| 摘要 |
<p>This invention is an instrument for seizing walls of a body cavity including a first portion (22) and a second portion (30), the second portion being insertable into the cavity and being reversibly deformable from a first (fig. 5A) to a second (fig. 5B) configuration while inside the cavity, the first portion being operative to reversibly deform the second portion from the first to the second configuration, the second portion when in the second configuration being operative to seize the walls of the cavity.</p> |
