrial pacing Atrial capture threshold testing is performed in accordance with an atrial capture threshold testing schedule. Monitoring for retrograde P-waves occurs at least during times other than times during which scheduled atrial capture threshold testing is performed. In re... | 04/10/2012 |
| 8155734 | Probabilistic fusion in arrhythmia diagnosis and therapy This document describes, among other things, systems and methods for characterizing a tachyarrhythmia. A method comprises obtaining a current first primary characterization of the tachyarrhythmia and a current first primary confidence level of the current first prim... | 04/10/2012 |
| 8154853 | Method and apparatus for partitioned capacitor One embodiment of the present subject matter includes a stack of substantially planar electrodes including at least a first and second anode layer, and a plurality of cathode layers, a case in which the stack is disposed and to which the plurality of cathode layers ... | 04/10/2012 |
| 8150535 | Sensor guided epicardial lead Implantable cardiac monitoring and stimulation methods and devices with epicardial leads having sensor feedback. A fixed or extendable/retractable sensor may be displaceable within the lead's lumen and configured to sense the presence of an anatomical feature or phy... | 04/03/2012 |
| 8150515 | Fuseable cathode plate for electrolytic capacitor An electrolytic capacitor is constructed in a manner to provide a fusing capability and welded connections between the cathode plates. Each cathode plates has a notch at its periphery within which is an extending leg over which a weldable metallic clip is fitted in ... | 04/03/2012 |
| 8150509 | Systems and methods for drug therapy enhancement using expected pharmacodynamic models A system or method including a device configured to measure at least one pharmacological effect of a drug on a patient. The measured pharmacological effect is compared to an expected pharmacodynamic model. The system can allow for real-time monitoring of positive an... | 04/03/2012 |
| 8150503 | Use of periodicity in medical data analysis A patient management system is described that includes an implantable device for collecting one or more physiological parameter values and associated timestamps indicating the time at which the value is collected. The system is then configured to determine the perio... | 04/03/2012 |
| 8147415 | System and method for detection of pulmonary embolism Systems and methods provide for ambulatorily sensing pulmonary artery pressure from within a patient, and producing a pulmonary artery pressure measurement from the sensed pulmonary artery pressure. Power is ambulatorily provided within the patient to facilitate sen... | 04/03/2012 |
| 8145590 | Expert system for patient medical information analysis A plurality of chronic sensors are used to facilitate diagnosis and medical decision making for an individual patient. An expert system evaluates the sensor data, combines the sensor data with stored probability data and provides an output signal for notification or... | 03/27/2012 |
