Patents Assigned to TVA Medical, Inc.
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Patent number: 11026743Abstract: Described here are devices, systems, and methods for forming a fistula between two blood vessels. The systems may comprise a first catheter including a housing and an electrode having a proximal end and a distal end. The proximal end is fixed relative to the housing and the distal end is longitudinally slidable within the housing.Type: GrantFiled: January 15, 2017Date of Patent: June 8, 2021Assignee: TVA Medical, Inc.Inventors: Thomas D. Pate, Dana R. Mester, William E. Cohn, Philip M. Tetzlaff
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Publication number: 20210128228Abstract: 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: ApplicationFiled: November 18, 2020Publication date: May 6, 2021Applicant: 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
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Patent number: 10987106Abstract: A method of implanting and securing an implantable flow connector in a body of a patient for providing communication of a first space within the body of the patient with a second space within the body of the patient. The method includes providing a flow connector having a lumen having a first orifice and a second orifice, inserting a retention device into the first space within the body, subsequently inserting the flow connector through an opening in the retention device so the second portion of the flow connector extends into the first space within the body and placing the second space within the body over the retention device.Type: GrantFiled: February 6, 2016Date of Patent: April 27, 2021Assignee: TVA Medical, Inc.Inventors: Michael Paris, Adam Dakin, Todd Polk, Mahesh Krishnamoorthy, Jin Park, Michael Longo, Peter W. J. Hinchliffe
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Patent number: 10874422Abstract: Described here are devices, systems, and methods for improving blood flow in a vessel. Generally, the method may comprise advancing a catheter into a first vessel proximal to an occlusion in the first vessel and forming a fistula between the first vessel and a second vessel. This may deliver blood flow around an occlusion to ischemic tissues located in the peripheral vasculature.Type: GrantFiled: January 15, 2017Date of Patent: December 29, 2020Assignee: TVA Medical, Inc.Inventors: William E. Cohn, Thomas D. Pate, Philip M. Tetzlaff, David Gunther
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Patent number: 10869717Abstract: 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: GrantFiled: November 4, 2016Date of Patent: December 22, 2020Assignee: TVA MEDICAL, INC.Inventors: Jesus M. Rios, William E. Cohn, Dheeraj K. Rajan, Adam L. Berman, Dana R. Mester, Damian A. Jelich
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Patent number: 10821217Abstract: 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.Type: GrantFiled: March 14, 2014Date of Patent: November 3, 2020Assignee: TVA MEDICAL, INC.Inventor: Thomas Diffley Pate
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Publication number: 20200289149Abstract: Described here are devices, systems, and methods for improving blood flow in a vessel. Generally, the method may comprise advancing a catheter into a first vessel proximal to an occlusion in the first vessel and forming a fistula between the first vessel and a second vessel. This may deliver blood flow around an occlusion to ischemic tissues located in the peripheral vasculature.Type: ApplicationFiled: April 1, 2020Publication date: September 17, 2020Applicant: TVA Medical, Inc.Inventors: William E. Cohn, Thomas D. Pate, Philip M. Tetzlaff, David Gunther
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Publication number: 20200282128Abstract: 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.Type: ApplicationFiled: March 19, 2020Publication date: September 10, 2020Applicant: TVA Medical, Inc.Inventor: Thomas Diffley Pate
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Publication number: 20200230328Abstract: Described herein are cryolipolysis devices, systems, and methods for facilitating percutaneous access to a target blood vessel by performing cryolipolysis on subcutaneous adipose tissue obscuring the target blood vessel (e.g., a vessel used for hemodialysis treatment). Generally, the devices include a cooling member carrying a coolant that cools a selected portion of adipose tissue overlying the target blood vessel to reduce the selected portion of adipose tissue, thereby forming a depression in the adipose tissue and allowing the target blood vessel closer to the surface of the skin. In some variations, the cooling member is placed subcutaneously to directly cool the selected portion of adipose tissue. In other variations, the cooling member is placed external to the patient to indirectly cool the selected portion of adipose tissue through the skin.Type: ApplicationFiled: April 7, 2020Publication date: July 23, 2020Applicant: TVA Medical, Inc.Inventors: William E. Cohn, Thomas Diffley Pate, Adam L. Berman
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Patent number: 10695534Abstract: 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.Type: GrantFiled: March 13, 2015Date of Patent: June 30, 2020Assignee: TVA Medical, Inc.Inventor: Thomas Diffley Pate
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Publication number: 20200178970Abstract: Described here are devices and methods for treating hypertension by forming a fistula between two blood vessels to reduce blood pressure of a patient. The fistula may be formed using a catheter having an electrode that is placed in a first blood vessel. In some instances, a desired amount of blood pressure is determined. In other instances, the hypertension is drug resistant hypertension.Type: ApplicationFiled: February 14, 2020Publication date: June 11, 2020Applicant: TVA Medical, Inc.Inventors: Adam L. Berman, William E. Cohn, Dana R. Mester, Damian A. Jelich, Thomas D. Pate, Philip M. Tetzlaff
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Patent number: 10646666Abstract: Described herein are cryolipolysis devices, systems, and methods for facilitating percutaneous access to a target blood vessel by performing cryolipolysis on subcutaneous adipose tissue obscuring the target blood vessel (e.g., a vessel used for hemodialysis treatment). Generally, the devices include a cooling member carrying a coolant that cools a selected portion of adipose tissue overlying the target blood vessel to reduce the selected portion of adipose tissue, thereby forming a depression in the adipose tissue and allowing the target blood vessel closer to the surface of the skin. In some variations, the cooling member is placed subcutaneously to directly cool the selected portion of adipose tissue. In other variations, the cooling member is placed external to the patient to indirectly cool the selected portion of adipose tissue through the skin.Type: GrantFiled: August 27, 2015Date of Patent: May 12, 2020Assignee: TVA Medical, Inc.Inventors: William E. Cohn, Thomas Diffley Pate, Adam L. Berman
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Patent number: 10632293Abstract: A delivery system for delivering an implant to a first space within a body of a patient including an elongate delivery member having a proximal portion, a distal portion, a lumen and a receiving area, the receiving area dimensioned for receipt of the implant. A deforming member is movable with respect to the delivery member from a first position to a second position to apply a force to the implant to deform the implant positioned in the receiving area of the delivery member.Type: GrantFiled: March 19, 2016Date of Patent: April 28, 2020Assignee: TVA MEDICAL, INC.Inventors: Michael Paris, Adam Dakin, Todd Polk, Mahesh Krishnamoorthy, Stephen Paris
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Patent number: 10625052Abstract: 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.Type: GrantFiled: March 13, 2015Date of Patent: April 21, 2020Assignee: TVA MEDICAL, INC.Inventor: Thomas Diffley Pate
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Patent number: 10603040Abstract: Described here are devices and methods for treating hypertension by forming a fistula between two blood vessels to reduce blood pressure of a patient. The fistula may be formed using a catheter having an electrode that is placed in a first blood vessel. In some instances, a desired amount of blood pressure is determined. In other instances, the hypertension is drug resistant hypertension.Type: GrantFiled: February 9, 2016Date of Patent: March 31, 2020Assignee: TVA MEDICAL, INC.Inventors: Adam L. Berman, William E. Cohn, Dana R. Mester, Damian A. Jelich, Thomas D. Pate, Philip M. Tetzlaff
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Publication number: 20200086094Abstract: A delivery system for delivering an implant to a first space within a body of a patient including an elongate delivery member having a proximal portion, a distal portion, a lumen and a receiving area, the receiving area dimensioned for receipt of the implant. A deforming member is movable with respect to the delivery member from a first position to a second position to apply a force to the implant to deform the implant positioned in the receiving area of the delivery member.Type: ApplicationFiled: November 19, 2019Publication date: March 19, 2020Applicant: TVA Medical, Inc.Inventors: Michael Paris, Adam Dakin, JR., Todd Polk, Mahesh Krishnamoorthy, Stephen Paris
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Publication number: 20200061338Abstract: 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.Type: ApplicationFiled: October 29, 2019Publication date: February 27, 2020Applicant: TVA Medical, Inc.Inventor: Thomas Diffley Pate
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Publication number: 20190366062Abstract: A system for coupling a first space within a body of a patient with a second space within the body of the patient including a flow connector insertable into the first and second spaces within the body and having a conduit having a wall forming a lumen therein and first and second orifices. A first retention member is engageable with a first portion of the first space within the body and has a first opening, and the flow connector is positioned within the first opening. A second retention member is engageable with the second space within the body, the second retention member has a second opening and the flow connector is positioned within the second opening. The second retention member interlocks with the first retention member.Type: ApplicationFiled: August 16, 2019Publication date: December 5, 2019Applicant: TVA Medical, Inc.Inventors: Jin S. Park, Michael Paris, Hunter Valentine, Adam Dakin
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Patent number: 10434293Abstract: A system for coupling a first space within a body of a patient with a second space within the body of the patient including a flow connector insertable into the first and second spaces within the body and having a conduit having a wall forming a lumen therein and first and second orifices. A first retention member is engageable with a first portion of the first space within the body and has a first opening, and the flow connector is positioned within the first opening. A second retention member is engageable with the second space within the body, the second retention member has a second opening and the flow connector is positioned within the second opening. The second retention member interlocks with the first retention member.Type: GrantFiled: December 11, 2015Date of Patent: October 8, 2019Assignee: TVA Medical, Inc.Inventors: Jin S. Park, Michael Paris, Hunter Valentine, Adam Dakin
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Publication number: 20190274855Abstract: Described here are devices, systems, and methods for cannulating a vessel. Generally, the method may comprise advancing a stent into a first vessel and deploying the stent in the first vessel to hold open one or more valves. This may permit retrograde blood flow through the blood vessel in peripheral vasculature and aid in cannulation of the blood vessel.Type: ApplicationFiled: July 19, 2017Publication date: September 12, 2019Applicant: TVA Medical, Inc.Inventors: Thomas D. Pate, William E. Cohn