Drug delivery through encapsulation
First Claim
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1. An implantable drug delivery device comprising:
- a reservoir configured to store a drug capsule;
a catheter having a proximal end and a distal end, wherein the catheter has a first lumen and wherein the proximal end is connected to the reservoir for receiving the drug capsule from the reservoir into the first lumen;
a pump configured to convey the drug capsules to the catheter; and
a drug releaser connected to the catheter for freeing at least a portion of a drug from one or more of the drug capsules.
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Abstract
An implantable drug delivery device having a drug releaser that releases a drug from a capsule in the catheter. The drug delivery device includes a reservoir configured to store a drug capsule, a catheter, a pump configured to move the drug capsules into the catheter, and a drug releaser. The drug releaser is connected to the catheter for freeing at least a portion of the drug from one or more of the drug capsules while in the catheter.
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Citations
41 Claims
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1. An implantable drug delivery device comprising:
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a reservoir configured to store a drug capsule;
a catheter having a proximal end and a distal end, wherein the catheter has a first lumen and wherein the proximal end is connected to the reservoir for receiving the drug capsule from the reservoir into the first lumen;
a pump configured to convey the drug capsules to the catheter; and
a drug releaser connected to the catheter for freeing at least a portion of a drug from one or more of the drug capsules. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for drug delivery by an implantable pump and a catheter having a discharge portion and having a proximal end coupled to said pump, said method comprising:
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implanting the pump in a patient;
implanting said catheter so that said discharge portion lies adjacent a predetermined infusion site in the patient;
supplying to a reservoir at least one capsule containing a drug;
supplying to the reservoir a carrier fluid capable of dissolving the drug;
releasing the drug from the capsule in the catheter;
dissolving the drug in the carrier fluid to form a mixture; and
pumping the mixture to and through the discharge portion of the catheter and to the infusion site. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A catheter comprising:
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a first lumen;
a second lumen; and
a port connecting the first lumen to the second lumen allowing mixing of two fluids within the catheter.
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Specification