METHODS AND DEVICES FOR TREATING A BODILY LUMEN WITH IN SITU GENERATED STRUCTURAL SUPPORT

WIPO Patent Application WO/2015/164737

A3

A bodily lumen, such as a blood vessel, can be treated by forming a structural support in situ within the bodily lumen. This can be done by ejecting a formulation that includes a polymer that solidifies over a period of time, such as due to DMSO exchange or photocrosslinking. This can also be done by cooling a formulation until it freezes in situ. The structural support can also be made from a plaque which is already present in the bodily lumen. The plaque can be compressed by a balloon catheter and cooled so that it hardens and thereby forms the structural support. The bodily lumen can also be treated using a preformed structural support made of ice, for example frozen isotonic saline, or a fast degrading polymer, such as PEG. The preformed support is created outside of the bodily lumen, and then transported on a catheter to the treatment zone.

HOSSAINY SYED (US)
SUDHIR KRISHNA (US)
STANKUS JOHN (US)
TROLLSAS MIKAEL (US)

PCT/US2015/027507

June 16, 2016

April 24, 2015

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ABBOTT CARDIOVASCULAR SYSTEMS (US)

A61L27/50; A61L27/18; A61L27/58; A61L31/06; A61L31/14

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MORALES, Norman L. et al. (275 Battery Street Suite 260, San Francisco California, US)

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