American Biomed, Inc.

Gary R Ball

David P Summers

An endoprosthesis or stent comprising a continuous loop of material is disclosed, along with a method and systems for deploying the stent at a desired location within a collapsed vessel. The stent can comprise a double spiral configuration or a double helix configuration, and can be coated with a slippery biocompatable substance. The systems for deploying a stent include catheters capable of maintaining a stent in a reduced diameter state and releasing the stent so that it can resume it expanded diameter state at the implantation site.

Apparatus for placing an endoprosthesis

A distal intravascular filter is disclosed for filtering blood flow therethrough and entrapping and retaining embolic debris. The intravascular filter including a small diameter hollow guide wire or tube capable of percutaneous placement of the distal end thereof beyond a carotid stenosis. The distal portion of the tube includes a filter mounted thereon. The filter is deployable from a tightly closed configuration to an open circumference for blocking the unfiltered flow of blood beyond the carotid stenosis. The filter is deployable between open and closed positions by manipulation of an actuating wire extending from the filter and out the proximal end of the tube.

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Spring, TX, United States of America

Gary R Ball