US 11,950,787 B2
Retro-cutting instrument with adjustable limit setting
José E. Lizardi, Walpole, MA (US); Kevin J. Zylka, Taunton, MA (US); Scott Presbrey, Slatersville, RI (US); Michael S. Varieur, Portsmouth, RI (US); Dean C. Taylor, Durham, NC (US); and Brian D. Busconi, Hopkinton, MA (US)
Assigned to Medos International Sarl, Le Locle (CH)
Filed by Medos International Sàrl, Le Locle (CH)
Filed on Feb. 7, 2020, as Appl. No. 16/784,929.
Application 16/784,929 is a continuation of application No. 16/442,714, filed on Jun. 17, 2019, granted, now 11,284,907.
Application 16/442,714 is a continuation of application No. 15/705,405, filed on Sep. 15, 2017, granted, now 10,335,168, issued on Jul. 2, 2019.
Application 15/705,405 is a continuation of application No. 14/300,481, filed on Jun. 10, 2014, granted, now 9,795,395, issued on Oct. 24, 2017.
Prior Publication US 2020/0197025 A1, Jun. 25, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/16 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/1617 (2013.01) [A61B 17/1622 (2013.01); A61B 17/1675 (2013.01); A61B 2090/031 (2016.02)] 16 Claims
OG exemplary drawing
 
1. A cutting instrument, comprising:
an elongate body having a proximal portion, a distal portion, and a cavity formed in the distal portion;
a drilling tip located at the distal portion of the elongate body, the drilling tip being disposed distal of the cavity when in a position to perform forward cutting; and
a cutting blade selectively deployable from the cavity formed in the elongate body, the cutting blade being pivotally mounted within the cavity at a first location and deployable to any of a plurality of diameters, with the first location remaining disposed within the cavity at each of the plurality of diameters, the cutting blade being in a fully-deployed position at each of the plurality of diameters, with the cutting blade being configured to cut an opening of a predetermined diameter at each of the plurality of fully-deployed positions.