Appeal No. 95-4246
Application 08/201,052
considered to be a part of the barrel 4, 6, 7. As for the
Figure 11 embodiment, Sharon explains at column 5, lines 28-
37, that the tip member 100 may be made from a test tube or a
centrifuge tube, with the laser beam being utilized to melt
the bottom of the tube to form the opening 104. While the
area of the tube immediately adjacent the aperture 104 may be
broadly considered a “contacting wall” having a “face,” it not
clear that this face “extend[s] . . . radially outward” from
the aperture 104, as required by each of the independent
claims.
McFee pertains to a therapeutical device for producing a
high frequency electrical discharge for treating tonsils or
other parts to which access is more or less difficult (page 1,
lines 9-14). The device includes an electrode 15 and a
tubular protector 17, preferably made of glass (page 2, line
35). The protector serves to make it easier for the operator
to hold the device at a proper distance from the part to be
treated (page 1, lines 36-43). In one embodiment, illustrated
in Figure 2, the protector is provided with an enlarged end in
the shape of a substantially radially extending flange (page
1, line 100; page 2, line 78). The purposes of the enlarged
-6-
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