US 11,666,437 B2
Delivery cylinder for prosthetic implant
Arvin T. Chang, Yorba Linda, CA (US); Sam Sok, Santa Ana, CA (US); Amanda Kristine Anderson White, Menlo Park, CA (US); and Ajay Chadha, Irvine, CA (US)
Assigned to EDWARDS LIFESCIENCES CORPORATION, Irvine, CA (US)
Filed by Edwards Lifesciences Corporation, Irvine, CA (US)
Filed on Mar. 13, 2020, as Appl. No. 16/818,182.
Application 16/818,182 is a continuation of application No. 15/451,149, filed on Mar. 6, 2017, granted, now 10,779,941.
Claims priority of provisional application 62/305,351, filed on Mar. 8, 2016.
Prior Publication US 2021/0068946 A1, Mar. 11, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 2/24 (2006.01); A61F 2/97 (2013.01); A61F 2/95 (2013.01)
CPC A61F 2/243 (2013.01) [A61F 2/2436 (2013.01); A61F 2/2418 (2013.01); A61F 2/97 (2013.01); A61F 2002/9528 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A delivery cylinder for a prosthetic implant, comprising:
a first tubular portion; and
a second tubular portion comprising a plurality of distinct strut members coupled to the first tubular portion and defining a volume for containing a prosthetic implant in a radially compressed state, the strut members including proximal end portions and main body portions extending from the proximal end portions in both an expanded configuration and a contracted configuration of the delivery cylinder, the proximal end portions comprising flex regions comprising respective first and second bending portions with intermediate portions therebetween, the first bending portions located proximally of the second bending portions, the flex regions configured such that application of force to the strut members causes deformation of the flex regions and corresponding radially inward or outward movement of the strut members relative to a longitudinal axis of the delivery cylinder between the expanded configuration and the contracted configuration;
wherein the main body portions of the strut members are substantially parallel to the longitudinal axis of the delivery cylinder when the delivery cylinder is in the expanded configuration and when the delivery cylinder is in the contracted configuration;
wherein the proximal end portions of the strut members are angled radially away from the longitudinal axis of the delivery cylinder when the delivery cylinder is in the expanded configuration;
wherein the first bending portions of the flex regions are configured to bend in a direction radially away from the longitudinal axis such that angles defined between the first tubular portion and the respective intermediate portions of the flex regions are less than 180 degrees when the delivery cylinder is in the expanded configuration; and
wherein the second bending portions of the flex regions are configured to bend in a direction radially toward the longitudinal axis such that angles defined between the intermediate portions and the main body portions of the strut members are greater than 180 degrees when the delivery cylinder is in the expanded configuration.