公开(公告)号：US20220409868A1

公开(公告)日：2022-12-29

申请号：US17897059

申请日：2022-08-26

Applicant: Abbott Cardiovascular Systems Inc.

Inventor： Puneet Kamal Singh Gill ,  Raymundo Rodriguez ,  Jonathan Durcan ,  Robert Hayzelden ,  Michael Green

IPC: A61M25/09

Abstract: A torque device for gripping and manipulating a guidewire for advancing the guidewire into a patient's vascular system. The torque device is configured for single-handed use and can be opened for repositioning the torque device relative to the guidewire and closed for gripping the guidewire to prevent axial and rotational movement relative to the guidewire. The torque device grips the guidewire at multiple spaced apart locations on the guidewire.

公开(公告)号：US20220117762A1

公开(公告)日：2022-04-21

申请号：US17562592

申请日：2021-12-27

Applicant: Abbott Cardiovascular Systems, Inc.

Inventor： John A. Simpson ,  Puneet Kamal Singh Gill ,  Pamela A. Kramer-Brown

IPC: A61F2/82 ,  C22C1/04 ,  A61L31/18 ,  A61L31/02 ,  C22C19/07 ,  A61F2/06

Abstract: A stent having a cobalt-based alloy, wherein the cobalt-based alloy is free of nickel (Ni), the cobalt-based alloy including 10-65 weight % metal member selected from a platinum group metal, a refractory metal, or combinations thereof, 15-25 weight % chromium (Cr), 4-7 weight % molybdenum (Mo), 0-18 weight % iron (Fe), and 22-40 weight % cobalt (Co).

公开(公告)号：US20210106729A1

公开(公告)日：2021-04-15

申请号：US17068526

申请日：2020-10-12

Applicant: Abbott Cardiovascular Systems, Inc.

Inventor： John A. Simpson ,  Puneet Kamal Singh Gill

IPC: A61L31/02 ,  A61L31/18 ,  C22C30/00 ,  B22F9/08 ,  C22C1/02 ,  B22F3/16

Abstract: Embodiments are directed to radiopaque implantable structures (e.g., stents) formed of cobalt-based alloys that comprise cobalt, chromium, tungsten, and nickel, and methods for their manufacture. Tungsten is present above its solubility limit (about 15%) at ambient temperature, but is still only present as a super-saturated, primarily single-phase material exhibiting an FCC microcrystalline structure.