US 12,232,767 B2
Cannula assembly
Joseph Mozloom, Jr., Cincinnati, OH (US); Christopher Brock Stone, San Francisco, CA (US); Andrew S. Berkowitz, Redwood City, CA (US); Steven G. Hall, Montgomery, OH (US); Jeffrey P. Wiley, Milford, OH (US); Richard Patrick Chesnes, Cincinnati, OH (US); Jeffery T. Kirk, Liberty Township, OH (US); and Aren Calder Hill, Mountain View, CA (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Jun. 20, 2023, as Appl. No. 18/337,688.
Application 18/337,688 is a division of application No. 17/222,977, filed on Apr. 5, 2021, granted, now 11,944,347, issued on Apr. 2, 2024.
Claims priority of provisional application 63/008,652, filed on Apr. 10, 2020.
Claims priority of provisional application 63/086,013, filed on Sep. 30, 2020.
Prior Publication US 2023/0329752 A1, Oct. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/34 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/3423 (2013.01) [A61B 17/3474 (2013.01); A61B 2017/00367 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of operating a surgical device, the method comprising:
disengaging an obturator from a latching window defined in a funnel portion of a cannula;
removing a shaft portion of the obturator from a cannula lumen of the cannula;
disengaging a seal cartridge from the funnel portion of the cannula by actuating a release button of the seal cartridge through the latching window; and
removing the seal cartridge from the funnel portion after the removing of the shaft portion of the obturator from the cannula lumen,
wherein the obturator comprises a release button that circumferentially aligns with the release button of the seal cartridge.