| abstract |
A sheath (12,40,140,240,340) is configured for elongation from a first length to a second, longer length and a retention member (10,46,150,244,370) retains the sheath at the first length. A portion of the retention member is removed or disengaged, the sheath is released and expands in situ to the second longer length. A method for releasing the retention member is also disclosed. |