US 12,453,575 B2
Tissue extraction devices and related methods
James Bleck, North Andover, MA (US); John Aho, North Andover, MA (US); Thomas Eagan, North Andover, MA (US); Jonathan Towle, North Andover, MA (US); and Mark Hoffman, North Andover, MA (US)
Assigned to Freyja Healthcare, LLC, Boston, MA (US)
Filed by Freyja Healthcare, LLC, North Andover, MA (US)
Filed on Mar. 8, 2024, as Appl. No. 18/599,826.
Application 18/599,826 is a continuation of application No. 17/710,957, filed on Mar. 31, 2022, granted, now 11,925,381.
Application 17/710,957 is a continuation of application No. 17/225,219, filed on Apr. 8, 2021, granted, now 11,331,117, issued on May 17, 2022.
Application 17/225,219 is a continuation of application No. PCT/US2021/021444, filed on Mar. 9, 2021.
Claims priority of provisional application 63/138,441, filed on Jan. 16, 2021.
Claims priority of provisional application 62/987,345, filed on Mar. 9, 2020.
Prior Publication US 2024/0285304 A1, Aug. 29, 2024
Int. Cl. A61B 17/3205 (2006.01); A61B 17/02 (2006.01); A61B 17/32 (2006.01)
CPC A61B 17/3205 (2013.01) [A61B 17/0218 (2013.01); A61B 17/0293 (2013.01); A61B 2017/320052 (2013.01); A61B 2017/320064 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A tissue extraction device, comprising:
a bag made from a layer of material having an open proximal end and a closed distal end, the bag defining an interior bounded by an inner surface;
a plurality of cutters extending through the interior of the bag along an inner surface of the bag, wherein each said at least one cutter includes a first respective strand and a second respective strand coupled to at least one blade, wherein the at least one blade includes at least one cutting edge to cut tissue as the at least one cutter is drawn across tissue, and further wherein the first respective strand of a first cutter of the plurality of cutters extends outwardly from the open proximal end of the bag a longer distance than a first respective strand of a second cutter of the plurality of cutters, the second cutter of the plurality of cutters being located adjacent and alongside the first cutter of the plurality of cutters.