Flexible sheath

Details Flexible sheath Flexible sheath

2010-05-05

2011-10-11

Stigell, Theodore (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S523000, C604S524000, C604S525000, C604S527000

Reexamination Certificate

active

08034045

ABSTRACT:
A medical device including a sheath having an inner liner and an outer layer attachable to a coil independent from each other to allow the inner liner and the outer layer the freedom to move coaxially independent from each other. The coil can be closely wound at a predetermined coil spacing sufficient to inhibit portions of the outer layer from entering into voids between the adjacent coil windings. Intermediate layers for bonding between the coil and the inner liner and/or the outer layer may also be provided. A filler material can be disposed within the voids between the adjacent windings of the coil. The filler material has a dimension sized to bridge the void between adjacent coil windings in order to inhibit portions of the outer layer from bonding to the inner liner. The filler material can be in the form of a ribbon.

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International Search Report and Written Opinion issued in PCT/US2011/033196 dated Aug. 2, 2011, 14 pgs.

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