Surgery – Instruments – Electrical application
Reexamination Certificate
2008-09-02
2008-09-02
Peffley, Michael (Department: 3739)
Surgery
Instruments
Electrical application
C607S102000, C606S042000
Reexamination Certificate
active
09916214
ABSTRACT:
An apparatus for treating tumors comprises an elongated delivery device that includes a lumen and is maneuverable in tissue. An impedance sensor array is deployable from the elongated device and configured to be coupled to at least one of an energy source or a switching device. The impedance array includes a plurality of resilient members, at least one of the plurality being positionable in the elongated device in a compacted state and deployable with curvature into tissue from the elongated device in a deployed state. In the deployed state, the plurality of resilient members defines a sample volume. At least one of the resilient members includes an impedance sensor and at least a portion of the array is configured to sample tissue impedance through a plurality of conductive pathways. An energy delivery device is coupled to one of the array, the at least one resilient member or the elongated device.
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Balbierz Daniel J.
Johnson Theodore C.
Pearson Robert M.
Angiodynamics, Inc.
Peffley Michael
Qian Jin
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