| 摘要 |
<p>Spine stabilizing device comprises a lower part (A) with a round recess. Preferred Features: The lower part has two or more components and a round recess. The device has an upper part (B) and a ball-like element (C) on the lower side which slides in the recess of the lower part to form a slanted position of a seating surface which is able to rotate horizontally.</p> |
