BRPI0515149A - aparelho de raio x com controle de corrente de emissão de campo e método - Google Patents

aparelho de raio x com controle de corrente de emissão de campo e método

Info

Publication number
BRPI0515149A
BRPI0515149A BRPI0515149-0A BRPI0515149A BRPI0515149A BR PI0515149 A BRPI0515149 A BR PI0515149A BR PI0515149 A BRPI0515149 A BR PI0515149A BR PI0515149 A BRPI0515149 A BR PI0515149A
Authority
BR
Brazil
Prior art keywords
current control
emission current
field emission
ray field
ray
Prior art date
Application number
BRPI0515149-0A
Other languages
English (en)
Inventor
Ali Jaafar
Victor I Chornenky
Original Assignee
Minnesota Medical Physics Llc
Ali Jaafar
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 Minnesota Medical Physics Llc, Ali Jaafar filed Critical Minnesota Medical Physics Llc
Publication of BRPI0515149A publication Critical patent/BRPI0515149A/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/065—Field emission, photo emission or secondary emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/32—Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof which tube or part has a small cross-section to facilitate introduction into a small hole or cavity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
    • A61N5/1014—Intracavitary radiation therapy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H01J2235/064—Movement of cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/16—Vessels
    • H01J2235/163—Vessels shaped for a particular application
    • H01J2235/164—Small cross-section, e.g. for entering in a body cavity

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Radiation-Therapy Devices (AREA)
  • X-Ray Techniques (AREA)

Abstract

APARELHO DE RAIO X COM CONTROLE DE CORRENTE DE EMISSãO DE CAMPO E MéTODO A presente invenção provê um aparelho e um método para a provisão de uma saida de raio X estabilizada a partir de um aparelho de raio X de emissão de campo pela monitoração da corrente de operação e pelo ajuste do espaço entre o anodo e o catodo para a estabilização da saída.
BRPI0515149-0A 2004-09-10 2005-09-09 aparelho de raio x com controle de corrente de emissão de campo e método BRPI0515149A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/938,971 US20050038488A1 (en) 2003-03-19 2004-09-10 X-ray apparatus with field emission current stabilization and method of providing x-ray radiation therapy
PCT/US2005/032486 WO2006031771A1 (en) 2004-09-10 2005-09-09 X-ray apparatus with field emission current control and method

Publications (1)

Publication Number Publication Date
BRPI0515149A true BRPI0515149A (pt) 2008-07-08

Family

ID=35559490

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0515149-0A BRPI0515149A (pt) 2004-09-10 2005-09-09 aparelho de raio x com controle de corrente de emissão de campo e método

Country Status (3)

Country Link
US (1) US20050038488A1 (pt)
BR (1) BRPI0515149A (pt)
WO (1) WO2006031771A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7771339B2 (en) * 2006-05-31 2010-08-10 Ab Mimator Method and system for radiotherapy treatment
DE102008014897A1 (de) * 2008-03-19 2009-10-01 Siemens Aktiengesellschaft Röntgenröhre
DE102012002466B4 (de) * 2012-02-08 2014-05-08 Carl Zeiss Meditec Ag Abwinkelbarer Applikator für die Strahlentherapie

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1256396A (en) * 1969-05-30 1971-12-08 Atomic Energy Authority Uk Improvements in or relating to apparatus for detecting radiation
DE2928993C2 (de) * 1979-07-18 1982-12-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur Herstellung einer Röntgenröhren-Drehanode
KR100251423B1 (ko) * 1994-07-12 2000-04-15 피터 이. 외팅거 채강 내면에 예상선속량을 공급하기 위한 x-선장치
US6799075B1 (en) * 1995-08-24 2004-09-28 Medtronic Ave, Inc. X-ray catheter
US5913813A (en) * 1997-07-24 1999-06-22 Proxima Therapeutics, Inc. Double-wall balloon catheter for treatment of proliferative tissue
US5854822A (en) * 1997-07-25 1998-12-29 Xrt Corp. Miniature x-ray device having cold cathode
US6464625B2 (en) * 1999-06-23 2002-10-15 Robert A. Ganz Therapeutic method and apparatus for debilitating or killing microorganisms within the body
US6415016B1 (en) * 2001-01-09 2002-07-02 Medtronic Ave, Inc. Crystal quartz insulating shell for X-ray catheter
US6546077B2 (en) * 2001-01-17 2003-04-08 Medtronic Ave, Inc. Miniature X-ray device and method of its manufacture
US6480568B1 (en) * 2001-06-19 2002-11-12 Photoelectron Corporation Optically driven therapeutic radiation source
US6985557B2 (en) * 2002-03-20 2006-01-10 Minnesota Medical Physics Llc X-ray apparatus with field emission current stabilization and method of providing x-ray radiation therapy
US7127033B2 (en) * 2004-02-28 2006-10-24 Xoft, Inc. Miniature x-ray tube cooling system

Also Published As

Publication number Publication date
US20050038488A1 (en) 2005-02-17
WO2006031771A1 (en) 2006-03-23

Similar Documents

Publication Publication Date Title
BR0308564A (pt) Aparelho de raios x com método e controle de corrente de emissão de campo
WO2007130576A3 (en) System and method for improved field of view x-ray imaging using a non-stationary anode
WO2020051221A3 (en) System and method for depth-selectable x-ray analysis
PH12021551012A1 (en) Methods for making high intensity sweeteners
MX2021005220A (es) Metodos para hacer edulcorantes de alta intensidad.
BRPI0405512A (pt) método de estimativa da saúde da pele e global de um indivìduo
ATE548747T1 (de) Hochfluss-röntgen-target und baugruppe
FI3586575T3 (fi) Z-pinch-plasman sulkujärjestelmä ja siihen liittyvä menetelmä
DK201000738A (en) A method for controlling a ventilation system for the ventilation of an enclosure and a ventilation system
WO2008041151A3 (en) Light element array with controllable current sources and method of operation
TW200802557A (en) Ion beam current uniformity monitor, ion implanter and related method
RU2013116898A (ru) Устройство для излучения кодированного света
BR112014017309A2 (pt) pistola de plasma em cascata estendida
MX2024007285A (es) Redes neuronales basadas en atencion temporal para la comprension de video.
WO2008153055A1 (ja) 表示装置、映像信号処理方法、およびプログラム
BR112022003969A2 (pt) Método e aparelho de sinalização de alto nível para predição ponderada
TW200720700A (en) Uniform multiple light source etendue
WO2008127306A3 (en) A method for adjusting an object detection apparatus
WO2008123301A1 (ja) 異極像結晶を用いたｘ線発生装置
WO2009005059A1 (ja) 高輝度ｘ線発生装置および方法
SG133505A1 (en) Addition of d2 to h2 to detect and calibrate atomic hydrogen formed by dissociative electron attachment
Abbrescia et al. Operation, performance and upgrade of the CMS Resistive Plate Chamber system at LHC
WO2006038191A3 (en) X-ray source apparatus, computer tomography apparatus, and method of operating an x-ray source apparatus
TW200718276A (en) Organic electroluminescent device
EP1793505A3 (en) System and method for compensating for the effect of aging and temperature on transistor performance

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A E 6A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012.