| 摘要 |
<p>An endoscoptic stone extraction device incldues a handle that supports a sheath, and afilament such as a wire slidably disposed in the sheath. One end of the wire is mounted to the handle for rotation with respect to the handle and the other end of the handle supports a stone extracton basket. A manipulator is provided onteh wire to allow a user to rotate the filament and therefore the basket with respect to the handle. The basket can have a side-facing opening or a rear-facing opening. In either case, a stone smaller than two millimeters in diameter. A collapsible rake is disclosed which facilitates the collection and extraction of stone fragments.</p> |
