摘要 |
The present invention provides apparatus and methods for performing endos copic mucosal resection and endoscopic submucosal dissection of tissue. In a first embodiment, a hood member having a hood portion and a lever portion i s provided. The hood portion is adapted to be disposed over a distal region of an endoscope. A portion of the lever portion is configured to be inserted beneath a section of mucosal tissue having a lesion, and the lever portion is configured to be rotated or otherwise maneuvered to lift the mucosal tiss ue in an upward direction, thereby facilitating removal of the tissue compri sing the lesion. Optionally, a surgeon may advance a needle knife through th e endoscope and lever portion to further incise submucosal tissue while the lever portion is disposed beneath the lesion. If desired, a flushing fluid m ay be provided to a target site during the procedure.
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