Implantable medical devices including septum-based indicators
AssigneeC. R. Bard, Inc.
InventorsBret Hamatake, John G. Evans
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Abstract
A method of making an access port, includes providing a port body defining a fluid cavity, positioning a septum over the fluid cavity, and securing the septum to the port body. The septum includes 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 palpation features includes a first end adjacent a central axis of the septum, and a second end extending radially outward, overlapping the juncture.
Claims10
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.
Dependencies are inferred from the claim text.