DE69526998T2 - Licht-Diffusor und Herstellungsverfahren eines Licht-Diffusors - Google Patents

Licht-Diffusor und Herstellungsverfahren eines Licht-Diffusors

Info

Publication number
DE69526998T2
DE69526998T2 DE69526998T DE69526998T DE69526998T2 DE 69526998 T2 DE69526998 T2 DE 69526998T2 DE 69526998 T DE69526998 T DE 69526998T DE 69526998 T DE69526998 T DE 69526998T DE 69526998 T2 DE69526998 T2 DE 69526998T2
Authority
DE
Germany
Prior art keywords
core
light diffuser
layer
substance
scattering particles
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.)
Expired - Fee Related
Application number
DE69526998T
Other languages
English (en)
Other versions
DE69526998D1 (de
Inventor
Den Bergh Prof Dr Van
Jerome Mizeret
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.)
Novartis Pharma GmbH
Novartis AG
Original Assignee
Novartis Erfindungen Verwaltungs GmbH
Novartis AG
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 Novartis Erfindungen Verwaltungs GmbH, Novartis AG filed Critical Novartis Erfindungen Verwaltungs GmbH
Application granted granted Critical
Publication of DE69526998D1 publication Critical patent/DE69526998D1/de
Publication of DE69526998T2 publication Critical patent/DE69526998T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/241—Light guide terminations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/245—Removing protective coverings of light guides before coupling
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/3616—Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench
    • G02B6/3624—Fibre head, e.g. fibre probe termination
DE69526998T 1994-03-25 1995-03-16 Licht-Diffusor und Herstellungsverfahren eines Licht-Diffusors Expired - Fee Related DE69526998T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94810188 1994-03-25

Publications (2)

Publication Number Publication Date
DE69526998D1 DE69526998D1 (de) 2002-07-18
DE69526998T2 true DE69526998T2 (de) 2002-12-19

Family

ID=8218232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526998T Expired - Fee Related DE69526998T2 (de) 1994-03-25 1995-03-16 Licht-Diffusor und Herstellungsverfahren eines Licht-Diffusors

Country Status (10)

Country Link
US (2) US5536265A (de)
EP (1) EP0676218B1 (de)
JP (1) JP3477592B2 (de)
AT (1) ATE218905T1 (de)
CA (1) CA2145371C (de)
DE (1) DE69526998T2 (de)
DK (1) DK0676218T3 (de)
ES (1) ES2178663T3 (de)
PT (1) PT676218E (de)
RU (1) RU2144688C1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3906967A1 (de) * 2020-05-05 2021-11-10 Richard Wolf GmbH Lichtapplikator

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Also Published As

Publication number Publication date
ATE218905T1 (de) 2002-06-15
JP3477592B2 (ja) 2003-12-10
JPH07265449A (ja) 1995-10-17
RU95104321A (ru) 1996-11-27
EP0676218B1 (de) 2002-06-12
PT676218E (pt) 2002-10-31
CA2145371A1 (en) 1995-09-26
DK0676218T3 (da) 2002-10-07
RU2144688C1 (ru) 2000-01-20
ES2178663T3 (es) 2003-01-01
EP0676218A1 (de) 1995-10-11
US5536265A (en) 1996-07-16
US5695583A (en) 1997-12-09
DE69526998D1 (de) 2002-07-18
CA2145371C (en) 2007-05-22

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