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US 2007/0191676 A1Published application
Urological resectoscope stem
AssigneeOlympus Winter & Ibe GmbH
InventorPieter Brommersma
Life of this patent
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Abstract
A urological resectoscope stem (1) including an insulating muff (11) constituting the end zone of the stem (1), further including an outer tube (2, 9), an inner tube (3) and a cross-sectionally annular distally closed return flow duct (4) which is subtended at least over the larger part of its length between the outer tube (2, 9) and the inner tube (3), where the stem (1) is fitted with outwardly open, distally extending grooves (10), wherein the annular return flow duct (4) communicates directly by apertures (19) with the grooves (10).
Claims8
A urological resectoscope stem (1) comprising:
- an insulating muff (11) constituting the distal end zone of said stem (1),
- an outer tube (2, 9),
- an inner tube (3), and
- a cross-sectionally annular distally closed return flow duct (4) which is subtended at least over the larger part of its length between the outer tube (2, 9) and the inner tube (3), where the stem (1) is fitted with outwardly open, distally extending grooves (10), wherein the annular return flow duct (4) communicates directly by apertures (19) with the grooves (10).
1 more element
Dependencies are inferred from the claim text.