公开(公告)号：US12233226B2

公开(公告)日：2025-02-25

申请号：US17393999

申请日：2021-08-04

Applicant: BOSTON SCIENTIFIC SCIMED, INC.

Inventor： Raymond D. Gessler, III ,  Peter L. Dayton ,  David B. Joda ,  Kyle L. Lemke ,  Jason Matteson ,  Mark P. Olson

IPC: A61M25/09

Abstract: Medical devices and systems for treating a stricture along the biliary and/or pancreatic tract are disclosed. An example medical device may include a guidewire for use along the biliary and/or pancreatic tract. The guidewire may include an elongate core member having a proximal end region and a distal end region. A coil member may be disposed along the distal end region. An actuation member may be coupled to the coil member. The actuation member may be configured to shift the coil member between a first configuration and a compressed configuration. The coil member may be configured to be advanced across a biliary and/or pancreatic stricture when in the compressed configuration. A sleeve may be disposed over the coil member.

公开(公告)号：US12295598B2

公开(公告)日：2025-05-13

申请号：US18409323

申请日：2024-01-10

Applicant: BOSTON SCIENTIFIC SCIMED, INC. ,  NORTHWESTERN UNIVERSITY

Inventor： Peter L. Dayton ,  Raymond D. Gessler, III ,  Srinadh Komanduri ,  Jason Matteson ,  Mark P. Olson

IPC: A61B17/22

Abstract: Medical devices and systems for treating a stricture, for example along the biliary and/or pancreatic tract, are disclosed. An example system may include a guidewire having a distal end and defining a lumen. A stiffening rod may be slidably disposed within the lumen. The stiffening rod may have a distal end and a distal end region disposed adjacent to the distal end. The stiffening rod may be configured to shift between a first position where the distal end of the stiffening rod is disposed proximally of the distal end of the guidewire and a second position where the distal end of the stiffening rod is disposed distally of the distal end of the guidewire.