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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Stahmann; Jeffrey E.
Address:
Ramsey, MN
No. of patents:
202
Patents:


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Patent Number Title Of Patent Date Issued
RE42933 Method and apparatus for avoiding unwanted sensing in a cardiac rhythm management device November 15, 2011
A cardiac rhythm management device that utilizes blanking or refractory periods to avoid misidentification of artifacts and evoked potentials, wherein the refractory periods are discontinuous and may be dependent upon sensed events, expiration of a predefined timing interval, or stim
RE40670 Method for collection of biventricular histograms March 17, 2009
A method for operating a cardiac pacemaker in which paces and senses are counted during each cardiac cycle and associated with an R-R interval or other interval defining a cardiac cycle. An event frequency for each sense and pace is calculated which can be displayed as a histogram. The
8571656 Ventricular pacing to augment atrial natriuretic hormone production October 29, 2013
Intermittent delivery of ventricular pacing pulses synchronized to occur during an atrial diastole time period can be used to provide atrial stretch therapy and augment the production and release of atrial natriuretic hormone.
8301252 Advanced patient management with composite parameter indices October 30, 2012
Systems, devices and methods for defining, identifying and utilizing composite parameter indices from health-related parameters are disclosed. One aspect is a programmable device having machine executable instructions for performing a method to assist with managing a patient's health
8295927 Closed loop impedance-based cardiac resynchronization therapy systems, devices, and methods October 23, 2012
This document discusses, among other things, systems, devices, and methods measure an impedance and, in response, adjust an atrioventricular (AV) delay or other cardiac resynchronization therapy (CRT) parameter that synchronizes left and right ventricular contractions. A first exampl
8271083 System for managing refractory periods in a cardiac rhythm management device with biventricular September 18, 2012
A method and system for managing refractory periods in a cardiac rhythm management device configured for biventricular or biatrial sensing. Refractory periods for each channel of the pacemaker are provided by interval timers that are triggered by sensed or paced events in order to pr
8260417 Safety pacing in multi-site CRM devices September 4, 2012
Safety pacing in multi-site cardiac rhythm management (CRM) devices is provided. According to various method embodiments, a first cardiac signal from a first cardiac region and a second cardiac signal from a second cardiac region are sensed. The first cardiac region is paced to maintain
8251061 Methods and systems for control of gas therapy August 28, 2012
A gas therapy system involves sensing the blood gas concentration of the patient and adapting a gas therapy based on the sensed gas concentration. Disordered breathing may be detected bases on blood gas concentration, and gas or cardiac electrical therapy may be adapted to treat the
8249703 Apparatus and method for ventricular rate regularization August 21, 2012
A cardiac rhythm management device which employs pacing therapy to regularize the ventricular rhythm. Such ventricular rate regularization may be employed within bradycardia pacemakers, ventricular resynchronization devices, or implantable cardioverter/defibrillators.
8221327 Therapy control based on cardiopulmonary status July 17, 2012
Methods and systems provide an approach to therapy control based on assessment of a patient's cardiopulmonary status. Conditions sensed via sensors of an external respiratory therapy device are used to assess a patient's cardiopulmonary status. The respiratory therapy device sensors
8221325 Detection of hypovolemia using implantable medical device July 17, 2012
An implantable medical device receives a physiological signal indicative of circulatory blood volume and detects hypovolemia from that physiological signal. In one embodiment, an implantable pulmonary artery pressure (PAP) senses a PAP signal, and the implantable medical device detec
8214034 Device and method for ventricular tracking and pacing July 3, 2012
A device and method for multi chamber pacing a patient's heart having heart failure and intrinsic conduction, wherein ventricular tracking is used to pace the ventricle when the sinus rate exceeds a preset atrial maximum tracking rate. The ventricular tracking pacemaker increases the
8211034 Monitoring of heart sounds July 3, 2012
This document discusses, among other things, a system comprising an implantable medical device (IMD) including an implantable heart sound sensor circuit configured to produce an electrical heart sound signal representative of a heart sound of a subject and a processor circuit. The pr
8200326 Calibration of impedance monitoring of respiratory volumes using thoracic D.C. impedance June 12, 2012
A system includes an implantable medical device that includes a trans-thoracic impedance measurement circuit providing a trans-thoracic impedance signal of a subject. A controller is coupled to the trans-thoracic impedance circuit. The controller extracts a respiration signal from th
8140155 Intermittent pacing therapy delivery statistics March 20, 2012
This document discusses, among other things, an apparatus comprising an implantable cardiac depolarization sensing circuit, an electrical stimulation circuit, and a pacing mode controller. The pacing mode controller is configured to deliver pacing therapy according to a first pacing
8135465 System providing ventricular pacing and biventricular coordination March 13, 2012
A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is computed based at least in part on an underlying intrinsic heart rate. The indicated pacing
8131359 System and method to deliver therapy in presence of another therapy March 6, 2012
Various aspects relate to a method. In various embodiments, a therapy of a first therapy type is delivered, and it is identified whether a therapy of a second therapy type is present to affect the therapy of the first therapy type. Delivery of the therapy is controlled based on the prese
8131351 System and method for correlation of patient health information and implant device data March 6, 2012
A system and method for correlating health related data for display. The system includes a medical device recording data and a display producing device which correlates the data and simultaneously displays different types of data or displays two sets of the same type of data along with
8126566 Performance assessment and adaptation of an acoustic communication link February 28, 2012
Systems and methods for adapting the performance of an acoustic communication link with an implantable medical device (IMD) are disclosed. An illustrative method includes initiating an acoustic link with the IMD, measuring an initial performance of the acoustic link, determining whet
8126548 Closed loop impedance-based cardiac resynchronization therapy systems, devices, and methods February 28, 2012
This document discusses, among other things, systems, devices, and methods measure an impedance and, in response, adjust an atrioventricular (AV) delay or other cardiac resynchronization therapy (CRT) parameter that synchronizes left and right ventricular contractions. A first exampl
8104470 Coordinated use of respiratory and cardiac therapies for sleep disordered breathing January 31, 2012
Methods and systems involve coordinating therapies used for treating disordered breathing. Disordered breathing therapies may include cardiac electrical stimulation therapy and external respiratory therapy as well as other therapies for treating disordered breathing in a patient. The
8103334 Method and system for display of cardiac event intervals in a resynchronization pacemaker January 24, 2012
A cardiac rhythm management system that includes a pacemaker configured for biventricular pacing and an external programmer with an associated display for displaying electrogram data and markers representing ventricular events. Associated with each marker are intraventricular interva
8099165 Expert system and method January 17, 2012
A medical device programmer and a method of operation in which a first data value is received and used in the execution of one or more algorithms. One or more suggested pulse generator settings are calculated from the one or more algorithms based on the first data value, and the one
8096954 Adaptive sampling of heart sounds January 17, 2012
A system and method to sense heart sounds with one or more implantable medical devices according to one or more parameters. The system alters one or more of the parameters as a function of one or more triggering events. The system then senses heart sounds with the one or more implant
8064997 Method and apparatus for treating irregular ventricular contractions such as during atrial arrhy November 22, 2011
A cardiac rhythm management system is capable of treating irregular ventricular heart contractions, such as during atrial tachyarrhythmias such as atrial fibrillation. A first indicated pacing interval is computed based at least partially on a most recent V-V interval duration betwee
8055340 Method and device for comprehensive anti-tachyarrhythmia therapy November 8, 2011
A method and apparatus for delivering therapy to treat ventricular tachyarrhythmias is described. In one embodiment, neural stimulation, anti-tachycardia pacing, and shock therapy are employed in a progressive sequence upon detection of a ventricular tachycardia.
8053740 Method and apparatus for radiation effects detection November 8, 2011
An implantable medical apparatus comprises a solid state electronic circuit, an ionizing radiation exposure sensor, an ionizing radiation dose rate sensor, and a controller circuit. The ionizing radiation exposure sensor is configured to detect an exposure of the solid state electron
8052611 Method and apparatus for management of heart failure hospitalization November 8, 2011
A hospitalization management system including a heart failure analyzer that receives diagnostic data including at least sensor data representative of one or more physiological signals sensed from a hospitalized patient using one or more sensors and assesses risk of rehospitalization
8050753 Safety control system for implantable neural stimulator November 1, 2011
A neural stimulation system includes a safety control system that prevents delivery of neural stimulation pulses from causing potentially harmful effects. The neural stimulation pulses are delivered to one or more nerves to control the physiological functions regulated by the one or
8046069 Method and apparatus for control of cardiac therapy using non-invasive hemodynamic sensor October 25, 2011
A cardiac rhythm management (CRM) system includes a non-invasive hemodynamic sensing device and an implantable medical device to sense a hemodynamic signal and derive one or more cardiac performance parameters from the hemodynamic signal. The non-invasive hemodynamic sensing device i
8043213 Advanced patient management for triaging health-related data using color codes October 25, 2011
Systems, devices and methods for triaging health-related data, such as significant health-related events associated with health-related parameters, are disclosed. One aspect is a method for use in managing a patient's health within a patient management system. In various embodiments
8032208 System and method for displaying a histogram of cardiac events October 4, 2011
Systems, devices and methods are provided for displaying statistical distributions of cardiac events. A device embodiment comprises circuitry adapted to communicate with a medical device that is adapted to acquire data regarding cardiac events occurring at two or more cardiac sites, and
8027719 Method and apparatus for delivering defibrillation shock therapy while reducing electrical dispe September 27, 2011
A method and device for delivering defibrillation shock therapy in patients having an inter-ventricular conduction disorder is presented. Ventricular resynchronization therapy is employed to reduce the dispersion of ventricular depolarization which takes place due to the conduction d
8014860 Thoracic or intracardiac impedance detection with automatic vector selection September 6, 2011
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 elec
8009033 System and method for providing synergistic alert condition processing in an automated patient m August 30, 2011
A system and method for providing synergistic alert condition processing in an automated patient management system is presented. An alert condition is classified along a continuum that includes adverse outcome potential versus medical intervention impact potential. The alert conditio
8002553 Sleep quality data collection and evaluation August 23, 2011
A sleep quality assessment approach involves collecting data based on detected physiological or non-physiological patient conditions. At least one of detecting patient conditions and collecting data is performed using an implantable device. Sleep quality may be evaluated using the co
7996086 Apparatus and method for pacing mode switching during atrial tachyarrhythmias August 9, 2011
A method for operating a cardiac pacemaker in which the mode of operation of the pacemaker is altered in response to detecting an episode of atrial tachycardia. In accordance with the invention, the pacemaker's pacing mode is altered in a manner that attempts to maintain hemodynamic
7993279 Methods and systems for implantably monitoring external breathing therapy August 9, 2011
An implantable device is used to monitor one or more conditions associated with an external breathing therapy delivered to the patient. The device may monitor therapy parameters including therapy effectiveness, impact of the therapy on the patient, therapy usage, compliance with a pr
7991480 Medical device electrodes having cells disposed on nanostructures August 2, 2011
Electrodes for tissue stimulation and sensing can comprise a support with nanostructures disposed on the support. Pairs of the electrodes can be placed in close proximity to one another. When electrical energy is supplied to the electrodes, an electrical field (and possibly an electr
7991468 Pacing and sensing vectors August 2, 2011
A method for allowing cardiac signals to be sensed and pacing pulse vectors to be delivered between two or more electrodes. In one embodiment, cardiac signals are sensed and pacing pulse vectors are delivered between least one of a first left ventricular electrode and a second left v
7983759 Advanced patient management for reporting multiple health-related parameters July 19, 2011
Systems, devices and methods for reporting multiple health-related parameters are disclosed. One aspect is a programmable device having machine executable instructions for performing a method to report multiple parameters related to a health condition of a patient. In various embodim
7983745 Advanced patient management with environmental data July 19, 2011
Systems, devices and methods for using environmental data to manage health care are disclosed. One aspect is an advanced patient management system. In various embodiments, the system includes at least one implantable medical device (IMD) to acquire at least one IMD parameter indicati
7981042 Use of external respiratory therapy device to detect cardiac electrical activity July 19, 2011
Methods and systems provide an integrated approach to respiratory and cardiac monitoring, diagnosis and/or therapy. A medical system includes one or more cardiac electrodes coupled to an external respiratory therapy device. The cardiac electrodes sense cardiac electrical activity that is
7979115 Detection of pleural effusion using transthoracic impedance July 12, 2011
This patent document discusses systems, devices, and methods for increasing a sensitivity or specificity of thoracic fluid detection in a subject and differentiating between pleural effusion and pulmonary edema. In one example, a thoracic impedance measurement circuit senses a thorac
7970470 Diagnosis and/or therapy using blood chemistry/expired gas parameter analysis June 28, 2011
Methods and systems for diagnosing disorders, including, for example, disordered breathing, involve sensing one or more of a blood chemistry parameter and/or an expired gas parameter, such as expired respiratory gas concentration, blood gas concentration, and blood pH. Diagnosis of t
7967756 Respiratory therapy control based on cardiac cycle June 28, 2011
Methods and systems involve adjusting respiratory therapy based on cardiac cycle phase. A parameter indicative of cardiac cycle is sensed and the respiratory therapy is adjusted based on cardiac cycle phase. Modulation of respiratory therapy pressure reinforces the pumping action of
7966066 Apparatus and method for optimizing atrioventricular delay June 21, 2011
Systems and methods to optimize atrioventricular delay during sensing or pacing of the atrium and for a plurality of sensed rates or pacing rates. In one example, a paced atrioventricular delay is calculated using a sensed atrioventricular interval and a paced atrioventricular interval.
7959568 Advanced patient management for identifying, displaying and assisting with correlating health-re June 14, 2011
Systems, devices and methods for identifying, displaying and assisting in correlating health-related data. One aspect is a programmable device having machine executable instructions for performing a method for use in correlating data to manage a patient's health. In various embodiments,
7955269 Method and apparatus for pulmonary artery pressure signal isolation June 7, 2011
An implantable system senses a pulmonary artery pressure (PAP) signal using an implantable sensor placed in the pulmonary artery and isolates a plurality of signals from the PAP signal for diagnostic and/or therapeutic use. Each signal is extracted from the PAP signal using its known
7953485 Therapy control based on the rate of change of intracardiac impedance May 31, 2011
A system comprising a medical device that includes an impedance measurement circuit adapted to be coupled to implantable electrodes to obtain an intracardiac impedance signal between electrodes, a therapy circuit operable to deliver a therapy to a subject, and a controller circuit co
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