Modular Drug Delivery System for Minimizing Trauma During and After Insertion of a Cochlear Lead
First Claim
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1. A modular capsule comprising:
- a first therapeutic agent with a first solubility in biological fluids in an implanted environment;
a second therapeutic agent with a second lower solubility in the biological fluids;
in which dissolution of the first therapeutic agent increases a rate of dissolution of the second therapeutic agent.
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Abstract
A modular capsule includes a first therapeutic agent having a first solubility in biological fluids in an implanted environment and a second therapeutic agent having a second lower solubility in the biological fluids. The modular capsule is configured such that dissolution of the first therapeutic agent increases a rate of dissolution of the second therapeutic agent.
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Citations
21 Claims
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1. A modular capsule comprising:
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a first therapeutic agent with a first solubility in biological fluids in an implanted environment; a second therapeutic agent with a second lower solubility in the biological fluids; in which dissolution of the first therapeutic agent increases a rate of dissolution of the second therapeutic agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. The modular capsule comprising:
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a first side configured to be exposed when the modular capsule is disposed within a preformed cavity of surgically implantable lead, the first side comprising a first therapeutic agent having a first solubility in biological fluids; and a second side configured to be covered when the modular capsule is disposed within a preformed cavity, the second side comprising a second therapeutic agent having a second solubility in biological fluids.
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16. A kit for delivering therapeutic treatment to biological tissue comprising:
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a surgically implantable lead comprising at least one preformed cavity; and a plurality of modular capsules configured to be retained in the at least one preformed cavity comprising; at least one dummy capsule; a first capsule comprising a first therapeutic agent, the first capsule configured to elute into biological tissue at a first concentration; and a second capsule comprising a second therapeutic agent, the second capsule configured to elute into biological tissue at a second concentration. - View Dependent Claims (17, 18, 19)
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20. A method for implantation of a surgically implantable lead with a preformed cavity comprising:
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evaluating medical characteristics of a specific patient to be implanted with the lead, obtaining a kit comprising a plurality of modular capsules, each capsule configured to be retained in the preformed cavity; selecting at least one of the modular capsules based on medical characteristics of the patient; inserting the selected capsule into the preformed cavity of the lead; and implanting the lead into the patient. - View Dependent Claims (21)
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Specification