Patents by Inventor Kevin Hufford
Kevin Hufford 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: 20240091942Abstract: A system and method fort determining the relative positions of robotic manipulators makes use of a camera positioned in an operating room so as to capture images or portions of first and second robotic manipulators that are positioned outside a patient body cavity. The camera captures images of first and second robotic manipulators, the images are analyzed in real time to determine a relative distance between the first robotic manipulator and the second robotic manipulator. The system determines whether the relative distance is below a predetermined threshold, and, if it is, initiates a collision avoidance measure.Type: ApplicationFiled: September 1, 2023Publication date: March 21, 2024Inventors: Kevin Hufford, Lior Alpert
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Patent number: 11324918Abstract: A multi-lumen catheter includes a primary lumen having a proximal end and a tip and a secondary lumen parallel to the primary lumen. The primary lumen and the secondary lumen share a wall. A port is defined in the wall proximate the tip of the primary lumen and provides fluidic communication between the primary lumen and the secondary lumen.Type: GrantFiled: April 11, 2018Date of Patent: May 10, 2022Assignee: THE CHARLES STARK DRAPER LABORATORY, INC.Inventors: Joseph L. Charest, James Hsiao, Christopher DiBiasio, Kevin A. Hufford
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Patent number: 10661050Abstract: A catheter includes an elongated tube having a distal end and a proximal end. The elongated tube includes porous material having an interior and an exterior face. The interior face defines a lumen along a central axis of the elongated tube. The porous material is configured to flow a fluid between the interior face and the exterior face and to seep the fluid out of the porous material through the exterior face and interior face. A lining covers at least a portion of the exterior face and substantially limits perfusion through the exterior face at the portion of the exterior face covered by the lining. The catheter is impregnated with a material that prevents buildup of material on one of an inner face or an outer face of the catheter or the lining is coated with one or more of an anticoagulant, antibiotic, or antithrombotic.Type: GrantFiled: April 11, 2018Date of Patent: May 26, 2020Assignee: THE CHARLES STARK DRAPER LABORATORY, INC.Inventors: Joseph L. Charest, James Hsiao, Christopher DiBiasio, Kevin A. Hufford
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Patent number: 10207227Abstract: An compact hydraulic manifold for transporting shear sensitive fluids is provided. A channel network can include a trunk and branch architecture coupled to a bifurcation architecture. Features such as tapered channel walls, curvatures and angles of channels, and zones of low fluid pressure can be used to reduce the size while maintaining wall shear rates within a narrow range. A hydraulic manifold can be coupled to a series of microfluidic layers to construct a compact microfluidic device.Type: GrantFiled: May 22, 2017Date of Patent: February 19, 2019Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Christopher DiBiasio, Joseph L. Charest, Jeffrey T. Borenstein, Ernest S. Kim, Daniel I. Harjes, Kevin Hufford
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Publication number: 20180229001Abstract: A multi-lumen catheter includes a primary lumen having a proximal end and a tip and a secondary lumen parallel to the primary lumen. The primary lumen and the secondary lumen share a wall. A port is defined in the wall proximate the tip of the primary lumen and provides fluidic communication between the primary lumen and the secondary lumen.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Inventors: Joseph L. Charest, James Hsiao, Christopher DiBiasio, Kevin A. Hufford
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Publication number: 20180229002Abstract: A catheter includes an elongated tube having a distal end and a proximal end. The elongated tube includes porous material having an interior and an exterior face. The interior face defines a lumen along a central axis of the elongated tube. The porous material is configured to flow a fluid between the interior face and the exterior face and to seep the fluid out of the porous material through the exterior face and interior face. A lining covers at least a portion of the exterior face and substantially limits perfusion through the exterior face at the portion of the exterior face covered by the lining. The catheter is impregnated with a material that prevents buildup of material on one of an inner face or an outer face of the catheter or the lining is coated with one or more of an anticoagulant, antibiotic, or antithrombotic.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Inventors: Joseph L. Charest, James Hsiao, Christopher DiBiasio, Kevin A. Hufford
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Patent number: 9962519Abstract: The device and methods described herein relate to a seeping flow catheter. The seeping flow catheter includes a porous material. The inner face of the porous material defines the lumen of the catheter. The porous material is configured such that fluid can flow along the length of the catheter, between the inner face and outer face of the porous material. As the fluid flows through the porous material, the fluid can seep into the lumen of the catheter through the inner face or out of the catheter through the outer face of the porous material. Portions of the inner or outer face can include a lining that substantial reduces the perfusion of the fluid through the lined areas.Type: GrantFiled: January 13, 2015Date of Patent: May 8, 2018Assignee: THE CHARLES STARK DRAPER LABORATORY, INC.Inventors: Joseph L. Charest, James Hsiao, Christopher DiBiasio, Kevin A. Hufford
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Patent number: 9782292Abstract: The present disclosure describes a catheter guide tool. More particularly, the catheter guide tool is a bi-stable device used for the insertion and advancement of a catheter. The catheter guide tool includes a gimbal. A guide axis runs through the gimbal. A catheter advancement mechanism is coupled to the gimbal and configured to advance the catheter along the guide axis. The guide tool also includes a pivot assembly coupling the gimbal to a support platform. The pivot assembly is configured to pivot the guide axis from a first position perpendicular to a target surface to a second position tangential to the target surface along a single primary plane of rotation of the gimbal.Type: GrantFiled: December 8, 2014Date of Patent: October 10, 2017Assignee: THE CHARLES STARK DRAPER LABORATORY, INC.Inventors: Kevin Hufford, Christopher V. Trainor
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Publication number: 20170252702Abstract: An compact hydraulic manifold for transporting shear sensitive fluids is provided. A channel network can include a trunk and branch architecture coupled to a bifurcation architecture. Features such as tapered channel walls, curvatures and angles of channels, and zones of low fluid pressure can be used to reduce the size while maintaining wall shear rates within a narrow range. A hydraulic manifold can be coupled to a series of microfluidic layers to construct a compact microfluidic device.Type: ApplicationFiled: May 22, 2017Publication date: September 7, 2017Inventors: Christopher DiBiasio, Joseph L. Charest, Jeffrey T. Borenstein, Ernest S. Kim, Daniel I. Harjes, Kevin Hufford
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Patent number: 9656212Abstract: An compact hydraulic manifold for transporting shear sensitive fluids is provided. A channel network can include a trunk and branch architecture coupled to a bifurcation architecture. Features such as tapered channel walls, curvatures and angles of channels, and zones of low fluid pressure can be used to reduce the size while maintaining wall shear rates within a narrow range. A hydraulic manifold can be coupled to a series of microfluidic layers to construct a compact microfluidic device.Type: GrantFiled: January 8, 2013Date of Patent: May 23, 2017Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Christopher DiBiasio, Joseph L. Charest, Jeffrey T. Borenstein, Ernest S. Kim, Daniel I. Harjes, Kevin Hufford
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Patent number: 9629650Abstract: A laparoscopy tool includes a sheath and a control wire slideably disposed within a lumen of the sheath. The sheath has a diameter of less than 1.6 mm and is introduced through an abdominal incision. A handle axially displaces the control wire within the lumen and operates a conventional tip with wire-controlled opposing jaws that is introduced through the umbilicus and has a bore formed in its trailing end. A first set of blades in the bore engage grooves formed in the leading end of the control wire and a second set of blades engages the sheath to prevent sheath retraction. A cam displaces the second set of blades away from the sheath for sheath introduction and removal, and toward the sheath to prevent sheath retraction. The tip is removed through the umbilicus and the tool is removed through the abdominal incision when the surgery is completed.Type: GrantFiled: October 2, 2015Date of Patent: April 25, 2017Assignees: University of South Florida, The Charles Stark Draper Laboratory, Inc.Inventors: Stuart Richard Hart, Mario Alves Simoes, Philip James Hipol, Kevin Hufford
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Publication number: 20170100564Abstract: The device and methods described herein relate to a seeping flow catheter. The seeping flow catheter includes a porous material. The inner face of the porous material defines the lumen of the catheter. The porous material is configured such that fluid can flow along the length of the catheter, between the inner face and outer face of the porous material. As the fluid flows through the porous material, the fluid can seep into the lumen of the catheter through the inner face or out of the catheter through the outer face of the porous material. Portions of the inner or outer face can include a lining that substantial reduces the perfusion of the fluid through the lined areas.Type: ApplicationFiled: January 13, 2015Publication date: April 13, 2017Inventors: Joseph L. Charest, James Hsiao, Christopher DiBiasio, Kevin A. Hufford
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Publication number: 20160022304Abstract: A laparoscopy tool includes a sheath and a control wire slideably disposed within a lumen of the sheath. The sheath has a diameter of less than 1.6 mm and is introduced through an abdominal incision. A handle axially displaces the control wire within the lumen and operates a conventional tip with wire-controlled opposing jaws that is introduced through the umbilicus and has a bore formed in its trailing end. A first set of blades in the bore engage grooves formed in the leading end of the control wire and a second set of blades engages the sheath to prevent sheath retraction. A cam displaces the second set of blades away from the sheath for sheath introduction and removal, and toward the sheath to prevent sheath retraction. The tip is removed through the umbilicus and the tool is removed through the abdominal incision when the surgery is completed.Type: ApplicationFiled: October 2, 2015Publication date: January 28, 2016Inventors: Stuart Richard Hart, Mario Alves Simoes, Philip James Hipol, Kevin Hufford
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Patent number: 9186167Abstract: A laparoscopy tool includes a sheath and a control wire slideably disposed within a lumen of the sheath. The sheath has a diameter of less than 1.6 mm and is introduced through an abdominal incision. A handle axially displaces the control wire within the lumen and operates a conventional tip with wire-controlled opposing jaws that is introduced through the umbilicus and has a bore formed in its trailing end. A first set of blades in the bore engage grooves formed in the leading end of the control wire and a second set of blades engages the sheath to prevent sheath retraction. A cam displaces the second set of blades away from the sheath for sheath introduction and removal, and toward the sheath to prevent sheath retraction. The tip is removed through the umbilicus and the tool is removed through the abdominal incision when the surgery is completed.Type: GrantFiled: October 14, 2013Date of Patent: November 17, 2015Assignees: University of South Florida, The Charles Stark Draper Laboratory, Inc.Inventors: Stuart Richard Hart, Mario A. Simoes, Philip James Hipol, Kevin Hufford
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Publication number: 20150157497Abstract: The present disclosure describes a catheter guide tool. More particularly, the catheter guide tool is a bi-stable device used for the insertion and advancement of a catheter. The catheter guide tool includes a gimbal. A guide axis runs through the gimbal. A catheter advancement mechanism is coupled to the gimbal and configured to advance the catheter along the guide axis. The guide tool also includes a pivot assembly coupling the gimbal to a support platform. The pivot assembly is configured to pivot the guide axis from a first position perpendicular to a target surface to a second position tangential to the target surface along a single primary plane of rotation of the gimbal.Type: ApplicationFiled: December 8, 2014Publication date: June 11, 2015Inventors: Kevin Hufford, Christopher V. Trainor
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METHOD OF TISSUE SEPARATION USING FLUIDIC PULSES TO MINIMIZE TISSUE TRAUMA DURING CATHETER INSERTION
Publication number: 20140206940Abstract: The method and system disclosed herein uses a pulsatile, dilatory bubble at the tip of a catheter to facilitate tissue separation and ease catheter insertion for, among other applications, delivery of therapeutics to the posterior of the eye while reducing procedure-related trauma. In some implementations, the method is extended to other dilatory and catheter-insertion applications elsewhere in the body. In brief, the disclosure discusses iteratively injecting liquid through a catheter to form a bubble near the distal tip of the catheter. The liquid is withdrawn to create a void, and the catheter is advanced into the void. The process is repeated until the distal tip of the catheter reaches the target location.Type: ApplicationFiled: January 24, 2014Publication date: July 24, 2014Applicant: The Charles Stark Draper Laboratory, Inc.Inventor: Kevin A. Hufford -
Publication number: 20140190884Abstract: An compact hydraulic manifold for transporting shear sensitive fluids is provided. A channel network can include a trunk and branch architecture coupled to a bifurcation architecture. Features such as tapered channel walls, curvatures and angles of channels, and zones of low fluid pressure can be used to reduce the size while maintaining wall shear rates within a narrow range. A hydraulic manifold can be coupled to a series of microfluidic layers to construct a compact microfluidic device.Type: ApplicationFiled: January 8, 2013Publication date: July 10, 2014Applicant: The Charles Stark Draper LaboratoryInventors: Christopher DiBiasio, Joseph L. Charest, Jeffrey T. Borenstein, Ernest S. Kim, Daniel I. Harjes, Kevin Hufford
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Publication number: 20140074135Abstract: A laparoscopy tool includes a sheath and a control wire slideably disposed within a lumen of the sheath. The sheath has a diameter of less than 1.6 mm and is introduced through an abdominal incision. A handle axially displaces the control wire within the lumen and operates a conventional tip with wire-controlled opposing jaws that is introduced through the umbilicus and has a bore formed in its trailing end. A first set of blades in the bore engage grooves formed in the leading end of the control wire and a second set of blades engages the sheath to prevent sheath retraction. A cam displaces the second set of blades away from the sheath for sheath introduction and removal, and toward the sheath to prevent sheath retraction. The tip is removed through the umbilicus and the tool is removed through the abdominal incision when the surgery is completed.Type: ApplicationFiled: October 14, 2013Publication date: March 13, 2014Applicants: The Charles Stark Draper Laboratory, Inc., University of South FloridaInventors: Stuart Richard Hart, Mario A. Simoes, Philip James Hipol, Kevin Hufford
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Publication number: 20140073992Abstract: Apparatuses and methods are disclosed herein for extracting bodily fluids. The apparatus consists of a housing, a releasable lancet stored in the housing, an inlet flow channel formed in the housing, a mechanically powered vacuum generator, and a storage area formed in the housing. The releasable lancet is released to pierce the skin of the subject to allow fluid to be extracted from the subject. The vacuum generator generates a partial vacuum within the inlet flow channel. After the lancet has pierced the skin of the subject, the partial vacuum draws fluid from the subject and into the inlet flow channel. The storage area is in fluid connection with the inlet flow channel, and receives the fluid drawn from the subject from the inlet flow channel.Type: ApplicationFiled: September 12, 2012Publication date: March 13, 2014Inventors: Kevin A. Hufford, Hoi-Cheong S. Sun
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Patent number: 8321075Abstract: Biodynamic feedthrough in a master control system can be mitigated. An accelerometer is used to measure the acceleration of an environment. In one embodiment, mitigation damping forces can then be determined based on the velocity of an effector of a haptic manipulator and the measured accelerations. The haptic manipulator applies the mitigation damping forces as force feedback. In another embodiment, biodynamic feedthrough can be filtered from the input signal. Parameters for a model can be accessed based on the position of the effector, and the model can be used to predict biodynamic feedthrough from the measured accelerations.Type: GrantFiled: February 24, 2009Date of Patent: November 27, 2012Assignee: SRI InternationalInventors: Thomas Low, Kevin Hufford