| 摘要 |
A device for obtaining multiple biopsy samples (18) from body cavity is provided, comprising: a flexible hollow tube (12) having a sample port (14); a moveable helical cutting element (16) extending within the tube (12), wherein the cutting element (16) is capable of severing, entrapping and carrying forward multiple biopsy samples (18); a means for maneuvering the cutting element (16) along the tube (12); a removable seal (22) secured to the distal end of the tube (12); and a vacuum port (24) configured to be connected to a vacuum source (32).
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