Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material
Reexamination Certificate
2008-04-08
2008-04-08
Kershteyn, Igor (Department: 3745)
Expansible chamber devices
Collapsible chamber wall portion
Wall portion formed of flexible material
C092S093000, C092S105000
Reexamination Certificate
active
07353747
ABSTRACT:
Methods and devices for pumping fluid are disclosed herein. In one exemplary embodiment, a pump is provided having a first member with a passageway formed therethrough, and a plurality of electrically expandable actuators in communication with the first member and adapted to change shape upon the application of energy thereto such that sequential activation of the activators can create a pumping action to move fluid through the first member.
REFERENCES:
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patent: 6194815 (2001-02-01), Carroll
patent: 6376968 (2002-04-01), Taylor et al.
patent: 2005/0040733 (2005-02-01), Goldenberg et al.
patent: 2005/0085693 (2005-04-01), Belson et al.
patent: WO-01/06579 (2001-01-01), None
patent: WO-03081762 (2003-10-01), None
patent: WO-2004031582 (2004-04-01), None
Ortiz Mark
Swayze Jeffrey
Ethicon Endo-Surgery Inc.
Kershteyn Igor
Nutter & McClennen & Fish LLP
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