WO2010071680A1 - Système d'imagerie fluoroscopique dentaire - Google Patents

Système d'imagerie fluoroscopique dentaire Download PDF

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Publication number
WO2010071680A1
WO2010071680A1 PCT/US2009/006648 US2009006648W WO2010071680A1 WO 2010071680 A1 WO2010071680 A1 WO 2010071680A1 US 2009006648 W US2009006648 W US 2009006648W WO 2010071680 A1 WO2010071680 A1 WO 2010071680A1
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WO
WIPO (PCT)
Prior art keywords
flat panel
dental
emitter
rays
panel detector
Prior art date
Application number
PCT/US2009/006648
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English (en)
Other versions
WO2010071680A4 (fr
Inventor
Daniel Uzbelger Feldman
Original Assignee
Daniel Uzbelger Feldman
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 Daniel Uzbelger Feldman filed Critical Daniel Uzbelger Feldman
Priority to EP09833773.6A priority Critical patent/EP2434955A4/fr
Publication of WO2010071680A1 publication Critical patent/WO2010071680A1/fr
Publication of WO2010071680A4 publication Critical patent/WO2010071680A4/fr

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Classifications

    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm

Definitions

  • the present invention relates generally to the field of diagnostic radiology, and specifically to a dental fluoroscopic imaging system apparatus using flat panel detectors and emitters in C-arm/U-arm, O-arm configurations suitable for two dimensional (2D) and three dimensional (3D) dental fluoroscopy and the method of producing the same.
  • Dental digital radiography is a form of x-ray imaging, where digital X-ray sensors are used instead of traditional photographic film. Advantages include time efficiency through bypassing chemical processing and the ability to digitally transfer and enhance images. Also less radiation can be used to produce a 2D still image of similar contrast to conventional film-based radiography. Some types of digital dental radiography sensors are small and thin enough that they can be placed intraorally or inside the mouth. Others are larger in size and are used extraorally or outside the mouth in order to obtain a dental image. The first intraoral X-rays imaging sensor available on the market was introduced following the principles described in US Patent No.
  • CMOS complementary metal-oxide-semiconductor
  • Fluoroscopy is a dynamic x-ray, or x-ray movie showing images of video frame rates. It differs from dental digital radiography in that dental digital radiography is static x-ray, or an x-ray picture. An analogy is that of a movie compared to a snapshot. The beginning of fluoroscopy can be traced back to 8 November 1895 when Wilhelm Roentgen noticed a barium platinocyanide screen fluorescing as a result of being exposed to what he would later call x-rays. The fluoroscopic image obtained in this way was rather faint. Thomas Edison quickly discovered that calcium tungstate screens produced brighter images and is credited with designing and producing the first commercially available fluoroscope.
  • the first fluoroscope for dental use was described by William Herbert Rollins in 1896. Due to the limited light produced from the fluorescent screens, early radiologists were required to sit in a darkened room in which the procedure was to be performed, getting their eyes accustomed to the dark and thereby increasing their sensitivity to the light. The placement of the radiologist behind the screen resulted in significant radiation doses to the radiologist. Red adaptation goggles were developed by Wilhelm Trendelenburg in 1916 to address the problem of dark adaptation of the eyes, The resulting red light from the goggles' filtration correctly sensitized the physician's eyes prior to the procedure while still allowing him to receive enough light to function normally.
  • the invention of X-ray image intensif ⁇ ers in the 1950s allowed the image on the screen to be visible under normal lighting conditions, as well as providing the option of recording the images with a conventional camera.
  • Medical fluoroscopes also known as C- arms or mini C-arms are too large to fit in a dental operatory. The main reason is the size of one of their main components: > 6 inches diameter image intensif ⁇ ers.
  • recent breakthroughs in imaging and night vision technologies made possible the miniaturization of the medical fluoroscope for dental use as disclosed in the Patent No. 6,543,936 of Feldman, 2003 by using small image intensifiers.
  • Night vision image intensifiers (18-40 mm diameter) — like those used for military purposes - can convert fluoroscopy's low-radiation beam — after going through the patient's dental area - on a vivid video image. This image can be captured by a video digital camera chip and then displayed in real-time video on a monitor. Consequently, this breakthrough has allowed the fluoroscopy technology to fit in a dental operatory.
  • Another attempt to reduce the medical fluoroscope size is seen in foreign Patents No. WO/2004/110277, WO/2005/072615 and WO/2005/110234 of Kim, 2004, 2005 and 2005 respectively.
  • the X-ray CT unit irradiates the subject with X-rays from the second X-ray tube and acquires projection data from a beam of the X-rays that has passed through the subject, to reconstruct an image using the acquired projection data, and to obtain a tomographic image.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Dentistry (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention porte sur un système d'imagerie fluoroscopique dentaire qui comprend un détecteur à panneau plat composé d'un convertisseur de rayons gamma ou de rayons X, d'une plaque, d'un collecteur, d'une unité de traitement et d'un émetteur approprié pour une fluoroscopie dentaire intra-orale/extra-orale en 2D et extra-orale en 3D. Le convertisseur de rayons X contient un matériau capable de transformer le faisceau de rayons gamma ou de rayons X à dose faible, reçu en provenance d'un émetteur après être passé à travers la zone d'examen dentaire, en signaux électriques ou en une image de lumière conforme à l'image radiographiée. La plaque transmet les signaux électriques ou l'image de lumière à un collecteur qui l'amplifie et l'envoie à une unité de traitement puis à un émetteur conçu pour transférer des images numériques en séquence à un ordinateur hôte et à un logiciel hôte qui peuvent acquérir, traiter, transformer, enregistrer, geler et améliorer les images en 2D et en 3D à des fréquences de trames vidéo. On obtient les images en deux dimensions en utilisant une configuration bras en C/bras en U, tandis que l'on obtient les images en 3D en utilisant la configuration bras en O.
PCT/US2009/006648 2008-12-16 2009-12-22 Système d'imagerie fluoroscopique dentaire WO2010071680A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09833773.6A EP2434955A4 (fr) 2008-12-16 2009-12-22 Système d'imagerie fluoroscopique dentaire

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US20174408P 2008-12-16 2008-12-16
US20174808P 2008-12-16 2008-12-16
US20174708P 2008-12-16 2008-12-16
US65396408A 2008-12-16 2008-12-16
US20174508P 2008-12-16 2008-12-16
US20174608P 2008-12-16 2008-12-16
US60/201,748 2008-12-16
US60/201,745 2008-12-16
US60/201,744 2008-12-16
US12/653,964 2008-12-16
US60/201,747 2008-12-16
US60/201,746 2008-12-16

Publications (2)

Publication Number Publication Date
WO2010071680A1 true WO2010071680A1 (fr) 2010-06-24
WO2010071680A4 WO2010071680A4 (fr) 2011-08-04

Family

ID=42269100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/006648 WO2010071680A1 (fr) 2008-12-16 2009-12-22 Système d'imagerie fluoroscopique dentaire

Country Status (2)

Country Link
EP (1) EP2434955A4 (fr)
WO (1) WO2010071680A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886353A (en) * 1995-04-21 1999-03-23 Thermotrex Corporation Imaging device
US6320931B1 (en) * 1998-03-02 2001-11-20 Image Analysis, Inc. Automated x-ray bone densitometer
US6466641B1 (en) * 1997-10-02 2002-10-15 Planmeca Oy Cranial radiography apparatus
US6543936B2 (en) * 2001-04-24 2003-04-08 Daniel Uzbelger Feldman Apparatus for diagnosis and/or treatment in the field of dentistry using fluoroscopic and conventional radiography
US6632089B2 (en) * 1999-11-30 2003-10-14 Orametrix, Inc. Orthodontic treatment planning with user-specified simulation of tooth movement
US20050020902A1 (en) * 2002-08-28 2005-01-27 Imaging3, Inc. Apparatus and method for three-dimensional imaging
US7319736B2 (en) * 2001-07-25 2008-01-15 Gendex Corporation Real-time digital x-ray imaging apparatus
US20080063139A1 (en) * 2005-05-02 2008-03-13 Tuomas Pantsar Extra-oral digital panoramic dental x-ray imaging system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160997A (en) * 1974-05-14 1979-07-10 Robert Schwartz Intraoral fluoroscope
FR2693033B1 (fr) * 1992-06-30 1994-08-19 Commissariat Energie Atomique Dispositif d'imagerie de grande dimension.
US5434418A (en) * 1992-10-16 1995-07-18 Schick; David Intra-oral sensor for computer aided radiography
US5510623A (en) * 1995-02-24 1996-04-23 Loral Fairchild Corp. Center readout intra-oral image sensor
US5771271A (en) * 1997-04-16 1998-06-23 Infimed, Inc. Phototimer for radiology imaging
AU2002237451A1 (en) * 2000-12-22 2002-07-08 Simage Oy A radiation imaging system and scanning device
JP2003088519A (ja) * 2001-09-19 2003-03-25 Shimadzu Corp 歯科用ｘ線撮影装置
US6754297B2 (en) * 2002-08-28 2004-06-22 Imaging3, Inc. Apparatus and method for three-dimensional real-time imaging system
ES2298485T3 (es) * 2003-11-21 2008-05-16 Carestream Health, Inc. Aparato de radiologia dental.
US20060214115A1 (en) * 2005-03-23 2006-09-28 General Electric Company Phosphor film, imaging assembly and inspection method
US7563026B2 (en) * 2005-09-08 2009-07-21 Schick Technologies, Inc. Flexible intra-oral x-ray imaging device
US7608832B2 (en) * 2007-06-26 2009-10-27 Fujifilm Corporation Image detection device and method of driving image detector
US8106363B2 (en) * 2008-04-17 2012-01-31 Carestream Health, Inc. Digital radiography panel with pressure-sensitive adhesive for optical coupling between scintillator screen and detector and method of manufacture

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886353A (en) * 1995-04-21 1999-03-23 Thermotrex Corporation Imaging device
US6466641B1 (en) * 1997-10-02 2002-10-15 Planmeca Oy Cranial radiography apparatus
US6320931B1 (en) * 1998-03-02 2001-11-20 Image Analysis, Inc. Automated x-ray bone densitometer
US6632089B2 (en) * 1999-11-30 2003-10-14 Orametrix, Inc. Orthodontic treatment planning with user-specified simulation of tooth movement
US6543936B2 (en) * 2001-04-24 2003-04-08 Daniel Uzbelger Feldman Apparatus for diagnosis and/or treatment in the field of dentistry using fluoroscopic and conventional radiography
US7319736B2 (en) * 2001-07-25 2008-01-15 Gendex Corporation Real-time digital x-ray imaging apparatus
US20050020902A1 (en) * 2002-08-28 2005-01-27 Imaging3, Inc. Apparatus and method for three-dimensional imaging
US20080063139A1 (en) * 2005-05-02 2008-03-13 Tuomas Pantsar Extra-oral digital panoramic dental x-ray imaging system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2434955A4 *

Also Published As

Publication number Publication date
EP2434955A4 (fr) 2014-01-01
EP2434955A1 (fr) 2012-04-04
WO2010071680A4 (fr) 2011-08-04

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