Patents Assigned to Access Technology Inc.
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Publication number: 20240149023Abstract: A catheter assembly configured for use with a medical device is provided herein. The catheter assembly can comprise a catheter hub having an interior chamber and a valve located in the interior chamber. The valve can comprise a distal portion, a proximal portion, and a sidewall extending therebetween to define a valve interior. The valve can include a barrier layer having a concave shape that extends in the valve interior from the sidewall at the distal portion. The barrier layer can have at least one slit extending therethrough that is in a normally closed configuration to prevent a fluid from passing through the barrier layer. The catheter assembly can further comprise a sealing ring located circumferentially at a distal end of the valve distally to the barrier layer. The sealing ring can form a seal between the valve and the interior chamber at the distal end.Type: ApplicationFiled: November 14, 2023Publication date: May 9, 2024Applicant: I-V Access Technology, Inc.Inventors: Thomas SUTTON, Joe RANALLETA, Nicholas Hogan MININNI, Kevin JOHNSON
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Patent number: 11890447Abstract: Valve assemblies having improved ability to selectively control flow of fluids through the catheter and prevent leakage of fluids from the proximal end of a catheter that is positioned within a patient. Such improved catheter valve assemblies also prevent leakage of fluids after repeated insertion and removal of medical instruments through the valve.Type: GrantFiled: March 23, 2022Date of Patent: February 6, 2024Assignee: I-V Access Technology, Inc.Inventors: Clint Solomon, Vincent Leskowich, Thomas Sutton, James Hale, Jacob Hentzler
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Publication number: 20240001083Abstract: A catheter assembly configured for use with a male luer is provided herein. The catheter assembly can comprise a catheter hub having an interior chamber and a valve located in the interior chamber. The valve can comprise a distal portion, a proximal portion, and a sidewall extending therebetween to define a valve interior. The valve can include a barrier layer having a concave shape that extends in the valve interior from the sidewall at the distal portion. The barrier layer can have at least one slit extending therethrough that is in a normally closed configuration to prevent a fluid from passing through the barrier layer. The catheter assembly can further comprise a sealing ring located circumferentially at a distal end of the valve distally to the barrier layer. The sealing ring can form a seal between the valve and the interior chamber at the distal end.Type: ApplicationFiled: August 29, 2022Publication date: January 4, 2024Applicant: I-V Access Technology, Inc.Inventors: Thomas SUTTON, Joe RANALLETA, Nicholas Hogan MININNI, Kevin JOHNSON
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Publication number: 20240001079Abstract: A catheter assembly configured for use with a male luer is provided herein. The catheter assembly can comprise a catheter hub having an interior chamber and a valve located in the interior chamber. The valve can comprise a distal portion, a proximal portion, and a sidewall extending therebetween to define a valve interior. The valve can include a barrier layer having a concave shape that extends in the valve interior from the sidewall at the distal portion. The barrier layer can have at least one slit extending therethrough that is in a normally closed configuration to prevent a fluid from passing through the barrier layer. The catheter assembly can further comprise a sealing ring located circumferentially at a distal end of the valve distally to the barrier layer. The sealing ring can form a seal between the valve and the interior chamber at the distal end.Type: ApplicationFiled: February 17, 2023Publication date: January 4, 2024Applicant: I-V Access Technology, Inc.Inventors: Thomas SUTTON, Joe RANALLETA, Nicholas Hogan MININNI, Kevin JOHNSON
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Patent number: 11701495Abstract: Methods and devices to facilitate positioning of a catheter into a vessel. Devices include axially concentric assemblies of a piercing needle and a dilator that guides an outer catheter into a vessel, such as a blood vessel. The assemblies described herein can include retraction mechanisms and/or lock mechanisms to control needle positioning during catheterization processes as well as improved valves that prevent leakage of fluid from the proximal end of the devices. The devices and method include the use of novel valves to prevent undesired leakage of fluids through the proximal end of the catheter.Type: GrantFiled: October 19, 2020Date of Patent: July 18, 2023Assignee: I-V Access Technology, Inc.Inventor: Clint Solomon
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Publication number: 20230166093Abstract: The invention is directed to methods and devices to facilitate positioning of a catheter into a vessel and selectively controlling flow of fluids through the catheter until desired using one or more valves.Type: ApplicationFiled: July 15, 2022Publication date: June 1, 2023Applicant: I-V Access Technology, Inc.Inventors: Clint SOLOMON, Danielle SEYBOLD, Jacob HENTZLER
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Patent number: 11654224Abstract: Methods, devices, and kits for implanting a vascular graft to perform hemodialysis treatments on patients with renal failure are disclosed. The kits can include access devices comprised of an access catheter having a guidewire lumen and stylet lumen, a guide tube having a curved distal end, a stylet, an actuator handle and a vascular graft. The methods describe techniques for using the described kits and devices for performing vascular procedures, such as percutaneous implantation of the vascular graft.Type: GrantFiled: December 27, 2017Date of Patent: May 23, 2023Assignee: Vascular Access Technologies, Inc.Inventor: Lakshmikumar Pillai
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Patent number: 11654266Abstract: The present invention relates to methods of transvascular retrograde access placement and to devices that facilitate these methods. For purposes of the present invention, transvascular retrograde access placement generally comprises the insertion of a vascular catheter into a central blood vessel through the puncturing of the central blood vessel from the inside of the central blood vessel with a needle or other similarly configured device, or a needle-tipped guidewire of the present invention, and exiting that needle from the patient through the skin rather than the traditional approach of inserting a needle from the outside of the skin surface to the inside of a blood vessel.Type: GrantFiled: August 30, 2019Date of Patent: May 23, 2023Assignee: Vascular Access Technologies, Inc.Inventor: Lakshmikumar Pillai
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Patent number: 11607525Abstract: A catheter assembly configured for use with a male luer is provided herein. The catheter assembly can comprise a catheter hub having an interior chamber and a valve located in the interior chamber. The valve can comprise a distal portion, a proximal portion, and a sidewall extending therebetween to define a valve interior. The valve can include a barrier layer having a concave shape that extends in the valve interior from the sidewall at the distal portion. The barrier layer can have at least one slit extending therethrough that is in a normally closed configuration to prevent a fluid from passing through the barrier layer. The catheter assembly can further comprise a sealing ring located circumferentially at a distal end of the valve distally to the barrier layer. The sealing ring can form a seal between the valve and the interior chamber at the distal end.Type: GrantFiled: July 13, 2022Date of Patent: March 21, 2023Assignee: I-V Access Technology, Inc.Inventors: Thomas Sutton, Joe Ranalleta, Nicholas Hogan Mininni, Kevin Johnson
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Patent number: 11554256Abstract: Methods and devices for trans-jugular carotid access are disclosed. Methods within the scope of this disclosure include methods of trans-jugular carotid access originating in the leg of a patient or other location remote to the jugular vein and carotid artery and methods originating at the neck of a patient. Devices used in connection with the disclosed methods may comprise access catheters, lumens, and stylets.Type: GrantFiled: April 13, 2020Date of Patent: January 17, 2023Assignee: Vascular Access Technologies, Inc.Inventor: Lakshmikumar Pillai
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Patent number: 11452858Abstract: The anti-back-flow devices and methods prevent fluid from leaking proximally from a catheter, but allow ready access to the catheter using any male luer device. The devices include proximal surfaces that urge open a valve in response to force from a male luer tip. The valves are associated a female luer hub and adapted to function with standard and typical non-standard male luer fittings.Type: GrantFiled: July 18, 2018Date of Patent: September 27, 2022Assignee: I-V Access Technology, Inc.Inventors: Stephen R. Keyser, Jessie Delgado, Theodore J. Mosler
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Publication number: 20220296859Abstract: Methods and devices to facilitate positioning of a catheter into a vessel. Devices include axially concentric assemblies of a piercing cannula, a shield and tubing such as a catheter where the shield can be passively or actively locked into position over the cannula tip to prevent inadvertent needle sticks.Type: ApplicationFiled: April 5, 2022Publication date: September 22, 2022Applicant: I-V Access Technology, Inc.Inventors: Thomas SUTTON, Jacob HENTZLER, James HALE, Vincent LESKOWICH
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Publication number: 20220280767Abstract: Valve assemblies having improved ability to selectively control flow of fluids through the catheter and prevent leakage of fluids from the proximal end of a catheter that is positioned within a patient. Such improved catheter valve assemblies also prevent leakage of fluids after repeated insertion and removal of medical instruments through the valve.Type: ApplicationFiled: March 23, 2022Publication date: September 8, 2022Applicant: I-V Access Technology, Inc.Inventors: Clint SOLOMON, Vincent LESKOWICH, Thomas SUTTON, James HALE, Jacob HENTZLER
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Patent number: 11420034Abstract: The invention is directed to methods and devices to facilitate positioning of a catheter into a vessel and selectively controlling flow of fluids through the catheter until desired using one or more valves.Type: GrantFiled: July 11, 2019Date of Patent: August 23, 2022Assignee: I-V Access Technology, Inc.Inventors: Clint Solomon, Danielle Seybold, Jacob Hentzler
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Patent number: 11376403Abstract: Various methods employing transvascular access devices are described, including a method of placing a central catheter in a peripheral vein in an arm of a patient; a method of providing percutaneous access to the heart of a patient; a method of clearing a clotted arteriovenous dialysis graft; a method of creating multiple access points into a single blood vessel; a method of creating an AV fistula in a patient; and a method of providing a bypass to a blockage in a popliteal artery in a patient.Type: GrantFiled: July 5, 2019Date of Patent: July 5, 2022Assignee: Vascular Access Technologies, Inc.Inventor: Lakshmikumar Pillai
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Patent number: 11324939Abstract: Valve assemblies having improved ability to selectively control flow of fluids through the catheter and prevent leakage of fluids from the proximal end of a catheter that is positioned within a patient. Such improved catheter valve assemblies also prevent leakage of fluids after repeated insertion and removal of medical instruments through the valve.Type: GrantFiled: May 4, 2021Date of Patent: May 10, 2022Assignee: I-V Access Technology, Inc.Inventors: Clint Solomon, Vincent Leskowich, Thomas Sutton, James Hale, Jacob Hentzler
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Patent number: 11318286Abstract: Methods and devices to facilitate positioning of a catheter into a vessel. Devices include axially concentric assemblies of a piercing cannula, a shield and tubing such as a catheter where the shield can be passively or actively locked into position over the cannula tip to prevent inadvertent needle sticks.Type: GrantFiled: March 22, 2021Date of Patent: May 3, 2022Assignee: I-V Access Technology, Inc.Inventors: Thomas Sutton, Jacob Hentzler, James Hale, Vincent Leskowich
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Publication number: 20220001146Abstract: A needle catheter insertion device that includes a catheter-dilator assembly with a needle therethrough, where the dilator and needle are moveable relative to each other such that the needle catheter insertion device can be moved from a ready position, with the tip of the needle exposed, to a shielded position with the dilator encasing the needle. Positioning of the needle catheter insertion device into the shielded position can be accomplished by a manual actuation of the dilator into a locked configuration within a hub of the needle.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Applicant: I-V Access Technology, Inc.Inventors: Jacob HENTZLER, James HALE
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Publication number: 20210290911Abstract: Methods and devices to facilitate positioning of a catheter into a vessel. Devices include axially concentric assemblies of a piercing cannula, a shield and tubing such as a catheter where the shield can be passively or actively locked into position over the cannula tip to prevent inadvertent needle sticks.Type: ApplicationFiled: March 22, 2021Publication date: September 23, 2021Applicant: I-V Access Technology, Inc.Inventors: Jacob HENTZLER, James HALE, Thomas SUTTON, Vincent LESKOWICH
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Publication number: 20210031009Abstract: Methods and devices to facilitate positioning of a catheter into a vessel. Devices include axially concentric assemblies of a piercing needle and a dilator that guides an outer catheter into a vessel, such as a blood vessel. The assemblies described herein can include retraction mechanisms and/or lock mechanisms to control needle positioning during catheterization processes as well as improved valves that prevent leakage of fluid from the proximal end of the devices. The devices and method include the use of novel valves to prevent undesired leakage of fluids through the proximal end of the catheter.Type: ApplicationFiled: October 19, 2020Publication date: February 4, 2021Applicant: I-V Access Technology, Inc.Inventor: Clint SOLOMON