| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a urological resectoscope stem having a more suitable space condition, especially a radius condition. <P>SOLUTION: 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 with the grooves (10) by apertures (19) at the distal end. <P>COPYRIGHT: (C)2007,JPO&INPIT |
