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US 11,076,875 B2Granted
Tissue extraction devices and related methods
AssigneeThe Brigham and Women's Hospital, Inc.
InventorsFrank Bonadio, Jon I. Einarsson, Jordan Smith, Alexander Isakov, Debasish Pradhan, Athar Anwar Solkar, Mangesh Ratnakar Patankar, Nikhil Katre, Tejas Chavan
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Abstract
In accordance with an aspect of the present disclosure, a tissue extraction device may include a bag having an interior and a plurality of cutting elements extending through the interior of the bag. The cutting elements can have a common end.
Claims15
A tissue extraction device, comprising:
- an inner bag having an interior;
- an outer bag disposed about the inner bag;
- a plurality of elongate cutters extending through the interior of the inner bag along an inner surface of the inner bag, wherein each of the plurality of elongate cutters includes a strand and at least one cutting element on the strand, wherein the at least one cutting element includes a cutting edge to cut tissue as the cutter is drawn across tissue, wherein each of the plurality of elongate cutters is configured to be used individually from the other cutters to cut through a tissue specimen disposed in the inner bag using a reciprocating sawing motion;
- and
- a rolling retractor ring, wherein a proximal portion of the inner bag is configured to be rolled around the rolling retractor ring to pull the inner bag away from the outer bag and to pull the tissue specimen against the inner surface of the inner bag adjacent the plurality of cutters to facilitate engagement between each cutter of the plurality of cutters and the tissue specimen.
2 more elements
Dependencies are inferred from the claim text.