| 摘要 |
<p>A user-actuatable guidewire stop is disclosed which can be used to stop and/or lock a medical device on a guidewire advanced through a body lumen. The guidewire stop is configured as a coil spring having an inner lumen configured to slideably and rotationally receive the guidewire in an unlocked configuration, and to frictionally engage the guidewire in a locked configuration. The coil spring is composed of turns having at least one protrusion disposed on a turn of the coil spring and adapted for engagement with a corresponding recess disposed on an adjacent turn of the coil spring, wherein the at least one protrusion interlocks with the corresponding recess to maintain the coil spring in the unlocked configuration. The coil spring transitions into the unlocked configuration by disengaging the at least one protrusion from the corresponding recess.</p> |
