WO2000015296A8 - Conformal patch for administering light therapy to subcutaneous tumors - Google Patents

Conformal patch for administering light therapy to subcutaneous tumors

Info

Publication number
WO2000015296A8
WO2000015296A8 PCT/US1999/019015 US9919015W WO0015296A8 WO 2000015296 A8 WO2000015296 A8 WO 2000015296A8 US 9919015 W US9919015 W US 9919015W WO 0015296 A8 WO0015296 A8 WO 0015296A8
Authority
WO
WIPO (PCT)
Prior art keywords
flexible
light sources
patch
electrical current
flexible substrate
Prior art date
Application number
PCT/US1999/019015
Other languages
French (fr)
Other versions
WO2000015296A1 (en
Inventor
James C Chen
Brent Wiscombe
Original Assignee
Light Sciences Ltd Partnership
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 Light Sciences Ltd Partnership filed Critical Light Sciences Ltd Partnership
Priority to CA002341235A priority Critical patent/CA2341235C/en
Priority to EP99942359A priority patent/EP1109599A4/en
Priority to JP2000569880A priority patent/JP2003526391A/en
Priority to AU55757/99A priority patent/AU750568B2/en
Publication of WO2000015296A1 publication Critical patent/WO2000015296A1/en
Publication of WO2000015296A8 publication Critical patent/WO2000015296A8/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/062—Photodynamic therapy, i.e. excitation of an agent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
    • A61N2005/0645—Applicators worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A61N2005/0652—Arrays of diodes

Abstract

A flexible patch (10) provided with a plurality of light sources (16) mounted in spaced apart array on its undersurface, and covered with an optically transparent polymer material. The light sources (16) are energized with an electrical current supplied by a flexible polymer battery (44), which is preferably rechargeable. Electrical current is conveyed through a lead (42) that extends from the flexible battery to the flexible patch (10) and then through an electrical circuit that includes a plurality of conductive traces (12, 14) formed using a conductive ink applied to the surface of a flexible substrate that supports the light sources. The thickness of the flexible patch (16) at its maximum is less than 1.0 millimeters. The light sources (16) can be separatly grouped, the electrical current supplied to each group individually controlled to achieve a desired light intensity, and/or duration exposure to the light therapy over different portions of the undersurface (40) of the flexible patch (10) with different portions of the treatment site. A plurality of slots (46, 48) that extend through the flexible substrate provide passages for air, for moisture, enabling the flexible substrate to freely, and more readily conform to irregular, non-planer shapes of the treatment site.
PCT/US1999/019015 1998-09-11 1999-08-20 Conformal patch for administering light therapy to subcutaneous tumors WO2000015296A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002341235A CA2341235C (en) 1998-09-11 1999-08-20 Conformal patch for administering light therapy to subcutaneous tumors
EP99942359A EP1109599A4 (en) 1998-09-11 1999-08-20 Conformal patch for administering light therapy to subcutaneous tumors
JP2000569880A JP2003526391A (en) 1998-09-11 1999-08-20 Obedient patch for subcutaneous tumor phototherapy
AU55757/99A AU750568B2 (en) 1998-09-11 1999-08-20 Conformal patch for administering light therapy to subcutaneous tumors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/151,844 US6096066A (en) 1998-09-11 1998-09-11 Conformal patch for administering light therapy to subcutaneous tumors
US09/151,844 1998-09-11

Publications (2)

Publication Number Publication Date
WO2000015296A1 WO2000015296A1 (en) 2000-03-23
WO2000015296A8 true WO2000015296A8 (en) 2001-03-01

Family

ID=22540462

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/019015 WO2000015296A1 (en) 1998-09-11 1999-08-20 Conformal patch for administering light therapy to subcutaneous tumors

Country Status (6)

Country Link
US (1) US6096066A (en)
EP (1) EP1109599A4 (en)
JP (1) JP2003526391A (en)
AU (1) AU750568B2 (en)
CA (1) CA2341235C (en)
WO (1) WO2000015296A1 (en)

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CA2341235A1 (en) 2000-03-23
WO2000015296A1 (en) 2000-03-23
EP1109599A1 (en) 2001-06-27
CA2341235C (en) 2009-12-15
JP2003526391A (en) 2003-09-09
EP1109599A4 (en) 2007-07-25
AU5575799A (en) 2000-04-03
US6096066A (en) 2000-08-01

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