And we have a flexible, powered catheter with a special wire loop tip that stays inside the crunchy part of the marrow and follows the contours of the hip, as it moves around.

• 这种弹性的，有动力的中空管子并带有特殊金属环状顶端，它能够进入骨髓海绵状的部分，并沿着臀部的轮廓而移动采集。