WO2015062840A1 - Dispositif de luminothérapie - Google Patents

Dispositif de luminothérapie Download PDF

Info

Publication number
WO2015062840A1
WO2015062840A1 PCT/EP2014/071720 EP2014071720W WO2015062840A1 WO 2015062840 A1 WO2015062840 A1 WO 2015062840A1 EP 2014071720 W EP2014071720 W EP 2014071720W WO 2015062840 A1 WO2015062840 A1 WO 2015062840A1
Authority
WO
WIPO (PCT)
Prior art keywords
treatment
light
positioning part
positioning
area
Prior art date
Application number
PCT/EP2014/071720
Other languages
English (en)
Inventor
Wouter Petrus Kaandorp
Suzanne Daniëlle VAN DER ZAAN - LANDWEHR JOHAN
Gerardus Maria DANKERS
Simone Irene Elisabeth Vulto
Jacobus Petrus Johannes VAN OS
Original Assignee
Koninklijke Philips N.V.
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 Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of WO2015062840A1 publication Critical patent/WO2015062840A1/fr

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
    • A61N5/0616—Skin treatment other than tanning
    • 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

Definitions

  • This invention relates to a light treatment device, for light therapy.
  • Vulgaris full body treatments are used. Although this guarantees that e.g. plaques of Psoriasis Vulgaris are treated, a large area of healthy skin is treated as well. Dependent on the kind of treatment, the effects of treating healthy skin can differ from seriously impacting a patient's health to less serious cosmetic effects such as hyper pigmentation.
  • a light treatment device comprising a positioning part having an opening for positioning over and viewing a treatment area, an attachment for attaching the positioning part to a patient, a treatment part having a light emitter for providing treatment light to the treatment area, and a magnetic coupling between a smooth engagement surface of the positioning part and a smooth engagement surface of the treatment part.
  • Skin flakes and ointments may be present on the skin. These may only contact the positioning part, and not the treatment part, such that only the positioning part requires cleaning between uses.
  • the magnetic coupling can enable convenient coupling of the positioning part and the treatment part. Further, use of a magnetic coupling can help to provide increased hygiene. In particular, use of a magnetic coupling allows the provision of a treatment device with a smooth engagement surface, that is to say, without the crevices, hooks, ridges, etc. that are intrinsic to some other connection methods and a smooth treatment device is easier to clean when it is contaminated by ointments, skin flakes, etc.
  • the positioning part and the treatment part may each comprise at least one permanent magnet as part of the magnetic coupling.
  • the positioning part and the treatment part may each comprise a plurality of permanent magnets as part of the magnetic coupling. This can provide a robust coupling and also an angularly adjustable (i.e rotatable) coupling between the treatment device and the positioning device.
  • the positioning part and the treatment part may each comprise a continuous, magnetic ring as part of the magnetic coupling.
  • the opening may be a hole.
  • the opening may be a transparent or translucent panel. This can prevent the treatment part from becoming contaminated with e.g. skin flakes and ointments in use.
  • the light emitter may comprise one or more LEDs.
  • the light treatment device may further comprise a safety device for preventing the light emitter from emitting light when the positioning part and the treatment part are not (magnetically) coupled together. This can prevent stray light from escaping.
  • the positioning part and the treatment part may have complementary formations for preventing light from escaping between the positioning part and the treatment part when the formations are engaged.
  • These complimentary formations may comprise a smooth engagement surface on the positioning part and a smooth engagement surface on the treatment part.
  • These complimentary formations when brought together, may prevent stray light from escaping. Stray light may damage skin and/or eyes. They may prevent particulates from falling on the treatment area, they may prevent skin flakes and ointments from exiting the treatment area which may bring hygiene and cleanability benefits to the user.
  • the smooth engagement surfaces may bring a further advantage to the cleaning process as there are no hooks, protrusions or crevices where biological matter or ointments may become trapped.
  • the attachment for attaching the positioning part to a patient may comprise a strap. This represents a particularly convenient attachment.
  • the positioning part and the treatment part may be separable. This can enable the two parts to be more easily cleaned, e.g. for the positioning part to be subjected to a more thorough cleaning regime.
  • a method of positioning a light treatment device comprising aligning an opening of a positioning part with a treatment area of a patient whilst viewing the treatment area through the opening, attaching the positioning part to the patient and magnetically coupling a smooth engagement surface of the treatment part to a smooth engagement surface of the positioning part.
  • the light emitter may be prevented from emitting light when the positioning part and the treatment part are not magnetically coupled together. This can prevent stray light from escaping.
  • Fig. 1 shows a perspective view of a light treatment device in an unmounted position
  • Fig. 2 shows a perspective view of the light treatment device of Fig. 1 in a different configuration where the treatment part is mounted in the intended operational position;
  • Fig. 3 shows a perspective view of the light treatment device of Fig. 1 from below;
  • Fig. 4 shows a sectional view of a treatment part of the light treatment device of Fig. 1;
  • Figure 5 shows a perspective view of a component of the positioning part of the light treatment device of Figure 1;
  • Fig. 6 shows a perspective view of the treatment part of the light treatment device of Fig. 1;
  • Fig. 7 shows a perspective view of a positioning part of a light treatment device in use
  • Fig. 8 shows a perspective view of a light treatment device comprising the positioning part of Fig. 7 in use
  • Fig. 9 shows a schematic cross sectional view of another light treatment device
  • Fig. 10 shows a schematic cross sectional view of an alternative positioning part for a light treatment device
  • Fig. 11 shows a plan view of a disc for use in the positioning part of Fig. 10
  • Fig. 12 shows a plan view of a disc for use in the light treatment device of
  • Fig. 13 shows a schematic cross sectional view of another light treatment device
  • Fig. 14 shows a schematic cross sectional view of the light treatment device of
  • the invention provides a light treatment device comprising a positioning part and a treatment part.
  • the positioning part has an opening for positioning over and viewing a treatment area.
  • An attachment is provided for attaching the positioning part to a patient.
  • the treatment part has a light emitter for providing treatment light to the treatment area.
  • the positioning part and the treatment part have a magnetic coupling there between.
  • Figures 1 to 6 show a light treatment device, indicated generally at 1.
  • Figure 1 shows a light treatment device 1 comprising a carrier 11 having an opening 5 for positioning over and viewing a treatment area.
  • An attachment 3 for attaching the carrier 11 to a patient and a light emitter 6 for providing treatment light to the treatment area are also provided.
  • the carrier 11 is a positioning part 11.
  • the positioning part 11 comprises the attachment 3 for attaching the positioning part to the patient and the opening 5 for positioning over and viewing the treatment area.
  • the light treatment device 1 also comprises a treatment part 21 comprising the light emitter 6 for providing treatment light to the treatment area.
  • the light treatment device 1 also comprises a coupling 7, 9 for coupling the positioning part 11 and the treatment part 21 together (see Figures 5 and 6).
  • This coupling may have complimentary features, the magnetic coupling 7, 9 may be a complete continuation around the opening, in the embodiment shown this would mean that the magnetic coupling would be a circular ring.
  • the magnetic coupling 7, 9 may be 180° apart, they may be at 4 positions around the circumference of the opening, i.e.
  • the magnetic coupling 7,9 may be positioned at any desired angular spacing from the next so that a desired orientation resolution is achievable.
  • a further embodiment may have irregular angular spacings between the magnetic coupling so that the treatment part 21 and positioning part 11 can only be coupled in a certain orientation.
  • Skin flakes and ointments may be present on the skin.
  • the opening 5 is covered with a transparent window only the positioning part 11 can contact the skin and thus the skin flakes and ointments, and not the treatment part 21, such that only the positioning part 11 requires thorough cleaning between uses.
  • the coupling 7, 9 for coupling the positioning part 11 and the treatment part 21 is a magnetic coupling.
  • This can enable convenient coupling of the positioning part 11 and the treatment part 21.
  • use of a magnetic coupling can help to provide increased hygiene.
  • use of a magnetic coupling allows the provision of a treatment device 21 without the crevices, hooks, ridges, etc. that are intrinsic to some other connection methods and a smooth treatment device is easier to clean when it is contaminated by ointments, skin flakes, etc.
  • the positioning part 11 and the treatment part 21 each comprise a plurality of (two) permanent magnets 7, 9 as part of the magnetic coupling. This can provide a robust coupling.
  • the positioning part 11 and the treatment part 21 may each comprise one permanent magnet 7, 9 as part of the magnetic coupling.
  • the magnetic coupling 7, 9 may comprise permanent magnets 7 in the positioning part 11 and ferromagnetic elements 9 in the treatment part 21.
  • the magnetic coupling 7, 9 may comprise ferromagnetic elements 7 in the positioning part 11 and permanent magnets 9 in the treatment part 21.
  • the magnetic coupling 7, 9 may comprise permanent magnets 7 in the positioning part 11 and permanent magnets 9, of appropriate polarity, in the treatment part 21.
  • the magnets 7 may be an electro magnet powered by a portable power store such as a battery.
  • the magnets 9 may be an electromagnet, these may be powered by the power source for the light emitter 6 or they may be powered by a separate source.
  • the opening 5 is a hole.
  • the opening 5 may be a transparent or translucent panel. This can prevent the treatment part from becoming contaminated with e.g. skin flakes and ointments in use.
  • the positioning part 11 and the treatment part 21 are separable. This can enable the two parts to be more easily cleaned, e.g. for the positioning part 11 to be subjected to a more thorough cleaning regime.
  • the positioning part 11 may be suitable for sterilization, this may be steam sterilization, chemical sterlilization, irradiation sterilization, high pressure sterilization or combinations thereof that prove suitable.
  • the most commonly used form of sterilization uses a combination of steam andpressure sterilization in an autoclave.
  • Indicator tape may be provided on the positioning part to enable a positive visual check that the necessary conditions, temperature and pressure have been met, the tape contains a chemical which changes colour when the conditions are met.
  • Autoclaves commonly use steam heated to 121°-134°C. To achieve sterility, a holding time of at least 15 minutes at 121°C and 15psi or 3 minutes at 134°C at 15psi is required.
  • the attachment 3 for attaching the positioning part to a patient is a strap. This represents a particularly convenient attachment.
  • the light emitter 6 comprises a plurality of
  • the light emitter 6 may be behind a transparent or translucent cover 23.
  • the positioning part 11 and the treatment part 21 may have complementary formations 25, 27, these complimentary formations may, for example, be a smooth engagement surface on the positioning part and a smooth engagement surface on the treatment part.
  • These smooth engagement surfaces when brought together may prevent light from escaping between the positioning part and the treatment part, Stray light may damage skin and/or eyes. They may prevent particulates such as dust or skin flakes from falling onto the treatment area and they may facilitate the easy cleaning of both the positioning part 11 and the treatment part 21 as there are no protrusions, hooks or recesses where matter may become trapped.
  • the light treatment device may further comprise a safety device for preventing the light emitter from emitting light when the positioning part and the treatment part are not magnetically coupled together. This can prevent stray light from escaping.
  • Figures 7 and 8 show a light treatment device 1 in use. In Figure 7 the opening 5 of the light treatment device 1 is positioned over a treatment area, which is viewable, and the attachment 3 is attaching the light treatment device 1 to the leg of a patient. As shown in Figure 8 the light emitter is providing treatment light to the treatment area and no stray light is escaping.
  • This light treatment device also comprises a carrier 11 having an opening 5 for positioning over and viewing a treatment area, an attachment 3 for attaching the carrier 11 to a patient, and a light emitter 6 for providing treatment light to the treatment area.
  • this can enable the opening 5 to be positioned over an area where light therapy is desired, whilst viewing the area, and then held in position with the attachment 3. Light therapy can then be administered to the area. Further, treatment of areas where light therapy is not desired can be avoided.
  • the carrier 11 is a positioning part 11.
  • the positioning part 11 comprises the opening 5 for positioning over and viewing the treatment area.
  • the attachment 3 is for attaching the positioning part 11 to a patient.
  • the light treatment device 1 also comprises a treatment part 21 comprising the light emitter 6 for providing treatment light to the treatment area.
  • the light treatment device 1 further comprises a coupling 7, 9 for coupling the positioning part 11 and the treatment part 21 together.
  • the coupling 7, 9 is a snap ring coupling.
  • Skin flakes and ointments may be present on the skin. These may only contact the positioning part 11, and not the treatment part 21, such that only the positioning part 11 requires thorough cleaning between uses.
  • the coupling 7, 9 for coupling the positioning part 11 and the treatment part 21 could alternatively or additionally comprise a magnetic coupling. This can enable convenient coupling of the positioning part 11 and the treatment part 21.
  • the opening 5 is a hole.
  • the opening 5 may be a transparent or translucent panel. This can prevent the treatment part from becoming contaminated with e.g. skin flakes and ointments in use.
  • the positioning part 11 and the treatment part 21 are separable. This can enable the two parts to be more easily cleaned, e.g. for the positioning part 11 to be subjected to a more thorough cleaning regime.
  • the light emitter 6 comprises one or more LEDs.
  • the positioning part 11 and the treatment part 21 have complementary formations 25, 27 for preventing light from escaping between the positioning part and the treatment part when the formations are engaged. This can prevent stray light from escaping. Stray light may damage skin and/or eyes.
  • the light treatment device 1 may further comprise a safety device for preventing the light emitter from emitting light when the positioning part and the treatment part are not (magnetically) coupled together. This can prevent stray light from escaping which may damage skin and/or eyes.
  • the attachment 3 for attaching the positioning part to a patient comprises a strap. This represents a particularly convenient attachment.
  • the light treatment device 1 of Figures 10 and 11 comprises a positioning part 11, an attachment 3 for attaching the positioning part to a patient and an opening 5 for positioning over and viewing a treatment area.
  • the position relative to the light treatment device 1, size and/or shape of the treatment area are adjustable. This can enable different treatment areas to be selected.
  • the light treatment device 1 further comprises a disc 31 having a plurality of holes 33 and/or transparent panels 33 for adjusting the position, size and/or shape of the treatment area. This represents a simple arrangement for selecting the treatment area.
  • the disc 31 sits in the snap ring coupling 9.
  • the disc 31 is rotatably mounted.
  • the positioning part 11 comprises a window 35 such that only the hole and/or transparent panel 5 over the window provides a treatment area. In this way, only one 5 of the plurality of holes 33 and/or transparent panels 33 provides the treatment area.
  • another light treatment device 1 comprises a disc 41 having a single hole 43 and/or transparent panel 43 for adjusting the position of the treatment area. The disc 41 sits in the snap ring coupling 9 of a device such as that of Figure 9.
  • the hole 43 and/or transparent panel 43 may be non-circular.
  • the hole 43 and/or transparent panel 43 are oval shaped.
  • the disc 41 is rotatably mounted.
  • Alternative discs may be provided having different sized and shaped holes and/or transparent panels for different sized and shaped treatment areas.
  • the hole 43 and/or transparent panel 43 may be positioned off-centre from the disc 41.
  • Discs may be provided which do not initially have a hole but which are manually cut prior to use in order to match the desired treatment area.
  • a further light treatment device 1 is shown in Figures 13 and 14.
  • the light treatment device indicated generally at 1 , comprises a carrier 11 having an opening 5 for positioning over and viewing a treatment area.
  • an attachment 3 for attaching the light treatment device 1 to a patient and a light emitter 6 for providing treatment light to the treatment area are.
  • the light emitter 6 is formed as part of the carrier 11 rather than being removably attached to it. Furthermore, the light emitter 6 is at least partially transparent.
  • the light treatment device 1 comprises a transparent and/or translucent part 51 forming an opening 5 within the attachment 3. As the part 51 is transparent/translucent the treatment area is viewable through the opening 5 in which the transparent part 51 is mounted.
  • the light emitter 6 is also formed in the transparent/translucent part 51.
  • the light treatment device further comprises a cover 53 for covering the opening 5 and preventing emission of stray light. This can enable positioning of the device 1 whilst viewing the treatment area through opening 5 when the cover 53 is not in place and, when the cover 53 is in place (as shown in Figure 14), prevent stray light from escaping whilst the treatment device 1 is in use.
  • the cover 53 is connected to the treatment device 1 by a hinge 55.
  • the light treatment device 1 may also comprise a safety device for preventing the light emitter 6 from emitting light when the cover is not covering the opening. This can prevent accidental operation of the device when the cover is not in place.
  • the attachment for attaching the positioning part to a patient comprises a strap. This represents a particularly convenient attachment.
  • the device of the invention is preferably for treating relatively large regions of the body, and for this purpose the opening typically has a maximum linear dimension in the range 3cm to 15cm, such as a circle with diameter in this range.
  • the attachment can be a strap as described above, for example for fixing around a limb or the torso, but other fixings can be used to hold the opening in the desired position over the area to be treated.
  • an adhesive layer can be used, similar to a plaster adhesive.
  • the light source may be disabled when not engaged in the opening or when the light shielding lid is not closed. This can be achieved by
  • the light output of the light emitter is typically in the wavelength range of from 300 nm to 1100 nm with intensities up to 100 mW/cm 2 .
  • the light emitter may emit UVB (280 nm to 315 nm), UVA (315 nm to 380 nm or 315 nm to 400 nm), visible (380 nm to 780 nm or 400 nm to 780 nm) and/or IR-A (780 nm to 1400 nm) light, depending on the condition to be treated.
  • the light emitter may emit in the long-wave part of the UVB spectrum (e.g. between 300 and 320 nm or 305 nm and 315 nm), such light may be used to treat psoriasis.

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  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

L'invention concerne un dispositif de luminothérapie (1) comprenant une partie de positionnement (11) et une partie de traitement (21). La partie de positionnement (11) comprend une ouverture (5) devant être positionnée au-dessus d'une région de traitement et permettant de visualiser celle-ci. Un accessoire (3) est conçu pour fixer la partie de positionnement (11) à un patient. La partie de traitement (21) comprend un émetteur de lumière (6) prévu pour fournir une lumière de traitement à la région de traitement. La partie de positionnement (11) et la partie de traitement (21) sont reliées entre elles par un couplage magnétique (7, 9). Le dispositif est utile étant donné que l'ouverture peut être positionnée au-dessus d'une région où une luminothérapie est souhaitée, tandis que la région est visualisée, le dispositif étant ensuite retenu en place à l'aide de l'accessoire. La luminothérapie peut ainsi être administrée à la région, et on peut par conséquent éviter de traiter les régions où la luminothérapie n'est pas souhaitée.
PCT/EP2014/071720 2013-11-01 2014-10-10 Dispositif de luminothérapie WO2015062840A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13191244.6 2013-11-01
EP13191244 2013-11-01

Publications (1)

Publication Number Publication Date
WO2015062840A1 true WO2015062840A1 (fr) 2015-05-07

Family

ID=49517348

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/071720 WO2015062840A1 (fr) 2013-11-01 2014-10-10 Dispositif de luminothérapie

Country Status (1)

Country Link
WO (1) WO2015062840A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1170177A (ja) * 1997-08-29 1999-03-16 Shimadzu Corp レーザ光式治療器
US7100615B1 (en) * 2002-11-25 2006-09-05 Cms-Dental Aps Low level laser therapy system
US20120016429A1 (en) * 2010-07-19 2012-01-19 David Klorg Implantable Connector Systems Having Magnetic Portions Thereon and Related Methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1170177A (ja) * 1997-08-29 1999-03-16 Shimadzu Corp レーザ光式治療器
US7100615B1 (en) * 2002-11-25 2006-09-05 Cms-Dental Aps Low level laser therapy system
US20120016429A1 (en) * 2010-07-19 2012-01-19 David Klorg Implantable Connector Systems Having Magnetic Portions Thereon and Related Methods

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