US 12,408,945 B2
Insertion devices
Jessica Marie Grabinsky, Melrose, MA (US); Jeffrey Louis Barnes, Andover, MA (US); Carolyn Marie Krasniak, Andover, MA (US); Timothy Matthew Murray, Tiverton, RI (US); Kevin Michael Falco, Andover, MA (US); and Francheska Torres, Charlton, MA (US)
Assigned to Smith & Nephew, Inc., Memphis, TN (US); Smith & Nephew Orthopaedics AG, Zug (CH); and Smith & Nephew Asia Pacific Pte. Limited, Singapore (SG)
Filed by Smith & Nephew, Inc., Memphis, TN (US); Smith & Nephew Orthopaedics AG, Zug (CH); and Smith & Nephew Asia Pacific Pte. Limited, Singapore (SG)
Filed on Aug. 17, 2022, as Appl. No. 17/889,844.
Application 17/889,844 is a continuation of application No. PCT/US2021/018221, filed on Feb. 16, 2021.
Claims priority of provisional application 63/020,309, filed on May 5, 2020.
Claims priority of provisional application 62/991,968, filed on Mar. 19, 2020.
Claims priority of provisional application 62/991,928, filed on Mar. 19, 2020.
Claims priority of provisional application 62/977,879, filed on Feb. 18, 2020.
Prior Publication US 2023/0000521 A1, Jan. 5, 2023
Int. Cl. A61B 17/34 (2006.01)
CPC A61B 17/3423 (2013.01) [A61B 2017/3484 (2013.01)] 6 Claims
OG exemplary drawing
 
5. A cannula for passing surgical instruments through tissue, comprising:
an elongated body having a distal end, a proximal end, and a lumen extending along a longitudinal axis therebetween, wherein the elongated body is cylindrical and includes a plurality of circumferential ribs disposed on an outer surface of the elongated body;
a flange extending radially outward from the distal end;
a valve disposed within the lumen of the elongated body adjacent the proximal end;
a cap configured to be disposed over the proximal end of the elongated body, the cap configured to secure the valve to the elongated body; and
a nut extending around a circumference of the elongated body and axially slidable along the elongate body, the nut configured to selectively engage the circumferential ribs to retain a position thereof;
wherein the cap is more flexible than the elongated body and the valve.