| 摘要 |
<p>A urinary catheter (10) includes a cannula having a urine passage, a urine inlet (16) and a urine outlet (18) and a valve (22) positioned in said urine passage (52) between said inlet and said outlet and having a valve passage having at least a portion which is movably positioned between a substantially blocked position and a flow position, and structure for moving said portion, said structure for moving being biased toward a blocking position wherein said portion is in said substantially blocked position and flow through said valve means is substantially blocked, and said structure for moving being movable to a position at least partially moving said portion toward said flow position wherein flow through said valve means is allowed.</p> |
