| 摘要 |
<p>The present invention relates to an apparatus comprising a cable (130), a sheath (132) disposed around a portion of the cable (130), an inner member (178) attached to the sheath (132), an outer member (176) disposed around at least a portion of the inner member (178). The inner member (178) and the outer member (176) are formed to allow stepwise longitudinal adjustment of the inner and the outer members (176,178) and to allow rotational movement between the inner and the outer members. <IMAGE></p> |
