US 11,890,443 B2
Implantable medical devices including septum-based indicators
Bret Hamatake, Grantsville, UT (US); and John G. Evans, South Jordan, UT (US)
Assigned to C. R. Bard, Inc., Franklin Lakes, NJ (US)
Filed by C. R. Bard, Inc., Franklin Lakes, NJ (US)
Filed on Sep. 14, 2020, as Appl. No. 17/020,691.
Application 16/105,774 is a division of application No. 14/587,862, filed on Dec. 31, 2014, granted, now 10,052,471.
Application 14/587,862 is a division of application No. 12/617,981, filed on Nov. 13, 2009, granted, now 8,932,271.
Application 17/020,691 is a continuation of application No. 16/105,774, filed on Aug. 20, 2018, granted, now 10,773,066.
Claims priority of provisional application 61/114,331, filed on Nov. 13, 2008.
Prior Publication US 2022/0080174 A1, Mar. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 39/02 (2006.01)
CPC A61M 39/0208 (2013.01) [A61M 2039/0214 (2013.01); A61M 2039/0235 (2013.01); A61M 2039/0238 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A septum providing access to a fluid cavity of a subcutaneously implanted access port, the septum comprising:
a lower portion having a first diameter;
an upper portion joined to the lower portion at a juncture, the upper portion having a second diameter less than the first diameter at the juncture; and
a plurality of palpation features joined to the upper portion, each of the plurality of palpation features including:
a first end adjacent a central axis of the septum; and
a second end extending radially outward to overlap the juncture, the second end including a bottom surface extending angularly away from the upper portion.