Appeal No. 2002-0396
Application No. 08/331,280
1. A microtube having a relatively stiffer proximal
end and a relatively more flexible distal end comprising:
an inner cured resin layer;
a braid layer over the inner cured resin layer;
an outer cured resin layer over and encasing the braid
layer;
wherein the braid layer is woven in a weave having
relatively fewer picks per inch at the proximate end and
relatively more picks per inch at the distal end.
9. A microtube having a proximate end and a distal end
and an inner layer and an outer layer comprising:
an inner cured resin layer extending from the proximate
end of the microtube to a point intermediate the proximate end
and the distal end of the microtube;
a braid layer over the inner cured resin layer from the
proximate end to the intermediate point, said braid layer
constituting the inner layer from the intermediate point to the
distal end of the microtube; and
an outer cured resin layer over and encasing the braid
layer.
11. A microtube having a tube wall with an outer
surface and an inner lumen connecting a proximal end and a distal
end, said tube wall comprising at least two adjacent layers and
wherein the cross section of the inner lumen at the proximate end
is of relatively greater area than the cross section of the inner
lumen at the distal end.
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Last modified: November 3, 2007