PENETRATING INSTRUMENT HAVING AN EXPANDABLE ANCHORING PORTION FOR TRIGGERING PROTRUSION OF A SAFETY MEMBER AND/OR RETRACTION OF A PENETRATING MEMBER
摘要
<p>A penetrating instrument (20) for penetrating the wall of an anatomical cavity includes a retractable penetrating member (86), a distally biased safety member, and an expandable portion (42).</p>
