| 摘要 |
<p>A positioning device comprising a first flexible member (102) and a second flexible member (103) which can be engaged to form a rigid member (104), wherein said first flexible member (102) comprises a chain (105, 106) provided with a plurality of compression members (107), and said second flexible member (103) comprises a locking chain which, when said first flexible member (102) and said second flexible member (103) are brought together inhibits separation of said compression members (107), characterised in that said compression members (107) are planar.</p> |
