Patent application number | Description | Published |
20100016920 | SYSTEMS AND METHODS FOR COLLECTING PATIENT EVENT INFORMATION - A method of and system for collecting patient event information from a cardiac rhythm management system (CRM system) is described, where the CRM system includes a cardiac rhythm management device (CRM device) and an external interface device. The method includes the steps of initiating a transmission session wherein the interface device communicates with the CRM device, prompting a user of the CRM system to select a reason for the transmission session, inputting the selected reason for the transmission session to the interface device, and storing the selected reason for the transmission session and timestamp information for the transmission session. | 01-21-2010 |
20100045467 | WITHIN-PATIENT ALGORITHM TO PREDICT HEART FAILURE DECOMPENSATION - This document discusses, among other things, systems and methods for predicting heart failure decompensation using within-patient diagnostics. A method comprises detecting an alert status of each of one or more sensors; calculating an alert score by combining the detected alerts; and calculating a composite alert score, the composite alert score being indicative of a physiological condition and comprising a combination of two or more alert scores. | 02-25-2010 |
20100056931 | CARDIAC OUTPUT ESTIMATION USING PULMONARY ARTERY PRESSURE - A system and method sense a pressure signal in a pulmonary artery and compute a stroke volume and cardiac output. A pressure signal is received from an implantable pressure sensor disposed in a pulmonary artery. The pressure signal includes a systolic period and a diastolic period for determining a heart rate (HR) and a heart cycle. An iteratively-updating model can relate pressure signal and HR to a stroke volume (SV) and a cardiac output (CO). The model extracts a mean pulse pressure (MPP) from the PAP signal and receives a patient-specific vascular resistance model parameter and a patient-specific arterial compliance model parameter. CO can be calculated using the HR, the PAP signal, and the model. The vascular resistance model parameter and the arterial compliance model parameter are iteratively updated using the output of the model. | 03-04-2010 |
20100106036 | ARRYTHMIA ADJUDICATION AND THERAPY TRAINING SYSTEMS AND METHODS - A system and method for presenting arrhythmia episode information to a user are described. An episode database has episode data regarding a plurality of different arrhythmia episodes generated from a plurality of data-generating devices. A user interface is configured to display the episode data for one of the arrhythmia episodes and receive characterization data from the user characterizing the displayed episode data. An adjudication database has adjudication conclusions associated with the arrhythmia episodes in the episode database. The system further includes an adjudication processor, configured to process characterization data relative to the adjudication database. | 04-29-2010 |
20110022981 | PRESENTATION OF DEVICE UTILIZATION AND OUTCOME FROM A PATIENT MANAGEMENT SYSTEM - In a graphical user interface displayed in an electronic display of a computing device, a first device profile and second device profile are presented, the first and second device profiles each comprising at least one device parameter used to configure a medical device of a subject. A user input control is presented to select one of the first or second device profiles to provide a selected device profile. A probabilistic outcome of the subject corresponding to the selected device profile is then presented. | 01-27-2011 |
20110319726 | WITHIN-PATIENT ALGORITHM TO PREDICT HEART FAILURE DECOMPENSATION - This document discusses, among other things, systems and methods for predicting heart failure decompensation using within-patient diagnostics. A method comprises detecting an alert status of each of one or more sensors; calculating an alert score by combining the detected alerts; and calculating a composite alert score, the composite alert score being indicative of a physiological condition and comprising a combination of two or more alert scores. | 12-29-2011 |
20120191153 | DIAGNOSIS OF LEAD FRACTURE AND CONNECTION PROBLEMS - Techniques for diagnosing lead fractures and lead connection problems are described. One or more medical leads may be coupled to an implantable medical device (IMD) to position electrodes or other sensors at different locations within a patient than the IMD. The IMD may include a lead diagnostic module configured to diagnose problems with a coupled lead and automatically select between a lead fracture problem and a lead connection problem based on the diagnosis. The diagnosis of either lead fracture problems or lead connection problems may be based on a timing of an increased impedance value with respect to connection of the lead to the IMD, a return to baseline impedance values after the increased impedance value, an abrupt rise of the increased impedance value, maximum impedance values, or oversensing. An external device may present the diagnosis to a user to facilitate appropriate corrective action. | 07-26-2012 |
20120271183 | WITHIN-PATIENT ALGORITHM TO PREDICT HEART FAILURE DECOMPENSATION - This document discusses, among other things, systems and methods for predicting heart failure decompensation using within-patient diagnostics. A method comprises detecting an alert status of each of one or more sensors; calculating an alert score by combining the detected alerts; and calculating a composite alert score, the composite alert score being indicative of a physiological condition and comprising a combination of two or more alert scores. | 10-25-2012 |
20120303086 | SYSTEMS AND METHODS FOR COLLECTING PATIENT EVENT INFORMATION - A method of and system for collecting patient event information is described, where the system includes an implantable medical (IMD) and an external interface device. The external interface device is remote from the IMD and includes a communication module, a display device adapted to prompt a user of the system to select a reason for a particular transmission session and a user input device adopted to accept input indicating a selected reason. | 11-29-2012 |
20130211266 | DIFFERENTIATING DECOMPENSATION DETECTION BASED ON CO-MORBIDITIES IN HEART FAILURE - This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process. | 08-15-2013 |
20130245466 | WITHIN-PATIENT ALGORITHM TO PREDICT HEART FAILURE DECOMPENSATION - This document discusses, among other things, systems and methods for predicting heart failure decompensation using within-patient diagnostics. A method comprises detecting an alert status of each of one or more sensors; calculating an alert score by combining the detected alerts; and calculating a composite alert score, the composite alert score being indicative of a physiological condition and comprising a combination of two or more alert scores. | 09-19-2013 |
20130331919 | SYSTEM FOR STIMULATING AUTONOMIC TARGETS FROM PULMONARY ARTERY - Various implantable medical device embodiments stimulate an autonomic neural target from within a pulmonary artery, and comprise at least one electrode, a power supply, a neural stimulator connected to the power supply, and an anchor structure. The neural stimulator is configured to generate a neural stimulation signal for delivery to the neural stimulation target through the at least one electrode. The anchor structure is configured to chronically and securely implant the neural stimulator, the power supply and the at least one electrode within the pulmonary artery. The anchor structure, the neural stimulator, the power supply and the at least one electrode are configured to be implanted through a pulmonary valve into the pulmonary artery. In various embodiments, the neural stimulator is configured to be operational to implement a neural stimulation protocol when chronically implanted within the pulmonary artery without a wired connection through the pulmonary valve. | 12-12-2013 |
20140107503 | DIFFERENTIATING DECOMPENSATION DETECTION BASED ON CO-MORBIDITIES IN HEART FAILURE - This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process. | 04-17-2014 |
Patent application number | Description | Published |
20090043355 | SYSTEM FOR EVALUATING PERFORMANCE OF AN IMPLANTABLE MEDICAL DEVICE - A system evaluates the performance of an implantable medical device, such as by using a remote external server and a user interface and stored historical physiological data of a population of congestive heart failure (CHF) patients. A processor is coupled to a patient data storage device to apply multiple algorithm variations against the same implantable physiological data from the patient to produce corresponding resulting CHF indicators. The user interface includes a display that is configured to display to a user information allowing comparison between the resulting CHF indicators from the multiple algorithm variations. The display also includes a population data selector to permit the user to select physiological data from a population that includes a different set of one or more patients or physiological data collected over a period of time from the patient. This permits optimization of an algorithm parameter or selection of a best performing algorithm. | 02-12-2009 |
20090048503 | GLYCEMIC CONTROL MONITORING USING IMPLANTABLE MEDICAL DEVICE - An apparatus for monitoring a patient's blood glucose level. The apparatus includes an implantable medical device having a controller and an implantable heart sounds sensor configured to transmit signals to the controller of the implantable medical device. The controller is configured to determine if a patient is hypoglycemic or hyperglycemic based on the signals from the heart sounds sensor. A method is also disclosed that includes sensing the patient's heart sounds, determining the amplitude of the S2 heart sound, determining the length of the interval from the S1 heart sound to the S2 | 02-19-2009 |
20090099426 | DIFFERENTIATING DECOMPENSATION DETECTION BASED ON CO-MORBIDITIES IN HEART FAILURE - This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process. | 04-16-2009 |
20090149719 | System And Method For Performing Remote Patient Risk Assessment Through A Visual Analog Scale - A system and method for integrating qualitative assessment into remote patient management through a visual analog scale is provided. A query is associated to a physiological condition. A visual analog scale includes a linear gradient and, at each end, descriptors for a range of subjective and continuous responses to the query. Assessment data for a patient is obtained. A medical device of the patient is interrogated and stored data is received. The query is displayed with the visual analog scale. An answer to the query includes a point selected between the ends of and along the linear gradient. A distance of the point from one end of the linear gradient is determined. The distance is quantified as a fixed value in proportion to the distance. A risk to the patient is assessed. The stored data and the fixed value are analyzed against the physiological condition to represent patient wellness. | 06-11-2009 |