WO2000041768A8 - Patient portable device for photodynamic therapy - Google Patents

Patient portable device for photodynamic therapy

Info

Publication number
WO2000041768A8
WO2000041768A8 PCT/US2000/000805 US0000805W WO0041768A8 WO 2000041768 A8 WO2000041768 A8 WO 2000041768A8 US 0000805 W US0000805 W US 0000805W WO 0041768 A8 WO0041768 A8 WO 0041768A8
Authority
WO
WIPO (PCT)
Prior art keywords
optical fiber
patient
light source
light
distal portion
Prior art date
Application number
PCT/US2000/000805
Other languages
French (fr)
Other versions
WO2000041768A1 (en
Inventor
James Chen
Brian Wilkerson
Dave Brown
Darrin Huston
Mike Mcquade
Original Assignee
Light Sciences Ltd
James Chen
Brian Wilkerson
Dave Brown
Darrin Huston
Mike Mcquade
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, James Chen, Brian Wilkerson, Dave Brown, Darrin Huston, Mike Mcquade filed Critical Light Sciences Ltd
Priority to AU27252/00A priority Critical patent/AU2725200A/en
Priority to DE60038436T priority patent/DE60038436T2/en
Priority to JP2000593376A priority patent/JP4358447B2/en
Priority to CA2356478A priority patent/CA2356478C/en
Priority to EP00905599A priority patent/EP1144049B1/en
Publication of WO2000041768A1 publication Critical patent/WO2000041768A1/en
Publication of WO2000041768A8 publication Critical patent/WO2000041768A8/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
    • A61N5/0601—Apparatus for use inside the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B2018/2005—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser with beam delivery through an interstitially insertable device, e.g. needle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B2018/2255—Optical elements at the distal end of probe tips
    • A61B2018/2261—Optical elements at the distal end of probe tips with scattering, diffusion or dispersion of light
    • 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

Abstract

A patient portable photodynamic therapy device securable to a patient includes a lightweight rechargeable battery and a light source, such as an LED or a cold cathode fluorescent (CCF) tube powered thereby. The light source is coupled in light channeling relation to a proximal portion of a biocompatible optical fiber, which includes a distal portion with an optional diffuser that uniformly distributes light as it exits the distal portion. The light channeling between the light source and an optical fiber may be accomplished through any number of lens, including a totally internally reflective (TIR) lens. The distal end of the optical fiber is optionally provided with an anchoring balloon that can be inflated after the optical fiber is properly positioned at a treatment site within a patient's body. The balloon securely lodges the distal portion within the tissue at the treatment site, and is deflated to facilitate the removal of the optical fiber once the treatment is complete.
PCT/US2000/000805 1999-01-15 2000-01-14 Patient portable device for photodynamic therapy WO2000041768A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU27252/00A AU2725200A (en) 1999-01-15 2000-01-14 Patient portable device for photodynamic therapy
DE60038436T DE60038436T2 (en) 1999-01-15 2000-01-14 PATIENT PORTABLE DEVICE FOR PHOTODYNAMIC THERAPY
JP2000593376A JP4358447B2 (en) 1999-01-15 2000-01-14 Portable device for patients with photodynamic therapy
CA2356478A CA2356478C (en) 1999-01-15 2000-01-14 Patient portable device for photodynamic therapy
EP00905599A EP1144049B1 (en) 1999-01-15 2000-01-14 Patient portable device for photodynamic therapy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/232,129 US6454789B1 (en) 1999-01-15 1999-01-15 Patient portable device for photodynamic therapy
US09/232,129 1999-01-15

Publications (2)

Publication Number Publication Date
WO2000041768A1 WO2000041768A1 (en) 2000-07-20
WO2000041768A8 true WO2000041768A8 (en) 2001-04-05

Family

ID=22871981

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/000805 WO2000041768A1 (en) 1999-01-15 2000-01-14 Patient portable device for photodynamic therapy

Country Status (9)

Country Link
US (2) US6454789B1 (en)
EP (1) EP1144049B1 (en)
JP (1) JP4358447B2 (en)
AT (1) ATE390172T1 (en)
AU (1) AU2725200A (en)
CA (1) CA2356478C (en)
DE (1) DE60038436T2 (en)
ES (1) ES2302687T3 (en)
WO (1) WO2000041768A1 (en)

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