CONFINEMENT OF KIDNEY-STONE FRAGMENTS DURING LITHOTRIPSY

World Intellectual Property Organization Patent

APP PUB NO WO-2005037062-A2
SERIAL NO

PCTUS2004033517

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The present invention improved significantly the success rate of lithotripsy and reduces the risk of tissue damage, by injecting temporary plugs in front and behind a concretion (for extracorporeal lithotripsy) or behind a concretion (for intracorporeal lithotripsy). One aspect of the present invention relates to injecting an inverse thermosensitive polymer solution into a lumen, thereby preventing the migration of a concretion, or its fragments, upon extracorporeal or intracorporeal lithotripsy.

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