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MX9704632A - Camara semiconductora de rayos gama y sistema medico de formacion de imagenes. - Google Patents

Camara semiconductora de rayos gama y sistema medico de formacion de imagenes.

Info

Publication number
MX9704632A
MX9704632A MX9704632A MX9704632A MX9704632A MX 9704632 A MX9704632 A MX 9704632A MX 9704632 A MX9704632 A MX 9704632A MX 9704632 A MX9704632 A MX 9704632A MX 9704632 A MX9704632 A MX 9704632A
Authority
MX
Mexico
Prior art keywords
detector
imaging system
detection
radiation
medical imaging
Prior art date
Application number
MX9704632A
Other languages
English (en)
Other versions
MXPA97004632A (es
Inventor
Clinton L Lingren
Stanley J Friesenhahn
Jack F Butler
Patrick F Doty
William L Ashburn
Richard L Conwell
Frank L Augustine
Boris Apotovsky
Original Assignee
Digirad
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23469710&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX9704632(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Digirad filed Critical Digirad
Publication of MXPA97004632A publication Critical patent/MXPA97004632A/es
Publication of MX9704632A publication Critical patent/MX9704632A/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • G01T1/243—Modular detectors, e.g. arrays formed from self contained units
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • G01T1/247—Detector read-out circuitry
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
    • H10F39/189—X-ray, gamma-ray or corpuscular radiation imagers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H10F39/191—Photoconductor image sensors
    • H10F39/195—X-ray, gamma-ray or corpuscular radiation imagers

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Signal Processing (AREA)
  • Public Health (AREA)
  • Multimedia (AREA)
  • Measurement Of Radiation (AREA)
  • Nuclear Medicine (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Image Input (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Light Receiving Elements (AREA)
  • Studio Devices (AREA)

Abstract

Se divulga un sistema de formacion de imágenes que incluye una cabeza de formacion de imágenes, un procesador de señales, un sistema de adquisicion de datos, y un computador de procesamiento de imágenes. La cabeza de formacion de imágenes incluye un detector y una apertura para dirigir la radiacion al detector. El detector comprende una pluralidad de modulos de deteccion empacados estrechamente (206) que comprende una pluralidad de elementos de deteccion (212) montados en un portador de circuito (214), el cual incluye canales para adicionar y pre-procesar los pulsos eléctricos producidos cuando un elemento de deteccion absorbe radiacion. La amplitud del pulso es indicativa de la magnitud de la radiacion absorbida. Los modulos de deteccion emplean un circuito de caída transversal para encontrar automáticamente eventos válidos, es decir solo aquellos elementos de deteccion que tienen una amplitud almacenada que excede un umbral predeterminado.
MX9704632A 1994-12-23 1995-12-21 Camara semiconductora de rayos gama y sistema medico de formacion de imagenes. MX9704632A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37280794A 1994-12-23 1994-12-23
US372807 1994-12-23
PCT/US1995/016911 WO1996020412A1 (en) 1994-12-23 1995-12-21 Semiconductor gamma-ray camera and medical imaging system

Publications (2)

Publication Number Publication Date
MXPA97004632A MXPA97004632A (es) 1998-02-01
MX9704632A true MX9704632A (es) 1998-02-28

Family

ID=23469710

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9704632A MX9704632A (es) 1994-12-23 1995-12-21 Camara semiconductora de rayos gama y sistema medico de formacion de imagenes.

Country Status (11)

Country Link
US (8) US5786597A (es)
EP (4) EP1251364A2 (es)
JP (4) JP3358817B2 (es)
KR (1) KR987001092A (es)
CN (1) CN1190467A (es)
AU (1) AU706101B2 (es)
BR (1) BR9510290A (es)
CA (1) CA2208576A1 (es)
DE (1) DE69534284T2 (es)
MX (1) MX9704632A (es)
WO (1) WO1996020412A1 (es)

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