Flexible and adjustable grid for medical therapy

Details Flexible and adjustable grid for medical therapy Flexible and adjustable grid for medical therapy

1997-01-29

1999-12-07

Dvorak, Linda C. M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Light application

607 92, 607115, 607116, A61N 500

Patent

active

059975695

ABSTRACT:
Flexible probes are arranged to achieve a desired light distribution pattern for administering light therapy at a treatment site in a patient's body. The flexible probes (20, 20', 92) each include a flexible substrate on which are mounted light emitting devices (30) in spaced-apart array. An optically transparent, biocompatible envelope (36) encloses the flexible substrate and components mounted thereon. In one embodiment, a link (44) couples a pair of the flexible probes together in parallel alignment for insertion at the treatment site. Thereafter, the probes are moved relative to each other within the link to achieve the desired light distribution pattern. In another embodiment, the flexible probes include flexible leaders (70, 72) attached to their distal ends, which terminate in suture tabs (74) that can be affixed to tissue adjacent the treatment site. The flexible probes are inserted into the treatment site generally aligned in a compact bundle and then are arrayed in a grid and spaced apart using links (82) to secure them at points where the flexible probes cross each other transversely. A further embodiment includes a strip (90) having a longitudinal slot (96), that opens into a channel (98) for receiving balls (94) formed on the distal ends of the flexible probes. The strip maintains the flexible probes in a spaced-apart array. Finally, another embodiment includes a flexible sheet (100) on which the flexible probes are mounted using sutures (108) or staples (102) after the sheet and flexible probes have been introduced to the treatment site.

REFERENCES:
patent: 4761047 (1988-08-01), Mori
patent: 5358503 (1994-10-01), Bertwell et al.
patent: 5445608 (1995-08-01), Chen et al.
patent: 5531741 (1996-07-01), Barbacci
patent: 5800478 (1998-09-01), Chen et al.

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