CA2219353A1 - Apparatus and methods for determining spatial coordinates of using radio labelled tissue - Google Patents

Apparatus and methods for determining spatial coordinates of using radio labelled tissue

Info

Publication number
CA2219353A1
CA2219353A1 CA002219353A CA2219353A CA2219353A1 CA 2219353 A1 CA2219353 A1 CA 2219353A1 CA 002219353 A CA002219353 A CA 002219353A CA 2219353 A CA2219353 A CA 2219353A CA 2219353 A1 CA2219353 A1 CA 2219353A1
Authority
CA
Canada
Prior art keywords
rays
methods
spatial coordinates
determining spatial
gamma rays
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002219353A
Other languages
French (fr)
Other versions
CA2219353C (en
Inventor
Norman Madden
Richard H. Pehl
Robert G. Carroll
Louis A. Mckellar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southern Scientific Ltd
Original Assignee
Care Wise Medical Products Corporation
Norman Madden
Richard H. Pehl
Robert G. Carroll
Louis A. Mckellar
Southern Scientific Limited
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 Care Wise Medical Products Corporation, Norman Madden, Richard H. Pehl, Robert G. Carroll, Louis A. Mckellar, Southern Scientific Limited filed Critical Care Wise Medical Products Corporation
Publication of CA2219353A1 publication Critical patent/CA2219353A1/en
Application granted granted Critical
Publication of CA2219353C publication Critical patent/CA2219353C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4057—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis by using radiation sources located in the interior of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4258—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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
    • 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
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/392—Radioactive markers

Abstract

A system (20) and method for diagnostic testing of structures within a body, e.g., organs within the body of a living being, which has been provided with a radioactive imaging agent, e.g., a radiotracer, to cause the structure to produce gamma rays, associated characteristics X-rays, and a continuum of Compton-scattered photons. The system (20) includes a radiation receiving device, e.g., a hand-held probe (22) or camera, an associated signal processor (30B), and an analyzer (30I-30R). The radiation receiving device is arranged to be located adjacent the body and the structure for receiving gamma rays and characteristic X-rays emitted from the structure and for providing a processed electrical signal representative thereof. The processed electrical signal includes a first portion representing the characteristics X-rays received and a second portion representing the gamma rays received.
CA002219353A 1995-04-28 1996-04-19 Apparatus and methods for determining spatial coordinates of using radio labelled tissue Expired - Lifetime CA2219353C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/430,589 US5694933A (en) 1995-04-28 1995-04-28 Apparatus and methods for determining spatial coordinates of radiolabelled tissue using gamma-rays and associated characteristic X-rays
US08/430,589 1995-04-28
PCT/US1996/005479 WO1996033652A1 (en) 1995-04-28 1996-04-19 Apparatus and methods for determining spatial coordinates of using radio labelled tissue

Publications (2)

Publication Number Publication Date
CA2219353A1 true CA2219353A1 (en) 1996-10-31
CA2219353C CA2219353C (en) 2002-02-26

Family

ID=23708210

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002219353A Expired - Lifetime CA2219353C (en) 1995-04-28 1996-04-19 Apparatus and methods for determining spatial coordinates of using radio labelled tissue

Country Status (7)

Country Link
US (2) US5694933A (en)
EP (1) EP0830079B1 (en)
JP (1) JP3720055B2 (en)
AT (1) ATE281115T1 (en)
CA (1) CA2219353C (en)
DE (1) DE69633782T2 (en)
WO (1) WO1996033652A1 (en)

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Also Published As

Publication number Publication date
JPH11511239A (en) 1999-09-28
ATE281115T1 (en) 2004-11-15
EP0830079B1 (en) 2004-11-03
WO1996033652A1 (en) 1996-10-31
US5694933A (en) 1997-12-09
DE69633782T2 (en) 2005-11-03
CA2219353C (en) 2002-02-26
DE69633782D1 (en) 2004-12-09
EP0830079A4 (en) 1999-08-11
EP0830079A1 (en) 1998-03-25
JP3720055B2 (en) 2005-11-24
US6135955A (en) 2000-10-24

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