CA2394562A1 - Asymmetric radiation dosing apparatus and method - Google Patents

Asymmetric radiation dosing apparatus and method Download PDF

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Publication number
CA2394562A1
CA2394562A1 CA002394562A CA2394562A CA2394562A1 CA 2394562 A1 CA2394562 A1 CA 2394562A1 CA 002394562 A CA002394562 A CA 002394562A CA 2394562 A CA2394562 A CA 2394562A CA 2394562 A1 CA2394562 A1 CA 2394562A1
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CA
Canada
Prior art keywords
target tissue
asymmetric
radiation source
dosing apparatus
volume
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
CA002394562A
Other languages
French (fr)
Other versions
CA2394562C (en
Inventor
Rance A. Winkler
Timothy J. Patrick
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.)
Cytyc Corp
Original Assignee
Proxima Therapeutics, Inc.
Rance A. Winkler
Timothy J. Patrick
Cytyc Surgical Products Ii, Inc.
Cytyc Corporation
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=23845007&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2394562(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Proxima Therapeutics, Inc., Rance A. Winkler, Timothy J. Patrick, Cytyc Surgical Products Ii, Inc., Cytyc Corporation filed Critical Proxima Therapeutics, Inc.
Publication of CA2394562A1 publication Critical patent/CA2394562A1/en
Application granted granted Critical
Publication of CA2394562C publication Critical patent/CA2394562C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1001X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
    • A61N5/1014Intracavitary radiation therapy
    • A61N5/1015Treatment of resected cavities created by surgery, e.g. lumpectomy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1001X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
    • A61N5/1002Intraluminal radiation therapy
    • A61N2005/1005Intraluminal radiation therapy with asymmetrical radiation pattern

Abstract

An interstitial brachytherapy apparatus of the invention delivers radioactive emissions in an asymmetric fashion to target tissue surrounding a surgical extraction site. The apparatus includes an expandable outer surface element defining an apparatus spatial volume, a radiation source disposed within the apparatus volume, and a means for providing predetermined asymmetric isodose curves within the target tissue. In one configuration, asymmetric isodose curves are created in the target tissue by shaping or locating the radiation source so as to be asymmetrically placed with respect to a longitudinal axis of the apparatus. In other configurations, asymmetric radiopaque shielding is provided between the radiation source and the target tissue. A surgical procedure using the apparatus is also described.
CA002394562A 1999-12-16 2000-12-11 Asymmetric radiation dosing apparatus and method Expired - Fee Related CA2394562C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/464,727 US6482142B1 (en) 1997-07-24 1999-12-16 Asymmetric radiation dosing apparatus and method
US09/464,727 1999-12-16
PCT/US2000/033613 WO2001043826A1 (en) 1999-12-16 2000-12-11 Asymmetric radiation dosing apparatus and method

Publications (2)

Publication Number Publication Date
CA2394562A1 true CA2394562A1 (en) 2001-06-21
CA2394562C CA2394562C (en) 2004-11-30

Family

ID=23845007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002394562A Expired - Fee Related CA2394562C (en) 1999-12-16 2000-12-11 Asymmetric radiation dosing apparatus and method

Country Status (8)

Country Link
US (1) US6482142B1 (en)
EP (2) EP1702651B1 (en)
AT (2) ATE327003T1 (en)
AU (1) AU2907301A (en)
CA (1) CA2394562C (en)
DE (1) DE60028240T2 (en)
ES (1) ES2263515T3 (en)
WO (1) WO2001043826A1 (en)

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Also Published As

Publication number Publication date
CA2394562C (en) 2004-11-30
ATE524218T1 (en) 2011-09-15
WO2001043826A1 (en) 2001-06-21
AU2907301A (en) 2001-06-25
EP1239920A1 (en) 2002-09-18
EP1702651B1 (en) 2011-09-14
ES2263515T3 (en) 2006-12-16
ATE327003T1 (en) 2006-06-15
EP1239920B1 (en) 2006-05-24
DE60028240D1 (en) 2006-06-29
EP1702651A3 (en) 2008-11-26
EP1702651A2 (en) 2006-09-20
EP1239920B8 (en) 2006-07-19
US6482142B1 (en) 2002-11-19
DE60028240T2 (en) 2007-03-29

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