Interference No. 104,290
was conducted. LX-1173, 919. To perform the test, Fox placed
the liver on a stainless steel ground plate" and connected the
ground plate to the "Patient Plate" terminal of the electro
surgical unit. LX-1173, 110. The four wire modified Dormier
basket electrodes were loaded into the cannula. The cannula was
inserted into the pig's liver. 1d. While holding the proximal
end of the cannula with one hand, Fox advanced the proximal end
of the modified Dormier basket with the other hand. The wire
electrodes were advanced through the cannula and out into the
pig's liver where they distended and assumed their deployed
configuration. Id. Fox then energized the electrosurgery unit
to supply rf current to the electrodes to ablate the tissue
between the electrodes. Id.
LX-1129 is a copy of Fox's lab notebook for June 23,
1993. LX-1173, T11. Fox placed a temperature probe in the
center of the four electrodes to measure temperature under
initial conditions and at the conclusion of the tests. Td.
Fox recorded several tests with the electrosurgical instru
ment operated at ever-increasing power. In all tests, the
'0 The plate is elsewhere described as aluminum.
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