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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8180428 | Methods and systems for use in selecting cardiac pacing sites A method and system for use in selecting a cardiac pacing site includes sensors for tracking wall motion (e.g., sensors coupled to the right and left ventricular heart wall). The wall motion of one or more non-paced cardiac cycles is compared to the wall motion of o... | 05/15/2012 |
| 8175695 | T-wave alternans train spotter A method and system for detecting T-wave alternans for use in an implanted medical device uses wave transformation of QT intervals to obtain a reliable measure of TWA. In one embodiment, an array provides alternating sign multiplication factors which are applied res... | 05/08/2012 |
| 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 |
| 8152730 | Method for continuous baroreflex sensitivity measurement A medical device and method for determining baroreflex sensitivity (BRS) based on one or more respiration cycles. The BRS determination may be performed continuously based on measurements of heart rate, blood pressure, and respiration cycles. ... | 04/10/2012 |
| 8150513 | Method and apparatus for assessing left ventricular function and optimizing cardiac pacing intervals based on left ventricular wall motion A system and method for monitoring left ventricular (LV) lateral wall motion and for optimizing cardiac pacing intervals based on left ventricular lateral wall motion is provided. The system includes an implantable or external cardiac stimulation device in associati... | 04/03/2012 |
| 8147275 | Interface adapters for implantable medical electrical leads having a sidewall with an opening with a canted edge An interface adapter for an implantable medical electrical lead facilitates temporary electrical connection between an external medical device and a connector terminal of the lead. A sidewall of the adapter surrounds a receptacle of the adapter and includes a contac... | 04/03/2012 |
| 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 |
| 8108043 | Method and system for detecting and treating junctional rhythms A method and an apparatus for treating cardiac arrhythmias are provided. An interval between first and second consecutive beats of a heart, having first and second chamber types, is determined. The heart is paced at a first rate if the first beat is from the first c... | 01/31/2012 |
| 8103358 | Mapping guidelet The medical lead delivery device more easily and quickly delivers a lead to or through the coronary vein of a patient's heart. The medical lead delivery device includes an elongated body, a controller, a first and second spring, and a sleeve. The elongated body incl... | 01/24/2012 |
| 8103357 | Implantable lead including sensor An implantable medical lead includes an adaptor coupled to a body of the lead. The adaptor holds a sensor capsule between a first portion and a second portion of the lead body. ... | 01/24/2012 |
| 8060202 | Ventricular event filtering for an implantable medical device Pacing parameters are provided to address cross talk and intrinsic ventricular events occurring within a predefined blanking period following an atrial event. The parameters are used in conjunction with protocol for minimizing or reducing ventricular pacing, wherein... | 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 |
| 8046067 | Methods and apparatus for detecting ventricular depolarizations during atrial pacing AV synchronous, dual chamber pacing systems are disclosed having improved sensing of ectopic ventricular depolarizations or PVCs coincidentally occurring at or shortly following delivery of an A-PACE pulse. A first ventricular sense amplifier that is blanked during ... | 10/25/2011 |
| 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 |
| 8043126 | Deployable medical lead fixation system and method An improved medical lead assembly and method of use is provided. The lead assembly includes a lead body, and a spring member positioned adjacent to the lead body. The spring member may be deployed a selectable amount to maintain the lead body in a fixed location wit... | 10/25/2011 |
| 8041434 | Implantable medical electrical lead bodies providing improved electrode contact A distal section of an implantable medical electrical lead body includes a pair of pre-formed arcuate segments between which an approximately straight segment extends. The approximately straight segment includes a first portion extending distally from a first of the... | 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 |
| 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 |
| 8032216 | System and method for determining intrinsic AV interval timing An atrial based pacing protocol promotes intrinsic conduction. An entire cardiac cycle is monitored for ventricular activity and permitted to lapse with ventricular activity. Ventricular pacing is available in a cardiac cycle immediately subsequent to such a skipped... | 10/04/2011 |
| 8024041 | Cardiac resynchronization via left ventricular pacing The invention is directed to techniques for providing cardiac resynchronization therapy by synchronizing delivery of pacing pulses to the left ventricle with intrinsic right ventricular depolarizations. An implantable medical device measures an interval between an a... | 09/20/2011 |
| 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 |
| 8005551 | Implantable medical lead An implantable medical lead includes a device, such as a physiological sensor, that is coupled to one or more stimulation/sensing sensing conductors within the lead. When the implantable medical lead is coupled to an implantable medical device, the device carried by... | 08/23/2011 |
| 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 |
| 7996070 | Template matching method for monitoring of ECG morphology changes An implantable medical device and associated method perform ECG morphology monitoring. A subcutaneous ECG signal and a posture signal are sensed in a patient. A cardiac condition is detected in response to the ECG signal and the posture signal. In one embodiment, mu... | 08/09/2011 |
| 7988635 | Methods for detecting and monitoring sleep disordered breathing using an implantable medical device A method of identifying sleep disordered breathing (SDB) in a patient includes monitoring a hemodynamic pressure, deriving high, middle, and low values representative of the distribution of the hemodynamic pressure over a storage interval, measuring a ratio of a low... | 08/02/2011 |
| 7970466 | Method and apparatus for optimization and assessment of response to extra-systolic stimulation (ESS) therapy A method and apparatus for optimizing and assessing the response to extra-systolic stimulation (ESS) are provided. An optimization/monitoring parameter is calculated as a function of potentiation ratio, PR, and recirculation fraction, RF, derived from measurements o... | 06/28/2011 |
| 7963922 | Volume depletion detection Detection of volume depletion, particularly after an incidence of volume overload is disclosed. Various methods, systems, and devices are disclosed that sense and analyze a physiological parameter related to a patient's fluid level in order to warn patients of poten... | 06/21/2011 |
| 7957812 | Differential entropy based encoding of data with variable length probabilistic codes Waveforms are digitally sampled and compressed for storage in memory. The compression of the data includes generating a truncated entropy encoding map and using the values within the map to obtain good compression. An encoder further sub-selects values to be encoded... | 06/07/2011 |
| 7957801 | Dynamic pacing interval extension for detection of intrinsic ventricular activity Methods and devices for identification of intrinsic ventricular activity occurring within a ventricular signal. Ventricular signal morphology is analyzed to determine if the signal contains intrinsic ventricular activity while delivering pacing pulses separated by n... | 06/07/2011 |
| 7957800 | Preferred ADI/R: a permanent pacing mode to eliminate ventricular pacing while maintaining backup support A preferred atrial-based pacing method and apparatus is provided using an intelligent cardiac pacing system to having the ability to continue atrial-based pacing as long as relatively reliable AV conduction is present. In the event that such relatively reliable AV c... | 06/07/2011 |
| 7957799 | Non-invasive cardiac potentiation therapy An external cardiac medical device for delivering Cardiac Potentiation Therapy (CPT). Techniques used with the device include initial diagnosis of the patient, delivery of the CPT, and configuration of the external device, so that CPT can be effectively and efficien... | 06/07/2011 |
| 7953495 | Lead-implant coupling device A lead coupling device adapted for coupling to a lead and methods for using the coupling devices are provided. The coupling device includes a housing assembly having a proximal opening and a distal opening. The coupling device also has a lead receiving channel that ... | 05/31/2011 |
