US 9,808,317 B2
Pneumatic system for deployment of articulating arms for an access port
Stanislaw Marczyk, Stratford, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Jan. 7, 2013, as Appl. No. 13/735,068.
Claims priority of provisional application 61/584,738, filed on Jan. 9, 2012.
Prior Publication US 2013/0178869 A1, Jul. 11, 2013
Int. Cl. A61B 17/00 (2006.01); A61B 19/00 (2006.01); A61B 90/10 (2016.01); A61B 17/29 (2006.01); A61B 17/34 (2006.01)
CPC A61B 19/20 (2013.01) [A61B 17/3423 (2013.01); A61B 90/10 (2016.02); A61B 17/3421 (2013.01); A61B 2017/003 (2013.01); A61B 2017/2901 (2013.01); A61B 2017/2902 (2013.01); A61B 2017/2903 (2013.01); A61B 2017/2904 (2013.01); A61B 2017/2905 (2013.01); A61B 2017/2906 (2013.01); A61B 2017/2908 (2013.01); A61B 2017/3447 (2013.01); A61B 2017/3466 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, which comprises:
an anchor member defining a longitudinal axis and having a proximal end and a distal end, the distal end having a distal end surface;
a balloon member extending distally through the distal end surface of the anchor member;
the balloon member is configured to inflate and deflate, and
an articulating arm extending distally through the distal end surface of the anchor member defining a longitudinal lumen, the articulating arm having a linear position and a fully articulated position, wherein in any articulated position of the articulating arm between the linear position and the fully articulated position the lumen is configured to guide a surgical instrument through the entire lumen, wherein the articulating arm is configured to transition between the linear position and the full articulated position in response to inflation and deflation of the balloon member.