US 12,127,758 B2
Surgical tool systems, and methods of use thereof
Conrad Smith, Hollister, CA (US); Brian Fouts, Morgan Hill, CA (US); Sunny Jay, Park Gate (IE); and Bryan Deeny, Ballincollig (IE)
Assigned to Stryker Corporation, Portage, MI (US)
Filed by Stryker Corporation, Kalamazoo, MI (US)
Filed on Mar. 29, 2021, as Appl. No. 17/215,275.
Application 17/215,275 is a continuation of application No. 16/052,988, filed on Aug. 2, 2018, granted, now 11,000,305.
Claims priority of provisional application 62/540,303, filed on Aug. 2, 2017.
Prior Publication US 2021/0212713 A1, Jul. 15, 2021
Int. Cl. A61B 17/32 (2006.01); A61B 1/04 (2006.01); A61B 17/00 (2006.01); A61B 17/16 (2006.01); A61B 17/3207 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/32002 (2013.01) [A61B 1/044 (2022.02); A61B 17/1659 (2013.01); A61B 90/39 (2016.02); A61B 1/04 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00477 (2013.01); A61B 17/1671 (2013.01); A61B 2017/320004 (2013.01); A61B 2017/320028 (2013.01); A61B 2017/32004 (2013.01); A61B 17/3207 (2013.01); A61B 17/320783 (2013.01); A61B 2090/3941 (2016.02); A61B 2217/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surgical accessory comprising:
a cutting element shaft aligned along an axis, the cutting element shaft having a hollow interior passage therein; and
a cutting head extending from a distal end of the cutting element shaft along the axis, the cutting head having first, second, third and fourth tissue-treating areas separate from one another and circumferentially disposed on the cutting head,
wherein the first and second tissue-treating areas are configured to cut tissue having a first hardness and include respective first and second windows both in fluid communication with the hollow interior passage, at least part of each window defined by an edge on a circumferential outer surface of the cutting head, the edge being at a first radius from the axis of the cutting head, and
wherein the third and fourth tissue-treating areas are circumferentially separated by the first and second tissue-treating areas, the third and fourth tissue-treating areas being configured to cut tissue having a second hardness greater than the first hardness, each of the third and fourth tissue-treating areas having a fluted region including a plurality of flutes recessed relative to cutting edges on the circumferential outer surface of the cutting head, the cutting edges being at the first radius from the axis of the cutting head.