US 12,226,123 B2
Safety mechanism
Daniel B. Blanchard, Bountiful, UT (US)
Assigned to Bard Access Systems, Inc., Salt Lake City, UT (US)
Filed by Bard Access Systems, Inc., Salt Lake City, UT (US)
Filed on Jul. 16, 2021, as Appl. No. 17/378,304.
Claims priority of provisional application 63/053,356, filed on Jul. 17, 2020.
Prior Publication US 2022/0015801 A1, Jan. 20, 2022
Int. Cl. A61B 17/34 (2006.01)
CPC A61B 17/3472 (2013.01) [A61B 17/3423 (2013.01); A61B 17/3496 (2013.01); A61B 2017/347 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A safety mechanism, comprising:
an elongate medical device having a shaft extending along a longitudinal axis and defining a first outer diameter, the shaft including a notch extending annularly and defining a second outer diameter, less than the first outer diameter;
a sheath including a body defining a sheath lumen configured to receive the elongate medical device therethrough, and a shroud extending axially and including a first sheath aperture and a second sheath aperture;
a needle hub defining a recess, the body of the sheath configured to engage the recess of the needle hub, the shroud configured to extend over an outer surface of the needle hub; and
a clip configured to transition between a first configuration and a second configuration, the clip comprising:
a first arm, including a first tab, a first plate, and a first grip, the first tab including a first keyhole aperture;
a second arm, including a second tab, a second plate, and a second grip, the second tab including a second keyhole aperture; and
a biasing member extending from the first arm to the second arm and configured to bias the clip towards the second configuration, the elongate medical device extending through the first keyhole aperture and the second keyhole aperture, the first grip extending through the first sheath aperture, and the second grip extending through the second sheath aperture, wherein one or both of the first grip and the second grip engage the outer surface of the needle hub when the clip is in the first configuration.