US 12,064,142 B2
Systems, devices, and methods for preventing or reducing loss of insufflation during a laparoscopic surgical procedure
Adam R. Dunki-Jacobs, Cincinnati, OH (US); Mark S. Ortiz, Milford, OH (US); Jonathan R. Thompson, Cincinnati, OH (US); Richard P. Nuchols, Williamsburg, OH (US); Caleb J. Hayward, Goshen, OH (US); Robert T. Means, III, Cincinnati, OH (US); and Saylan J. Lukas, Cincinnati, OH (US)
Assigned to Standard Bariatrics, Inc., Cincinnati, OH (US)
Filed by Standard Bariatrics, Inc., Cincinnati, OH (US)
Filed on Jun. 30, 2021, as Appl. No. 17/364,146.
Claims priority of provisional application 63/174,065, filed on Apr. 13, 2021.
Claims priority of provisional application 63/046,153, filed on Jun. 30, 2020.
Prior Publication US 2021/0401462 A1, Dec. 30, 2021
Int. Cl. A61B 17/34 (2006.01); A61M 13/00 (2006.01)
CPC A61B 17/3474 (2013.01) [A61B 17/3421 (2013.01); A61B 17/3439 (2013.01); A61B 2017/3443 (2013.01); A61B 2017/3486 (2013.01); A61M 13/003 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A trocar assembly, comprising:
a trocar sheath slidably and removably extendable within a trocar having a trocar housing and a trocar cannula, wherein the trocar sheath comprises:
a sheath cannula defining an interior lumen having an open distal end and an open proximal end; and
a housing assembly comprising a sheath hub coupled to the open proximal end of the sheath cannula, and a sheath seal contained in the sheath hub,
wherein when the sheath cannula is positioned in the trocar, the sheath cannula extends beyond a distal end of the trocar cannula; and
an obturator separate from the trocar sheath, comprising a handle and a distal blade, wherein the obturator is slidably and removably extendable within the trocar, and when the obturator is inserted in the trocar, the handle abuts the trocar housing.