Appeal No. 1999-0701
Application No. 08/705,005
6 have been canceled.
Appellants' invention relates to a dilation catheter for
percutaneous transluminal coronary angioplasty procedures
(PTCA), and more particularly to dilation catheters for use in
PTCA procedures wherein blood is perfused distally of the
dilation balloon during the inflation cycle of the balloon, as
well as to a method for converting a standard dilation balloon
to a perfusion balloon. Independent claims 1, 11, 16 and 23
are representative of the subject matter on appeal and a copy
of those claims may be found in the Appendix to appellants'
brief.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:1
1 As indicated in Paper No. 28, mailed August 19, 1998,
the examiner's listing of the Gurbel et al. patent on page 3
of the examiner's answer was in error and this patent is not
being relied upon for rejecting the claims before us on
appeal. Likewise, we note that the examiner's listing of
claims "1-5" on page 4 of the answer as being rejected on
Blackshear is in error. Claim 2 has been canceled and claims
3 and 4 stand rejected under 35 U.S.C. § 103 as unpatentable
over Blackshear in view of Sahota. It appears that the
2
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