WO2002021993A3 - Use of radiation for inhibiting hyperplasia after intravascular intervention - Google Patents

Use of radiation for inhibiting hyperplasia after intravascular intervention Download PDF

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Publication number
WO2002021993A3
WO2002021993A3 PCT/US2001/026848 US0126848W WO0221993A3 WO 2002021993 A3 WO2002021993 A3 WO 2002021993A3 US 0126848 W US0126848 W US 0126848W WO 0221993 A3 WO0221993 A3 WO 0221993A3
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
spaced apart
intravascular intervention
shields
catheter body
Prior art date
Application number
PCT/US2001/026848
Other languages
French (fr)
Other versions
WO2002021993A2 (en
Inventor
Michael R Forman
Paul A Lovoi
Tom W Rusch
Original Assignee
Xoft Microtube Inc
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 Xoft Microtube Inc filed Critical Xoft Microtube Inc
Priority to AU2001288474A priority Critical patent/AU2001288474A1/en
Publication of WO2002021993A2 publication Critical patent/WO2002021993A2/en
Publication of WO2002021993A3 publication Critical patent/WO2002021993A3/en

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
    • A61N5/1002—Intraluminal radiation therapy
    • 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
    • A61N5/1002—Intraluminal radiation therapy
    • A61N2005/1003—Intraluminal radiation therapy having means for centering a radioactive source within the lumen, e.g. balloons
    • 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
    • A61N2005/1019—Sources therefor
    • A61N2005/1021—Radioactive fluid

Abstract

Apparatus and methods are provided for applying a radially uniform radiation dose to an intravascular treatment region to inhibit hyperplasia, and specifically to reduce 'candy-wrapper' ends, following intravascular intervention. An embodiment of the apparatus comprises a catheter body (10) having a proximal end (14) and a distal end (16), a pair of axially spaced apart radiation shields (18 and 20) on the catheter body (10), and a radiation source (22). The radiation source (22) applies a radiation dose, which is substantially uniform in a radial direction over an entire distance between the axially spaced apart shields (18 and 20).
PCT/US2001/026848 2000-09-14 2001-08-27 Use of radiation for inhibiting hyperplasia after intravascular intervention WO2002021993A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001288474A AU2001288474A1 (en) 2000-09-14 2001-08-27 Use of radiation for inhibiting hyperplasia after intravascular intervention

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/661,438 2000-09-14
US09/661,438 US6390967B1 (en) 2000-09-14 2000-09-14 Radiation for inhibiting hyperplasia after intravascular intervention

Publications (2)

Publication Number Publication Date
WO2002021993A2 WO2002021993A2 (en) 2002-03-21
WO2002021993A3 true WO2002021993A3 (en) 2002-07-18

Family

ID=24653596

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/026848 WO2002021993A2 (en) 2000-09-14 2001-08-27 Use of radiation for inhibiting hyperplasia after intravascular intervention

Country Status (3)

Country Link
US (1) US6390967B1 (en)
AU (1) AU2001288474A1 (en)
WO (1) WO2002021993A2 (en)

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Also Published As

Publication number Publication date
WO2002021993A2 (en) 2002-03-21
US6390967B1 (en) 2002-05-21
AU2001288474A1 (en) 2002-03-26

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