In view of the problems occurred during underground application of Mattill self-advancing tail device, some structures of it is improved in order to satisfy the requirements for underground operation.
针对马蒂尔自移机尾装置在井下使用中出现的一些问题,对其局部结构进行了改造,以适应井下作业的需要。
2
A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device.