Patents by Inventor Greg Liu
Greg Liu 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: 20220354596Abstract: Described here are systems, devices, and methods useful for minimally invasive surgical procedures performed by a single operator. Methods of performing magnetic laparoscopic robotic surgery may comprise coupling an end effector to a support arm within a sterile field using an end effector connector, controlling the end effector within a body cavity of a patient, and decoupling the end effector from the support arm within the sterile field using the end effector connector. Coupling, controlling, and decoupling may all be capable of being performed by a single operator.Type: ApplicationFiled: March 22, 2022Publication date: November 10, 2022Inventors: Greg LIU, Alberto RODRIGUEZ-NAVARRO, David TRASK, Vicente OPASO-VALENZUELA
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Patent number: 11207073Abstract: Described here are closure devices and methods for ligating tissue, such as the left atrial appendage. The closure devices may comprise a snare loop assembly comprising a snare and a suture loop releasably attached thereto. The snare may be releasable from an elongate body of the closure device. In some instances, the closure device may comprise one or more markers to allow a user to determine whether the snare loop assembly is twisted.Type: GrantFiled: February 6, 2019Date of Patent: December 28, 2021Assignee: SentreHEART LLCInventors: Robert L. Clark, III, Gregory W. Fung, Russell Pong, Arnold M. Escano, Greg Liu
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Patent number: 10751531Abstract: A system and method for use in iontophoretic anesthesia of a tympanic membrane are disclosed. The system generally includes an earplug and an electrode device. The earplug includes at least one sealing member for sealing the earplug in an ear canal. The sealing member includes microholes which vent fluid above a certain pressure threshold. A headset may connect the earplug to a second earplug. The method involves using the system on a human or animal subject.Type: GrantFiled: April 23, 2018Date of Patent: August 25, 2020Assignee: TUSKER MEDICAL, INC.Inventors: John H. Morriss, Greg Liu, Rohit Girotra, Bernard H. Andreas, Scott J. Baron, Paul G. Hayter, Thomas R. Jenkins, Richard R. Newhauser, Jr., Jeffrey A. Walker
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Patent number: 10716709Abstract: A method is disclosed for clearing effusion from an ear. The method may include applying liquid to an ear canal, which is proximal to a perforated tympanic membrane, which is proximal to a middle ear containing effusion, applying an ear device to seal and pressurize the liquid inside the ear canal, the ear device regulating the amount of pressure inside the ear canal, and inducing a Eustachian tube, which is distal to the middle ear, to open, which causes the fluid to displace the effusion into the Eustachian tube.Type: GrantFiled: May 23, 2017Date of Patent: July 21, 2020Assignee: Acclarent, Inc.Inventors: John H. Morriss, Greg Liu, Rohit Girotra, Tom Thanh Vo, Richard R. Newhauser, Jr., Thomas R. Jenkins, Joshua Makower
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Publication number: 20200215323Abstract: A method of anesthetizing a tympanic membrane of an ear of a patient using iontophoresis is disclosed. The method involves delivering an anesthetizing drug solution to an ear canal of the patient's ear, wherein the drug solution includes an anesthetic and a buffer, and wherein the drug solution has a pH in the range of about 6.5 to about 7.5; and applying an amount of current to the drug solution, wherein the amount of applied current is increased at a rate of less than about 0.5 milliamp per second until a maximum current is achieved.Type: ApplicationFiled: February 24, 2020Publication date: July 9, 2020Applicant: Tusker Medical, Inc.Inventors: John H. MORRISS, Greg LIU, Kate HAMES
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Patent number: 10610412Abstract: Systems and methods are provided for automatically forming an incision in a tympanic membrane of an ear and placing a tympanic membrane pressure equalization tube into the incision. The systems include a housing with a shaft extending therefrom. A mechanism is disposed within the housing. A distal end of the shaft is placed against a tympanic membrane, and the mechanism is triggered to causes the tympanic membrane to be automatically incised and dilated and a tympanic membrane pressure equalization tube to be placed in the dilated incision.Type: GrantFiled: August 11, 2017Date of Patent: April 7, 2020Assignee: Tusker Medical, Inc.Inventors: Greg Liu, Rohit Girotra, John H. Morriss, Julia D. Vrany, Hung V. Ha, Bryan D. Knodel, Jeffrey A. Walker, Thomas D. Gross, Mathew D. Clopp, Bernard H. Andreas
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Patent number: 10576277Abstract: A method of anesthetizing a tympanic membrane of an ear of a patient using iontophoresis is disclosed. The method involves delivering an anesthetizing drug solution to an ear canal of the patient's ear, wherein the drug solution includes an anesthetic and a buffer, and wherein the drug solution has a pH in the range of about 6.5 to about 7.5; and applying an amount of current to the drug solution, wherein the amount of applied current is increased at a rate of less than about 0.5 milliamp per second until a maximum current is achieved.Type: GrantFiled: June 1, 2016Date of Patent: March 3, 2020Assignee: Tusker Medical, Inc.Inventors: John H. Morriss, Greg Liu, Kate Hames
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Publication number: 20190274690Abstract: Described here are closure devices and methods for ligating tissue, such as the left atrial appendage. The closure devices may comprise a snare loop assembly comprising a snare and a suture loop releasably attached thereto. The snare may be releasable from an elongate body of the closure device. In some instances, the closure device may comprise one or more markers to allow a user to determine whether the snare loop assembly is twisted.Type: ApplicationFiled: February 6, 2019Publication date: September 12, 2019Inventors: Robert L. CLARK, III, Gregory W. FUNG, Russell PONG, Arnold M. ESCANO, Greg LIU
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Patent number: 10258776Abstract: Systems and methods for treating target tissues within the ears are disclosed. Systems include a device including a cutting edge configured to form an incision in a tympanic membrane, a pressure equalization tube positionable within an interior space of the device in a compressed configuration and configured to expand into an expanded configuration when released from the interior space, and an elongate positioning element configured to release the pressure equalization tube from the interior space such that the pressure equalization tube is deployed in the incision formed in the tympanic membrane.Type: GrantFiled: June 25, 2018Date of Patent: April 16, 2019Assignee: Tusker Medical, Inc.Inventors: Anton G. Clifford, Greg Liu, John H. Morriss, Joshua Makower, William M. Facteau, Eric Goldfarb, John Y. Chang
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Patent number: 10251650Abstract: Described here are closure devices and methods for ligating tissue, such as the left atrial appendage. The closure devices may comprise a snare loop assembly comprising a snare and a suture loop releasably attached thereto. The snare may be releasable from an elongate body of the closure device. In some instances, the closure device may comprise one or more markers to allow a user to determine whether the snare loop assembly is twisted.Type: GrantFiled: July 6, 2016Date of Patent: April 9, 2019Assignee: SentreHEART, Inc.Inventors: Robert L. Clark, III, Gregory W. Fung, Russell Pong, Arnold M. Escano, Greg Liu
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Publication number: 20180304059Abstract: Systems and methods for treating target tissues within the ears are disclosed. Systems include a device including a cutting edge configured to form an incision in a tympanic membrane, a pressure equalization tube positionable within an interior space of the device in a compressed configuration and configured to expand into an expanded configuration when released from the interior space, and an elongate positioning element configured to release the pressure equalization tube from the interior space such that the pressure equalization tube is deployed in the incision formed in the tympanic membrane.Type: ApplicationFiled: June 25, 2018Publication date: October 25, 2018Applicant: Tusker Medical, Inc.Inventors: Anton G. CLIFFORD, Greg LIU, John H. MORRISS, Joshua MAKOWER, William M. FACTEAU, Eric GOLDFARB, John Y. CHANG
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Patent number: 9950157Abstract: A system and method for use in iontophoretic anesthesia of a tympanic membrane are disclosed. The system generally includes an earplug and an electrode device. The earplug includes at least one sealing member for sealing the earplug in an ear canal. The sealing member includes microholes which vent fluid above a certain pressure threshold. A headset may connect the earplug to a second earplug. The method involves using the system on a human or animal subject.Type: GrantFiled: August 21, 2014Date of Patent: April 24, 2018Assignee: Tusker Medical, Inc.Inventors: John H. Morriss, Greg Liu, Rohit Girotra, Bernard H. Andreas, Scott J. Baron, Paul G. Hayter, Thomas R. Jenkins, Richard R. Newhauser, Jr., Jeffrey A. Walker
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Publication number: 20180085563Abstract: Systems and methods for treating target tissues within the ears are disclosed. Systems include a tubular member defining a first lumen configured to deliver a solution containing a therapeutic agent into a space adjacent to a tympanic membrane in an ear canal; a support structure defining a second lumen separate from the first lumen; and an iontophoresis electrode disposed in the second lumen and configured to deliver a current to the solution to apply the therapeutic agent to the tympanic membrane.Type: ApplicationFiled: December 4, 2017Publication date: March 29, 2018Applicant: Tusker Medical, Inc.Inventors: Anton G. CLIFFORD, Greg LIU, John H. MORRISS, Joshua MAKOWER, William M. FACTEAU, Eric GOLDFARB, John Y. CHANG
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Publication number: 20180055693Abstract: Systems and methods are provided for automatically forming an incision in a tympanic membrane of an ear and placing a tympanic membrane pressure equalization tube into the incision. The systems include a housing with a shaft extending therefrom. A mechanism is disposed within the housing. A distal end of the shaft is placed against a tympanic membrane, and the mechanism is triggered to causes the tympanic membrane to be automatically incised and dilated and a tympanic membrane pressure equalization tube to be placed in the dilated incision.Type: ApplicationFiled: August 11, 2017Publication date: March 1, 2018Applicant: Tusker Medical, Inc.Inventors: Greg LIU, Rohit GIROTRA, John H. MORRISS, Julia D. VRANY, Hung V. HA, Bryan D. KNODEL, Jeffrey A. WALKER, Thomas D. GROSS, Mathew D. CLOPP, Bernard H. ANDREAS
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Patent number: 9833601Abstract: Systems and methods for treating a patient having a head with a first ear and a second ear, function by mounting a support structure to the head of the patient; aligning the support structure with a target tissue in an ear canal of the first ear; stabilizing the support structure relative to the target tissue by injecting a material into the canal and hardening the material; and actuating a device while the device is supported by the support structure so that the device therapeutically remodels the target tissue of the first ear.Type: GrantFiled: October 9, 2012Date of Patent: December 5, 2017Assignee: TUSKER MEDICAL, INC.Inventors: Anton G. Clifford, Greg Liu, John H. Morriss, Joshua Makower, William M. Facteau, Eric Goldfarb, John Y. Chang
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Publication number: 20170319389Abstract: A method is disclosed for clearing effusion from an ear. The method may include applying liquid to an ear canal, which is proximal to a perforated tympanic membrane, which is proximal to a middle ear containing effusion, applying an ear device to seal and pressurize the liquid inside the ear canal, the ear device regulating the amount of pressure inside the ear canal, and inducing a Eustachian tube, which is distal to the middle ear, to open, which causes the fluid to displace the effusion into the Eustachian tube.Type: ApplicationFiled: May 23, 2017Publication date: November 9, 2017Inventors: John H. Morriss, Greg Liu, Rohit Girotra, Tom Thanh Vo, Richard R. Newhauser, JR., Thomas R. Jenkins, Joshua Makower
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Patent number: 9770366Abstract: Systems and methods are provided for automatically forming an incision in a tympanic membrane of an ear and placing a tympanic membrane pressure equalization tube into the incision. The systems include a housing with a shaft extending therefrom. A mechanism is disposed within the housing. A distal end of the shaft is placed against a tympanic membrane, and the mechanism is triggered to causes the tympanic membrane to be automatically incised and dilated and a tympanic membrane pressure equalization tube to be placed in the dilated incision.Type: GrantFiled: December 15, 2014Date of Patent: September 26, 2017Assignee: Tusker Medical, Inc.Inventors: Greg Liu, Rohit Girotra, John H. Morriss, Julia D. Vrany, Hung V. Ha, Bryan D. Knodel, Jeffrey A. Walker, Thomas D. Gross, Matthew D. Clopp, Bernard H. Andreas
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Patent number: 9713710Abstract: A system and method for use in iontophoretic anesthesia of a tympanic membrane are disclosed. The system generally includes an earplug and an electrode device. The earplug includes at least one sealing member for sealing the earplug in an ear canal. The method involves using the system on a human or animal subject.Type: GrantFiled: March 13, 2013Date of Patent: July 25, 2017Assignee: Tusker Medical, Inc.Inventors: John H. Morriss, Greg Liu, Rohit Girotra, Bernard H. Andreas, Scott J. Baron, Paul G. Hayter, Thomas Jenkins, Richard R. Newhauser, Jr., Jeffrey A. Walker
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Patent number: 9681988Abstract: A method is disclosed for clearing effusion from an ear. The method may include applying liquid to an ear canal, which is proximal to a perforated tympanic membrane, which is proximal to a middle ear containing effusion, applying an ear device to seal and pressurize the liquid inside the ear canal, the ear device regulating the amount of pressure inside the ear canal, and inducing a Eustachian tube, which is distal to the middle ear, to open, which causes the fluid to displace the effusion into the Eustachian tube.Type: GrantFiled: May 27, 2015Date of Patent: June 20, 2017Assignee: Acclarent, Inc.Inventors: John H. Morriss, Greg Liu, Rohit Girotra, Tom Thanh Vo, Richard Roy Newhauser, Jr., Thomas R. Jenkins, Joshua Makower
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Patent number: D904740Type: GrantFiled: November 15, 2018Date of Patent: December 15, 2020Assignee: Ever Boots CorporationInventor: Greg Liu