Cook Incorporated

Oregon Health & Science University

Cook Biotech, Inc.

Cook Medical Technologies LLC

Cook Group, Incorporated

Providence Health & Services - Oregon

Josef Rosch

Thomas A Osborne

Dusan Pavcnik

Frederick S Keller

Brian L Bates

Andrew K Hoffa

Joseph F Obermiller

Christopher G Dixon

John A DeFord

Raymond B Leonard, Ii

Joseph W Roberts

Barry T Uchida

Hans A Timmermans

Munehiro Maeda

Amy S Thurmond

A multiple-sided medical device comprises a frame comprising wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration which a generally serpentine shape. The device is pushed from a delivery catheter into the lumen of a duct or vessel and may include one or more barbs for anchoring purposes. A full or partial covering of fabric or other flexible material such as DACRON, PTFE, or a collagen-based material such as small intestinal submucosa (SIS), may be sutured or attached to the frame to form an occlusion device, a stent graft, or an implantable, intraluminal valve such as for correcting incompetent veins in the lower legs and feet.

Implantable vascular device

A multiple-sided medical device comprises a frame comprising wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration which a generally serpentine shape. The device is pushed from a delivery catheter into the lumen of a duct or vessel and may include one or more barbs for anchoring purposes. A full or partial covering of fabric or other flexible material such as DACRON, PTFE, or a collagen-based material such as small intestinal submucosa (SIS), may be sutured or attached to the frame using heat or pressure welding crimping, adhesive, or other techniques to form an occlusion device, a stent graft, or an implantable, intraluminal valve such as for correcting incompetent veins in the lower legs and feet.

A multiple-sided valve for implantation within a body vessel comprising a frame comprising a bioabsorbable material is provided. The devices can be pushed from a delivery catheter into the lumen of a duct or vessel and may include one or more barbs for anchoring purposes. A full or partial covering of fabric or other flexible material, or a bioabsorbable material, including a collagen-based material such as small intestinal submucosa (SIS), may be attached to the frame to form an occlusion device, a graft, or an implantable, intraluminal valve such as for correcting incompetent veins in the lower legs and feet.

Implantable vascular device comprising a bioabsorbable frame

A multiple-sided medical device comprises a closed frame of a single piece of wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration that comprises a self-expanding stent. The stent is pushed from a delivery catheter into the lumen of a duct or vessel. One or more barbs are attached to the frame of the device for anchoring or to connect additional frames. A covering of fabric or other flexible material such as DACRON, PTFE, or collagen, is sutured or attached to the frame to form an occlusion device, a stent graft, or an artificial valve such as for correcting incompetent veins in the lower legs and feet. A partial, triangular-shaped covering over the lumen of the device allows the valve to open with normal blood flow and close to retrograde flow.

Multiple-sided intraluminal medical device

A self-expanding endovascular stent formed of stainless steel wire which is bent into an elongated zigzag pattern. The zigzag pattern has a plurality of substantially straight wire sections of various lengths separating a plurality of bends. The zigzag pattern is helically wound about a central axis to define a tubular shape such that a majority of the bends are disposed in a helix. Adjacent bends in the helix are interconnected with a filament. The stent is capable of being radially compressed such that the straight wire sections and the bends are tightly packed around a central axis. The stent resiliently self-expands to assume a tubular shape when released from the compressed state. Depending on the pattern of the lengths of the straight wire sections in the zigzag pattern, the final tubular shape can be made irregular to match a patient's vascular system. In other words, the diameter of the tube which is defined by the stent can be made to vary along the length of the stent. Stents of the present invention are used to expand a passageway, hold a passageway open, or create a passageway.

Spiral stent

A hysterography device is provided which avoids the various disadvantages inherent in prior art devices, namely patient discomfort, incomplete seal-off of the cervical canal, complexity, and lack of provision for introduction of catheters or filberoptic devices into the uterine cavity through a sterile conduit. A handle having a conduit therein is provided for the introduction of catheters, coaxial catheter systems, fiberoptic devices, and contrast media. A cup at the distal end of the handle is vacuum or suction seated on the cervix of the patient to seal contrast media in the cervical canal. A movable cone may be provided for an enhanced seal. Preferably, the cup and the handle are soft and flexible plastic allowing for better seating on the cervix and better operator manipulation. A variety of cup shapes and sizes may be used. Vacuum suction in the cup may be provided by an independent flexible conduit. A method of use of such device is provided.

Hysterography device and method

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Portland, OR, United States of America

Josef Rosch