US 11,944,347 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 Apr. 5, 2021, as Appl. No. 17/222,977.
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 2021/0315608 A1, Oct. 14, 2021
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)] 20 Claims
OG exemplary drawing
 
1. A trocar assembly comprising:
a cannula comprising a first window through a sidewall of the cannula;
a seal cartridge configured to releasably couple to the cannula and to be disposed at least partially within the cannula in a coupled configuration of the seal cartridge, the seal cartridge comprising a release button accessible through the first window in the coupled configuration of the seal cartridge; and
an obturator configured to directly latch to the cannula through the first window and to extend through the cannula and the seal cartridge in a coupled configuration of the obturator.