Conformal patch for administering light therapy to subcutaneous tumors
US6096066A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1998 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Sep 11, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0652
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A flexible patch provided with a plurality of light sources mounted in spaced-apart array on its undersurface and covered with an optically transparent polymer material. The light sources are energized with an electrical current supplied by a flexible polymer battery, which is preferably rechargeable. Electrical current is conveyed through a lead that extends from the flexible battery to the flexible patch and then through an electrical circuit that includes a plurality of conductive traces formed using a conductive ink applied to the surface of a flexible substrate that supports the light sources. The thickness of the flexible patch at its maximum is less than 1.0 millimeters. The light sources can be separately grouped, and the electrical current supplied to each group individually controlled to achieve a desired light intensity and/or duration exposure to the light therapy over different portions of the undersurface of the flexible patch and different portions of the treatment site. An adhesive applied to the treatment site on the patient's body or on the undersurface of the flexible patch is used to mount the flexible patch to the treatment site. A plurality of slots that exten…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.