Interference No. 103,270
be in the form of a balloon within the guide catheter" is
inconsistent
with CX-65 and 66, because the balloon shown in CX-66 is not
"within a guide catheter." However, contrary to this
argument,
Enger's testimony is consistent with the "Concept" paragraph
at the top of CX-66, which states that the balloon would hold
the guidewire in place "within the guide catheter."
A further argument by the junior party is that the
apparatus shown in CX-65 and 66 would be inoperative to
practice the method of count 2. Keith et al. refer to a March
22, 1989 memo from Coelho (CX-60) which states that the
overall length of the rapid exchange guidewire would be 180
cm. Then, taking the lengths of various components of the
system disclosed in Coelho's involved application, they
calculate that when the first dilatation catheter is withdrawn
sufficiently to allow the balloon on the guidewire to be
inflated and anchor the guidewire, the proximal end of the
dilatation catheter would extend at least 2 cm past the
proximal end of the guidewire. This, according to
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