Method and apparatus for loading a beneficial agent into an expandable medical device
First Claim
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1. An apparatus for loading a beneficial agent in a medical device having a plurality of openings having a top side and a bottom side, the apparatus comprising:
- a dispenser configured to dispense a beneficial agent into the plurality of openings in the medical device from the top side of the openings;
a mandrel for mounting a medical device, wherein the mandrel seals the bottom side of the openings;
an observation system configured to locate and identify the plurality of openings; and
a central processing unit for controlling the dispensing of the beneficial agent into the openings of the medical device, wherein an amount and location of droplets of beneficial agent dispensed into each of the openings in the medical device is determined by the central processing unit based on information obtained from the observation system, wherein the mandrel includes a resilient outer surface which seals the bottom side of the openings.
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Abstract
The present invention relates to method and apparatus for dispensing a beneficial agent into an expandable medical device. The method includes the step of placing an expandable medical device on a mandrel, the medical device forming a cylindrical device having a plurality of openings and dispensing a beneficial agent into the plurality of openings.
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Citations
6 Claims
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1. An apparatus for loading a beneficial agent in a medical device having a plurality of openings having a top side and a bottom side, the apparatus comprising:
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a dispenser configured to dispense a beneficial agent into the plurality of openings in the medical device from the top side of the openings; a mandrel for mounting a medical device, wherein the mandrel seals the bottom side of the openings; an observation system configured to locate and identify the plurality of openings; and a central processing unit for controlling the dispensing of the beneficial agent into the openings of the medical device, wherein an amount and location of droplets of beneficial agent dispensed into each of the openings in the medical device is determined by the central processing unit based on information obtained from the observation system, wherein the mandrel includes a resilient outer surface which seals the bottom side of the openings. - View Dependent Claims (2, 3)
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4. A system for controlling a delivery of a beneficial agent into an opening, the system comprising:
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a mandrel having a plurality of expandable medical devices; a dispenser configured to dispense a first layer and a second layer of a beneficial agent into a plurality of openings in the expandable medical device; and a central processing unit for controlling the dispensing of the beneficial agent into the openings of the expandable medical device, wherein the plurality of openings have a top side and a bottom side and wherein the mandrel seals the bottom side of the openings, wherein the mandrel includes a resilient outer surface which seals the bottom side of the openings. - View Dependent Claims (5, 6)
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Specification