US 12,419,504 B2
Braking mechanisms for steerable medical devices and related methods
John B. Golden, Norton, MA (US); Evan Wilder, Boston, MA (US); Colby Harris, Weston, MA (US); and Michael McBrien, Jamaica Plain, MA (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed on Apr. 19, 2024, as Appl. No. 18/640,073.
Application 18/640,073 is a continuation of application No. 17/880,416, filed on Aug. 3, 2022, granted, now 11,986,157.
Claims priority of provisional application 63/203,902, filed on Aug. 4, 2021.
Prior Publication US 2024/0260819 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 1/005 (2006.01); G05G 1/01 (2008.04)
CPC A61B 1/0052 (2013.01) [G05G 1/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A steering system for a medical device, the steering system comprising:
a brake shoe member comprising:
a central portion including a lumen configured to receive a shaft of the medical device;
a first protrusion extending radially-outward, relative to a central longitudinal axis of the lumen, from the central portion;
a second protrusion extending radially-outward, relative to the central longitudinal axis of the lumen, from the central portion;
a first arm extending outward from the first protrusion, wherein the first arm is curved and includes a first expanded end and a first recess;
a second arm extending outward from the second protrusion, wherein the second arm is curved and includes a second expanded end and a second recess;
a first spring beam extending from the first arm and extending at least partially within the first recess; and
a second spring beam extending from the second arm and extending at least partially within the second recess.