Patent application number | Description | Published |
20100292761 | AUTOMATED DEVICE PROGRAMMING AT CHANGEOUT - This document discusses, among other things, methods and systems for facilitating automated device programming at changeout. A method comprises receiving, from a first device, physiological data at a temporary storage device; and processing the received physiological data, wherein the processing includes determining if a first signal processing function was used by the first device and substantially offsetting the first signal processing function if the first signal processing function was used by the first device; and processing the resultant physiological data to be compatible with a second device. The method further comprising providing the processed resultant physiological data to the second device. | 11-18-2010 |
20100298733 | Method and System for Heart Failure Status Evaluation Based on a Disordered Breathing Index - An evaluation of heart failure status is provided based on a disordered breathing index. Patient respiration is sensed and a respiration signal is generated. Disordered breathing episodes are detected based on the respiration signal. A disordered breathing index is determined based on the disordered breathing episodes. The disordered breathing index is trended and used to evaluate heart failure status. The disordered breathing index may be combined with additional information and/or may take into account patient activity, posture, sleep stage, or other patient information. | 11-25-2010 |
20110040201 | Periodic Disordered Breathing Detection - Systems and methods are directed to evaluating breathing disorders, such as periodic disordered breathing. A signal representative of patient respiration is developed, typically patient-internally. An envelope of the signal is provided. Periodicity of the envelope is detected, and presence and severity of periodic disordered breathing is determined based on the periodicity of the envelope. | 02-17-2011 |
20110301471 | THORACIC OR INTRACARDIAC IMPEDANCE DETECTION WITH AUTOMATIC VECTOR SELECTION - Vector selection is automatically achieved via a thoracic or intracardiac impedance signal collected in a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from the impedance data for each such electrode configuration. In one example, only non-arrhythmic beats are used for computing the figure of merit. A particular electrode configuration is automatically selected using the figure of merit. During a diagnostic mode, the device collects impedance data using the selected electrode configuration. In one example, the figure of merit includes a ratio of a cardiac stroke amplitude and a respiration amplitude. Other examples of the figure of merit are also described. | 12-08-2011 |
20110319959 | SYSTEM FOR NEURAL CONTROL OF RESPIRATION - A system, device and method for neural control of respiration are provided. One aspect of this disclosure relates to an implantable medical device for sensing and controlling respiration during incidence of central respiratory diseases. According to various embodiments, the device includes a sensing circuit to receive sensed signals representative of an incidence of a central respiratory disease. The device also includes a neural stimulator adapted to generate neural stimulation signals, and a controller to communicate with the sensing circuit and to control the neural stimulator to stimulate a desired neural target in response to the detection of the incidence of a central respiratory disease. In an embodiment, the device includes a plurality of sensors which are adapted to monitor physiological parameters to detect the incidence of a central respiratory disease and to send signals to the sensing circuit. Other aspects and embodiments are provided herein. | 12-29-2011 |
20120046709 | METHOD AND APPARATUS FOR CONTROLLING NEURAL STIMULATION DURING DISORDERED BREATHING - A neural stimulation system controls the delivery of neural stimulation using a respiratory signal as a therapy feedback input. The respiratory signal is used to increase the effectiveness of the neural stimulation, such as vagal nerve stimulation, while decreasing potentially adverse side effects in respiratory functions. In one embodiment, the neural stimulation system detects apnea and, in response, adjusts the delivery of the neural stimulation pulses and/or delivers a respiratory therapy treating the detected apnea. | 02-23-2012 |
20120130446 | METHOD AND APPARATUS FOR NEURAL STIMULATION WITH RESPIRATORY FEEDBACK - A neural stimulation system controls the delivery of neural stimulation using a respiratory signal as a therapy feedback input. The respiratory signal is used to increase the effectiveness of the neural stimulation, such as vagal nerve stimulation, while decreasing potentially adverse side effects in respiratory functions. In one embodiment, the neural stimulation system synchronizes the delivery of the neural stimulation pulses to the respiratory cycles using a respiratory fiducial point in the respiratory signal and a delay interval. In another embodiment, the neural stimulation system detects a respiratory disorder and, in response, adjusts the delivery of the neural stimulation pulses and/or delivers a respiratory therapy treating the detected respiratory disorder. | 05-24-2012 |
20120165889 | METHOD AND APPARATUS FOR INSPIRATORY MUSCLE STIMULATION USING IMPLANTABLE DEVICE - An inspiratory muscle stimulation system uses an implantable medical device to deliver stimulation to control diaphragmatic contractions for slower and deeper breathing, thereby conditioning and strengthening inspiratory muscles. In various embodiments, respiratory and/or cardiac performance are monitored for controlling parameters of the stimulation. | 06-28-2012 |
20120283527 | RESPIRATION MONITORING FOR HEART FAILURE USING IMPLANTABLE DEVICE - An implantable respiration monitor can be used to detect disordered breathing or periodic breathing events that can be categorized, such as according to one or more of sleep, exercise, and resting awake states. The categorized frequency of such events can be compared to independently specifiable thresholds, such as to trigger an alert or responsive therapy, or to display one or more trends. The information can also be combined with detection of one or more other congestive heart failure (CHF) symptoms to generate a CHF status indicator or to trigger an alarm or responsive therapy or to display one or more trends. The alert can notify the patient or a caregiver, such as via remote monitoring. The sleep state information can be further categorized according to central sleep apnea (CSA) or obstructive sleep apnea (OSA) events. | 11-08-2012 |
20120323292 | SYSTEM FOR NEURAL CONTROL OF RESPIRATION - A system, device and method for neural control of respiration are provided. One aspect of this disclosure relates to an implantable medical device for sensing and controlling respiration during incidence of central respiratory diseases. According to various embodiments, the device includes a sensing circuit to receive sensed signals representative of an incidence of a central respiratory disease. The device also includes a neural stimulator adapted to generate neural stimulation signals, and a controller to communicate with the sensing circuit and to control the neural stimulator to stimulate a desired neural target in response to the detection of the incidence of a central respiratory disease. In an embodiment, the device includes a plurality of sensors which are adapted to monitor physiological parameters to detect the incidence of a central respiratory disease and to send signals to the sensing circuit. Other aspects and embodiments are provided herein. | 12-20-2012 |
20120330381 | AUTOMATED DEVICE PROGRAMMING AT CHANGEOUT - This document discusses, among other things, methods and systems for facilitating automated device programming at changeout. A method comprises receiving, from a first device, physiological data at a temporary storage device; and processing the received physiological data, wherein the processing includes determining if a first signal processing function was used by the first device and substantially offsetting the first signal processing function if the first signal processing function was used by the first device; and processing the resultant physiological data to be compatible with a second device. The method further comprising providing the processed resultant physiological data to the second device. | 12-27-2012 |
20130238051 | RESPIRATORY STIMULATION FOR TREATING PERIODIC BREATHING - A system and method for treating and/or preventing is described for treating periodic breathing characterized by cyclical hyperventilation and hypoventilation, examples of which include Cheyne-Stokes respiration and central sleep apnea. The system could also be used in the treatment of other conditions involving an impairment of respiratory drive. | 09-12-2013 |
20130268030 | METHOD AND APPARATUS FOR CONTROLLING NEURAL STIMULATION DURING DISORDERED BREATHING - A neural stimulation system controls the delivery of neural stimulation using a respiratory signal as a therapy feedback input. The respiratory signal is used to increase the effectiveness of the neural stimulation, such as vagal nerve stimulation, while decreasing potentially adverse side effects in respiratory functions. In one embodiment, the neural stimulation system detects apnea and, in response, adjusts the delivery of the neural stimulation pulses and/or delivers a respiratory therapy treating the detected apnea. | 10-10-2013 |
20130281867 | THORACIC OR INTRACARDIAC IMPEDANCE DETECTION WITH AUTOMATIC VECTOR SELECTION - Vector selection is automatically achieved via a thoracic or intracardiac impedance signal collected in a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from the impedance data for each such electrode configuration. In one example, only non-arrhythmic beats are used for computing the figure of merit. A particular electrode configuration is automatically selected using the figure of merit. During a diagnostic mode, the device collects impedance data using the selected electrode configuration. In one example, the figure of merit includes a ratio of a cardiac stroke amplitude and a respiration amplitude. Other examples of the figure of merit are also described. | 10-24-2013 |
20140025141 | METHOD AND APPARATUS FOR NEURAL STIMULATION WITH RESPIRATORY FEEDBACK - A neural stimulation system controls the delivery of neural stimulation using a respiratory signal as a therapy feedback input. The respiratory signal is used to increase the effectiveness of the neural stimulation, such as vagal nerve stimulation, while decreasing potentially adverse side effects in respiratory functions. In one embodiment, the neural stimulation system synchronizes the delivery of the neural stimulation pulses to the respiratory cycles using a respiratory fiducial point in the respiratory signal and a delay interval. In another embodiment, the neural stimulation system detects a respiratory disorder and, in response, adjusts the delivery of the neural stimulation pulses and/or delivers a respiratory therapy treating the detected respiratory disorder. | 01-23-2014 |
Patent application number | Description | Published |
20090062882 | Method and apparatus for inspiratory muscle stimulation using implantable device - An inspiratory muscle stimulation system uses an implantable medical device to deliver stimulation to control diaphragmatic contractions for slower and deeper breathing, thereby conditioning and strengthening inspiratory muscles. In various embodiments, respiratory and/or cardiac performance are monitored for controlling parameters of the stimulation. | 03-05-2009 |
20090082781 | Implantable ultrasound system for maintaining vessel patency and perfusion - An apparatus comprising an implantable acoustic transducer, an acoustic transducer interface circuit communicatively coupled to the acoustic transducer, and a controller circuit communicatively coupled to the acoustic transducer interface circuit. The controller is configured to, in response to receiving an indication of a patient condition associated with a development of a blood vessel obstruction, initiate delivery of acoustic energy that mitigates the blood vessel obstruction. Other systems and methods are described. | 03-26-2009 |
20090099621 | RESPIRATORY STIMULATION FOR TREATING PERIODIC BREATHING - A system and method for treating and/or preventing is described for treating periodic breathing characterized by cyclical hyperventilation and hypoventilation, examples of which include Cheyne-Stokes respiration and central sleep apnea. The system could also be used in the treatment of other conditions involving an impairment of respiratory drive. | 04-16-2009 |
20090118783 | Monitoring Right Ventricular Hemodynamic Function During Pacing Optimization - Method and systems related to monitoring right ventricular function during pacing by a cardiac rhythm management device are described. One or more pacing parameters are selected to provide cardiac resynchronization therapy. For example, the one or more pacing parameters may be selected to provide an optimal or improved therapy. The heart is paced using the selected pacing parameters. While pacing with the selected parameters, pressure is sensed via a pressure sensor disposed the pulmonary artery. The sensed pressure is analyzed to determine right ventricular function achieved during the pacing using the selected pacing parameters. A signal, such as an alert signal or control signal, is generated based on the right ventricular function achieved during the pacing. | 05-07-2009 |
20100056884 | THORACIC OR INTRACARDIAC IMPEDANCE DETECTION WITH AUTOMATIC VECTOR SELECTION - This document discusses, among other things, a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from the impedance data for each such electrode configuration. In one example, only non-arrhythmic beats are used for computing the figure of merit. A particular electrode configuration is automatically selected using the figure of merit. During a diagnostic mode, the device collects impedance data using the selected electrode configuration. In one example, the figure of merit includes a ratio of a cardiac stroke amplitude and a respiration amplitude. Other examples of the figure of merit are also described. | 03-04-2010 |
20100121406 | NEURAL STIMULATOR TO TREAT SLEEP DISORDERED BREATHING - Various aspects relate to an implantable device. Various device embodiments include at least one sensor for use in detecting sleep disordered breathing, a pulse generator adapted to deliver a first electrical signal through at least one electrode to stimulate a neural target, and a controller adapted to communicate with the at least one sensor and with the pulse generator. The controller is adapted to detect sleep disordered breathing using the at least one sensor and provide a therapy for sleep disordered breathing in response to a detected apneic event. The therapy for sleep disordered breathing is adapted to deliver the first electrical signal through the at least one electrode to induce a cough reflex to terminate the apneic event. Various embodiments stimulate a superior laryngeal nerve, various embodiments stimulate a recurrent laryngeal nerve, and various embodiments stimulate a vagus nerve. Other aspects and embodiments are provided herein. | 05-13-2010 |