US 11,892,108 B2
Lever for auto insertion and secure placement of IV tubing for use in intravenous pump systems
Steve Roberts, Lakeside, CA (US)
Assigned to CAREFUSION, 303, INC., San Diego, CA (US)
Filed by CareFusion 303, Inc., San Diego, CA (US)
Filed on Mar. 27, 2020, as Appl. No. 16/832,363.
Application 16/832,363 is a continuation of application No. 15/793,513, filed on Oct. 25, 2017, granted, now 10,639,417.
Prior Publication US 2020/0222623 A1, Jul. 16, 2020
Int. Cl. F16L 3/10 (2006.01); A61M 5/142 (2006.01); A61M 39/28 (2006.01); A61M 5/36 (2006.01); A61M 5/00 (2006.01)
CPC F16L 3/10 (2013.01) [A61M 5/00 (2013.01); A61M 5/142 (2013.01); A61M 5/14228 (2013.01); A61M 5/365 (2013.01); A61M 39/281 (2013.01); A61M 39/284 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A lever, comprising:
a far end configured to engage an infusion tubing;
a pivot end configured to fit onto a shaft and to allow the lever to rotate about a shaft axis, the pivot end comprising a pocket to capture a spring having a leg protruding outside of the pocket, wherein the spring is configured to bias the lever against an infusion pump door assembly;
a tab disposed on an outer side of the far end and configured to interface with the door assembly; and
a pusher protruding into an inner side of the far end and configured to contact the infusion tubing when the far end engages the infusion tubing, wherein
the pusher is configured to apply a downward pressure to the infusion tubing when the door assembly is closed until the infusion tubing is properly aligned with an air-in-line sensor disposed on both sides of the infusion tubing,
wherein the far end comprises two walls projecting downward to engage the infusion tubing.