MX9802187A - Detector de discrepancias termicas y paredes de vasos sanguineos. - Google Patents

Detector de discrepancias termicas y paredes de vasos sanguineos.

Info

Publication number
MX9802187A
MX9802187A MX9802187A MX9802187A MX9802187A MX 9802187 A MX9802187 A MX 9802187A MX 9802187 A MX9802187 A MX 9802187A MX 9802187 A MX9802187 A MX 9802187A MX 9802187 A MX9802187 A MX 9802187A
Authority
MX
Mexico
Prior art keywords
catheter
regions
heat
infrared
tip
Prior art date
Application number
MX9802187A
Other languages
English (en)
Inventor
Casscells S Ward
James T Willerson
Gregory H Bearman
Michael L Eastwood
Timothy N Krabach
Original Assignee
Texas Heart Nstitute
California Inst Of Techn
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
Application filed by Texas Heart Nstitute, California Inst Of Techn filed Critical Texas Heart Nstitute
Publication of MX9802187A publication Critical patent/MX9802187A/es

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • A61B5/0086—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters using infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A61B5/015—By temperature mapping of body part
    • 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 
    • A61B5/0507—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  using microwaves or terahertz waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/413—Monitoring transplanted tissue or organ, e.g. for possible rejection reactions after a transplant
    • 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
    • A61B5/6853—Catheters with a balloon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22001—Angioplasty, e.g. PCTA
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0073—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by tomography, i.e. reconstruction of 3D images from 2D projections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Vascular Medicine (AREA)
  • Immunology (AREA)
  • Physiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Optical Measuring Cells (AREA)

Abstract

Se detalla un catéter (10) infrarojo, sensible al calor, particularmenteutil para identificar placas de arterias potencialmente fatales en pacientes con enfermedades de la coronaria u otras arterias y su uso. En una modalidad, un sistema de fibra optica infrarojo (70) es empleado en el extremo de un catéter (10) para localizar una placa arteroesclerotica, productora de calor, inflamada, que esta en gran riesgo de ruptura, fisura, o ulceracion y consecuente trombosis y oclusion de la arteria. En otra modalidad, un catéter (10) con un detector infrarojo empleado en su extremo localizara también placa arteriosclerotica inflamada productora de calor. La invencion puede ser usada para detectar accesos, infeccion, y regiones cancerosas por el calor tales regiones aparecen diferentes con respecto de la temperatura ambiente de los tejidos inmediatamente adyacentes. La invencion puede también ser usado para detectar regiones de tejidos más fríos que los tejidos circundantes en un vaso u organo que indica células muertas, trombosis, hemorragias, acumulacion de calcio o colesterol o materiales extraños.
MX9802187A 1995-09-20 1998-03-20 Detector de discrepancias termicas y paredes de vasos sanguineos. MX9802187A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US406195P 1995-09-20 1995-09-20

Publications (1)

Publication Number Publication Date
MX9802187A true MX9802187A (es) 1998-11-29

Family

ID=21708944

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9802187A MX9802187A (es) 1995-09-20 1998-03-20 Detector de discrepancias termicas y paredes de vasos sanguineos.

Country Status (9)

Country Link
US (4) US5935075A (es)
EP (1) EP0955883B1 (es)
JP (1) JP2000511786A (es)
AT (1) ATE221338T1 (es)
AU (1) AU709432B2 (es)
CA (1) CA2231425A1 (es)
DE (1) DE69622764T2 (es)
MX (1) MX9802187A (es)
WO (1) WO1997010748A1 (es)

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US20060094980A1 (en) 2006-05-04
US6475159B1 (en) 2002-11-05
CA2231425A1 (en) 1997-03-27
DE69622764T2 (de) 2003-04-24
ATE221338T1 (de) 2002-08-15
US6993382B2 (en) 2006-01-31
US7513876B2 (en) 2009-04-07
US20030004430A1 (en) 2003-01-02
US5935075A (en) 1999-08-10
EP0955883A4 (es) 1999-11-24
EP0955883A1 (en) 1999-11-17
DE69622764D1 (de) 2002-09-05
AU709432B2 (en) 1999-08-26
JP2000511786A (ja) 2000-09-12
WO1997010748A1 (en) 1997-03-27
EP0955883B1 (en) 2002-07-31
AU7368996A (en) 1997-04-09

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