The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2015
Filed:
Jan. 24, 2012
Bastiaan Kruijt, Schiedam, NL;
Eric M Van Der Snoek, Rotterdam, NL;
Henricus J. C. M. Sterenborg, Capelle aan den Ijssel, NL;
Arjen Amelink, Gouda, NL;
Dominic J. Robinson, Rotterdam, NL;
Wolfgang Neuberger, Dubai, AE;
Bastiaan Kruijt, Schiedam, NL;
Eric M van der Snoek, Rotterdam, NL;
Henricus J. C. M. Sterenborg, Capelle aan den Ijssel, NL;
Arjen Amelink, Gouda, NL;
Dominic J. Robinson, Rotterdam, NL;
Wolfgang Neuberger, Dubai, AE;
Biolitec Pharma Marketing Ltd, Labuan, MA;
Abstract
Dynamic colorectal PDT methods, devices and photosensitizer compositions to treat abnormal cell growth in anal tissue such as perianal and intra-anal intraepithelial neoplasia grade III are presented. Dynamic colorectal PDT method comprises the steps of administering topically, intravenously or orally a photosensitizer composition; irradiating; monitoring treatment parameters before, during and/or after irradiation. Photosensitizer composition comprises Temoporfin and excipients/carriers, appropriate for the application method. An applicator is provided for colorectal PDT treatments enhancing irradiation delivery and monitoring treatment parameters. Preferably, applicator is made of a material, used to monitor the fluence rate simultaneously while doing optical spectroscopy. Measurement probe devices are provided for monitoring PDT treatment parameters in-vivo. A device for colorectal PDT treatment is also provided, comprising laser radiation source operating at about 400 and 800 nm; excitation laser radiation source operating at about 650 nm for fluorescence measurements; multichannel dosimetry device; long pass filter; waveguides and measurement probes.