Implantable therapeutic substance delivery device with septum guide and method of use
First Claim
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1. An implantable medical device for delivering a liquid therapeutic substance to a delivery site within a patient, the device comprising:
- a housing including an outer wall defining an exterior face;
a port assembly including a port passage terminating at a port opening that is exteriorly open relative to the exterior face, and a septum disposed across the port passage; and
a plurality of grooves formed in the exterior face extending from the port opening, the plurality of grooves being open relative to the port opening and an exterior of the device, wherein the plurality of grooves are sized to receive a needle tip and each of the plurality of grooves has a width in the range of 0.01-0.05 inch.
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Abstract
An implantable delivery device including a housing, a port assembly, and a plurality of grooves. The housing includes an outer wall defining an exterior face. The port assembly includes a septum and a port opening that is exteriorly open relative to the housing face. The plurality of grooves are formed in the exterior face proximate the port opening, and are sized to receive a needle tip to guide the needle tip toward the port opening. In one embodiment, the port assembly is fluidly connected to a reservoir, such that the port assembly constitutes a reservoir refill port.
21 Citations
17 Claims
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1. An implantable medical device for delivering a liquid therapeutic substance to a delivery site within a patient, the device comprising:
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a housing including an outer wall defining an exterior face; a port assembly including a port passage terminating at a port opening that is exteriorly open relative to the exterior face, and a septum disposed across the port passage; and a plurality of grooves formed in the exterior face extending from the port opening, the plurality of grooves being open relative to the port opening and an exterior of the device, wherein the plurality of grooves are sized to receive a needle tip and each of the plurality of grooves has a width in the range of 0.01-0.05 inch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification