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| Number | Title | Issue Date |
| 8185210 | Communication system and method with preamble encoding for an implantable medical device Medical data is communicated from a transmitter of an external unit to a receiver of an implantable medical device. The transmitter generates a preamble signal having encoded configuration data that informs the receiver of configuration settings to be used in receiv... | 05/22/2012 |
| 8172760 | Medical device encapsulated within bonded dies An implantable medical system includes a first die substrate with a first outer surface. The system also includes a second die substrate with a second outer surface. Furthermore, the system includes a medical device with a first portion that is mounted to the first ... | 05/08/2012 |
| 8170515 | Method and apparatus for the phased detection of a signal including a frequency deviation detection phase A plurality of phases of sniff operations are performed for detecting wake-up signals being received by an implantable medical device (IMD), including a phase that performs a staged detection of whether the integrated frequency deviation of a received signal is outs... | 05/01/2012 |
| 8165691 | Implantable medical device with selectively configurable exposure operating mode programming options An IMD is selectively configurable to support a plurality of programming options for enabling and disabling an exposure operating mode of the device. In one example, the IMD may support at least two of a manual exposure mode programming option in which the exposure ... | 04/24/2012 |
| 8155758 | Fault tolerant implantable pulse generators and implantable cardioverter-defibrillators incorporating physiologic sensors and methods for implementing fault tolerance in same This disclosure relates to fault tolerant instantiations of a cardiac therapy delivery device such as an implantable cardiac stimulator (e.g., an implantable pulse generator, IPG, and/or an implantable cardioverter-defibrillator, ICD) coupled to an implantable physi... | 04/10/2012 |
| 8145320 | Telemetry control for implantable medical devices An implantable medical device (IMD) and method are provided in which a telemetry module in the IMD includes a configurable polling interval at which the telemetry module is powered up from a low power inactive state to perform sniff operations for detecting whether ... | 03/27/2012 |
| 8145308 | Method and apparatus for determining a parameter associated with delivery of therapy in a medical device A medical device and method for determining a parameter for delivery of a predetermined pacing therapy that includes a plurality of electrodes to deliver a pacing therapy, including the predetermined pacing therapy, and a control unit to control the timing of the de... | 03/27/2012 |
| 8135479 | Sensor assemblies for implantable medical electrical leads A sensor assembly, which may be incorporated by a medical electrical lead, includes an insulative body, formed from a biocompatible plastic, and a sensor mounted on a mounting surface of the insulative body. The mounting surface extends distally from a proximal port... | 03/13/2012 |
| 8135463 | Algorithm for the automatic determination of optimal AV and VV intervals Methods and devices for determining optimal Atrial to Ventricular (AV) pacing intervals and Ventricular to Ventricular (VV) delay intervals in order to optimize cardiac output. Impedance, preferably sub-threshold impedance, is measured across the heart at selected c... | 03/13/2012 |
| 8126553 | Sensing integrity determination based on cardiovascular pressure Electrical noise may be discriminated from sensed heart signals based on cardiovascular pressure. A plurality of detected cardiovascular pressure values are respectively associated with a plurality of detected tachyarrhythmia events. In some examples, a variance in ... | 02/28/2012 |
| 8126549 | Cardiac protection system and method A cardiac ischemic protection system and method for conditioning a patient's heart is provided. The method can include detecting acute myocardial infarction, angina pectoris, silent ischemia, or stunning and providing closed-loop dyssynchronous pacing to the patient... | 02/28/2012 |
| 8126418 | Preselector interference rejection and dynamic range extension A wireless telemetry module and associated method reject interference in a received signal. The wireless telemetry module includes an antenna receives a communication signal transmitted at a desired channel frequency and having a channel bandwidth. A transceiver is ... | 02/28/2012 |
| 8125058 | Faraday cage for circuitry using substrates An apparatus and method uses a first Faraday cage portion and a second Faraday cage portion to provide a Faraday cage enclosure surrounding at least one circuit device. For example, the first Faraday cage portion may include a first conductive portion of a Faraday c... | 02/28/2012 |
| 8121705 | MRI-safe defibrillator electrodes The present invention reduces patient risks associated with RF-induced thermogenic tissue damage and with pulsed gradient-field-induced arrhythmias by using a defibrillator lead having a self-healing dielectric material that prevents induced voltages from MRI equipm... | 02/21/2012 |
| 8108044 | Method and apparatus for the staged detection of RF energy A low power method and apparatus for detecting wake-up signals in sniff processing performed in an implantable medical device (IMD) using a staged detection of RF energy in signals received in order to conserve current consumption. Incoming signals are monitored in ... | 01/31/2012 |
| 8102789 | System and method for synchronous wireless communication with a medical device Constituents of a network of medical devices communicate according to a synchronous communication protocol. A constituent of the network is established as a conductor. Time slots are assigned to each constituent of the network other than the conductor. Information i... | 01/24/2012 |
| 8099164 | Selectively implementable digital signal processing circuit for an implantable medical device Embodiments of the invention include an implantable medical device having a digital signal processing circuit associated with an implantable medical device function. The digital signal processing circuit can be selectively implementable according to the clinical nee... | 01/17/2012 |
| 8089787 | Switched capacitor DC-DC voltage converter The disclosure describes techniques for converting an input voltage level to two or more output voltage levels using only two pump capacitors and three switching phases. The disclosure also describes techniques for selectively controlling a dc-dc converter to operat... | 01/03/2012 |
| 8065018 | System and method for unscheduled wireless communication with a medical device Unscheduled wireless communication with a medical device is achieved by operating a receiver of the medical device in a series of modes. Each mode provides an increasingly selective evaluation of received RF energy. The receiver, when operating in a first mode, is c... | 11/22/2011 |
| 8059628 | Low power multiple channel mixing architecture for detecting wake-up signals and related falsing protection algorithm A low power multiple channel receiver mixing architecture for detecting wake-up signals over multiple communication channels in sniff processing performed in an implantable medical device (IMD). The architecture includes a direct conversion real receiver configured ... | 11/15/2011 |
| 8055335 | Adaptations to intra-thoracic fluid monitoring algorithm Adaptations to an intra-thoracic fluid-status-trend indication and/or alert algorithm are disclosed. Some embodiments monitor fluid levels in heart failure patients and others suffering from pulmonary edema and the like. Some embodiments reset a cumulative fluid ind... | 11/08/2011 |
| 8055322 | Ion sensor for long term use in complex medium Devices and methods for measuring a target ion concentration uses an electrode pair. The pair includes a working electrode and a reference electrode. The working and reference electrodes are ion-selective electrodes (ISEs). The reference ISE can include a sodium ISE... | 11/08/2011 |
| 8052711 | Method and apparatus for fixating an implantable medical device A fixation mechanism coupled to an implantable device body extends from a proximal portion of the body to a distal portion of the body and includes a fixation element and a push tube segment. A push tube segment of the mechanism extends proximally from the fixation ... | 11/08/2011 |
| 8052610 | Event registration for automatic threshold setting An implantable medical device includes a sensor for sensing a first signal in a patient, detection circuitry for receiving the first signal, determining a parameter therefrom, and detecting a first event in response to the parameter. The device further includes cont... | 11/08/2011 |
| 8050771 | Phased array cofire antenna structure and method for operating the same An antenna structure for an implantable medical device (IMD) is provided that includes an antenna embedded within a structure derived from a plurality of discrete dielectric layers. An array of electrodes are connected to the antenna structure and arranged for apply... | 11/01/2011 |
| 8050763 | Isolation circuitry and method for gradient field safety in an implantable medical device An implantable medical device is provided for isolating an elongated medical lead from internal device circuitry in the presence of a gradient magnetic or electrical field. The device includes an isolation circuit adapted to operatively connect an internal circuit t... | 11/01/2011 |
| 8046065 | Fusion pacing enhancements The disclosure provides methods and apparatus of left ventricular pacing including automated adjustment of a atrio-ventricular (AV) pacing delay interval and intrinsic AV nodal conduction testing. It includes—upon expiration or reset of a programmable AV Evaluatio... | 10/25/2011 |
| 8046064 | Method of delivering PESP/ICC as well as adjusting the refractory period of the heart Medical devices and methods are used to treat cardiac dysfunction conditions which involve delivery of stimulation pulses in cardiac refractory periods in order to modulate an effective refractory period (ERP). Such devices and methods may be used in conjunction wit... | 10/25/2011 |
| 8046063 | Implantable medical device with adaptive operation An implantable medical device operates with an algorithm that promotes intrinsic conduction and reduces ventricular pacing. The IMD monitors the occurrence of necessary ventricular pacing and takes certain actions based upon whether this occurrence has been relative... | 10/25/2011 |
| 8041433 | Magnetic resonance imaging interference immune device A wire form includes a conductor having a distal end and a proximal end. The conductor is coiled and has a predetermined spacing between adjacent coils. The predetermined spacing provides a parasitic capacitance and an inductance. The parasitic capacitance and induc... | 10/18/2011 |
| 8041424 | Cardiac resynchronization therapy for patients with right bundle branch block An implantable medical device and associated method deliver cardiac resynchronization therapy in a patient having right bundle branch block by measuring an interval between a right atrial depolarization and a first heart sound and selecting a right atrial-ventricula... | 10/18/2011 |
| 8041410 | Medical device sensing and detection during MRI A medical device includes a sensor for sensing for an MRI gradient magnetic field and a microprocessor for responding to the detected gradient magnetic field by switching from a first electrical signal processing mode to a second electrical signal processing mode, s... | 10/18/2011 |
| 8033998 | Device and method for automatic threshold setting An implantable medical device for detecting physiological events includes a first sensor for sensing a first signal in a patient correlated to a first physiological condition, a second sensor for sensing a second signal in the patient corresponding to a second physi... | 10/11/2011 |
| 8032221 | Sealing setscrew This application discusses, among other things, an implantable medical device including a setscrew that enables lead tip visibility as an indicator of full lead insertion without requiring a grommet. In an example, the implantable medical device header is provided w... | 10/04/2011 |
| 8019433 | Adaptive interference reduction during telemetry An implantable medical device has a first module for performing telemetry communications with another device and a second module for delivering a high voltage therapy to a patient. The first module is configured to detect a communication error, and the second module... | 09/13/2011 |
| 8014872 | System and apparatus for controlled activation of acute use medical devices An integrated activation system for an implantable medical device (IMD) sharing a power source, the activation system comprising a switching circuit having first and second inputs and having an output coupled to the acute use device, a gating element coupled to the ... | 09/06/2011 |
| 8010207 | Implantable medical lead designs The invention is directed to medical leads for use with implantable medical devices. Various features of medical leads are described, many of which may be useful in a variety of different leads, e.g., used in a variety of different applications. In one embodiment, t... | 08/30/2011 |
| 8005550 | Medical electrical lead A medical device lead is presented. The lead includes one or more jacketed conductive elements. The jacket comprises one or more covers. A first cover of expanded polytetrafluoroethylene (ePTFE) is in direct contact with the at least one conductive element. At least... | 08/23/2011 |
| 8005549 | Medical electrical lead A method of manufacture of a medical device lead. The lead includes one or more jacketed conductive elements. The jacket comprises one or more covers. The jacketed conductive element is formed by introducing a polymeric material over a conductive element, coupling t... | 08/23/2011 |
| 7996084 | Implantable medical device with automatic ischemia threshold determination An implantable medical device (IMD) performs periodic testing of a patient to determine ischemia threshold information. At selected times while the patient is at rest, the IMD increases the pacing rate over time until it receives feedback either from the patient or ... | 08/09/2011 |
