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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 16. Отображено 15.
15-12-2016 дата публикации

METHOD AND APPARATUS FOR MONITORING TISUE FLUID CONTENT FOR USE IN AN IMPLANTABLE CARDIAC DEVICE

Номер: US20160361026A1
Автор: Shantanu Sarkar, Douglas A. Hettrick, Amul Y. Desai, Randolph M. Biallas, Holly S. Vitense, Jodi L. Redemske, SARKAR SHANTANU, HETTRICK DOUGLAS A, DESAI AMUL Y, BIALLAS RANDOLPH M, VITENSE HOLLY S, REDEMSKE JODI L, Sarkar Shantanu, Hettrick Douglas A., Desai Amul Y., Biallas Randolph M., Vitense Holly S., Redemske Jodi L.
Принадлежит: Medtronic, Inc.

Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A system is provided that monitors a multiple diagnostic parameters indicative of worsening heart failure. The parameters preferably include are least one parameter acquired from an implanted device, such as intrathoracic impedance. The system device derives an index of the likelihood of worsening heart failure based upon the parameters using a Bayesian approach and displays the resultant index for review by a physician. 1. A method comprising:monitoring at multiple primary diagnostic parameters associated with worsening heart failure, including receiving at least one of said parameters from an implanted medical device;deriving an index of the likelihood of worsening heart failure from the multiple diagnostic parameters by using a Bayesian approach; anddisplaying the derived index.2. The method of claim 1 , wherein the received parameter from the implanted medical device comprises intrathoracic impedance.3. The method of claim 1 , further comprising generating an alert in response to detecting worsening heart failure in the patient.4. The method of claim 1 , further comprising automatically modifying a therapy delivered to the patient in response to detecting worsening heart failure in the patient.516. The method of claim claim 1 , wherein the therapy comprises at least one of a substance delivered by an implantable pump claim 1 , cardiac resynchronization therapy claim 1 , refractory period stimulation claim 1 , or cardiac potentiation therapy.6. A system comprising:at least one implantable sensor;a processor that:monitors multiple parameters associated with worsening heart failure, including at least one parameter received from the sensor from an implanted medical device;derives an index of the likelihood of worsening heart failure from the multiple diagnostic parameters by using a Bayesian approach; anda display responsive to the processor ...

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Номер записи: 1
03-05-2012 дата публикации

SYSTEM AND METHOD FOR IDENTIFYING A PROSPECTIVE CLINICAL THERAPY FOR A PROSPECTIVE PATIENT HAVING A MEDICAL DEVICE

Номер: US20120109675A1
Автор: Redemske Jodi L., Sarkar Shantanu, Ziegler Paul D.
Принадлежит:

System and method for identifying a prospective clinical therapy for a prospective patient. The patient has a medical device, performed with a medical apparatus. The system has a historical database and an analyzer. The historical database incorporates information relating to a multiplicity of patients, each of the multiplicity of patients having a medical device and each of the multiplicity of patients having undergone a clinical therapy, the information including, for each of the multiplicity of patients, device characteristics of the medical device and an assessment of efficacy of clinical therapy. The analyzer correlates device characteristics of the prospective patient with the device characteristics and the assessment of efficacy of clinical therapy of the multiplicity of patients using the historical database to identify a prospective clinical therapy for the prospective patient associated with the device characteristics in the historical database having a relatively greater efficacy than the clinical therapy. 1. A system for identifying a prospective clinical therapy for a prospective patient having a medical device , performed with a medical apparatus , comprising:a historical database incorporating information relating to a multiplicity of patients, each of said multiplicity of patients having a medical device and each of said multiplicity of patients having undergone a clinical therapy, said information comprising, for each of said multiplicity of patients, device characteristics of said medical device and an assessment of efficacy of clinical therapy; andan analyzer for correlating device characteristics of said prospective patient with said device characteristics and said assessment of efficacy of clinical therapy of said multiplicity of patients using said historical database to identify a prospective clinical therapy for said prospective patient associated with said device characteristics in said historical database having a relatively greater ...

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Номер записи: 2
04-10-2012 дата публикации

HEART FAILURE MONITORING

Номер: US20120253207A1
Автор: Hettrick Douglas A., Ousdigian Kevin T., Redemske Jodi L., Sarkar Shantanu, Warman Eduardo N.
Принадлежит: Medtronic, Inc.

Techniques for transmitting diagnostic information stored in an implantable medical device (IMD) based on patient hospitalization are described. For example, the IMD may transmit higher resolution diagnostic information to a clinician and/or an external device during a hospitalization period to aid the clinician in evaluating heart failure treatment and when discharge is proper. This higher resolution diagnostic information may include one or more patient metrics automatically generated and transmitted by the IMD at least once every two hours. During a post-hospitalization period, the IMD may transmit lower resolution diagnostic information to a clinician that indicates a risk level of re-hospitalization. The lower resolution diagnostic information may include the risk level and/or patient metrics once a day, for example. In this manner, the IMD transmitted diagnostic information may be tailored to the specific heart failure monitoring needed by the patient. 1. A method comprising:storing a plurality of automatically detected patient metrics within an implantable medical device of a patient;transmitting higher resolution diagnostic information during a hospitalization period of the patient, wherein the higher resolution diagnostic information is based on at least one of the plurality of patient metrics and indicative of heart failure; andtransmitting lower resolution diagnostic information during a post-hospitalization period of the patient, wherein the lower resolution diagnostic information is based on the plurality of patient metrics and indicative of a risk of re-hospitalization due to heart failure.2. The method of claim 1 , wherein the higher resolution diagnostic information comprises values of the at least one patient metric detected at least one of:once every two hours; oron-demand during the hospitalization period.3. The method of claim 2 , wherein the at least one patient metric comprises at least one of an intrathoracic impedance claim 2 , a thoracic ...

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Номер записи: 3
02-02-2017 дата публикации

Absolute intrathoracic impedance based scheme to stratify patients for risk of a heart failure event

Номер: US20170027474A1
Автор: Jodi L Redemske, Vinod Sharma
Принадлежит: MEDTRONIC INC

A health care system acquires data determines whether a patient is at risk of hypervolemia or hypovolemia. The method comprises (a) acquiring from a device memory a patient's absolute intrathoracic impedance data over a pre-specified time period, (b) determining a running average of the intrathoracic impedance data over the pre-specified time period, and (c) determining by the system whether the running average of the intrathoracic impedance data over the pre-specified time period exceeds one of a first and second range, the first range being a higher value boundary of intrathoracic electrical impedance and the second range being a lower value boundary of intrathoracic electrical impedance.

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Номер записи: 4
01-04-2021 дата публикации

DETERMINING LIKELIHOOD OF AN ADVERSE HEALTH EVENT BASED ON VARIOUS PHYSIOLOGICAL DIAGNOSTIC STATES

Номер: US20210093254A1
Автор: Burnes John E., Eisele, III Val D., Lee Brian B., Redemske Jodi L., Reiland Jerry D., Reinke Matthew T, Sarkar Shantanu, Warman Eduardo N., Zielinski Todd M.
Принадлежит:

Techniques for determining a likeliness that a patient may incur an adverse health event are described. An example technique may include utilizing a probability model that uses as evidence nodes various diagnostic states of physiological parameters, which may include one or more subcutaneous impedance parameters. The probability model may include a Bayesian Network that determines a posterior probability of the adverse health event occurring within a predetermined period of time. 1. A system for monitoring health events , the system comprising:an implantable medical device (IMD) comprising a plurality of electrodes and configured for subcutaneous implantation in a patient, wherein the IMD is configured to determine one or more subcutaneous tissue impedance measurements via the electrodes; and determine a respective one or more values for each of a plurality of physiological parameters, the plurality of physiological parameters including one or more subcutaneous tissue impedance parameters determined from the one or more subcutaneous tissue impedance measurements;', 'identify a diagnostic state for each of the physiological parameters based on the respective values, the diagnostic states defining a plurality of evidence nodes for a probability model; and', 'determine, from the probability model, a probability score indicating a likelihood that the patient (a) is experiencing an adverse health event or (b) is likely to experience the adverse health event within a predetermined amount of time., 'processing circuitry coupled to the one or more storage devices, and configured to2. The system of claim 1 , wherein the determined values of the physiological parameters correspond to a preceding timeframe relative to when the probability score is determined.3. The system of claim 1 , wherein the physiological parameters include values corresponding to at least one of: heart rate variability (HRV) claim 1 , night heart rate (NHR) claim 1 , patient activity (ACT) claim 1 , ...

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Номер записи: 5
10-05-2018 дата публикации

METHOD AND APPARATUS FOR MONITORING TISSUE FLUID CONTENT FOR USE IN AN IMPLANTABLE CARDIAC DEVICE

Номер: US20180126172A1
Автор: Biallas Randolph M., Desai Amul Y., Hettrick Douglas A., Redemske Jodi L., Sarkar Shantanu, Vitense Holly S.
Принадлежит:

Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A system is provided that monitors a multiple diagnostic parameters indicative of worsening heart failure. The parameters preferably include are least one parameter acquired from an implanted device, such as intrathoracic impedance. The system device derives an index of the likelihood of worsening heart failure based upon the parameters using a Bayesian approach and displays the resultant index for review by a physician. 1. A method comprising:monitoring primary and secondary diagnostic parameters associated with heart failure, said primary parameters including intrathoracic impedance, including receiving at least one of said primary parameters from an implanted medical device, said secondary parameters including clinical data not received from the implanted medical device;deriving an index from the multiple diagnostic parameters by using a Bayesian approach, the index indicating probability of occurrence of a heart failure event; anddisplaying the derived index; andmodifying a therapy delivered to the patient in response to the index.2. The method of claim 1 , wherein the received parameter from the implanted medical device comprises the intrathoracic impedance.3. The method of claim 1 , further comprising generating an alert in response to the index.4. The method of wherein the clinical data comprises lab results.5. The method of wherein the clinical data comprises symptoms.6. The method of wherein the clinical data comprises health care utilizations.7. The method of wherein the clinical data comprises weight.8. The method of wherein the clinical data comprises blood pressure.9. The method of wherein the clinical data comprises medication adherence.10. The method of claim 1 , wherein the therapy comprises at least one of a substance delivered by an implantable pump claim 1 , cardiac resynchronization therapy claim 1 , refractory period ...

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Номер записи: 6
23-04-2020 дата публикации

Heart failure monitoring

Номер: US20200121187A1
Автор: Douglas A. Hettrick, Eduardo N. Warman, Jodi L. Redemske, Kevin T. Ousdigian, Shantanu Sarkar
Принадлежит: MEDTRONIC INC

Techniques for transmitting diagnostic information stored in an implantable medical device (IMD) based on patient hospitalization are described. For example, the IMD may transmit higher resolution diagnostic information to a clinician and/or an external device during a hospitalization period to aid the clinician in evaluating heart failure treatment and when discharge is proper. This higher resolution diagnostic information may include one or more patient metrics automatically generated and transmitted by the IMD at least once every two hours. During a post-hospitalization period, the IMD may transmit lower resolution diagnostic information to a clinician that indicates a risk level of re-hospitalization. The lower resolution diagnostic information may include the risk level and/or patient metrics once a day, for example. In this manner, the IMD transmitted diagnostic information may be tailored to the specific heart failure monitoring needed by the patient.

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Номер записи: 7
21-11-2019 дата публикации

ABSOLUTE INTRATHORACIC IMPEDANCE BASED SCHEME TO STRATIFY PATIENTS FOR RISK OF A HEART FAILURE EVENT

Номер: US20190350488A1
Автор: Redemske Jodi L., Sharma Vinod
Принадлежит:

A health care system acquires data determines whether a patient is at risk of hypervolemia or hypovolemia. The method comprises (a) acquiring from a device memory a patient's absolute intrathoracic impedance data over a pre-specified time period, (b) determining a running average of the intrathoracic impedance data over the pre-specified time period, and (c) determining by the system whether the running average of the intrathoracic impedance data over the pre-specified time period exceeds one of a first and second range, the first range being a higher value boundary of intrathoracic electrical impedance and the second range being a lower value boundary of intrathoracic electrical impedance. 1. A medical system for determining whether a patient is at risk of exhibiting excessive fluid or dehydration and for delivering treatment in response thereto , the system comprising: a processor configured to:', 'a) determine an average of the intrathoracic impedance data over the time period;', '(b) define a target impedance range having a lower bound defined by a first range and an upper bound defined by a second range, the first range comprising lower value intrathoracic electrical impedances and the second range comprising higher value intrathoracic electrical impedances;', '(c) determine whether the average of the intrathoracic impedance data is outside of the target impedance range; and', '(d) in response to the intrathoracic impedance data being outside the target impedance range c, determine a level of heart failure (HF) event risk; and', 'means for adjusting therapy delivered to the patient by a cardiac pacemaker in response to step (d), wherein the therapy is adjusted by switching to one of fusion pacing, biventricular pacing, and multisite pacing delivered by the cardiac pacemaker., "an implantable medical having a device memory storing a patient's absolute intrathoracic impedance data over a time period;"}2. The system of wherein the processor determines that the ...

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Номер записи: 8
07-03-2024 дата публикации

Identifying ejection fraction using a single lead cardiac electrogram sensed by a medical device

Номер: WO2024049563A1
Автор: Jodi L. Redemske, Neethu Lekshmi VASUDEVAN JALAJA, Sean R. Landman, Shantanu Sarkar
Принадлежит: Medtronic, Inc.

An example system for determining reduced ejection fraction includes two or more electrodes forming a single lead configured to capture a cardiac electrogram (EGM) signal of a patient, circuitry configured to: convert the EGM signal to a time -frequency domain using a continuous wavelet transform; and apply the converted EGM signal to a convolutional neural network to determine one or more of an amount of ejection fraction or a classification of ejection fraction.

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Номер записи: 9
02-02-2017 дата публикации

Absolute intrathoracic impedance based scheme to stratify patients for risk of a heart failure event

Номер: WO2017019950A1
Автор: Jodi L. Redemske, Vinod Sharma
Принадлежит: Medtronic, Inc.

A health care system acquires data determines whether a patient is at risk of hypervolemia or hypovolemia. The method comprises (a) acquiring from a device memory a patient's absolute intrathoracic impedance data over a pre-specified time period, (b) determining a running average of the intrathoracic impedance data over the pre-specified time period, and (c) determining by the system whether the running average of the intrathoracic impedance data over the pre-specified time period exceeds one of a first and second range, the first range being a higher value boundary of intrathoracic electrical impedance and the second range being a lower value boundary of intrathoracic electrical impedance.

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Номер записи: 10
26-10-2023 дата публикации

Sensing and diagnosing adverse health event risk

Номер: WO2023203450A1
Автор: Andrew Radtke, Bruce D. Gunderson, Gautham Rajagopal, James LIBBEY, Jerry D. REILAND, Jodi L. Redemske, John E. Burnes, Juliana E. Pronovici, Ryan D. WYSZYNSKI, Shantanu Sarkar, Shubha MAJUMDER, Steven G. Nelson, Val D EISELE III, Yong K. Cho
Принадлежит: Medtronic, Inc.

An example system includes an implantable medical device and processing circuitry. The processing circuitry is configured to determine a first respective one or more values for each of first physiological parameters, the first physiological parameters including one or more subcutaneous tissue impedance parameters determined from one or more subcutaneous tissue impedance measurements, determine a second respective value for each of second physiological parameters, the second physiological parameters including one or more second parameters determined from one or more second measurements, identify a first diagnostic state for each of the first physiological parameters based on the first respective values, identify a second diagnostic state for each of the second physiological parameters based on the second respective values, the first and second diagnostic states defining inputs for a probability model, and determine, from the probability model, a probability score indicating a likelihood of an adverse health event.

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Номер записи: 11
26-10-2023 дата публикации

High-resolution diagnostic data system for patient recovery after heart failure intervention

Номер: WO2023203437A1
Автор: Amanda D. TAYLOR, Ekaterina M. Ippolito, Hyun J. Yoon, Jodi L. Redemske, Juliana E. Pronovici, Kate ARNEBECK, Sean R. Landman, Shantanu Sarkar, Steven G. Nelson, Veronica RAMOS
Принадлежит: Medtronic, Inc.

An example system includes an implantable medical device (IMD), processing circuitry, and communication circuitry. The IMD is configured to receive signals from sensors, determine a plurality of detected patient metrics based on the received signals, and store the plurality of determined patient metrics in the memory. The processing circuitry is to generate higher resolution diagnostic information based on the plurality of patient metrics during an initiated period of time, wherein the initiated period of time is initiated based on an intervention being provided to the patient and/or receiving a user input. The higher resolution diagnostic information is of at least one of the plurality of patient metrics and indicative of heart recovery. The communication circuitry is configured to transmit the higher resolution diagnostic information to indicate a degree of recovery for patient metrics indicative of heart recovery.

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Номер записи: 12
03-08-2022 дата публикации

Determining likelihood of an adverse health event based on various physiological diagnostic states

Номер: EP4033971A1
Автор: Brian B. Lee, Eduardo N. Warman, Jerry D. REILAND, Jodi L. Redemske, John E. Burnes, Matthew T. REINKE, Shantanu Sarkar, Todd M. Zielinski, Val D. EISELE III
Принадлежит: MEDTRONIC INC

Techniques for determining a likeliness that a patient may incur an adverse health event are described. An example technique may include utilizing a probability model that uses as evidence nodes various diagnostic states of physiological parameters, which may include one or more subcutaneous impedance parameters. The probability model may include a Bayesian Network that determines a posterior probability of the adverse health event occurring within a predetermined period of time.

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Номер записи: 13
05-09-2023 дата публикации

Absolute intrathoracic impedance based scheme to stratify patients for risk of a heart failure event

Номер: US11744478B2
Автор: Jodi L. Redemske, Vinod Sharma
Принадлежит: MEDTRONIC INC

A health care system acquires data determines whether a patient is at risk of hypervolemia or hypovolemia. The method comprises (a) acquiring from a device memory a patient's absolute intrathoracic impedance data over a pre-specified time period, (b) determining a running average of the intrathoracic impedance data over the pre-specified time period, and (c) determining by the system whether the running average of the intrathoracic impedance data over the pre-specified time period exceeds one of a first and second range, the first range being a higher value boundary of intrathoracic electrical impedance and the second range being a lower value boundary of intrathoracic electrical impedance.

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Номер записи: 14
06-09-2024 дата публикации

Identifying ejection fraction using a single lead cardiac electrogram sensed by a medical device

Номер: WO2024182052A1
Автор: Jodi L. Redemske, Neethu Lekshmi VASUDEVAN JALAJA, Sean R. Landman, Shantanu Sarkar
Принадлежит: Medtronic, Inc.

An example system for determining reduced ejection fraction includes two or more electrodes forming a single lead configured to capture a cardiac electrogram (EGM) signal of a patient, circuitry configured to: convert the EGM signal to a time -frequency domain using a continuous wavelet transform; and apply the converted EGM signal to a convolutional neural network to determine one or more of an amount of ejection fraction or a classification of ejection fraction.

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Номер записи: 15