Patents by Inventor Philip S. Levin
Philip S. Levin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240099739Abstract: In one aspect, the dual bevel needle can include a hollow tube having a proximal end, a distal end, a first lateral side, and a second lateral side opposite the first lateral side; a first needle point at the distal end of the hollow tube; a second point at the distal end of the hollow tube; a first bevel on each of the first lateral side and the second lateral side, the first bevel comprising a first bevel angle relative to a longitudinal axis of the tube; and a second bevel on each of the first lateral side and the second lateral side, the second bevel having a second bevel angle relative to the longitudinal axis of the tube, wherein the first and second bevels each form a portion of an ellipse, the ellipse having an inner cutting edge and terminating in the first and second needle points at the distal end of the tube, the second bevel angle being shallower than the first bevel angle, the second bevel being located adjacent the proximal end of the first bevel, and the inner cutting edge converging to a narrType: ApplicationFiled: October 20, 2023Publication date: March 28, 2024Inventors: Marvin A. Guiles, Denis Labombard, Charles Sidoti, Philip S. Levin, Thomas Swyst, Sameer Sabir
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Patent number: 11819235Abstract: In one aspect, the dual bevel needle can include a hollow tube having a proximal end, a distal end, a first lateral side, and a second lateral side opposite the first lateral side; a first needle point at the distal end of the hollow tube; a second point at the distal end of the hollow tube; a first bevel on each of the first lateral side and the second lateral side, the first bevel comprising a first bevel angle relative to a longitudinal axis of the tube; and a second bevel on each of the first lateral side and the second lateral side, the second bevel having a second bevel angle relative to the longitudinal axis of the tube, wherein the first and second bevels each form a portion of an ellipse, the ellipse having an inner cutting edge and terminating in the first and second needle points at the distal end of the tube, the second bevel angle being shallower than the first bevel angle, the second bevel being located adjacent the proximal end of the first bevel, and the inner cutting edge converging to a narrType: GrantFiled: October 28, 2019Date of Patent: November 21, 2023Assignee: Medline Industries, LPInventors: Marvin A. Guiles, Denis Labombard, Charles Sidoti, Philip S. Levin, Thomas Swyst, Sameer Sabir
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Publication number: 20230172649Abstract: A system for treatment target tissue comprises an ablation device and an energy delivery unit. The ablation device comprises an elongate tube with an expandable treatment element. The system delivers a thermal dose of energy to treat the target tissue. Methods of treating target tissue are also provided.Type: ApplicationFiled: July 14, 2022Publication date: June 8, 2023Applicant: Fractyl Health, Inc.Inventors: Philip S. Levin, Jay Caplan, Harith Rajagopalan, Mark A. Manasas, Andrew Coats, J. Christopher Flaherty
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Publication number: 20220354571Abstract: A device for expanding tissue comprises at least one fluid delivery tube and at least one fluid delivery element in fluid communication with the at least one fluid delivery tube. The at least one fluid delivery tube comprises a proximal end, a distal end, and a lumen therebetween. The device is constructed and arranged to perform a near full circumferential expansion of luminal wall tissue. Systems and methods are also provided, including a system for expanding tissue layers and treating tissue proximate to the expanded tissue layers.Type: ApplicationFiled: July 19, 2022Publication date: November 10, 2022Applicant: Fractyl Health, Inc.Inventors: Jay Caplan, Harith Rajagopalan, Mark A. Manasas, Christopher James Kadamus, Andrew Coats, Philip S. Levin, J. Christopher Flaherty
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Patent number: 11419659Abstract: A system for treatment target tissue comprises an ablation device and an energy delivery unit. The ablation device comprises an elongate tube with an expandable treatment element. The system delivers a thermal dose of energy to treat the target tissue. Methods of treating target tissue are also provided.Type: GrantFiled: June 11, 2019Date of Patent: August 23, 2022Assignee: Fractyl Health, Inc.Inventors: Philip S. Levin, Jay Caplan, Harith Rajagopalan, Mark A. Manasas, Andrew Coats, J. Christopher Flaherty
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Publication number: 20220054180Abstract: Systems, methods and devices for the treatment of tissue are disclosed. A system includes an elongate tube with a distal portion. A treatment element is positioned on the elongate tube distal portion, the treatment element constructed and arranged to treat target tissue. In one embodiment, gastrointestinal tissue is modified for the treatment of diabetes.Type: ApplicationFiled: April 5, 2021Publication date: February 24, 2022Applicant: Fractyl Laboratories, Inc.Inventors: Harith Rajagopalan, Jay Caplan, J. Christopher Flaherty, Philip S. Levin
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Publication number: 20220022932Abstract: A device for ablating target tissue of a patient with an ablative fluid is provided. An elongate shaft includes a proximal portion and a distal portion, and at least one fluid delivery element is attached to the distal portion. The device can be configured to ablate the duodenal mucosa of a patient while avoiding damage to the duodenal adventitial tissue. Systems and methods of treating target tissue are also provided.Type: ApplicationFiled: March 4, 2021Publication date: January 27, 2022Applicant: Fractyl Laboratories, Inc.Inventors: Jay Caplan, Philip S. Levin, Andrew Coats, Harith Rajagopalan, Mark A. Manasas, J. Christopher Flaherty
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Patent number: 10987149Abstract: Systems, methods and devices for the treatment of tissue are disclosed. A system includes an elongate tube with a distal portion. A treatment element is positioned on the elongate tube distal portion, the treatment element constructed and arranged to treat target tissue. In one embodiment, gastrointestinal tissue is modified for the treatment of diabetes.Type: GrantFiled: July 18, 2013Date of Patent: April 27, 2021Assignee: Fractyl Laboratories, Inc.Inventors: Harith Rajagopalan, Jay Caplan, J. Christopher Flaherty, Philip S. Levin
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Patent number: 10980590Abstract: Systems, methods and devices for the treatment of tissue are disclosed. A system includes an elongate tube with a distal portion. A treatment element is positioned on the elongate tube distal portion, the treatment element constructed and arranged to treat target tissue. In one embodiment, gastrointestinal tissue is modified for the treatment of diabetes.Type: GrantFiled: March 9, 2018Date of Patent: April 20, 2021Assignee: Fractyl Laboratories, Inc.Inventors: Harith Rajagopalan, Jay Caplan, J. Christopher Flaherty, Philip S. Levin
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Publication number: 20200138505Abstract: A system for treatment target tissue comprises an ablation device and an energy delivery unit. The ablation device comprises an elongate tube with an expandable treatment element. The system delivers a thermal dose of energy to treat the target tissue. Methods of treating target tissue are also provided.Type: ApplicationFiled: June 11, 2019Publication date: May 7, 2020Applicant: Fractyl Laboratories, Inc.Inventors: Philip S. Levin, Jay Caplan, Harith Rajagopalan, Mark A. Manasas, Andrew Coats, J. Christopher Flaherty
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Publication number: 20200060715Abstract: In one aspect, the dual bevel needle can include a hollow tube having a proximal end, a distal end, a first lateral side, and a second lateral side opposite the first lateral side; a first needle point at the distal end of the hollow tube; a second point at the distal end of the hollow tube; a first bevel on each of the first lateral side and the second lateral side, the first bevel comprising a first bevel angle relative to a longitudinal axis of the tube; and a second bevel on each of the first lateral side and the second lateral side, the second bevel having a second bevel angle relative to the longitudinal axis of the tube, wherein the first and second bevels each form a portion of an ellipse, the ellipse having an inner cutting edge and terminating in the first and second needle points at the distal end of the tube, the second bevel angle being shallower than the first bevel angle, the second bevel being located adjacent the proximal end of the first bevel, and the inner cutting edge converging to a narrType: ApplicationFiled: October 28, 2019Publication date: February 27, 2020Inventors: Marvin A. Guiles, Denis Labombard, Charles Sidoti, Philip S. Levin, Thomas Swyst, Sameer Sabir
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Patent number: 10478212Abstract: In one aspect, the dual bevel needle can include a hollow tube having a proximal end, a distal end, a first lateral side, and a second lateral side opposite the first lateral side; a first needle point at the distal end of the hollow tube; a second point at the distal end of the hollow tube; a first bevel on each of the first lateral side and the second lateral side, the first bevel comprising a first bevel angle relative to a longitudinal axis of the tube; and a second bevel on each of the first lateral side and the second lateral side, the second bevel having a second bevel angle relative to the longitudinal axis of the tube, wherein the first and second bevels each form a portion of an ellipse, the ellipse having an inner cutting edge and terminating in the first and second needle points at the distal end of the tube, the second bevel angle being shallower than the first bevel angle, the second bevel being located adjacent the proximal end of the first bevel, and the inner cutting edge converging to a narrType: GrantFiled: December 3, 2015Date of Patent: November 19, 2019Assignee: Medline Industries, Inc.Inventors: Marvin A. Guiles, Denis Labombard, Charles Sidoti, Philip S. Levin, Thomas Swyst, Sameer Sabir
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Publication number: 20180193078Abstract: Systems, methods and devices for the treatment of tissue are disclosed. A system includes an elongate tube with a distal portion. A treatment element is positioned on the elongate tube distal portion, the treatment element constructed and arranged to treat target tissue. In one embodiment, gastrointestinal tissue is modified for the treatment of diabetes.Type: ApplicationFiled: March 9, 2018Publication date: July 12, 2018Inventors: Harith Rajagopalan, Jay Caplan, J. Christopher Flaherty, Philip S. Levin
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Publication number: 20160354144Abstract: A system for treating a patient comprises an elongate shaft, an expandable reservoir and a fluid delivery assembly. The elongate shaft comprises a distal portion and is constructed and arranged to be introduced into a gastrointestinal lumen. The expandable reservoir is positioned on the elongate shaft distal portion and is constructed and arranged to receive a first fixed amount of ablative fluid and to deliver a first thermal dose of energy to a first portion of target tissue. The fluid delivery assembly is in fluid communication with the expandable reservoir and is constructed and arranged to deliver the first fixed amount of ablative fluid to the expandable reservoir. Devices and methods for treating tissue of a patient are also provided.Type: ApplicationFiled: September 12, 2014Publication date: December 8, 2016Inventors: Jay CAPLAN, Philip S. LEVIN, R. Maxwell FLAHERTY, J. Christopher FLAHERTY
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Publication number: 20150045825Abstract: A device for expanding tissue comprises at least one fluid delivery tube and at least one fluid delivery element in fluid communication with the at least one fluid delivery tube. The at least one fluid delivery tube comprises a proximal end, a distal end, and a lumen therebetween. The device is constructed and arranged to perform a near full circumferential expansion of luminal wall tissue. Systems and methods are also provided, including a system for expanding tissue layers and treating tissue proximate to the expanded tissue layers.Type: ApplicationFiled: October 15, 2014Publication date: February 12, 2015Applicant: Fractyl Laboratories, Inc.Inventors: Jay Caplan, Harith Rajagopalan, Mark A. Manasas, Christopher James Kadamus, Andrew Coats, Philip S. Levin, J. Christopher Flaherty
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Patent number: 6241703Abstract: An ultrasound transmission device for utilizing ultrasound energy ultrasound to treat intravascular conditions, such as stenotic and occluded regions of blood vessels, is provided. The ultrasonic transmission device includes a transmission member connectable to the ultrasound energy source on a one end and a tip on the other end. The tip includes a distal section, a proximal section and an intermediate section. The proximal section has a first diameter larger than the transmission member diameter. The intermediate section includes a decreasing step portion, a narrowed portion, and an increasing step portion.Type: GrantFiled: May 27, 1999Date of Patent: June 5, 2001Assignee: Angiosonics Inc.Inventors: Philip S. Levin, Jon Saltonstall, Loi Nguyen, Warren Taylor
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Patent number: 6123698Abstract: The present invention includes a fluid delivery device capable of delivering perfusion or other fluids to a vascular site. Preferred embodiments permit delivery of large quantities of fluid without causing recoil of the device, and without causing trauma to the vascular site.Type: GrantFiled: May 14, 1999Date of Patent: September 26, 2000Assignees: Therox, Inc., Wayne State UniversityInventors: J. Richard Spears, Philip S. Levin, Paul J. Zalesky, Vincent Divino, Jr.
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Patent number: 5976119Abstract: The present invention includes a guidewire device capable of delivering perfusion fluids to a vascular site while at the same time exhibiting handling characteristics associated with existing non-perfusion guidewires. Preferred embodiments include a perfusion guidewire which closely matches the dimensions and physical characteristics of standard guidewires. Preferred embodiments also permit high pressure perfusion of supersaturated solutions, and include a liquid flow path which will not promote bubble generation or growth, or destabilize a supersaturated solution.Type: GrantFiled: August 21, 1998Date of Patent: November 2, 1999Assignees: Wayne State University, TherOx, Inc.Inventors: J. Richard Spears, Philip S. Levin, Paul J. Zalesky
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Patent number: 5971949Abstract: An ultrasonic treatment system and method for utilizing ultrasound to treat intravascular conditions, such as stenotic and occluded regions of blood vessels, are provided. The ultrasonic treatment system includes an ultrasonic probe, having a proximal and distal end. A guide catheter and guidewire may also be provided and the probe can be slidably disposed within the guide catheter's inner lumen. The probe can include a horn at the proximal end, a transmission member with a proximal and a distal end connected to the horn at the transmission member proximal end, and a distal tip connected at the transmission member's distal end. The transmission member may include one or more transmission wires, having proximal and distal ends, connected serially or in parallel.Type: GrantFiled: May 19, 1997Date of Patent: October 26, 1999Assignee: Angiosonics Inc.Inventors: Philip S. Levin, Jon Saltonstall, Loi Nguyen, Uri Rosenschein
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Patent number: 5957899Abstract: The present invention includes a fluid delivery device capable of delivering perfusion or other fluids to a vascular site. Preferred embodiments permit delivery of large quantities of fluid without causing recoil of the device, and without causing trauma to the vascular site.Type: GrantFiled: June 24, 1996Date of Patent: September 28, 1999Assignee: TherOx, Inc.Inventors: J. Richard Spears, Philip S. Levin, Paul J. Zalesky, Vincent Divino, Jr.