Coating apparatus – Projection or spray type
Reexamination Certificate
2006-02-03
2010-06-29
Tadesse, Yewebdar T (Department: 1792)
Coating apparatus
Projection or spray type
C118S323000, C118S669000, C118S692000, C118S712000, C347S086000, C347S068000
Reexamination Certificate
active
07743727
ABSTRACT:
A coating system for coating a stent with a medication, the stent being mounted on a balloon on a catheter, the system having an applicator device including a fluid ejection nozzle, a reservoir and a pressure wave actuating arrangement. The nozzle has an opening configured for dispensing the medication on to the stent. The reservoir is in fluid communication with the nozzle. The nozzle and the reservoir are configured for generating a negative pressure for preventing leakage of the medication via the opening. The pressure wave actuating arrangement is configured for generating a pressure wave in the nozzle for causing fluid displacement in the nozzle, thereby ejecting a droplet of the medication from the opening. The negative pressure of the nozzle and the reservoir are configured in order that the remaining medication is drawn toward the opening to replace the medication dispensed with the droplet.
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Boston Scientific Scimed Inc.
Tadesse Yewebdar T
Vidas Arrett & Steinkraus P.A.
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