US 11,812,973 B2
Sheathed surgical saw blade with bearings
John Sieh, Safety Harbor, FL (US); and David Gonzalez, Apollo Beach, FL (US)
Assigned to Conmed Corporation, Utica, NY (US)
Appl. No. 16/977,345
Filed by Conmed Corporation, Utica, NY (US)
PCT Filed Mar. 5, 2019, PCT No. PCT/US2019/020677
§ 371(c)(1), (2) Date Sep. 1, 2020,
PCT Pub. No. WO2019/173285, PCT Pub. Date Sep. 12, 2019.
Claims priority of provisional application 62/724,914, filed on Aug. 30, 2018.
Claims priority of provisional application 62/639,040, filed on Mar. 6, 2018.
Prior Publication US 2021/0100561 A1, Apr. 8, 2021
Int. Cl. A61B 17/14 (2006.01); A61B 17/56 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/142 (2016.11) [A61B 17/56 (2013.01); A61B 2017/0084 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A sheathed blade assembly, comprising:
an exterior sheath having a top portion and a bottom portion with an inner lumen therebetween;
an interior blade movable within the inner lumen of the exterior sheath;
a ball bearing within the inner lumen of the exterior sheath;
wherein the ball bearing creates a clearance amount between the interior blade and at least one of the top portion and the bottom portion of the exterior sheath.