CPC A61B 17/1114 (2013.01) [A61B 1/018 (2013.01); A61F 2/04 (2013.01); A61L 27/3633 (2013.01); A61B 17/06166 (2013.01); A61B 17/083 (2013.01); A61B 2017/0034 (2013.01); A61B 2017/00269 (2013.01); A61B 2017/00579 (2013.01); A61B 2017/00592 (2013.01); A61B 2017/00623 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/00951 (2013.01); A61B 2017/1132 (2013.01); A61B 2018/00494 (2013.01); A61B 2018/00595 (2013.01); A61F 2002/045 (2013.01)] | 9 Claims |
1. A system for tissue resection in a body lumen of a patient, the system comprising:
an endoscope;
a backstop delivery device extendable through the endoscope and positionable in the body lumen at a location of selected tissue for resection;
a backstop including a covering deployable by the backstop delivery device; and
a tissue resecting device extendable through the endoscope for resecting the selected tissue for resection;
wherein the covering:
is deployable to an outer surface of the body lumen;
has one or more anchoring mechanisms disposed on an edge thereof and securable to the outer surface of the body lumen;
is-expandable to cover the selected tissue for resection; and
is configured, when expanded and secured to the body lumen, to define a space between the covering and the outer surface of the body lumen to provide clearance between the covering and the outer surface of the body lumen during tissue resection.
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