CA2392985A1 - Light delivery systems and applications thereof - Google Patents

Light delivery systems and applications thereof Download PDF

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Publication number
CA2392985A1
CA2392985A1 CA002392985A CA2392985A CA2392985A1 CA 2392985 A1 CA2392985 A1 CA 2392985A1 CA 002392985 A CA002392985 A CA 002392985A CA 2392985 A CA2392985 A CA 2392985A CA 2392985 A1 CA2392985 A1 CA 2392985A1
Authority
CA
Canada
Prior art keywords
light
lighting device
protective cover
handle
distributor
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
CA002392985A
Other languages
French (fr)
Other versions
CA2392985C (en
Inventor
Jeffrey B. Williams
Robert Caywood
Jeffery R. Parker
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.)
Lumitex Inc
Original Assignee
Lumitex 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 Lumitex Inc filed Critical Lumitex Inc
Publication of CA2392985A1 publication Critical patent/CA2392985A1/en
Application granted granted Critical
Publication of CA2392985C publication Critical patent/CA2392985C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • 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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—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 planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0615—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements for radial illumination
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/282—Jaws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B2017/0237—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for heart surgery
    • A61B2017/0243—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for heart surgery for immobilizing local areas of the heart, e.g. while it beats
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B2090/306—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B2090/309—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using white LEDs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N2001/028—Sampling from a surface, swabbing, vaporising
    • 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
    • G02B6/0011—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 planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0011—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 planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Surgical Instruments (AREA)

Abstract

Light delivery systems/lighting devices include a light distributor and a flexible light emitter. A malleable member adjacent said light emitter is bendable to hold the shape of the light emitter once arranged in a desired position. A protective cover protects the light emitter and/or light distributor from direct contact with contaminants or components which may interfere with proper operation thereof. A handle connected to the light distributor contains a light pipe or rod that provides an interface between the light distributor and a light source conduit which may be inserted into a socket in the handle or connected to a male adaptor mounted in the socket.

Claims (46)

1. A lighting device comprising a light distributor for receiving light from an associated light source and propagating light therethrough via internal reflection, a flexible light emitter for emitting light propagated by said light distributor, said light emitter having a greater width than thickness and opposite ends and sides and top and bottom surfaces, and a malleable member made of a flat sheet of malleable material extending along a portion of the length of said light emitter, said malleable member being bendable to hold the shape of said light emitter once arranged in a desired position.
2. The lighting device of claim 1 wherein said malleable member has sufficient strength to provide retraction on its own.
3. The lighting device of claim 1 wherein said malleable member has a handle at one end.
4. The lighting device of claim 1 wherein said malleable member has a mounting rod at one end.
5. The lighting device of claim 1 further comprising a protective cover surrounding said light emitter, said malleable member being disposed within said protective cover adjacent said light emitter.
6. The lighting device of claim 5 wherein said malleable member has one of a handle or mounting rod at one end extending outwardly of said protective cover.
7. The lighting device of claim 5 further comprising a separate pocket on one side of said protective cover for receiving one of an instrument or hand tool in said pocket.
8. The lighting device of clam 7 wherein said instrument or hand tool has a handle extending outwardly of said pocket.
9. The lighting device of claim 5 wherein said malleable member is loosely disposed within said protective cover adjacent said light emitter.
10. The lighting device of claim 9 further comprising a back reflector disposed within said protective cover between said light emitter and said malleable member.
11. The lighting device of claim 5 further comprising an air interface between said protective cover and said light emitter.
12. The lighting device of claim 11 wherein said air interface is maintained by at least one of: ribs on an inside surface of said protective cover, and a matte finish on said inside surface.
13. The lighting device of claim 11 wherein said protective cover has a closed end that covers a distal end of said light emitter and extends the full length of said light emitter and said light distributor.
14. The lighting device of claim 13 further comprising a connecting member attached to an end of said light distributor remote from said light emitter, said protective cover being sealed against said connecting member.
15. The lighting device of claim 14 wherein a cable clamp clamps said protective cover in sealed engagement with said connecting member.
16. The lighting device of claim 14 further comprising at least one vent opening in said protective cover forwardly of said connecting member.
17. The lighting device of claim 16 further comprising a handle connected to said end of said light distributor, said handle having a sleeve portion covering said vent opening.
18. The lighting device of claim 17 wherein a cable clamp clamps said protective cover in sealed engagement with said connecting member, and said handle includes an internal recess in which said cable clamp is received for locating said connecting member within said handle.
19. The lighting device of claim 14 further comprising a handle connected to said end of said light distributor, said handle having a socket outwardly of said end of said light distributor.
20. The lighting device of claim 19 further comprising a light pipe mounted within said handle providing an interface between said end of said light distributor and a light source conduit insertable into said socket outwardly of said light pipe.
21. The lighting device of claim 20 wherein said light pipe is made of a material that filters out certain frequencies of light.
22. The lighting device of claim 20 wherein said light pipe comprises a light mixing rod.
23. The lighting device of claim 19 further comprising a male adaptor mountable within said socket with an outer end portion of said male adaptor extending outwardly beyond said handle, and a light pipe within said handle for providing an interface between said end of said light distributor and said outer end portion of said male adaptor.
24. The lighting device of claim 13 wherein said light distributor is substantially round, and said protective cover includes a pouch-like portion covering said light emitter and a tubular sleeve-like portion covering said light distributor.
25. The lighting device of claim 24 wherein said pouch-like portion of said protective cover extends over a portion of said tubular sleeve-like portion and is heat sealed to said tubular sleeve-like portion.
26. The lighting device of claim 24 wherein said pouch-like portion is made of a flexible translucent or transparent material and said tubular sleeve-like portion is made of an opaque material.
27. The lighting device of claim 1 further comprising a protective cover surrounding said light emitter, said malleable member being disposed within said protective cover, and a hole extending through said protective cover, said light emitter and said malleable member to allow for passage of an instrument through said light emitter, said protective cover being completely sealed around said hole.
28. The lighting device of claim 1 further comprising an attachment device for attaching said light emitter to an associated device.
29. The lighting device of claim 28 wherein said attachment device comprises at least one of the following: an adhesive member, Velcro fasteners, clips, hooks, tabs, clamps and snaps.
30. The lighting device of claim 28 wherein said associated device comprises a surgical instrument.
31. The lighting device of claim 30 wherein said surgical instrument comprises at least one of: a suction device, a vacuum tube, a blower device, an electro-surgical pencil device, a cauterizing device, a retractor, a stabilizer, a tongue depressor, a swab and a forceps.
32. A lighting device comprising a light distributor for receiving light from an associated light source and propagating light therethrough via internal reflection, a light emitter for emitting light propagated by said light distributor, a protective cover surrounding said light distributor and said light emitter, an air interface between said protective cover and said light distributor and said light emitter, said protective cover being closed adjacent an end of said light emitter remote from said light distributor and open adjacent an end of said light distributor remote from said light emitter, said open end of said protective cover being sealed against said end of said light distributor, at least one vent opening in said protective cover inwardly of said sealed open end, and a handle attached to said end of said light distributor, said handle including a sleeve portion overlying said vent opening.
33. The lighting device of claim 32 wherein said handle has a socket outwardly of said end of said light distributor.
34. The lighting device of claim 33 wherein a cable clamp clamps said open end of said protective cover in sealed engagement with said end of said light distributor, and said handle includes an internal recess in which said cable clamp is received for locating said end of said light distributor within said handle.
35. The lighting device of claim 33 further comprising a light pipe within said handle for providing an interface between said end of said light distributor and a light source conduit insertable into said socket.
36. The lighting device of claim 35 wherein said light pipe is made of a material that filters out certain frequencies of light.
37. The lighting device of claim 33 further comprising a male adaptor mountable within said socket with an outer end portion of said adaptor extending outwardly beyond said socket, and a light pipe within said handle and extending through said adaptor for providing an interface between said end of said light distributor and said outer end portion of said adaptor.
38. The lighting device of claim 32 further comprising a hole extending through said protective cover and said light emitter, said protective cover being completely sealed around said hole.
39. The lighting device of claim 32 further comprising an attachment device for attaching an associated device to said lighting device.
40. The lighting device of claim 39 wherein said attachment device comprises at least one of: an adhesive member, Velcro fasteners, clips, hooks, tabs, clamps and snaps.
41. The lighting device of claim 39 wherein said associated device comprises a surgical instrument.
42. The lighting device of claim 32 wherein said protective cover is formed of a material having at least one of the characteristics of: opaque, translucent, transparent, and reflective.
43. A lighting device comprising a light distributor having a connector at one end for receiving light from a light source and propagating light therethrough via internal reflection, and a handle attached to said one end of said light distributor, said handle having a socket outwardly of said connector, and a light pipe within said handle for providing an optical interface between said connector and a light source conduit insertable into said socket outwardly of said light pipe.
44. The lighting device of claim 43 wherein said light pipe is made of a material that filters out certain frequencies of light.
45. The lighting device of claim 43 wherein said light pipe comprises a light mixing rod.
46. The lighting device of claim 43 further comprising a male adaptor mountable within said socket outwardly of said connector with an outer end portion of said adaptor extending outwardly beyond an outer end of said socket, said light pipe extending from said connector to said outer end portion of said adaptor to provide an optical interface between said connector and said outer end portion of said adaptor.
CA2392985A 2001-07-18 2002-07-09 Light delivery systems and applications thereof Expired - Lifetime CA2392985C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/908,968 US6591049B2 (en) 1997-07-02 2001-07-18 Light delivery systems and applications thereof
US09/908,968 2001-07-18

Publications (2)

Publication Number Publication Date
CA2392985A1 true CA2392985A1 (en) 2003-01-18
CA2392985C CA2392985C (en) 2010-06-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2392985A Expired - Lifetime CA2392985C (en) 2001-07-18 2002-07-09 Light delivery systems and applications thereof

Country Status (4)

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US (1) US6591049B2 (en)
EP (1) EP1278007B1 (en)
JP (1) JP3670255B2 (en)
CA (1) CA2392985C (en)

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