Surgery – Instruments – Surgical mesh – connector – clip – clamp or band
Reexamination Certificate
2006-03-21
2006-03-21
Robert, Eduardo C. (Department: 3732)
Surgery
Instruments
Surgical mesh, connector, clip, clamp or band
Reexamination Certificate
active
07014645
ABSTRACT:
An embolization device for occluding a body cavity includes one or more elongated, expansible, hydrophilic embolizing elements non-releasably carried along the length of an elongated filamentous carrier that is preferably made of a very thin, highly flexible filament or microcoil of nickel/titanium alloy. At least one expansile embolizing element is non-releasably attached to the carrier. A first embodiment includes a plurality of embolizing elements fixed to the carrier at spaced-apart intervals along its length. In second, third and fourth embodiments, an elongate, continuous, coaxial embolizing element is non-releasably fixed to the exterior surface of the carrier, extending along a substantial portion of the length of the carrier proximally from a distal tip, and optionally includes a lumenal reservoir for delivery of therapeutic agents. Exemplary methods for making these devices include skewering and molding the embolizing elements. In any of the embodiments, the embolizing elements may be made of a hydrophilic, macro-porous, polymeric, hydrogel foam material. In the second, third and fourth embodiments, the elongate embolizing element is preferably made of a porous, environmentally-sensitive, expansile hydrogel, which can optionally be made biodegradable and/or bioresorbable, having a rate of expansion that changes in response to a change in an environmental parameter, such as the pH or temperature of the environment.
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Constant Michael
Cox Brian J.
Cruise Gregory M.
Greene, Jr. George R.
Tran Terrance
Klein Howard J.
Klein O'Neill & Singh, LLP
Microvention Inc.
Robert Eduardo C.
LandOfFree
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