US 12,433,611 B2
Surgical instrument and method
Darren Davis, Arlington, TN (US); Richard Hynes, Melbourne Beach, FL (US); Eric Lange, Collierville, TN (US); Anthony Melkent, Germantown, TN (US); and Paul F. Wheeler, Hernando, MS (US)
Assigned to WARSAW ORTHOPEDIC, INC., Warsaw, IN (US)
Filed by WARSAW ORTHOPEDIC INC., Warsaw, IN (US)
Filed on May 5, 2023, as Appl. No. 18/312,780.
Application 16/038,742 is a division of application No. 14/640,189, filed on Mar. 6, 2015, granted, now 10,080,571, issued on Sep. 25, 2018.
Application 18/312,780 is a continuation of application No. 16/853,564, filed on Apr. 20, 2020, granted, now 11,653,934.
Application 16/853,564 is a continuation of application No. 16/038,742, filed on Jul. 18, 2018, granted, now 10,667,827, issued on Jun. 2, 2020.
Prior Publication US 2023/0270450 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/16 (2006.01); A61B 17/32 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/1671 (2013.01) [A61B 17/1659 (2013.01); A61B 17/32002 (2013.01); A61B 2017/00261 (2013.01); A61B 17/1644 (2013.01); A61B 2017/320032 (2013.01); A61B 2217/005 (2013.01); A61B 2217/007 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surgical instrument comprising:
a housing defining an axis and including an inner surface, the inner surface defining a channel, the housing including a wall having a surface, the surface defining a plurality of openings and spaced apart sections, the sections extending linearly to form cutting blades that each extend parallel along the axis; and
an auger comprising:
a shaft disposed in the channel, the shaft including a passageway configured for disposal of cut tissue, and
a cutter including a plurality of spaced cutting flutes, the cutter being disposed within the surface such that the cutter is rotatable relative to the shaft to transfer the cut tissue along the axis.