WO2014149550A3 - Feedback systems and methods utilizing two or more sites along denervation catheter - Google Patents

Feedback systems and methods utilizing two or more sites along denervation catheter

Info

Publication number
WO2014149550A3
WO2014149550A3 PCT/US2014/019488 US2014019488W WO2014149550A3 WO 2014149550 A3 WO2014149550 A3 WO 2014149550A3 US 2014019488 W US2014019488 W US 2014019488W WO 2014149550 A3 WO2014149550 A3 WO 2014149550A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
renal
denervation
catheter
flow
determining
Prior art date
Application number
PCT/US2014/019488
Other languages
French (fr)
Other versions
WO2014149550A2 (en )
Inventor
Yelena Nabutovsky
Edward Karst
Xiaoyi Min
Stuart Rosenberg
Kritika Gupta
Original Assignee
St. Jude Medical, Cardiology Division, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0538Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/48Other medical applications
    • A61B5/4848Monitoring or testing the effects of treatment, e.g. of medication
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00863Fluid flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026Measuring blood flow
    • A61B5/0261Measuring blood flow using optical means, e.g. infra-red light
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/20Detecting, measuring or recording for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/201Assessing renal or kidney functions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06Measuring blood flow

Abstract

A renal denervation system includes a renal denervation catheter and a flow determining system. The renal denervation catheter includes a plurality of ablation members positioned at a distal end portion thereof. The renal denervation catheter is insertable into a renal artery. The flow determining system includes a processor and first and second flow determining members spaced apart on the renal denervation catheter. The processor is configured to determine a change in blood flow through the renal artery resulting from a renal denervation procedure using the renal denervation catheter in response to input from the first and second flow determining members.
PCT/US2014/019488 2013-03-15 2014-02-28 Feedback systems and methods utilizing two or more sites along denervation catheter WO2014149550A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/840,244 2013-03-15
US13840244 US9186212B2 (en) 2013-03-15 2013-03-15 Feedback systems and methods utilizing two or more sites along denervation catheter

Publications (2)

Publication Number Publication Date
WO2014149550A2 true WO2014149550A2 (en) 2014-09-25
WO2014149550A3 true true WO2014149550A3 (en) 2014-11-13

Family

ID=50391382

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/019488 WO2014149550A3 (en) 2013-03-15 2014-02-28 Feedback systems and methods utilizing two or more sites along denervation catheter

Country Status (2)

Country Link
US (1) US9186212B2 (en)
WO (1) WO2014149550A3 (en)

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US9327123B2 (en) 2011-11-07 2016-05-03 Medtronic Ardian Luxembourg S.A.R.L. Endovascular nerve monitoring devices and associated systems and methods
US9326816B2 (en) 2013-08-30 2016-05-03 Medtronic Ardian Luxembourg S.A.R.L. Neuromodulation systems having nerve monitoring assemblies and associated devices, systems, and methods
US9339332B2 (en) 2013-08-30 2016-05-17 Medtronic Ardian Luxembourg S.A.R.L. Neuromodulation catheters with nerve monitoring features for transmitting digital neural signals and associated systems and methods
US9510777B2 (en) 2012-03-08 2016-12-06 Medtronic Ardian Luxembourg S.A.R.L. Monitoring of neuromodulation using biomarkers
US9579149B2 (en) 2014-03-13 2017-02-28 Medtronic Ardian Luxembourg S.A.R.L. Low profile catheter assemblies and associated systems and methods

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US8150519B2 (en) 2002-04-08 2012-04-03 Ardian, Inc. Methods and apparatus for bilateral renal neuromodulation
US20070021803A1 (en) 2005-07-22 2007-01-25 The Foundry Inc. Systems and methods for neuromodulation for treatment of pain and other disorders associated with nerve conduction
ES2361583T3 (en) 2006-06-28 2011-06-20 Ardian, Inc. Renal neuromodulation system for thermally induced.
CN103313671B (en) 2010-10-25 2017-06-06 美敦力Af卢森堡有限责任公司 And a feedback means for estimating neuromodulation therapy system and method
US20160095535A1 (en) * 2014-10-01 2016-04-07 Medtronic Ardian Luxembourg S.a.r.I. Systems and Methods for Evaluating Neuromodulation Therapy Via Hemodynamic Responses

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US20020123749A1 (en) * 2001-03-01 2002-09-05 Jain Mudit K. Ablation catheter with transducer for providing one or more of pressure, temperature and fluid flow data for use in controlling ablation therapy
US20050288730A1 (en) * 2002-04-08 2005-12-29 Mark Deem Methods and apparatus for renal neuromodulation
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Also Published As

Publication number Publication date Type
WO2014149550A2 (en) 2014-09-25 application
US20140276746A1 (en) 2014-09-18 application
US9186212B2 (en) 2015-11-17 grant

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