US 11,864,744 B2
Dual movable blade biopsy tool with stylet
Robert M. Clements, Issaquah, WA (US); and Andrew R. Face, Issaquah, WA (US)
Assigned to CRUX MEDICAL INNOVATIONS, INC., Issaquah, WA (US)
Filed by Crux Medical Innovations, Inc., Issaquah, WA (US)
Filed on Jun. 15, 2021, as Appl. No. 17/348,269.
Application 17/348,269 is a division of application No. 15/727,362, filed on Oct. 6, 2017, granted, now 11,076,841.
Application 15/727,362 is a division of application No. 12/954,584, filed on Nov. 24, 2010, abandoned.
Claims priority of provisional application 61/264,628, filed on Nov. 25, 2009.
Prior Publication US 2021/0307734 A1, Oct. 7, 2021
Int. Cl. A61B 10/04 (2006.01); A61B 10/02 (2006.01); A61B 10/06 (2006.01); A61B 10/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 10/04 (2013.01) [A61B 10/0266 (2013.01); A61B 10/0283 (2013.01); A61B 10/06 (2013.01); A61B 2010/0093 (2013.01); A61B 2010/0225 (2013.01); A61B 2090/033 (2016.02); A61B 2090/062 (2016.02)] 19 Claims
OG exemplary drawing
 
1. A biopsy device, comprising:
a sheath equipped with a removable stylet, the sheath comprising a terminus with a distal chamber configured with a forward facing cutting edge comprising a plurality of movable blades, the plurality of movable blades including two counter rotating blades configured perpendicular or beveled relative to a long axis of the distal chamber, each counter rotating blade configured to pivot from a separate axis; and
a manipulation end controllable by a user to plunge the forward facing cutting edge at a sampling locus after removal of the removable stylet at a depth selected by the user and to engage a cutting action by the plurality of movable blades at the depth selected to acquire at least one specimen storable in the distal chamber.