A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/26 (2006.01) A61B 17/00 (2006.01) A61B 18/22 (2006.01) A61B 18/24 (2006.01)
Patent
CA 2338219
The invention encompasses methods and flexible apparatus for creating fluid flow from one location to another through the repetitive expansion and collapse of bubbles generated as a result of the absorption of repetitive pulses of radiation in a fluid. This pumping phenomenon can be used to aid removal of a total or partial occlusion in a body passage by disrupting the surface of the occlusion with acoustic shock and pressure waves and/or by causing mechanical disruption of the occlusive material. Flexibility is improved with choice of materials and particular constructions.
La présente invention concerne des procédés et un appareil souple permettant de créer un écoulement de fluide entre un emplacement et un autre emplacement via l'apparition et la disparition répétées de bulles causées par l'absorption d'impulsions de rayonnement par un fluide. On peut utiliser ce phénomène de pompage pour faciliter l'élimination d'une occlusion totale ou partielle d'un passage corporel en désagrégeant la surface de l'occlusion à l'aide d'un choc acoustique et de vagues de pression et/ou en provoquant la rupture mécanique de la matière occlusive. Le choix des matériaux et des constructions particulières permettent d'améliorer la souplesse de l'invention.
Esch Victor C.
Gatchalian Estela D.
Hebert Stephen J.
Levine Marc-Alan
Sucgang Eduardo U.
Endovasix Inc.
Esch Victor C.
Gatchalian Estela D.
Hebert Stephen J.
Levine Marc-Alan
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