Drug Delivery System
AssigneeC. R. Bard, Inc.
InventorsJohn D. MCDERMOTT, Alexander W. TESSMER, William R. BRATT, David G. SPILKA, Leonard J. DECANT, JR.
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Abstract
Apparatuses and methods for coating and/or loading a medical device with a therapeutic agent prior to or during the placement of the medical device within the patient's body. In one variation, the medical device is coated and/or loaded with a therapeutic agent while the device is positioned in a delivery apparatus. In another variation, the delivery apparatus comprises a reservoir for retaining a therapeutic agent. The user may release the therapeutic agent from the reservoir prior to or during the placement of the device to coat and/or load the device with the therapeutic agent.
Claims20
A delivery apparatus comprising:
- a catheter including a first lumen;
- a medical device positioned in a distal portion of the first lumen;
- a deployment mechanism slidably disposed in the first lumen;
- and
- a separator disposed in the first lumen, separating the distal portion of the first lumen from a proximal portion of the first lumen.
A drug loading system, comprising:
- a medical device delivery apparatus including a medical device disposed in a distal portion thereof;
- an injection mechanism containing a therapeutic agent;
- and
- an adaptor coupling the injection mechanism to a distal end of the delivery apparatus and directing the therapeutic agent from the injection mechanism into the distal portion of the delivery apparatus to coat and/or load the medical device.
A method for implanting a medical device, comprising:
- disposing a portion of the medical device in a delivery apparatus;
- and
- releasing a therapeutic agent from a reservoir to coat and/or load the medical device.
A method for delivering a drug to a patient, comprising:
- contacting a medical device with a therapeutic agent while the medical device is disposed in a distal portion of a delivery apparatus;
- inserting the delivery apparatus in a patient's body;
- and
- deploying the medical device in the patient's body.
Dependencies are inferred from the claim text.