BR112013031673A2 - guidewire device configured to evaluate one or more vascular body lumens - Google Patents

guidewire device configured to evaluate one or more vascular body lumens

Info

Publication number
BR112013031673A2
BR112013031673A2 BR112013031673A BR112013031673A BR112013031673A2 BR 112013031673 A2 BR112013031673 A2 BR 112013031673A2 BR 112013031673 A BR112013031673 A BR 112013031673A BR 112013031673 A BR112013031673 A BR 112013031673A BR 112013031673 A2 BR112013031673 A2 BR 112013031673A2
Authority
BR
Brazil
Prior art keywords
guidewire
functional
anatomical
parameters
plan
Prior art date
Application number
BR112013031673A
Other languages
Portuguese (pt)
Inventor
Goutam Dutta
Nitin Patil
Raghavan Subramaniyan
Original Assignee
Angiometrix Corp
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
Priority claimed from US13/159,298 external-priority patent/US8798712B2/en
Priority claimed from US13/305,630 external-priority patent/US8494794B2/en
Application filed by Angiometrix Corp filed Critical Angiometrix Corp
Publication of BR112013031673A2 publication Critical patent/BR112013031673A2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, 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
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/065—Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on the probe
    • A61B5/068—Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on the probe using impedance sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1018—Balloon inflating or inflation-control devices
    • A61M25/10184—Means for controlling or monitoring inflation or deflation
    • A61M25/10187—Indicators for the level of inflation or deflation
    • A61M25/10188—Inflation or deflation data displays

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Dentistry (AREA)
  • Physiology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Human Computer Interaction (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Electrotherapy Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Surgical Instruments (AREA)
  • Endoscopes (AREA)

Abstract

resumo dispositivo de fio-guia configurado para avaliar um ou mais lúmens corporais vasculares conjuntos de fio-guia multifuncional e sistema para analisar os parâmetros anatômicos e funcionais são descritos. utilizando uma única montagem do fio-guia, medições funcionais e anatômicas e identificação de lesões podem ser feitas. medições funcionais como pressão podem ser obtidas com um sensor de pressão no fio-guia enquanto as medições anatômicas como dimensões do lúmen podem ser obtidas utilizando um conjunto de eletrodo pelo fio-guia. a rede vascular e as lesões estenosadas podem ser modeladas em uma rede elétrica equivalente e solucionada com base nos parâmetros medidos para obter os parâmetros desconhecidos da rede elétrica. várias opções do plano de tratamento podem ser construídas onde cada plano pode corresponder ao tratamento de um subconjunto de lesões particulares. o resultado anatômico para cada um dos planos de tratamento pode ser estimado e os parâmetros elétricos modificados equivalentes podem ser determinados. então, cada uma das redes elétricas para cada plano pode ser solucionada para determinar o resultado funcional para cada plano de tratamento e os resultados para todos os planos de tratamento podem ser apresentados a um médico. 1/1summary guidewire device configured to evaluate one or more vascular body lumens multifunctional guidewire sets and system for analyzing anatomical and functional parameters are described. Using a single guidewire assembly, functional and anatomical measurements and injury identification can be made. Functional measurements such as pressure can be obtained with a guidewire pressure sensor while anatomical measurements like lumen dimensions can be obtained using a guidewire electrode assembly. The vascular network and stenosed lesions can be modeled on an equivalent electrical network and solved based on the measured parameters to obtain the unknown electrical network parameters. Several treatment plan options can be constructed where each plan can correspond to treating a subset of particular injuries. The anatomical outcome for each of the treatment plans can be estimated and the equivalent modified electrical parameters can be determined. then each of the power grids for each plan can be solved to determine the functional outcome for each treatment plan and the results for all treatment plans can be presented to a physician. 1/1

BR112013031673A 2011-06-13 2012-04-20 guidewire device configured to evaluate one or more vascular body lumens BR112013031673A2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/159,298 US8798712B2 (en) 2010-06-13 2011-06-13 Methods and systems for determining vascular bodily lumen information and guiding medical devices
US13/305,630 US8494794B2 (en) 2010-06-13 2011-11-28 Methods and systems for determining vascular bodily lumen information and guiding medical devices
PCT/US2012/034557 WO2012173697A1 (en) 2011-06-13 2012-04-20 Multifunctional guidewire assemblies and system for analyzing anatomical and functional parameters

Publications (1)

Publication Number Publication Date
BR112013031673A2 true BR112013031673A2 (en) 2016-12-06

Family

ID=47357405

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013031673A BR112013031673A2 (en) 2011-06-13 2012-04-20 guidewire device configured to evaluate one or more vascular body lumens

Country Status (7)

Country Link
EP (1) EP2717759A4 (en)
JP (2) JP5911570B2 (en)
CN (1) CN103732132A (en)
AU (1) AU2012271236A1 (en)
BR (1) BR112013031673A2 (en)
CA (1) CA2839158A1 (en)
WO (1) WO2012173697A1 (en)

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Also Published As

Publication number Publication date
JP2014530639A (en) 2014-11-20
EP2717759A1 (en) 2014-04-16
EP2717759A4 (en) 2014-12-10
CA2839158A1 (en) 2012-12-20
WO2012173697A1 (en) 2012-12-20
AU2012271236A1 (en) 2014-01-16
JP6114853B2 (en) 2017-04-12
JP5911570B2 (en) 2016-04-27
CN103732132A (en) 2014-04-16
JP2016165471A (en) 2016-09-15

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