US 11,723,767 B2
Medical device including attachable tip member
Kevin Robert Poppe, New Brighton, MN (US); Daniel J. Foster, Lino Lakes, MN (US); Christopher Jay Scheff, Elk River, MN (US); and Bradley S. Swehla, Eagan, MN (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed on Aug. 13, 2020, as Appl. No. 16/992,597.
Claims priority of provisional application 62/887,088, filed on Aug. 15, 2019.
Prior Publication US 2021/0045873 A1, Feb. 18, 2021
Int. Cl. A61F 2/24 (2006.01); A61M 25/00 (2006.01)
CPC A61F 2/2436 (2013.01) [A61M 25/0068 (2013.01); A61M 25/0082 (2013.01); A61M 2025/0096 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A system for delivering an implantable heart valve, comprising:
an inner shaft having a proximal end region, a distal end region and a first engagement member disposed along a portion of the distal end region; and
a tip assembly having a longitudinal axis and being configured to attach to the inner shaft, the tip assembly including:
a nosecone having a distal end region and a proximal end region;
a second engagement member disposed within at least a portion of the nosecone, the second engagement member including a first locking member, the first locking member having a fixed proximal end, a free distal end, and a length extending therebetween parallel to the longitudinal axis, the first locking member tapering radially inward from the fixed proximal end to the free distal end, the first locking member configured to deflect from a first position to a second engaged position;
wherein attaching the tip assembly to the inner shaft includes deflecting the first locking member such that the first locking member is coupled to the first engagement member;
wherein the first engagement member includes a first shoulder portion, a second shoulder portion and a recessed portion located between the first shoulder portion and the second shoulder portion.