US 11,730,529 B2
Powered modular head locker
Brian A. Butler, Atoka, TN (US); Aubrey R. Mills, Memphis, TN (US); Christel Italiaie, Memphis, TN (US); Bret M. Wilfong, Hernando, MS (US); and Madeline G. Wilson, Memphis, TN (US)
Assigned to WARSAW ORTHOPEDIC, INC., Warsaw, IN (US)
Filed by Warsaw Orthopedic, Inc., Warsaw, IN (US)
Filed on Mar. 26, 2020, as Appl. No. 16/830,377.
Prior Publication US 2021/0298810 A1, Sep. 30, 2021
Int. Cl. A61B 17/88 (2006.01); A61B 17/70 (2006.01); A61B 17/56 (2006.01); B25D 11/00 (2006.01); B25D 11/10 (2006.01)
CPC A61B 17/8875 (2013.01) [A61B 17/7082 (2013.01); A61B 17/8886 (2013.01); A61B 2017/564 (2013.01); B25D 11/005 (2013.01); B25D 11/102 (2013.01); B25D 11/106 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for operating a surgical instrument, comprising:
receiving at least a portion of an external object in a recess of a hollow shank;
causing at least one flexible tab portion of an inner shank part of the hollow shank to bend out and away from the inner shank part as the external object is being received in the recess;
rotating a first shaft disposed within the hollow shank;
using rotation of the first shaft to cause translational movement of a second shaft along a central axis of the surgical instrument in a first direction towards the recess;
applying a pushing force on the external object using the second shaft that is experiencing the translational movement; and
causing translational movement of the second shaft in a second direction opposed from the first direction after the pushing force has been applied to the external object.