ES2627850T3 - Calibración de dispositivos de obtención de imágenes por ultrasonido - Google Patents

Calibración de dispositivos de obtención de imágenes por ultrasonido Download PDF

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Publication number
ES2627850T3
ES2627850T3 ES05764269.6T ES05764269T ES2627850T3 ES 2627850 T3 ES2627850 T3 ES 2627850T3 ES 05764269 T ES05764269 T ES 05764269T ES 2627850 T3 ES2627850 T3 ES 2627850T3
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Spain
Prior art keywords
rods
cross
coordinate system
reference coordinate
ultrasound imaging
Prior art date
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Application number
ES05764269.6T
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English (en)
Inventor
Martin Lachaine
Tony Falco
Véronique AUDET
Xing Huang
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Elekta Ltd Canada
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Elekta Ltd Canada
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Publication of ES2627850T3 publication Critical patent/ES2627850T3/es
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/5205—Means for monitoring or calibrating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4245—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/58—Testing, adjusting or calibrating the diagnostic device
    • A61B8/587—Calibration phantoms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
    • G01S15/8936—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in three dimensions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B2090/364—Correlation of different images or relation of image positions in respect to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

Un método para calibrar un dispositivo de obtención de imágenes por ultrasonido (200) para un sistema de coordenadas de referencia, el método comprende: ubicar una pluralidad de varillas cilíndricas alargadas (505) en posiciones fijas dentro de una carcasa, las varillas tienen posiciones conocidas con respecto a un sistema de coordenadas de referencia (115), las varillas tienen un tamaño, forma, composición y/o características superficiales que causan reflexión difusa de una señal de ultrasonido independientemente del ángulo de incidencia de la señal con respecto a las varillas; obtener una pluralidad de imágenes en sección transversal (510) tomadas desde diferentes direcciones con respecto a las varillas, las imágenes en sección transversal comprenden representaciones en sección transversal (515) de las varillas; y calibrar el dispositivo de obtención de imágenes por ultrasonido en el sistema de coordenadas de referencia mediante (i) determinar los centros de las representaciones en sección transversal de las varillas dentro de las imágenes en sección transversal y (ii) relacionar las coordenadas de las varillas con el sistema de coordenadas de referencia basado en los centros determinados de las varillas.

Description

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Claims (1)

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ES05764269.6T 2004-07-20 2005-07-19 Calibración de dispositivos de obtención de imágenes por ultrasonido Active ES2627850T3 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US58943204P 2004-07-20 2004-07-20
US589432P 2004-07-20
US59082304P 2004-07-23 2004-07-23
US590823P 2004-07-23
PCT/CA2005/001135 WO2006007716A2 (en) 2004-07-20 2005-07-19 Calibrating imaging devices

Publications (1)

Publication Number Publication Date
ES2627850T3 true ES2627850T3 (es) 2017-07-31

Family

ID=35800913

Family Applications (1)

Application Number Title Priority Date Filing Date
ES05764269.6T Active ES2627850T3 (es) 2004-07-20 2005-07-19 Calibración de dispositivos de obtención de imágenes por ultrasonido

Country Status (5)

Country Link
US (1) US8000442B2 (es)
EP (1) EP1774312B1 (es)
CA (1) CA2574675C (es)
ES (1) ES2627850T3 (es)
WO (1) WO2006007716A2 (es)

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Also Published As

Publication number Publication date
EP1774312B1 (en) 2017-04-12
EP1774312A2 (en) 2007-04-18
CA2574675C (en) 2015-11-24
WO2006007716A2 (en) 2006-01-26
EP1774312A4 (en) 2009-04-08
WO2006007716A3 (en) 2006-05-04
US20060036170A1 (en) 2006-02-16
CA2574675A1 (en) 2006-01-26
US8000442B2 (en) 2011-08-16

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