Surgery – Instruments – Electrical application
Reexamination Certificate
2005-05-17
2005-05-17
Rollins, Rosiland (Department: 3739)
Surgery
Instruments
Electrical application
C600S105000, C600S106000, C600S107000
Reexamination Certificate
active
06893441
ABSTRACT:
A urological resectoscope having an axially extending shaft tube, the proximal end thereof being fixed to a main body. A sliding body is proximally positioned in relation to the main body, and can slide in a parallel manner in relation to the axis thereof. The sliding body includes a receiver, a fixing device and a contacting device. An electrode that can be subjected to a high frequency, including a rigid electrode carrier having one external, insulated conductive wire, can be positioned in the resectoscope such that it can axially slide beyond the distal end of the shaft tube. In the assembly position, the electrode carrier extends through the shaft tube and the main body into the receiver, and can be fixed by the fixing device and contacted by the contacting device. The fixing device is proximally arranged in relation to the contacting device on the sliding body.
REFERENCES:
patent: 4726370 (1988-02-01), Karasawa et al.
patent: 4917621 (1990-04-01), Grossi et al.
patent: 4919131 (1990-04-01), Grossi et al.
patent: 39 17 583 (1990-03-01), None
patent: 39 18 316 (1990-03-01), None
patent: 2 400 351 (1979-03-01), None
WO 96/23449, Electro-Surgical Tissue Removal, Publication Date Aug. 8, 1996.
Brommersma Pieter
Nussbaum Felix
Olympus Winter & Ibe GmbH
Rankin, Hill Porter & Clark LLP
Rollins Rosiland
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