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1. WO2009045745 - SPRAY COATING STENTS WITH A PREDETERMINED NUMBER OF LAYERS OF PREDETERMINED THICKNESS

Publication Number WO/2009/045745
Publication Date 09.04.2009
International Application No. PCT/US2008/076862
International Filing Date 18.09.2008
IPC
B05D 1/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
02performed by spraying
CPC
B05B 12/084
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
12Arrangements for controlling delivery; Arrangements for controlling the spray area
08responsive to condition of liquid or other fluent material ; to be; discharged, of ambient medium or of target ; ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
084responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
B23K 2103/42
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
2103Materials to be soldered, welded or cut
30Organic material
42Plastics
B23K 2103/50
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
2103Materials to be soldered, welded or cut
50Inorganic material, e.g. metals, not provided for in B23K2103/02B23K2103/26
Applicants
  • ABBOTT CARDIOVASCULAR SYSTEMS INC. [US]/[US] (AllExceptUS)
  • JOW, Kevin [US]/[US] (UsOnly)
  • CASTRO, Daniel [US]/[US] (UsOnly)
Inventors
  • JOW, Kevin
  • CASTRO, Daniel
Agents
  • AUERBACH, Robert P.
Priority Data
11/864,23628.09.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SPRAY COATING STENTS WITH A PREDETERMINED NUMBER OF LAYERS OF PREDETERMINED THICKNESS
(FR) REVÊTEMENT D'ENDOPROTHÈSES VASCULAIRES PAR PULVÉRISATION AVEC UN NOMBRE FIXE DE COUCHES
Abstract
(EN)
The present application relates to a method of coating stents, the process comprising forming a coating in multiple layers, the method comprising:a) selecting a target mass per coating layer on a stent; b) spraying coating material on a stent to form at least one coating layer; c) determining the actual mass per coating layer obtained by the spraying; d) if the target mass per coating layer has not been obtained within a tolerance range, modifying at least one spraying parameter based on the actual mass per coating layer to obtain the target mass per coating layer; and e) repeating steps b-d until the target mass per coating layer is obtained.
(FR)
L'invention concerne divers modes de réalisation de procédés de revêtement d'endoprothèses vasculaires. Un procédé concerne une procédure de calibrage d'un appareil de pulvérisation d'endoprothèses vasculaires. Un autre procédé concerne l'obtention d'un lot d'endoprothèses vasculaires où chaque endoprothèse vasculaire présente le même nombre de couches de revêtement et la même quantité totale de matériau de revêtement.
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