Connecticut Patent of the Month – July 2023
Lumeda Inc., a clinical-stage medical technology company, has patented their optical light delivery technology. This device is designed to enhance therapy light transmission and produce a uniform irradiance pattern for photodynamic therapy (PDT) procedures in lung cancer treatment.
The optical light delivery device is designed with a series of source emitting devices which deliver therapy light with precision scattering and distribution. To ensure optimal light scattering and distribution, the device utilizes a flexible matrix made of a material with a high scattering coefficient (greater than 5 cm^-1). This matrix encapsulates and spatially fixes the source emitting devices, ensuring their parallel alignment.
To detect the light emitted by the source emitting devices, the optical light delivery device includes detector fibers, which are also encapsulated and spatially fixed within the flexible matrix. The detector fiber is positioned in close proximity to the source emitting devices and is coupled to a detector. This configuration enables accurate and efficient light detection.
In addition to the source emitting devices and detector fibers, the system includes an integrated optical applicator. This applicator incorporates the flexible matrix, providing superior light scattering properties. The source emitting devices within the applicator are spatially fixed at a predetermined standoff position from the application side. This arrangement ensures precise and controlled light delivery to the target area.
The integrated optical applicator aims to achieve a highly uniform irradiance pattern, which is crucial for effective therapy. It also offers the flexibility to produce a predetermined fluence at the application side, allowing customization according to specific treatment requirements.
By combining the system with a therapy light source and a photosensitizing drug, medical professionals can perform PDT procedures with enhanced precision and effectiveness. The system is engineered and designed based on novel PDT light delivery technology, allowing for a fully automated system which makes PDT procedures faster, easier to administer, and leads to repeatable and reliable therapeutic results.
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