US 12,262,912 B2
Trocar device and method
Edwin Ryan, St. Paul, MN (US)
Assigned to Edwin Ryan, St. Paul, MN (US)
Filed by Edwin Ryan, St. Paul, MN (US)
Filed on Jan. 12, 2021, as Appl. No. 17/147,250.
Application 17/147,250 is a continuation of application No. 16/092,719, granted, now 10,912,582, previously published as PCT/US2017/027202, filed on Apr. 12, 2017.
Claims priority of provisional application 62/321,571, filed on Apr. 12, 2016.
Prior Publication US 2021/0169519 A1, Jun. 10, 2021
Int. Cl. A61B 17/34 (2006.01); A61F 9/007 (2006.01)
CPC A61B 17/3421 (2013.01) [A61B 17/3417 (2013.01); A61F 9/00736 (2013.01); A61B 2017/3454 (2013.01); A61B 2017/346 (2013.01); A61B 17/3462 (2013.01); A61B 17/3496 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A trocar assembly, comprising:
a cannula;
an obturator adapted to place the cannula; and
a one piece flexible blade at a tip of the obturator, the flexible blade having a width that is larger than an inner diameter of the cannula, wherein the flexible blade includes one or more cutouts completely contained within a perimeter of the blade to enhance flexing, the one or more cutouts including an uninterrupted cutout perimeter;
wherein the flexible blade is substantially flat in a non-deformed state.