Implantable medical devices including septum-based indicators
First Claim
1. An access port, comprising:
- a port body, including a reservoir connected to an outlet stem; and
a septum coupled to the port body, providing access to the reservoir, the septum comprising;
a lower portion defining an outer periphery of the septum;
an upper portion joined to the lower portion at a juncture, wherein an outer circumferential surface of the upper portion extends vertically upward from the juncture, the upper portion comprising;
an inner periphery defined by the outer circumferential surface, the inner periphery positioned radially inwardly relative to the outer periphery; and
a plurality of palpation features, at least one of the plurality of palpation features having a portion extending radially between the inner periphery and the outer periphery.
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Accused Products
Abstract
An access port for providing subcutaneous access to a patient is disclosed. The access port includes a septum including palpable identification indicia thereon. In particular, the access port in one embodiment includes a body that defines a fluid cavity and a needle-penetrable septum covering the fluid cavity for providing access thereto. The septum defines an outer periphery. One or more palpation features are included on the septum. The palpation features each include a portion that extends in a radial direction beyond the outer periphery of the septum. The palpation features are therefore disposed relatively farther away from each other, simplifying palpation and identification thereof after the port has been subcutaneously implanted into a patient. The palpation features can be indicative of an attribute of the port, such as its ability to withstand fluid pressures and flow rates associated with power injection, for instance.
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Citations
12 Claims
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1. An access port, comprising:
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a port body, including a reservoir connected to an outlet stem; and a septum coupled to the port body, providing access to the reservoir, the septum comprising; a lower portion defining an outer periphery of the septum; an upper portion joined to the lower portion at a juncture, wherein an outer circumferential surface of the upper portion extends vertically upward from the juncture, the upper portion comprising; an inner periphery defined by the outer circumferential surface, the inner periphery positioned radially inwardly relative to the outer periphery; and a plurality of palpation features, at least one of the plurality of palpation features having a portion extending radially between the inner periphery and the outer periphery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification