Limflow Gmbh

Intravascular Research Limited

Volcano Corporation

Stent Tek Limited

Other

Stenk Tek Limited

Linksure Ltd.

Volcano Therapeutic, Inc.

Robert Julian Dickinson

Martin Terry Rothman

Andrew Robert Pacey

Timothy Lenihan

Steven Kum

Roberto Ferraresi

Patrick Joseph Ryan

Elvin Leonard Nix

Elvin Nix

Christopher J Barlow

Sorin Popa

Stephan Wnendt

George Woodrow Keilman

William Howes

Ajay Kumar Jain

Robin Hamilton

Derek Kelly

Richard Peter Glover

Richard I Kitney

Martin Rothman

Anthony Stenning

Timothy Spencer

Garvin David Wills

David Howard Arnold

David A Wicks

Anthony David Stenning

Stephen J Kingdon

This document relates to the apparatus and methods used in the minimally invasive creation of arteriovenous fistula (AVF). In particular, the invention relates to the creation of an AVF using catheters and an alignment methodology that is based upon detection of asymmetric electric fields. The invention finds particular application in vascular access (VA) in the hemodialysis (HD) population.

Method for the percutaneous creation of an arteriovenous fistula (AVF)

Aspects of the present invention relate to an apparatus for determining alignment between a source device and a target device. The apparatus comprises the source device, the target device, and a processing system. The source device comprises a first spatially variant field generator for generating a first spatially variant electric field, and a second spatially variant field generator for generating a second spatially variant electric field, wherein the second spatially variant electric field is angularly offset with respect to the first spatially variant electric field. The target device comprises at least one sensor configured to detect a first signal from the first spatially variant electric field and a second signal from the second spatially variant electric field. The processing system is configured to determine alignment between the first source device and the target device based on the first and second signals from the first and second spatially variant electric fields by the target device. The inventions further relate to the method of use of the apparatus and the processing system of the apparatus.

Apparatus for orientation display and alignment in percutaneous devices

A device includes a first end portion, a second end portion, an intermediate portion, and a graft material. The first end portion has a first end diameter. The second end portion has a second end diameter smaller than the first end diameter. The first end portion comprises a first material. The second end portion comprises a second material different than the first material. The intermediate portion is between the first end portion and the second end portion. The intermediate portion tapers between the first end portion and the second end portion. The graft material is coupled to at least the intermediate portion.

Methods for targeting a body passage to effect fluid flow

Apparatus and methods are described for performing percutaneous catheter-based interventional surgery. The apparatus comprises first and second devices that are located in adjacent body cavities, such as adjacent blood vessels, the first device being capable of transmitting a directional signal that can be received by the second device. The direction of the signal is correlated with the facility to direct therapy, such that improved accuracy in therapy placement is thereby achieved. Methods for treating patients utilising the means and apparatus are also provided.

Minimally invasive surgical apparatus and methods

A device includes a first end portion, a second end portion, an intermediate portion between the first end portion and the second end portion, and a graft material coupled to at least the intermediate portion. The first end portion has a first end diameter. The second end portion has a second end diameter larger than the first end diameter. The intermediate portion tapers between the first end portion and the second end portion. A method of diverting fluid flow from a first passage to a second passage comprising deploying the device in a third passage between the first passage and the second passage, expanding the first end portion against sidewalls of the first passage, and expanding the second end portion against sidewalls of the second passage.

Method for fluid flow through body passages

Devices for fluid flow through body passages

Methods for effecting retroperfusion in a body passage

Surgical system for the percutaneous creation of an arteriovenous fistula (AVF)

Methods for puncturing an expandable member to confirm advancement into a body passage

Apparatus and methods are described for performing percutaneous catheter-based interventional surgery. The apparatus comprises first and second devices that are located in adjacent body cavities, such as adjacent blood vessels, the first device being capable of transmitting a directional signal that can be received by the second device. The direction of the signal is correlated with the facility to direct therapy, such that improved accuracy in therapy placement is thereby achieved. Methods for treating patients utilizing the means and apparatus are also provided.

Devices for fluid flow through body vessels

Systems for providing or maintaining fluid flow through body passages

Methods for fluid flow through body passages

Growing community of inventors

London, United Kingdom

Robert Julian Dickinson