Cook Incorporated

Oregon Health & Science University

Cook Medical Technologies LLC

Cook Biotech, Inc.

Sabin Corporation

Christopher G Dixon

Andrew K Hoffa

Thomas A Osborne

Dusan Pavcnik

Brian L Bates

Joseph F Obermiller

John A DeFord

Frederick S Keller

Josef Rosch

Raymond B Leonard, Ii

Jacob A Flagle

Joseph W Roberts

Joseph P Lane

Ray Leonard, Ii

Brian C Case

Ram H Paul, Jr

David G Burton

Ronan T Young

Aaron Barr

Christopher L Hruska

Kieran P J Murphy

Alan A Eller

Mike Garrison

John J Connors, Iii

Ram H Paul

Ray Leonard

John J Connors

Ray Ii Leonard

John G Iii Connors

A flexible kink-resistant introducer sheath (). The introducer sheath includes an inner liner (), a coil () and an outer tube (). The inner liner includes a passageway () extending longitudinally therethrough, where a catheter () can be advanced through the passageway. The coil () has a plurality of turns positioned longitudinally and compression fitted around the inner liner (), where the turns have a predetermined spacing therebetween. The outer tube () is positioned longitudinally around the coil () and the inner liner (), and is connected to the inner liner through the spaces between the turns. A diameter difference between the inner liner and the catheter is in a range of about 0.0005 to about 0.004 inch (0.013 to about 0.10 mm).

Flexible sheath with varying durometer

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.

The present invention provides a medical balloon having enlarged radii, which may be disposed on a dilation catheter. The enlarged radii balloon may reduce the trauma experienced by a patient both during the procedure and when the catheter is removed from the patient. The enlarged radii may provide the deflated balloon with smoother transitions and less mechanical rigidity at the balloon transitions.

Medical balloon with enlarged transitional radii

A stent constructed from at least two individual monolithic stent units is provided. The stent includes at least two individual stent units. Each individual stent unit has, as a monolithic structure, a first strut, a second strut, and a third strut. A first apex adjoins the first and second struts, and a second apex adjoining the second and third struts, where the second apex is disposed in a direction generally opposite the first apex. The monolithic stent unit includes an attachment mechanism at the end of at least the first strut. The first strut of each monolithic stent unit is joined at an attachment point to the third strut of an adjacent monolithic stent unit. The attachment mechanism is bent to form an angle relative to the attachment point. A method of manufacturing the same stent also is provided.

Z-stent with incorporated barbs

A delivery system () for implanting a medical device () such as a venous valve into the vasculature of a patient. The delivery system includes a delivery catheter () having a device-containing portion () adjacent to the distal end () thereof, and an inner member () extending through the catheter and beyond the distal end thereof, to an atraumatic distal tip portion () forward of the catheter distal end. The inner member extends through the medical device in the device-containing region, includes a proximal portion () with a sufficiently large diameter to prevent longitudinal movement of the device as the catheter is retracted during deployment, and centers the device upon release from the distal catheter end during deployment.

Medical device delivery system

A pressure injection syringe with an actuator that includes a plunger for pressurizing viscous fluid material within a chamber. The plunger distal tip includes a high pressure seal defined by a seal member within a seal seat. The high pressure seal is viscoselective to permit air passage therepast for aspiration, and to prohibit viscous material passage therepast during actuation of the actuator wherein high pressure is applied to the material within the chamber. The viscoselective seal may be defined for example by small axial openings in the seal seat that permit aspiration of air therepast during initial plunger insertion into the chamber, but fluid escape is prohibited by the seal member when the seal member is pressed firmly against a collar of the plunger proximally adjacent the seal seat by initial engagement of the seal member with the viscous material, thus completely sealing the chamber at the proximal end thereof.

High pressure injection syringe

An iris-type valve assembly comprises a base, a rotatable member, and an elongated elastomeric valve sheath. The distal end of the valve sheath is secured to the base, and the proximal end of the valve sheath is secured to the rotatable member. At least one of the valve sheath ends includes a flange that is secured to a valve-receiving surface of the base or the rotatable member. The base and the rotatable member are aligned to define a passageway therethrough for passage of an interventional device. The valve sheath is disposed along the passageway and has a longitudinal opening therethrough for passage of the interventional device. Upon rotation of the rotatable member relative to the base, the longitudinal opening of the valve sheath is selectively constrictable to comprise a seal around the interventional device.

Hemostatic valve assembly

A pressure injection syringe () with an actuator () that includes a plunger () for pressurizing viscous fluid material within a chamber (). The plunger distal tip () includes a high pressure seal () defined by a seal member () within a seal seat (). The high pressure seal () is viscoselective to permit air passage therepast for aspiration, and to prohibit viscous material passage therepast during actuation of the actuator wherein high pressure is applied to the material within the chamber (). The viscoselective seal () may be defined for example by small axial openings () in the seal seat () that permit aspiration of air therepast during initial plunger insertion into the chamber, but fluid escape is prohibited by the seal member () when the seal member is pressed firmly against a collar () of the plunger () proximally adjacent the seal seat by initial engagement of the seal member with the viscous material, thus completely sealing the chamber () at the proximal end thereof.

An apparatus for holding a needle such as a medical needle, during exposure to radiation, such as X-ray radiation. The apparatus includes a needle collar and a control bar. The needle collar attaches to the needle shaft and has a first attachment point while the control bar has a second attachment point, where the first and second attachment points cooperate to releasably engage the needle collar and the control bar. In use, when the needle collar and the control bar are engaged, the user grasps the control bar to control the needle while releasing the needle and maintaining the hands of the user outside of a field of the radiation, e.g., outside of a field of the X-ray radiation. The control bar is dimensioned such that its proximal end (i.e., the end to be grasped by the user) is outside the field of radiation.

Needle control device

Growing community of inventors

Bloomington, IN, United States of America

Christopher G Dixon