US 12,478,357 B2
Full core biopsy device
Steven E. Field, Grand Rapids, MI (US); and Chad J. Bacon, Coopersville, MI (US)
Assigned to RLS Interventional, Inc., Grand Rapids, MI (US)
Filed by RLS INTERVENTIONAL, INC., Grand Rapids, MI (US)
Filed on Sep. 26, 2022, as Appl. No. 17/952,553.
Application 17/952,553 is a continuation of application No. 16/263,990, filed on Jan. 31, 2019, granted, now 11,510,661.
Claims priority of provisional application 62/630,960, filed on Feb. 15, 2018.
Prior Publication US 2023/0032981 A1, Feb. 2, 2023
Int. Cl. A61B 10/02 (2006.01); A61B 17/3205 (2006.01); A61B 17/34 (2006.01)
CPC A61B 10/0275 (2013.01) [A61B 10/0266 (2013.01); A61B 17/32053 (2013.01); A61B 2010/0208 (2013.01); A61B 17/3421 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a biopsy device to take a specimen core from a tissue mass the method comprising:
advancing, without rotation, a spoon cannula beyond a tip of a stylet and into the tissue mass to partially sever a portion of the tissue mass within a spoon of the spoon cannula to form a partial core specimen;
advancing a coring cannula over the spoon cannula to sever a portion of the tissue mass above the spoon to form a full core specimen; and
advancing, without rotation, an excising finger carried by the coring cannula through a window in the spoon cannula to sever a distal end of the full core specimen from the tissue mass to form a complete specimen core.