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| Number | Title | Issue Date |
| 7426413 | Implantable medical device with temperature measuring and storing capability An implantable medical device such as a cardiac pacemaker or implantable cardioverter/defibrillator with the capability of storing body temperature measurements taken periodically and/or when triggered by particular events. ... | 09/16/2008 |
| 7366571 | Neurostimulator with activation based on changes in body temperature Improved methods and devices are provided for detecting and/or predicting the onset of an undesirable physiological event or neural state, such as an epileptic seizure, to facilitate rapid intervention with a treatment therapy such as neurostimulation or drug therap... | 04/29/2008 |
| 7286878 | Multiplexed electrode array extension An apparatus and method for selectively interacting with electrically excitable tissue of a patient are provided. The apparatus includes an implantable pulse generator having a number of output sources that transmit pulse signals. An extension unit couples the impla... | 10/23/2007 |
| 7206637 | Cardiac pacing using sensed coronary vein blood temperature and left ventricular flow rate Methods of cardiac pacing involve sensing left ventricular electrical rhythms, sensing left ventricular blood flow rate, and sensing a coronary vein blood temperature. The methods further involve modifying delivery of synchronized electrical signals to the patient's... | 04/17/2007 |
| 7200436 | Implantable pulse generator and method having adjustable signal blanking An implantable pulse generator senses a cardiac signal, identifies cardiac events in the cardiac signal, and starts a blanking interval including a repeatable noise window blanking interval in response to each cardiac event. When noise is detected during the repeata... | 04/03/2007 |
| 7155280 | Rate-adaptive pacemaker with compensation for long-term variations in average exertion level A rate-adaptive pacemaker is disclosed in which a sensor-indicated rate is calculated by adding a function of the measured exertion level to a programmed lower rate limit. In the case where the function of the measured exertion level is the difference between a shor... | 12/26/2006 |
| 7136705 | Method and apparatus for monitoring sensor performance during rate-responsive cardiac stimulation A cardiac stimulation device and method monitor and store discrepancies in sensor indicated rates determined from two or more sensors generating signals related to metabolic demand. One feature included in the present invention is a sensor cross-check record that st... | 11/14/2006 |
| 7127291 | Coronary sinus lead with thermal sensor and method therefor A lead system is provided including a coronary sinus lead extending from a proximal end to a distal end, where the lead includes at least one thermal sensor, or optionally, a thermistor. The thermal sensor is positionable within a coronary sinus of a heart when the ... | 10/24/2006 |
| 7089786 | Microelectromechanical system and method for determining temperature and moisture profiles within pharmaceutical packaging A sensor system for determining at least one environmental condition within pharmaceutical packaging comprising a base sheet with at least one pocket formed therein, a lid sheet having a pocket portion, the pocket portion being disposed proximate the pocket when the... | 08/15/2006 |
| 7069086 | Method and system for improved spectral efficiency of far field telemetry in a medical device Radio frequency bandwidth from a far field transmitter of an implantable medical device is adjusted by controlling the data rate, the output power level, the transmitter supply voltage or combinations thereof. Adjustments are made on the basis of a sensed temperatur... | 06/27/2006 |
| 7062326 | Method and apparatuses for monitoring hemodynamic activities using an intracardiac impedance-derived parameter An intracardiac impedance-derived parameter, Half Cycle Activity (HCA) is used in sensing and controlling cardiac activities in implantable cardiac devices such as bradycardia pacemakers and cardioverter defibrillators. This impedance-derived parameter correlates cl... | 06/13/2006 |
| 7058450 | Organizing data according to cardiac rhythm type A plurality of sensors are disposed in and around the heart of a patient to collect data such as various electrical parameters, pressure parameters and temperature parameters. The data collected via the sensors may be organized and stored according to cardiac rhythm... | 06/06/2006 |
| 7037273 | Core body temperature monitoring in heart failure patients An implanted heart monitor includes sensors that measure various aspects of the heart failure patient's heart. A remote heart monitoring system connects the implanted heart monitor to a care provider, such as a physician. The data provided by the implanted heart mon... | 05/02/2006 |
| 7013178 | Implantable medical device communication system An implantable medical device communication system communicates information between an implantable medical device and at least one slave device by way of a two-wire bus. Slave devices may include remote sensors and other implantable medical devices. The implantable ... | 03/14/2006 |
| 6968236 | Ceramic cardiac electrodes A cardiac electrode termination pair system that is particularly compatible with Magnetic Resonance Imaging (MRI) procedures. The electrodes include tip and ring electrodes made of a body-compatible ceramic on which is applied via electroplating, sputtered or the li... | 11/22/2005 |
| 6892095 | Method and apparatus for monitoring left ventricular work or power A body implantable system employs a lead system having at least one electrode and at least one thermal sensor at a distal end. The lead system is implanted within a patient's heart in a coronary vein of the left ventricle. The thermal sensor can be attached to a cat... | 05/10/2005 |
| 6708066 | Electrochemical treatment of tissues, especially tumors A technique and apparatus therefor adapted to treat in situ specified tissue, especially a malignant tumor, use being made of electrodes implanted in the tissue at spaced positions. Applied across the electrodes is a voltage causing a current to flow through the tis... | 03/16/2004 |
| 6681135 | System and method for employing temperature measurements to control the operation of an implantable medical device A medical implantable device that includes a temperature sensor circuit and a control circuit coupled to the temperature sensor circuit to control non-therapy operation of the medical implantable device in response to temperature measurements obtained by ... | 01/20/2004 |
| 6662048 | Implantable medical device with temperature measuring and storing capability An implantable medical device such as a cardiac pacemaker or implantable cardioverter/defibrillator with the capability of storing body temperature measurements taken periodically and/or when triggered by particular events.... | 12/09/2003 |
| 5814087 | Rate responsive pacemaker adapted to adjust lower rate limit according to monitored patient blood temperature A rate responsive pacemaker is provided having the capability of automatically adjusting the lower rate limit (LRL) for sleep, or nighttime. The pacemaker has a temperature sensor for determining patient blood temperature, and processes patient blood temp... | 09/29/1998 |
| 5486200 | Automatic postmortem deactivation of implantable device A method and apparatus for minimizing the potential for injury due to operation of a body-implantable device during explant manipulation thereof. In one embodiment of the invention, a body-implantable device is provided with a temperature sensor and assoc... | 01/23/1996 |
| 5476484 | Apparatus for sensing a physical condition in a living subject An apparatus for determining a physical condition in a living subject by determining peripheral resistance to flow is wherein peripheral resistance to flow is determined by measuring changes in the pressure drop characteristic in an artery during diastole... | 12/19/1995 |
| 5336244 | Temperature sensor based capture detection for a pacer A pacemaker system which includes a fast responding temperature sensor located near the distal end of a transvenous pacing lead generates a cycle-by-cycle variation of temperature indicative of the mechanical pumping action of the heart. A timer is used t... | 08/09/1994 |
| 5306293 | Device for the prevention of cardiac failures The implantable device, of the Holter intervention type, permits the detection and the polygraphic analysis (ECG, TA, haemodynamics, resonant frequencies), of the cardiovascular parameters, especially in the active sequence of current cycles, permitting t... | 04/26/1994 |
| 5101824 | Rate-responsive pacemaker with circuitry for processing multiple sensor inputs An implantable rate-responsive pacemaker is disclosed wherein two or more sensors indicative of physiological demand are utilized in a fashion designed to realize the advantages of both sensors in a circuit producing a rate command signal which is used to... | 04/07/1992 |
| 5097831 | Rate-responsive pacemaker with circuitry for processing multiple sensor inputs An implantable rate-responsive pacemaker is disclosed wherein two or more sensors indicative of physiological demand are utilized in a fashion designed to realize the advantages of both sensors in a circuit producing a rate command signal which is used to... | 03/24/1992 |
| 5088491 | Heart pacemaker A cardiac pacemaker for implanting in a patient includes a device for applying stimulating pulses to the heart of the patient at a rate determined by a pacing parameter; a device for detecting a first physiological parameter which is correlated with physi... | 02/18/1992 |
| 5085215 | Metabolic demand driven rate-responsive pacemaker A rate-responsive dual-chamber pacemaker and pacing method for supporting the heart with electrical stimulation at a pacing rate driven by the heart's sinus node or, alternatively, by a sensor adapted to determine the patient's metabolic demand (a metabol... | 02/04/1992 |
| 5081988 | Exercise responive cardiac pacemaker An exercise-responsive cardiac pacemaker is provided which physiologically controls the stimulation rate of a heart by sensing the venous blood temperature in the right ventricle of the heart. A temperature sensing means which includes a thermistor produc... | 01/21/1992 |
| 5074304 | Implantable heart pacemaker and method for stimulating the heart with the repetition rate of the stimulations of heart muscle contractions limited to a maximum value An implantable heart pacemaker includes a detector for natural heart muscle contractions in the region of the atrium and circuitry for stimulating heart muscle contractions in the region of the ventricle, the stimulating circuitry generating a stimulating... | 12/24/1991 |
| 5063927 | Rate-responsive pacemaker A pacemaker has means for producing first and second signals one of which changes rapidly in response to changes in exercise level but may inaccurately represent the appropriate pacing rate. Such signal may be derived from a vibration sensor. The second s... | 11/12/1991 |
| 5044366 | Rate responsive cardiac pacemaker A rate responsive cardiac pacemaker for implantation in a patient utilizes a pair of sensors. One is an activity sensor responsive to movements of the patient for generating an electrical signal representative thereof. A preselected component of the elect... | 09/03/1991 |
| 5042480 | Method and implantable medical device for stimulating tissue contractions A medical device implantable into the body of a patient with which spontaneous tissue contractions can be detected and tissue contractions can be stimulated, generates a stimulation after the expiration of an adjustable first time interval, started by the... | 08/27/1991 |
| 5031615 | Rate responsive cardiac pacemaker An implantable activity-based cardiac pacemaker has a variable rate stimulus generator housed together with an accelermeter and associated circuitry within a case. The accelerometer is isolated from the case to detect forces of acceleration on the case wh... | 07/16/1991 |
| 5031614 | Pacemaker rate control using amplitude and frequency of activity signal A variable rate pacemaker responsive to patient exercise senses physical activity of the patient by motion detection and generates a corresponding electrical signal. The pacemaker circuitry detects maximum and minimum values of the amplitude of the electr... | 07/16/1991 |
| 5029582 | Medical apparatus for stimulating a physiological event in a patient with a stimulation intensity automatically adapted to the physical activity of the patient and a method for adapting the stimulation intensity to the physical activity of the patient A medical apparatus for stimulating a physiological event in a patient, with the stimulation intensity being automatically adapted to the physical activity of the patient, includes respective sensors for monitoring the chronological curves of the temperat... | 07/09/1991 |
| 5014700 | Rate responsive cardiac pacemaker An implantable variable rate pacemaker adaptive to patient exercise detects movements of the patient, and discriminates between detected movements indicative of physical exercise by the patient and detected movements indicative of non-exercise. The pacema... | 05/14/1991 |
| 5014704 | Rate responsive cardiac pacemaker An implantable variable rate pacemaker adaptive to patient exercise includes a motion sensor for detecting physical activity of the patient and producing an electrical signal having an amplitude vlaue representative of the intensity of the physical activi... | 05/14/1991 |
| 5014703 | Rate responsive cardiac pacemaker An activity-based variable rate pacemaker senses motion in a preselected low frequency range to detect physical activity of the patient and produce an electrical signal having amplitude maxima and minima representative of the speed and intensity of the ph... | 05/14/1991 |
| 5014702 | Rate responsive cardiac pacemaker An implantable activity-based variable rate pacemaker includes an accelerometer for detecting movements of the patient, and discriminates between those of the detected movements indicative of physical exercise by the patient and those of the detected move... | 05/14/1991 |
