Patent ID: 6755826
Filing Date: 2004-06-29
Classification: A61B

Abstract:
A urological resectoscope comprising an outer stem (5, 5â€²) and an inner stem (3, 3â€²), said inner and outer stems having a proximal terminal zone and a distal terminal zone, said outer stem distal terminal zone fitted with orifices (8), wherein said inner and outer stems are tubular and metallic and are sealed from each other at said distal terminal zones and are mutually affixed to one another in a detachable manner at said proximal terminal zones, said outer and inner stems are mounted on a main case (1), said resectoscope further comprising an electrode support (10) traversing said inner stem and mounted in a longitudinally displaceable manner within said inner stem, said electrode support supporting an hf loaded cutting loop (11), and further comprising liquid hookups (7) to feed liquid into the inner stem and to drain liquid from an annular space between the inner and outer stems, and a distally affixed, tubular insulating shell (13, 13â€²), wherein the insulating shell (13â€²) is rotatably affixed to the outer stem (5â€²) and is linked (17, 18) with the inner stem (3â€²) so as to jointly rotate with said inner stem.