Surgery – Truss – Pad
Patent
1991-01-09
1992-08-25
Brown, Theatrice
Surgery
Truss
Pad
128397, 606 2, 606 11, A61N 506
Patent
active
051409844
ABSTRACT:
The method and apparatus of the invention use a beam of laser emitted optical energy to effect wound closure and reconstruction of biological tissue. In response to input as to tissue type and thickness, a computer determines the output power, exposure time and spot diameter of the emitted beam to control the application of optical energy to produce thermal heating of biological tissue to a degree suitable for denaturing the tissue proteins such that the collagenous elements of the tissue form a "biological glue" to seal immediately and/or to reconstruct the tissue being heated. In a given embodiment, the computer directly controls output power of the laser by regulating the laser's input current, and limits exposure time by deactivating a shutter mechansim when the determined time is reached. Beam diameter is manually set in response to a displayed value for a sliding scale that controls the working distance between the end of a fiber optic beam guide and the tissue site.
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Dew Douglas K.
Halpern Steven J.
Hsu Long S.
Brown Theatrice
Harrison Jessica J.
Proclosure Inc.
Stewart Steven C.
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