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公开(公告)号:US20240315843A1
公开(公告)日:2024-09-26
申请号:US18582940
申请日:2024-02-21
Applicant: Medtronic, Inc.
Inventor: Luke A. CLARKE , Constantin F. CIOBANU , Patricia MCAFEE , Fionnuala MORELLI , Timothy Desmond FARRELL , Colm CALLAGY , Chris MORAN
IPC: A61F2/24
CPC classification number: A61F2/2436
Abstract: A prosthetic valve delivery assembly includes a dilator including a first tapered region extending along a dilator axis. The first tapered region includes a tapered shape with a first diameter at a distal end and a second diameter at a first central end. The second diameter is greater than the first diameter. A central region includes the second diameter that is substantially constant along a central length of the central region. A second tapered region includes a tapered shape with the second diameter at the second central end and a third diameter at a third central end. The third diameter is less than the second diameter. A proximal shaft region extends from the third central end. The proximal shaft region includes the third diameter such that a difference between the second diameter and the third diameter is within a French gauge range from about 3 Fr to about 5 Fr.
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公开(公告)号:US20250001139A1
公开(公告)日:2025-01-02
申请号:US18615140
申请日:2024-03-25
Applicant: Medtronic, Inc.
Inventor: Timothy Desmond FARRELL , Chris MORAN , Marc A. ANDERSON , Patricia MCAFEE , Luke A. CLARKE , Antonia TROTTA , Andrea Quero MARTIN , Tomas Patrick KITT , Ross L. WILCOX , Patrick GRIFFIN
Abstract: An expandable introducer includes a hub having a distal end and a proximal end, and a sheath coupled to the hub and extending distally therefrom, the sheath defining a central lumen. The sheath is configured to radially expand from a radially unexpanded, folded state having a first diameter and to a radially expanded, unfolded state having a second diameter larger than the first diameter in response to a device passing through the central lumen. A wall of the sheath includes a thick wall region having a first wall thickness and a thin wall region having a second wall thickness smaller than the first wall thickness, wherein the thick wall region includes a coil embedded within the wall of the sheath.
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