公开(公告)号：US11632015B2

公开(公告)日：2023-04-18

申请号：US16552659

申请日：2019-08-27

Applicant: Boston Scientific Scimed Inc.

Inventor： Kalyna L. Sconzert ,  Joseph A. Kronstedt ,  Benjamin Breidall ,  Kimberly A. Robertson

IPC: H02K7/08 ,  H02K16/00 ,  H02K3/26 ,  H02K3/28 ,  H02K3/48 ,  H02K3/12 ,  H02K1/16 ,  H02K7/00

Abstract: An axial flux motor includes a housing; a drive shaft disposed within the housing; at least one rotor; and at least one stator. The at least one rotor includes a diametrically-magnetized single pole pair magnetic ring having a rotor aperture defined through the center of the magnetic ring, where the drive shaft extends through the rotor aperture and where the at least one rotor is fixed to the drive shaft. The at least one stator includes a number of conductive windings and a stator aperture, where the drive shaft extends through the stator aperture and where the drive shaft is rotatable within the aperture. The at least one stator is configured to generate an axial magnetic field that causes the at least one rotor to rotate, thereby rotating the drive shaft.

公开(公告)号：US11129959B2

公开(公告)日：2021-09-28

申请号：US16276971

申请日：2019-02-15

Applicant: BOSTON SCIENTIFIC SCIMED, INC.

Inventor： Matthew Hart ,  Corey N. Meyer ,  Derek Kenneth Larson ,  Benjamin Breidall ,  Kevin Martin ,  Victoria Velez ,  Nathan Adams

IPC: A61M25/00 ,  A61M25/06 ,  A61B17/34 ,  A61B90/00

Abstract: The present invention relates generally to medical devices and, in particular, to an introducer sheath that includes a shaft including a tubular portion, an expandable portion coupled to the tubular portion and a longitudinal axis. Additionally, the expandable portion includes a first pair of leaflets and a second pair of leaflets and both the first pair of leaflets and the second pair of leaflets extend along the longitudinal axis. Additionally, the second pair of leaflets are spaced radially inward of an inner surface of the first pair of leaflets and the expandable portion is designed to shift between a first configuration and a second radially expanded configuration.

公开(公告)号：US20210100940A1

公开(公告)日：2021-04-08

申请号：US17061835

申请日：2020-10-02

Applicant: Boston Scientific Scimed Inc

Inventor： Benjamin Breidall ,  Daniel H. VanCamp ,  Travis J. Schauer

IPC: A61M1/10

Abstract: A bearing assembly is configured to retain a distal end of an impeller of a blood pump, where the impeller includes a drive shaft. The bearing assembly includes a pivot member coupled to a distal end of the drive shaft; a distal bearing cup having a proximally-facing surface configured to engage at least a portion of a distal section of the pivot member; and a sleeve bearing disposed around at least a portion of a proximal section of the pivot member.

公开(公告)号：US20190275224A1

公开(公告)日：2019-09-12

申请号：US16295709

申请日：2019-03-07

Applicant: Boston Scientific Scimed, Inc.

Inventor： Brian J. Hanson ,  Steven R. Larsen ,  Benjamin Breidall ,  Joseph A. Kronstedt ,  Paul F. Chouinard

IPC: A61M1/10

Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.