Surgery – Instruments – Cyrogenic application
Reexamination Certificate
2011-04-18
2011-12-27
Dvorak, Linda (Department: 3739)
Surgery
Instruments
Cyrogenic application
C606S033000, C606S020000
Reexamination Certificate
active
08083732
ABSTRACT:
A catheter includes a cryoablation tip with an electrically-driven ablation assembly for heating tissue. The cryoablation tip may be implemented with a cooling chamber through which a controllably injected coolant circulates to lower the tip temperature, and having an RF electrode at its distal end. The RF electrode may be operated to warm cryogenically-cooled tissue, or the coolant may be controlled to conductively cool the tissue in coordination with an RF treatment regimen.
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Abboud Marwan
Arless Steven G.
Carroll Sean
Milder Fredric L.
Wittenberger Dan
Christopher & Weisberg P.A.
Dvorak Linda
Medtronic Cryocath LP
Scott Amanda
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