Pressurized dip coating system
First Claim
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1. A method of coating a medical device, the method comprising the steps of:
- placing a medical device into a coating vessel;
reducing pressure within the coating vessel;
adding a coating composition to the coating vessel in an amount sufficient to contact the medical device;
increasing pressure in the coating vessel to a predetermined super-atmospheric pressure;
circulating the coating composition into and out of the coating vessel for a predetermined amount of time;
draining the coating composition from the coating vessel;
drying the coated medical device positioned within the coating vessel; and
removing a coated medical device from the sealable vessel.
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Abstract
The present disclosure provides a method and apparatus for coating a medical device.
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Citations
19 Claims
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1. A method of coating a medical device, the method comprising the steps of:
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placing a medical device into a coating vessel;
reducing pressure within the coating vessel;
adding a coating composition to the coating vessel in an amount sufficient to contact the medical device;
increasing pressure in the coating vessel to a predetermined super-atmospheric pressure;
circulating the coating composition into and out of the coating vessel for a predetermined amount of time;
draining the coating composition from the coating vessel;
drying the coated medical device positioned within the coating vessel; and
removing a coated medical device from the sealable vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An apparatus for coating a medical device comprising:
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a coating vessel;
a vacuum pump for evacuating air from the coating vessel;
a reservoir for a coating composition;
means for increasing the pressure inside the coating vessel; and
a circulating pump for moving the coating composition into and out of the coating vessel.
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Specification