| 摘要 |
<p>A Huber needle comprises a hollow needle (element A) connected to an articulated structure (element B) having four walls (a-b, b-c, c-d, d-e) and four hinge means (a, b, c, d) wherein a portion of said needle comes out from said articulated structure when the walls a-b and d-e approach the walls b-c and c-d respectively and returns completely into said articulated structure when the walls a-b and b-c approach the walls d-a and c-d respectively.</p> |
