Uretero-renoscope

Details Uretero-renoscope Uretero-renoscope

1990-03-12

1991-07-16

Grieb, William H.

Surgery

Truss

Perineal

128 7, A61B 100

Patent

active

050316036

ABSTRACT:
A uretero-renoscope assembly comprises a first shaft to accommodate an optical system and an auxiliary instrument passage, this first shaft being connected at its proximal end to a housing provided with connections for a light conductor cable and for the infeed or discharge of flushing fluid or the like. The first shaft has a cross-sectional area which decreases in steps in the distal direction, and has a circular cross-section at its proximal end which merges into an oval cross-section at the distal end. A second shaft of circular cross-section can be pushed onto the first, with the first shaft in position in the ureter after withdrawal of the uretero-renoscope, forming a further stepped increase in cross-section and providing a further passage, for example for flushing fluid.

REFERENCES:
patent: 4606330 (1986-08-01), Bonnet
patent: 4685449 (1987-08-01), Bonnet
patent: 4807595 (1989-02-01), Hiltebrandt
patent: 4986258 (1991-01-01), Cho et al.

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