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11-05-2008

Embolectomy capture sheath

An access device adapted for use in a body conduit is provided comprising an outer tube having a proximal end and a distal end, an inner tube disposed coaxially with the outer tube having a proximal end and a distal end and an expandable portion having a first end coupled to the distal end of the outer tube and a second end coupled to the distal end of the inner tube. The outer tube and the inner tube are movable relative to each other to transform the expandable portion between a low-profile state and a high-profile state and at least one of the outer and inner tubes comprises a wire-reinforced tube or is formed from a plurality of individual, discrete generally ring-shaped elements arranged in series and fused or bonded together to form a continuous tubular structure. The access device may further comprise an actuator coupled to one of the outer and inner tubes and being movable relative to the other of the outer and inner tubes to transform the expandable portion between the low- and high-profile states. The expandable portion may be formed with a braid material and has the shape of a cone. The ring-shaped elements may be formed of a thermoplastic or a thermoset material, and they may include at least one of plastic rings, metallic rings, un-reinforced plastic rings and metal reinforced plastic rings assembled along the length of at least one of the tubes to provide variable flexibility and kink-resistance. The wire-reinforced tube is formed by coating a wire with a plastic material, wrapping the coated wire around a mandrel forming a plurality of windings, and heating the wound coated wire until the plastic material melts and bonds the windings forming the wire-reinforced tube.

Document: EP1987787A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 02-15-2005
Publication date: 11-05-2008
Applicant: APPLIED MED RESOURCES, US
Inventor: NGUYEN ERIC, US ; HART CHARLES C, US


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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