Echogenic coatings with overcoat

Details Echogenic coatings with overcoat Echogenic coatings with overcoat

A - Human Necessities

61

L

A61L 31/14 (2006.01) A61B 8/12 (2006.01) A61K 49/22 (2006.01) A61L 29/18 (2006.01) A61M 25/095 (2006.01)

Patent

CA 2536947

An ultrasonically visible solid device for inserting into a non-gas target medium comprises an echogenic surface having structures entrapping gas when the device is in the target medium, the entrapped gas causing the device to be ultrasonically visible, wherein the gas-entrapping structures are covered with a flexible overcoat that does not significantly reduce the compressibility of the gas trapped in the structures.

L'invention concerne un dispositif solide visible aux ultrasons, destiné à être inséré dans un milieu cible non gazeux. Ce dispositif comprend une surface échogène présentant des structures piégeant un gaz lorsque le dispositif se trouve dans le milieu cible, le gaz piégé rendant le dispositif visible aux ultrasons. Ces structures piégeant un gaz sont recouvertes d'un revêtement souple qui ne réduit pas de manière significative la compressibilité du gaz piégé dans ces structures.

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