US 12,185,975 B2
Trocar cannula assembly with low profile insertion configuration and method of manufacture
Boun Pravong, Rancho Santa Margarita, CA (US); Kennii Pravongviengkham, Rancho Santa Margarita, CA (US); Eduardo Bolanos, Rancho Santa Margarita, CA (US); and Joel B. Velasco, Rancho Santa Margarita, CA (US)
Assigned to Applied Medical Resources Corporation, Rancho Santa Margarita, CA (US)
Filed by Applied Medical Resources Corporation, Rancho Santa Margarita, CA (US)
Filed on Jun. 9, 2022, as Appl. No. 17/836,276.
Application 16/579,683 is a division of application No. 15/348,618, filed on Nov. 10, 2016, granted, now 10,420,584, issued on Sep. 24, 2019.
Application 15/348,618 is a division of application No. 14/209,161, filed on Mar. 13, 2014, granted, now 9,522,265, issued on Dec. 20, 2016.
Application 17/836,276 is a continuation of application No. 16/579,683, filed on Sep. 23, 2019, granted, now 11,382,659.
Claims priority of provisional application 61/792,285, filed on Mar. 15, 2013.
Prior Publication US 2022/0296274 A1, Sep. 22, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/34 (2006.01); A61M 25/10 (2013.01); A61M 39/02 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/3423 (2013.01) [A61B 17/3417 (2013.01); A61M 25/10184 (2013.11); A61M 39/02 (2013.01); A61M 39/0247 (2013.01); A61B 2017/00526 (2013.01); A61B 2017/3425 (2013.01); A61B 2017/3454 (2013.01); A61B 2017/3486 (2013.01); A61B 2017/3492 (2013.01); A61M 2039/0255 (2013.01); A61M 2039/0261 (2013.01); A61M 2039/0279 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A cannula assembly comprising:
a cannula having a proximal end, a distal end opposite the proximal end, and a lumen extending from the proximal end to the distal end along a longitudinal axis, the lumen configured to receive a surgical instrument therein, the cannula comprising:
a generally tubular cannula body having an exterior surface; and
a recess formed in the exterior surface of the cannula body adjacent the distal end of the cannula; and
a sleeve having a proximal end and a distal end, the sleeve disposed around the cannula from adjacent the proximal end of the cannula to the recess, the sleeve comprising:
an elongate tubular body;
a balloon positioned distal the elongate tubular body; and
a bonding segment distal the balloon, the bonding segment extending into the recess and coupled to the cannula, the bonding segment having a chamfered leading edge.