Appeal No. 96-2043
Application 07/990,514
rejection of claims 1 through 9, which are all of the claims
pending in this application.
We REVERSE.
BACKGROUND
The appellant's invention relates to a laser angioplasty
system comprising, inter alia, a plurality of fiber-optic
waveguides made of synthetic silica and a pulsed XeCl Excimer
laser wherein the pulse duration is in the range of 100-3000
nsec. Appellant's specification teaches that fiber-optic
waveguides are more easily damaged by high power density than
by high energy density. Appellant's system seeks to reduce
the peak power density at the input ends of the fiber-optic
waveguides while maintaining a high energy level to produce
efficient ablation of tissue by lengthening the pulse duration
(specification, pages 17 and 18). An understanding of the
invention can be derived from a reading of exemplary claim 1
which appears in the appendix to appellant's brief.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Kaufman et al. (Kaufman) 3,327,712 Jun.
27, 1967
Guerder et al. (Guerder) 4,221,825 Sep.
2
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