| 摘要 |
A device for use in a process that involves accessing a bodily space includes a flexible tube having a proximal end, a distal end, and a channel extending between the proximal and distal ends of the flexible tube, and a tissue engagement device coupled to the distal end of the flexible tube, wherein the tissue engagement device comprises a body with threads and a port located on the body, the port being in fluid communication with the channel of the flexible tube. |
