US 12,268,394 B2
Devices and methods for excluding the left atrial appendage
David A. Melanson, Hudson, NH (US); Andy H. Levine, Newton Highlands, MA (US); James H. Loper, Wales, MA (US); Michael T. Radford, Nashua, NH (US); Carol Devellian, Topsfield, MA (US); Aaron V. Kaplan, Norwich, VT (US); and Ronald B. Lamport, Pelham, NH (US)
Assigned to Conformal Medical, Inc., Nashua, NH (US)
Filed by Conformal Medical, Inc., Merrimack, NH (US)
Filed on Feb. 5, 2020, as Appl. No. 16/782,871.
Claims priority of provisional application 62/803,289, filed on Feb. 8, 2019.
Prior Publication US 2020/0253614 A1, Aug. 13, 2020
Int. Cl. A61B 17/12 (2006.01); A61B 17/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/12122 (2013.01) [A61B 17/1219 (2013.01); A61B 2017/00579 (2013.01); A61B 2017/00632 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/1205 (2013.01); A61B 2017/12054 (2013.01); A61B 17/12172 (2013.01); A61B 2090/3966 (2016.02)] 17 Claims
OG exemplary drawing
 
1. An implant and a delivery system for deploying the implant, comprising:
an elongate, flexible pusher positioned within a channel of a delivery catheter, wherein the pusher has a proximal end, a distal end and at least one lumen extending therethrough;
the implant releasably carried on the distal end;
a hand piece on the proximal end;
a tether extending from the hand piece through the at least one lumen and detachably connected to the implant, wherein the tether extends from the hand piece distally through the at least one lumen, wraps around a pin in the implant and extends proximally back through the at least one lumen to the hand piece, the pin having a longitudinal axis with first and second diametrically opposed pin sides transverse to the pin longitudinal axis, wherein the tether extends distally along the first pin side, wraps around the pin, and extends back proximally along the second pin side; and
a control on the hand piece for moving between a first, transvascular navigation configuration in which the implant is held by the tether in close proximity to the distal end of the pusher, and a second, test configuration in which the distal end of the pusher may be moved a distance away from the implant without changing the orientation of the implant, while the tether is still attached to the implant,
wherein the control comprises a locking mechanism configured to releasably secure the implant in the first, transvascular navigation configuration and permit the distal end of the pusher to move the distance away from the implant in the second, test configuration,
wherein the locking mechanism comprises a shaft configured to move between a distal position corresponding with the first, transvascular navigation configuration and a proximal position corresponding with the second, test configuration, wherein the proximal position permits the distal end of the pusher to move the distance away from the implant,
wherein the locking mechanism further comprises at least one arm configured to releasably secure the shaft in the distal position, and
wherein the at least one arm is configured to pivot around a locking pin and release the shaft from the distal position.