US 12,274,469 B2
Angled intraosseous access system
Daniel Pett, Sandy, 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 Aug. 24, 2021, as Appl. No. 17/410,863.
Claims priority of provisional application 63/069,988, filed on Aug. 25, 2020.
Prior Publication US 2022/0061880 A1, Mar. 3, 2022
Int. Cl. A61B 17/34 (2006.01); A61B 17/17 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/3403 (2013.01) [A61B 17/17 (2013.01); A61B 17/3472 (2013.01); A61B 2017/3407 (2013.01); A61B 2017/3409 (2013.01); A61B 17/3494 (2013.01); A61B 2090/034 (2016.02)] 22 Claims
OG exemplary drawing
 
1. An angled intraosseous access system, comprising:
a needle assembly including a needle defining a needle axis and configured to access a medullary cavity of a bone;
a driver rotatably coupled to the needle assembly and configured to advance the needle through a bone cortex to access the medullary cavity; and
a guide plate and a guide block configured to engage a skin surface and align the needle axis at a predetermined angle relative to a longitudinal axis of the medullary cavity; wherein the guide block includes a first series of notches and a second series of notches each configured to receive a portion of the driver, the first series of notches configured to align the needle axis with a first predetermined angle, the second series of notches configured to align the needle axis with a second predetermined angle different from the first predetermined angle.