Illuminator for photodynamic therapy

Details Illuminator for photodynamic therapy Illuminator for photodynamic therapy

2007-03-13

2007-03-13

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C600S476000, C607S091000

Reexamination Certificate

active

10755318

ABSTRACT:
An apparatus and method for photodynamic therapy or photodynamic diagnosis using an illuminator comprising a plurality of light sources generally conforming to a contoured surface and irradiating the contoured surface with substantially uniform intensity visible light. The light sources may comprise generally U-shaped fluorescent tubes that are driven by electronic ballasts. Adjustment of the ballast voltage controls the output power of the tubes. The tubes are supported by a sheet-metal or plastic housing and are covered by a polycarbonate shield which directs cooling airflow within the unit and prevents glass-patient contact in the event of tube breakage. An aluminum reflector located behind the tubes increases both the output irradiance and the uniformity of the output distribution. The spacing of the U-shaped tubes is varied to increase the output at the edges of the illuminator to make the output more uniform. Also, different portions of the tubes are cooled at different amounts, to improve uniformity. A light sensor monitors output from the U-shaped tubes to provide a signal for adjusting the output from the tubes.

REFERENCES:
patent: 2560808 (1951-07-01), Mccallum
patent: 2699771 (1955-01-01), Ruttger-Pelli
patent: 3658068 (1972-04-01), McNall
patent: 3822706 (1974-07-01), Simone et al.
patent: 4100415 (1978-07-01), Blaisdell et al.
patent: 4103175 (1978-07-01), Levin
patent: 4335724 (1982-06-01), Frei et al.
patent: 4337414 (1982-06-01), Young
patent: 4444190 (1984-04-01), Mutzhas
patent: 4852549 (1989-08-01), Mori
patent: 4879493 (1989-11-01), Mastuno et al.
patent: 4890033 (1989-12-01), Ichinomiya et al.
patent: 5079262 (1992-01-01), Kennedy et al.
patent: 5211938 (1993-05-01), Kennedy et al.
patent: 5219998 (1993-06-01), Levin et al.
patent: 5234940 (1993-08-01), Kennedy et al.
patent: 5258453 (1993-11-01), Kopecek et al.
patent: 5298502 (1994-03-01), Halling et al.
patent: 5344434 (1994-09-01), Talmore
patent: 5353799 (1994-10-01), Chance
patent: 5368841 (1994-11-01), Trauner et al.
patent: 5397770 (1995-03-01), Levin et al.
patent: 5422093 (1995-06-01), Kennedy et al.
patent: 5441531 (1995-08-01), Zarate et al.
patent: 5474528 (1995-12-01), Meserol
patent: 5489279 (1996-02-01), Meserol
patent: 5505726 (1996-04-01), Meserol
patent: 5531928 (1996-07-01), Karam et al.
patent: 5556612 (1996-09-01), Anderson et al.
patent: 5565685 (1996-10-01), Czako et al.
patent: 5626631 (1997-05-01), Eckhouse
patent: 5634711 (1997-06-01), Kennedy et al.
patent: 5645578 (1997-07-01), Daffer et al.
patent: 5707401 (1998-01-01), Talmore
patent: 5713845 (1998-02-01), Tankovich
patent: 5749830 (1998-05-01), Kaneko et al.
patent: 5755751 (1998-05-01), Eckhouse
patent: 5792214 (1998-08-01), Larsson et al.
patent: 5829448 (1998-11-01), Fisher et al.
patent: 5832931 (1998-11-01), Wachter et al.
patent: 5833612 (1998-11-01), Eckhouse et al.
patent: 5836999 (1998-11-01), Eckhouse et al.
patent: 5843143 (1998-12-01), Whitehurst
patent: 5845640 (1998-12-01), Lawandt
patent: 5861020 (1999-01-01), Schwarzmaier
patent: 5899882 (1999-05-01), Waksman et al.
patent: 5908415 (1999-06-01), Sinofsky
patent: 5919217 (1999-07-01), Hughes
patent: 5944748 (1999-08-01), Mager et al.
patent: 5947959 (1999-09-01), Sinofsky
patent: 5957960 (1999-09-01), Chen et al.
patent: 5961543 (1999-10-01), Waldmann
patent: 5971918 (1999-10-01), Zanger
patent: 5998597 (1999-12-01), Fisher et al.
patent: 6011563 (2000-01-01), Fournier et al.
patent: 6013053 (2000-01-01), Bower et al.
patent: 6045575 (2000-04-01), Rosen et al.
patent: 6063108 (2000-05-01), Salansky et al.
patent: 6223071 (2001-04-01), Lundahl et al.
patent: 6269818 (2001-08-01), Lui et al.
patent: 6350275 (2002-02-01), Vreman et al.
patent: 6461866 (2002-10-01), Whitehurst
patent: 6494900 (2002-12-01), Salansky et al.
patent: 1 326 686 (1973-08-01), None
First Phase III, DUSA Pharmaceuticals, Inc. 1996 Annual Report, pp. 1-30, (1997).
Shigeo Shionoya et al., Phosphor Handbook, 1998, pp. 1-921 (entire book), CRC Press LLC, Boca Raton, Florida.

Affiliated with

Also associated with

Rating

Illuminator for photodynamic therapy does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Illuminator for photodynamic therapy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Illuminator for photodynamic therapy will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3789271