Patents by Inventor Keith Milner
Keith Milner 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: 20230025713Abstract: Disclosed herein is a device for disrupting material in a body vessel and a method for making such a device. The device includes a plurality of arms disposed circumferentially about an axis. Each arm includes two blades; one sharper, and one blunter. The sharper blades are all oriented in the same direction, clockwise or counterclockwise, such that when the device is rotated in a first direction, the sharper blades engage the material, and in the other, the duller blades engage the material.Type: ApplicationFiled: October 3, 2022Publication date: January 26, 2023Inventors: Keith Milner, Joshua Krieger
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Patent number: 11490923Abstract: Disclosed herein is a device for disrupting material in a body vessel and a method for making such a device. The device includes a plurality of arms disposed circumferentially about an axis. Each arm includes two blades; one sharper, and one blunter. The sharper blades are all oriented in the same direction, clockwise or counterclockwise, such that when the device is rotated in a first direction, the sharper blades engage the material, and in the other, the duller blades engage the material.Type: GrantFiled: January 4, 2019Date of Patent: November 8, 2022Assignee: COOK MEDICAL TECHNOLOGIES LLCInventors: Keith Milner, Joshua Krieger
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Publication number: 20210308342Abstract: The present invention provides, in certain aspects, medical graft products that incorporate multiple drug depots in and/or on the products. One such product is a sheet graft construct, for example for tissue support that includes a sheet graft material with a plurality of drug depots. The drug depots can be hardened deposits formed directly onto the sheet graft material and/or can be capable of eluting a drug for a minimum of 72 hours.Type: ApplicationFiled: June 22, 2021Publication date: October 7, 2021Applicants: Cook Medical Technologies LLC, Cook Biotech IncorporatedInventors: Rhonda Peck, Bhavin B. Shah, Umesh H. Patel, Krista Gearhart, Steven Charlebois, Keith Milner, Eric J. Rodenberg
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Patent number: 11116881Abstract: Described are peritoneal dialysis systems and methods that involve the use of crossflow filtration of a used dialysate withdrawn from the peritoneal space of a patient. The filtration forms a retentate containing amounts of an osmotic agent and a permeate containing amounts of water and nitrogen-containing waste products of the patient. The retentate, or a fraction thereof, can be returned to the peritoneal space of the patient to return osmotic agent to the patient. The permeate, or a fraction thereof, can be discarded to discard nitrogen-containing waste products of the patient.Type: GrantFiled: May 26, 2017Date of Patent: September 14, 2021Assignee: COOK MEDICAL TECHNOLOGIES LLCInventors: Kalub Hahne, Keith Milner, Duane Blatter, Andrew Isch
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Patent number: 11065368Abstract: The present invention provides, in certain aspects, medical graft products that incorporate multiple drug depots in and/or on the products. One such product is a sheet graft construct, for example for tissue support that includes a sheet graft material with a plurality of drug depots. The drug depots can be hardened deposits formed directly onto the sheet graft material and/or can be capable of eluting a drug for a minimum of 72 hours.Type: GrantFiled: March 14, 2014Date of Patent: July 20, 2021Assignees: Cook Biotech Incorporated, Cook Medical Technologies LLCInventors: Rhonda Peck, Bhavin Shah, Umesh H. Patel, Krista Gearhart, Steven Charlebois, Keith Milner, Eric J. Rodenberg
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Patent number: 10420873Abstract: A device for forming a fistula between blood vessels includes a tubular body having a central lumen, a flange attached to the tubular body and projecting outwardly from an outer body surface, and one or more vanes projecting inwardly into the lumen so as to induce helical flow in blood passed through the lumen between first and second vessels joined via the fistula.Type: GrantFiled: March 25, 2015Date of Patent: September 24, 2019Assignee: Cook Medical Technologies LLCInventors: Adam Shields, Keith Milner
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Patent number: 10349975Abstract: A needle disclosed herein may include an elongate body extending between a proximal end and a distal end with a central longitudinal axis defined by the body, where the distal end includes a single sharp point along the central longitudinal axis and defining a distal end terminus three longitudinal fluted surfaces converging at the distal end terminus; and three longitudinal beveled cutting edges defining borders between the fluted surfaces and converging at the distal end terminus. Needle embodiments may include one or more ports open into and/or proximal of the fluted surfaces and communicating with one or more longitudinal needle lumens.Type: GrantFiled: March 9, 2016Date of Patent: July 16, 2019Assignee: Cook Medical Technologies LLCInventors: Kenneth A. Haselby, Sara M. Sherman, Charles Baxter, Richard Hadley, Keith Milner
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Publication number: 20190209231Abstract: A tissue ablation device is provided including an inflatable balloon with a cavity. The tissue ablation device further includes a catheter with a lumen in fluid communication with the cavity of the inflatable balloon. The lumen of the catheter is configured to deliver a fluid to the cavity thereby causing the inflatable balloon to inflate and expand. The device also includes a heating element connected to the balloon, wherein the heating element is further connected to an electrical source. The heating element is configured to receive an electrical current from the electrical source. Further, the heating element is configured to raise the temperature of the inflatable balloon and the fluid when an electrical current is passed through the heating element.Type: ApplicationFiled: April 11, 2017Publication date: July 11, 2019Applicant: Cook Medical Technologies LLCInventors: Andrew P. Isch, Richard B. Sisken, P.E., Keith Milner, Joseph M. Stewart, Elijah Huang, Elizabeth St. Clair, Erik Nevarez
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Publication number: 20190209195Abstract: Disclosed herein is a device for disrupting material in a body vessel and a method for making such a device. The device includes a plurality of arms disposed circumferentially about an axis. Each arm includes two blades; one sharper, and one blunter. The sharper blades are all oriented in the same direction, clockwise or counterclockwise, such that when the device is rotated in a first direction, the sharper blades engage the material, and in the other, the duller blades engage the material.Type: ApplicationFiled: January 4, 2019Publication date: July 11, 2019Inventors: Keith Milner, Joshua Krieger
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Patent number: 10321984Abstract: A cannula cut spiral flow inducing stent includes a plurality of spiral inducing flow diverters that each include a piece of sheet metal with a helically shaped flow surface. A proximal stent region, which includes a plurality of first struts, is joined to a proximal end of each of the spiral inducing flow diverters. A distal stent region, which includes a plurality of second struts, is joined to a distal end of each of the spiral inducing flow diverters. All of the first struts and all of the second struts share a cannula thickness, but the shaped pieces of sheet metal may have a lesser thickness.Type: GrantFiled: December 16, 2016Date of Patent: June 18, 2019Assignee: Cook Medical Technologies LLCInventors: Melissa Lonn, Adam Shields, Keith Milner, Seoggwan Kim
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Patent number: 10265200Abstract: The present embodiments provide an endoluminal prosthesis, such as a stent-graft, having a relatively low delivery profile. In one embodiment, the prosthesis comprises a membrane, and at least one stent having contracted and expanded states, where the stent is coupled to the membrane and maintains patency in the expanded state. The prosthesis further may comprise selectively oriented axial and/or circumferential fibers arranged at predetermined locations along the length and circumference of the prosthesis. An increased population density of the circumferential and/or axial fibers may be provided in areas in which the at least one stent portion is attached to the membrane, or in areas of higher physiological loads imposed upon the endoluminal prosthesis.Type: GrantFiled: August 10, 2010Date of Patent: April 23, 2019Assignee: COOK MEDICAL TECHNOLOGIES LLCInventors: Steven J. Charlebois, William Kurt Dierking, Matthew S. Huser, Keith Milner, Jichao Sun
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Publication number: 20190021886Abstract: Disclosed herein is a delivery system and method for delivering a plurality of separate intraluminal support devices with predictable spacing. The intraluminal support devices may be self-expanding devices mounted over an inflatable balloon of a balloon catheter and adhered thereto by an adhesive. The intraluminal support devices may optionally have a flattened tip region.Type: ApplicationFiled: July 12, 2018Publication date: January 24, 2019Inventors: Seoggwan Kim, Emma Moran, Richard A. Swift, Keith Milner
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Patent number: 10183152Abstract: Described are peritoneal catheter devices and methods for positioning these devices in a medical patient. The peritoneal catheter includes a catheter tube having a proximal end portion opposite a distal end portion, a stationary flange attached to the catheter tube near the distal end portion, and a mobile flange positioned on the catheter tube between the stationary flange and the proximal end portion. In use, the stationary flange is positioned to cover a hole in the rectus muscle and the mobile flange is selectively moved along the catheter tube to sandwich the rectus muscle of the patient between the stationary flange and the mobile flange. Optionally an interior cuff is mounted on the catheter tube adjacent to the stationary flange but between the stationary flange and the mobile flange and wherein the selectively positioning the mobile flange includes sandwiching the interior cuff between the stationary flange and the mobile flange.Type: GrantFiled: November 11, 2015Date of Patent: January 22, 2019Assignee: COOK MEDICAL TECHNOLOGIES LLCInventors: Kalub Hahne, Adam Shields, Keith Milner
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Patent number: 10076406Abstract: An endoluminal prosthesis for placement within a body vessel may include a tubular support structure including a proximal end segment, a distal end segment, an intermediate segment positioned between the proximal end segment and the distal end segment, a lumen extending longitudinally within the support structure, a luminal surface, and an abluminal surface opposite the luminal surface. The prosthesis may include a first layer of nonwoven electrospun fibers positioned on the luminal surface of the support structure. The prosthesis may include a second layer of nonwoven electrospun fibers positioned on the abluminal surface of the support structure. At least one of the proximal end segment or the distal end segment of the support structure may be encapsulated within a covering including the first layer of nonwoven electrospun fibers and the second layer of nonwoven electrospun fibers. The intermediate segment of the support structure may be unencapsulated within the covering.Type: GrantFiled: December 28, 2015Date of Patent: September 18, 2018Assignee: Cook Medical Technologies LLCInventors: Kevin Blum, Keith Milner, Sara Marie Sherman
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Patent number: 10039552Abstract: Magnetically actuated gating devices, magnetically actuated gating systems, magnetically actuated gating kits, and methods of treatment using a magnetically actuated gating device are described herein. An example embodiment of a magnetically actuated gating device comprises a housing, a rotatable member, a compression member, and a membrane. The rotatable member has a first magnetic field that is configured to interact with a second magnetic field produced by an external element to move the rotatable member between a first position and a second position.Type: GrantFiled: October 27, 2015Date of Patent: August 7, 2018Assignees: COOK MEDICAL TECHNOLOGIES LLC, COOK REGENTEC LLCInventors: Jarin Kratzberg, Keith Milner, Sara Sherman, Adam Shields
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Patent number: 10022252Abstract: A spiral blood flow device includes a stent made up of a plurality of expansion members joined to a plurality of axial members that permit the stent to change diameter among a continuum of expanded configurations. The axial members have fixed orientation, whereas the expansion members have a variable orientation relative to the longitudinal axis throughout the continuum of expanded configurations. A spiral flow inducing structure, which may include fins attached to the axial members, define a helical flow angle that remains constant throughout the continuum of expanded configurations.Type: GrantFiled: February 1, 2016Date of Patent: July 17, 2018Assignee: Cook Medical Technologies LLCInventors: Adam Shields, Keith Milner, Melissa Lonn
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Patent number: 9877742Abstract: A thrombectomy catheter includes a catheter body having first and second lumens formed therein, and a flow directing mechanism upon a distal body end forming a channel for conveying fluid between an outlet and an inlet fluidly connected with the first and second lumens. The channel axially and circumferentially advances about the catheter body, and is positioned between the outlet and inlet such that fluid conveyed by the channel enters a suction stream flowing to the inlet and entraining material of disrupted thrombus.Type: GrantFiled: August 7, 2014Date of Patent: January 30, 2018Assignee: Cook Medical Technologies LLCInventors: Keith Milner, Angela Barnett
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Publication number: 20170340794Abstract: Described are peritoneal dialysis systems and methods that involve the use of crossflow filtration of a used dialysate withdrawn from the peritoneal space of a patient. The filtration forms a retentate containing amounts of an osmotic agent and a permeate containing amounts of water and nitrogen-containing waste products of the patient. The retentate, or a fraction thereof, can be returned to the peritoneal space of the patient to return osmotic agent to the patient. The permeate, or a fraction thereof, can be discarded to discard nitrogen-containing waste products of the patient.Type: ApplicationFiled: May 26, 2017Publication date: November 30, 2017Inventors: Kalub Hahne, Keith Milner, Duane Blatter, Andrew Isch
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Publication number: 20170319818Abstract: The present disclosure provides for a fluid delivery device for a body vessel and a method of use. The fluid delivery device may have an elongate member having a proximal end extending along the longitudinal axis to a closed distal end. The elongate member may also have an inner wall defining a fluid delivery lumen and a wire guide lumen. The elongate member may have a tapered region and a distal portion between the proximal and distal ends. The device may have a first state for device delivery to the treatment site.Type: ApplicationFiled: May 4, 2017Publication date: November 9, 2017Inventors: Angela R. Dowell, Keith Milner
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Publication number: 20170239034Abstract: A cannula cut spiral flow inducing stent includes a plurality of spiral inducing flow diverters that each include a piece of sheet metal with a helically shaped flow surface. A proximal stent region, which includes a plurality of first struts, is joined to a proximal end of each of the spiral inducing flow diverters. A distal stent region, which includes a plurality of second struts, is joined to a distal end of each of the spiral inducing flow diverters. All of the first struts and all of the second struts share a cannula thickness, but the shaped pieces of sheet metal may have a lesser thickness.Type: ApplicationFiled: December 16, 2016Publication date: August 24, 2017Inventors: Melissa Lonn, Adam Shields, Keith Milner, Seoggwan Kim