1·The present invention is directed to a stylet device to allow easy advancement of a tube through complex passages of body cavities.
本发明涉及一种便于管子前进穿过体腔的复杂通道的管心针装置。
2·T2-weighted MRI further revealed the fetal body with all brain cavities outlined by segmentation.
核磁共振造影进一步显示胎儿的躯体，同时分层处理胎儿脑部图象。