Balloon catheter having osmotic inflation system

Details Balloon catheter having osmotic inflation system Balloon catheter having osmotic inflation system

2005-04-21

2010-11-02

Sirmons, Kevin C (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C600S585000, C604S097010, C604S099010, C604S915000, C604S920000

Reexamination Certificate

active

07824369

ABSTRACT:
A system and method for inflating and deflating a catheter balloon using osmosis. An elongate catheter shaft has a proximally disposed osmotic membrane in fluid communication with a distally mounted balloon through a fluid-filled catheter lumen. The balloon is inflated by exposing the exterior of the membrane to a solution that is hypotonic relative to the solution within the catheter lumen. The balloon is deflated by exposing the exterior of the membrane to a solution that is hypertonic in relation to the solution within the catheter lumen.

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patent: 2005/0096750 (2005-05-01), Kagan et al.
patent: 2005/0261726 (2005-11-01), Pile-Spellman

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