B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
B05C 3/109 (2006.01) A61L 27/28 (2006.01) A61L 31/10 (2006.01) A61L 33/00 (2006.01)
Patent
CA 2491729
An apparatus and process for coating a plurality of articles in batches, in particular for applying a biocompatible layer on articles adapted to come into contact with blood or body tissue, e.g. a coagulation-preventing substance so as to render the articles non-thrombogenic. A plurality of article-carrying plates (14) are stacked upon one another and have a plurality of communicating wells (18) for receiving therein a respective article to be coated. A base plate (12) defines with a bottom side of a lowermost of said article-carrying plates a distribution chamber (34) for receiving and evenly distributing a solution containing a substance to be applied to said articles. The solution is fed through the wells of the stacked plates (14) in parallel vertical flows.
L'invention concerne un appareil et un procédé permettant de revêtir une pluralité d'articles par lots, notamment d'appliquer une couche biocompatible sur des articles destinés à venir en contact avec du sang ou des tissus de l'organisme, notamment une substance prévenant la coagulation de manière à rendre ces articles non thrombogéniques. Plusieurs plaques porte-articles (14) sont empilées et ont plusieurs puits de communication (18) respectivement destinés à recevoir un article à revêtir. Une plaque de base (12) définit, par la face fond de la plaque porte-article inférieure, une chambre de distribution (34) destinée à recevoir et à distribuer uniformément une solution contenant une substance à appliquer sur ces articles. Cette solution est cédée en flux verticaux parallèles par les puits des plaques empilées (14).
Eketorp Rainer
Tornblad Per
Carmeda Ab
Fetherstonhaugh & Co.
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