Abstract: Described here are devices, systems and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter which may comprise a fistula-forming element. The fistula-forming element may comprise one or more electrodes, mechanical cutting elements, laser sources, or combinations thereof, and may be used to assist in fistula formation. In some instances, a system may comprise a second catheter, which may comprise a fistula-forming element. One or more of the catheters may comprise one or more markers, magnetic alignment elements, and/or one shape-changing elements.
Type:
Application
Filed:
August 7, 2018
Publication date:
December 6, 2018
Applicant:
TVA Medical, Inc.
Inventors:
Gary H. Miller, Adam L. Berman, William E. Cohn, Dana R. Mester, Damian A. Jelich
Abstract: Described here are devices, systems and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter which may comprise a fistula-forming element. The fistula-forming element may comprise one or more electrodes, mechanical cutting elements, laser sources, or combinations thereof, and may be used to assist in fistula formation. In some instances, a system may comprise a second catheter, which may comprise a fistula-forming element. One or more of the catheters may comprise one or more markers, magnetic alignment elements, and/or one shape-changing elements.
Type:
Grant
Filed:
April 27, 2015
Date of Patent:
August 14, 2018
Assignee:
TVA Medical, Inc.
Inventors:
Gary H. Miller, Adam L. Berman, William E. Cohn, Dana R. Mester, Damian A. Jelich
Abstract: Described here are devices and methods for forming a fistula between two vessels. In some instances, the fistula may be formed between a proximal ulnar artery and a deep ulnar vein. The fistula may be formed using an electrode, and may be formed with a first catheter placed in a first blood vessel and a second catheter placed in a second blood vessel. In some instances, access to the proximal ulnar artery may be achieved through a brachial artery, and access to the deep ulnar vein may be achieved through a brachial vein.
Type:
Grant
Filed:
October 11, 2013
Date of Patent:
November 8, 2016
Assignee:
TVA Medical, Inc.
Inventors:
Jesus M. Rios, William E. Cohn, Dheeraj K. Rajan, Adam L. Berman, Dana R. Mester, Damian A. Jelich
Abstract: Described here are devices, systems, and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter and a second catheter, which may comprise one or more fistula-forming elements. The first and second catheters may comprise one or more magnets, which may be used to assist in bringing the first and catheters in closer proximity to facilitate fistula formation. In some variations, the magnet may have a plurality of magnetic domains each characterized by a magnetic flux vector, with the magnetic flux vectors of the magnet passing through a common magnetic origin.
Abstract: Described here are devices, systems and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter which may comprise a fistula-forming element. The fistula-forming element may comprise one or more electrodes, mechanical cutting elements, laser sources, or combinations thereof, and may be used to assist in fistula formation. In some instances, a system may comprise a second catheter, which may comprise a fistula-forming element. One or more of the catheters may comprise one or more markers, magnetic alignment elements, and/or one shape-changing elements.
Type:
Grant
Filed:
November 21, 2014
Date of Patent:
May 26, 2015
Assignee:
TVA Medical, Inc.
Inventors:
Gary H. Miller, Adam L. Berman, William E. Cohn, Dana R. Mester, Damian A. Jelich
Abstract: Described here are devices, systems and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter which may comprise a fistula-forming element. The fistula-forming element may comprise one or more electrodes, mechanical cutting elements, laser sources, or combinations thereof, and may be used to assist in fistula formation. In some instances, a system may comprise a second catheter, which may comprise a fistula-forming element. One or more of the catheters may comprise one or more markers, magnetic alignment elements, and/or one shape-changing elements.
Type:
Grant
Filed:
November 16, 2011
Date of Patent:
April 28, 2015
Assignee:
TVA Medical, Inc.
Inventors:
Gary H. Miller, Adam L. Berman, William E. Cohn, Dana R. Mester, Damian A. Jelich
Abstract: Described here are devices, systems, and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter and a second catheter, which may comprise one or more fistula-forming elements. The first and second catheters may comprise one or more magnetic elements, which may be used to assist in bringing the first and catheters in closer proximity to facilitate fistula formation. In some variations, the magnetic elements may have magnetization patterns such that the flux generated by the magnetic elements is locally concentrated. In some instances, the system may comprise a magnetic control device, which may comprise a magnet, and may be used to increase or create an attractive force between the first and second catheters.
Abstract: Described here are devices and methods for forming a fistula between two vessels. In some instances, the fistula may be formed between a proximal ulnar artery and a deep ulnar vein. The fistula may be formed using an electrode, and may be formed with a first catheter placed in a first blood vessel and a second catheter placed in a second blood vessel. In some instances, access to the proximal ulnar artery may be achieved through a brachial artery, and access to the deep ulnar vein may be achieved through a brachial vein.
Type:
Application
Filed:
October 11, 2013
Publication date:
April 17, 2014
Applicant:
TVA Medical, Inc.
Inventors:
Jesus M. RIOS, William E. COHN, Dheeraj K. RAJAN, Adam L. BERMAN, Dana R. MESTER, Damian A. JELICH, Andrew FRAZIER, James E. DEATON, Lynn Warren HAMRICK