Surgery – Endoscope – Having imaging and illumination means
Reexamination Certificate
2005-08-30
2005-08-30
Leubecker, John P. (Department: 3739)
Surgery
Endoscope
Having imaging and illumination means
C600S129000, C600S478000, C385S115000
Reexamination Certificate
active
06936004
ABSTRACT:
A probe, which includes a plurality of first optical fibers and a plurality of second optical fibers that are tied as a composite bundle at a distal end side with forming a center channel through which a treatment instrument can be drawn. The first optical fibers are tied as a first branch bundle at a proximal end side and the second optical fibers are tied as a second branch bundle that is separated form the first branch bundle at the proximal end side. With this construction, a treatment instrument is available even if the probe is drawn through a forceps channel of an endoscope because the treatment instrument can be drawn through the center channel formed in the composite bundle.
REFERENCES:
patent: 4648892 (1987-03-01), Kittrell et al.
patent: 4669467 (1987-06-01), Willett et al.
patent: 4718417 (1988-01-01), Kittrell et al.
patent: 2589674 (1986-11-01), None
Greenblum & Bernstein P.L.C.
Leubecker John P.
PENTAX Corporation
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