Surgery – Endoscope – With tool carried on endoscope or auxillary channel therefore
Reexamination Certificate
2005-03-01
2005-03-01
Leubecker, John P. (Department: 3739)
Surgery
Endoscope
With tool carried on endoscope or auxillary channel therefore
C606S046000
Reexamination Certificate
active
06860848
ABSTRACT:
A urological resectoscope includes a main casing and an optic guide plate mounted proximally to and a fixed distance from the main casing. A slider is displaceably guided between the main casing and the optic guide plate. A drive rod is detachably affixed to the slider at a first distance from an optic tube longitudinally passing through the resectoscope and in a first angular position to the grip, said rod running from the slider, parallel to the optic tube, through the main casing and then in a second angular position relative to the optic tube and at a second, minute distance from it, and the optic tube together with matched, tightly enclosing stem tube of matched cross-section running as far as said stem tube's distal end zone, the drive rod supporting a surgical implement, characterized in that a free space corresponding at least to the excursion of the drive rod is provided in the main casing and is fitted in the region of the free space with a deviation site where it is pivoted out of the first angular position and first distance from said optic tube into the second angular position and the second distance.
REFERENCES:
patent: 4648399 (1987-03-01), Nakada
patent: 5088998 (1992-02-01), Sakashita et al.
patent: 5287845 (1994-02-01), Faul et al.
Dickopp Jorg
Wosnitza Thomas
Leubecker John P.
Olympus Winter & Ibe GmbH
Rankin, Hill Porter & Clark LLP
Vrettakos Pete
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